CN105129902B - Compound mineral material for disposing landfill leachate as well as preparation method and application thereof - Google Patents
Compound mineral material for disposing landfill leachate as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a compound mineral material for disposing landfill leachate as well as a preparation method and application thereof, belonging to the technical field of sewage disposal. The compound mineral material is prepared from the following materials by weight percent: 25 to 35 percent of modified epidesmine, 25 to 35 percent of modified clinoptilolite, 10 to 15 percent of modified bentonite, 3 to 8 percent of alunite, 3 to 8 percent of kaolin, 6 to 18 percent of quartz sand, 3 to 8 percent of volcanic and 2 to 5 percent of water glass. The invention also discloses the preparation method and the application of the compound mineral material and a landfill leachate disposing method. The compound mineral material is low in cost, high in pertinence, high in treatment efficiency and small in secondary pollution, and the preparation method is simple, convenient to use, low in cost, wide in market prospect and suitable for scale production.
Description
Technical field
The present invention relates to a kind of complex mineral material for processing percolate and its preparation method and application, belongs to sewage
Processing technology field.
Background technology
Percolate complicated, pollutant levels are high, are difficult using single treatment technology while intractability is big
Total nitrogen, Organic substance and heavy metal process and reach national present GB 16889-2008《Household refuse landfill sites Environmental capacity standard》
With regard to the emission request of percolate.At present conventional processing method is " biochemical treatment+membrane module " process integration, but middle and late stage rubbish
Rubbish percolate biodegradability is deteriorated, and film process equipment operating cost is high and film is easily blocked and causes flux to decline, so as to cause
Effluent quality is unstable.
Inorganic mineral material natural granularity skewness, the sewage adaptability big to variation water quality scope are higher, easily again
It is raw, and a certain pollutant in complex wastewater can be targetedly removed by being modified or while multiple pollutant is removed.
If Chinese invention patent application number is 200510020300.7《Improve epidesmine and remove Organic substance ability in percolate
Method》, disclose a kind of method for improving Organic substance ability in epidesmine removal percolate.Chinese invention patent Shen
Please number be 200510021344.1《A kind of modified alta-mud and its manufacture method for processing percolate》, disclose one
Plant the modified alta-mud and its manufacture method for processing percolate.Above-mentioned two patent of invention, advantage is:Rubbish can effectively be removed
The colourity of rubbish percolate, Organic substance and Cr VI, have the disadvantage:Ammonia nitrogen and total nitrogen removal efficiency are low, are not suitable for while removing various
Heavy metal.
Therefore, the exploitation New Type of Mineral Materials that cheap, with strong points, treatment effeciency is high, secondary pollution is little is applied to
Landfill leachate treatment, has important practical significance.
The content of the invention
The purpose of the present invention is to make up the deficiencies in the prior art, there is provided a kind of complex mineral material of process percolate
And its preparation method and application.The complex mineral material of the present invention, cheap, with strong points, treatment effeciency is high, secondary pollution
It is little.
An object of the present invention, is to provide a kind of complex mineral material for processing percolate.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of complex mineral material for processing percolate
Material, including the raw material of following percetage by weight:It is modified red stilbite 25~35%, modified clinoptilolite 25~35%, modified swollen
Profit soil 10~15%, alunite 3~8%, Kaolin 3~8%, quartz sand 6~18%, volcanic rock 3~8% and waterglass 2~
5%.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, including the raw material of following percetage by weight:Modified red stilbite 30%, modified clinoptilolite 30%, change
Property bentonite 12%, alunite 5%, Kaolin 3%, quartz sand 12%, volcanic rock 5% and waterglass 3%.
Further, the modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh,
The particle diameter of the Kaolin, quartz sand and volcanic rock is 80 mesh.
In the present invention, with modified red stilbite, modified clinoptilolite, modified alta-mud, alunite as primary raw material, with
Kaolin, waterglass, quartz sand, volcanic rock are additive, wherein, alunite is arsenic removing agent, and Kaolin and waterglass are bonding
Agent, quartz sand are reinforcing agent, and volcanic rock is pore creating material.The present invention increases zeolite and bentonitic specific surface area and suction by modified
Attached ability, the material for obtaining is porous material, and various inorganic mineral materials are combined and play special suction respective to different pollutant
Attached performance, reaches synergism.
The second object of the present invention, is to provide the preparation method of the complex mineral material of above-mentioned process percolate.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of complex mineral material for processing percolate
Preparation method, comprise the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, with the polymer aluminium silicate ferrous solution that mass concentration is 15%
Mixing, stirs 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtains final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4, mix with the NaOH solution that mass concentration is 10%, stir
After mixing 24 hours, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with
After mass concentration is 5% polymeric aluminum chlorides solution mix homogeneously, pH value is adjusted to 5 with the NaOH solution that mass concentration is 10%,
Ageing 5 hours, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtains final product
Modified alta-mud;
(4) alunite, 3~8% Kaolin, 5~15% quartz sand that percetage by weight is 3~8% are weighed respectively
With 3~8% volcanic rock, crush respectively, mix homogeneously, add percetage by weight for 25~35% the step of (1) obtained by change
Property epidesmine, 25~35% the step of modified clinoptilolite obtained by (2) and bentone obtained by (3) the step of 10~15%
Soil, after mix homogeneously, obtains mixture;
(5) waterglass that percetage by weight is 2~5% is weighed, is added in mixture obtained by step (4), after mix homogeneously,
Extrusion molding again, after drying, then calcination, obtain final product the complex mineral material for processing percolate.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the percetage by weight of step (4) alunite is 5%, and the kaolinic percetage by weight is
3%, the percetage by weight of the quartz sand is 10%, and the percetage by weight of the volcanic rock is 5%, what the alunite was crushed
Particle diameter is 20 mesh, and the particle diameter that the Kaolin, quartz sand and volcanic rock are crushed is 80 mesh, the weight of the modified red stilbite
Percent is 30%, and the percetage by weight of the modified clinoptilolite is 30%, and the percetage by weight of the modified alta-mud is
12%.
Further, the percetage by weight of step (5) waterglass be 3%, the pressure during extrusion molding be 2~
5MPa, being shaped as the extrusion molding is spherical, ellipsoid, lamellar, rice-shaped, column, strip or it is irregular in one kind
Or it is various, the temperature of the drying is 100 DEG C, and the temperature of the calcination is 200~700 DEG C.
The third object of the present invention, is to provide the complex mineral material of above-mentioned process percolate at percolate
Application in reason.
The fourth object of the present invention, is to provide a kind of processing method of percolate.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of processing method of percolate, will as above
Complex mineral material described in any one is processed in adding percolate, and the complex mineral material is in pending rubbish
Usage amount in percolate is 1~3g/L, and pH=8~10, response time are 25~35min, obtain final product the rubbish after process and ooze
Filtrate.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, usage amount of the complex mineral material in percolate is 2g/L, pH=9, and the response time is
30min。
Further, in the pending percolate, the concentration of CODcr is 1000~7000mg/L, the concentration of total nitrogen
For 40~150mg/L, colourity is 40~100 times, and the concentration of total lead is 0.10~0.50mg/L, the concentration of total copper is 0.070~
0.200mg/L, the concentration of total arsenic is 0.05~0.50mg/L, and the concentration of total chromium is 0.10~0.50mg/L, and total zinc concentration is
0.30~0.50mg/L, after process in percolate, the concentration of CODcr<70mg/L, the concentration of total nitrogen<35mg/L, colourity<1
Times, the concentration of total lead<0.01mg/L, the concentration of total copper<0.0025mg/L, the concentration of total arsenic<0.007mg/L, the concentration of total chromium<
0.01mg/L, total zinc concentration<0.05mg/L.
Using the complex mineral material process percolate of the present invention, CODcr clearances>80%, nitrogen removal rate>
60%, colourity reduction rate>90%, total lead, total copper, total arsenic, total chromium clearance are equal>90%, total zinc clearance>80%.
The invention has the beneficial effects as follows:
(1) complex mineral material of the invention is used to process percolation liquid of city life garbage landfill, to different times water
Matter fluctuates, and to adapt to high strong, cheap, treatment effeciency, easy regeneration, secondary pollution little for big percolate.
(2) complex mineral material of the invention, intensity are big, and water resistant power impact load ability is strong, and preparation method is simple, use
Convenience, long service life, low cost, wide market are adapted to large-scale production.
(3) the domestic nitric efficiency using biochemical process is about 40~50% at present, and technique is complex and flow process is longer, this
Total nitrogen removal effect of the invention to percolate>60%, handling process is simple, low cost, can to sewage treatment plants and
In-situ treatment widespread pollution from the overuse of fertilizers and pesticides in rural area or other ammonia nitrogen in high density field of industrial waste water treatment are promoted.
(4) complex mineral material heavy metal Selective adsorption of the invention is good, can be used for as heavy metal absorbent
Pretreatment non-ferrous metal metallurgy waste water.
(5) complex mineral material easy to be filmed of the invention, do not block, filtering velocity it is fast, biomembrane can be used for as biologic packing material
Method processes organic wastewater.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with specific embodiment, example is served only for explaining this
It is bright, it is not intended to limit the scope of the present invention.
Embodiment 1:
A kind of complex mineral material for processing percolate, including the raw material of following weight:Modified red stilbite 25kg,
Modified clinoptilolite 35kg, modified alta-mud 10kg, alunite 3kg, Kaolin 8kg, quartz sand 6kg, volcanic rock 8kg and water glass
Glass 5kg, wherein, the modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh, described
The particle diameter of Kaolin, quartz sand and volcanic rock is 80 mesh.
A kind of preparation method of the complex mineral material for processing percolate, comprises the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, with the polymer aluminium silicate ferrous solution that mass concentration is 15%
Mixing, stirs 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtains final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4, mix with the NaOH solution that mass concentration is 10%, stir
After mixing 24 hours, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with
After mass concentration is 5% polymeric aluminum chlorides solution mix homogeneously, pH value is adjusted to 5 with the NaOH solution that mass concentration is 10%,
Ageing 5 hours, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtains final product
Modified alta-mud;
(4) volcanic rock of alunite, the Kaolin of 8kg, the quartz sand of 6kg and 8kg that weight is 3kg is weighed respectively, point
Be not crushed to 80 mesh, mix homogeneously, add weight for 25kg the step of obtained by (1) the step of modified red stilbite, 35kg (2)
Gained modified clinoptilolite and modified alta-mud obtained by (3) the step of 10kg, after mix homogeneously, obtain mixture;
(5) waterglass that weight is 5kg is weighed, is added in mixture obtained by step (4), after mix homogeneously, then 2~
Ellipsoid is squeezed under the pressure of 5MPa, after 100 DEG C of drying, then at 200 DEG C of calcinations, the process percolate is obtained final product
Complex mineral material.
A kind of application of complex mineral material of percolate processed as above in landfill leachate treatment.
A kind of processing method of percolate, complex mineral material as described above is added and is located in percolate
Reason, usage amount of the complex mineral material in pending percolate are 3g/L, pH=9.5, and the response time is
35min, obtains final product the percolate after process, wherein, in the pending percolate, the concentration of CODcr is
7000mg/L, the concentration of total nitrogen are 150mg/L, and colourity is 100 times, and the concentration of total lead is 0.050mg/L, and the concentration of total copper is
0.12mg/L, the concentration of total arsenic is 0.50mg/L, and the concentration of total chromium is 0.15mg/L, and total zinc concentration is 0.47mg/L, is processed
Afterwards in percolate, the concentration of CODcr is 70mg/L, and the concentration of total nitrogen is 35mg/L, and colourity is 2 times, and the concentration of total lead is
0.005mg/L, the concentration of total copper is 0.0025mg/L, and the concentration of total arsenic is 0.007mg/L, and the concentration of total chromium is 0.01mg/L,
Total zinc concentration is 0.05mg/L.
Therefore, percolate is processed using the complex mineral material of the present invention, CODcr clearances are 99%,
Nitrogen removal rate is 76.67%, and colourity reduction rate is 98%, total lead, total copper, total arsenic, total chromium clearance respectively 90%,
97.92%th, 98.6%, 93.33%, total zinc clearance is 89.36%.
Embodiment 2:
A kind of complex mineral material for processing percolate, including the raw material of following weight:Modified red stilbite 30kg,
Modified clinoptilolite 30kg, modified alta-mud 12kg, alunite 5kg, Kaolin 3kg, quartz sand 12kg, volcanic rock 5kg and water
Glass 3kg, wherein, the modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh, institute
The particle diameter for stating Kaolin, quartz sand and volcanic rock is 80 mesh.
A kind of preparation method of the complex mineral material for processing percolate, comprises the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, with the polymer aluminium silicate ferrous solution that mass concentration is 15%
Mixing, stirs 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtains final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4, mix with the NaOH solution that mass concentration is 10%, stir
After mixing 24 hours, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with
After mass concentration is 5% polymeric aluminum chlorides solution mix homogeneously, pH value is adjusted to 5 with the NaOH solution that mass concentration is 10%,
Ageing 5 hours, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtains final product
Modified alta-mud;
(4) volcanic rock of alunite, the Kaolin of 3kg, the quartz sand of 12kg and 5kg that weight is 5kg is weighed respectively, point
Be not crushed to 80 mesh, mix homogeneously, add weight for 30kg the step of obtained by (1) the step of modified red stilbite, 30kg (2)
Gained modified clinoptilolite and modified alta-mud obtained by (3) the step of 12kg, after mix homogeneously, obtain mixture;
(5) waterglass that weight is 3kg is weighed, is added in mixture obtained by step (4), after mix homogeneously, then 2~
Rice-shaped is squeezed under the pressure of 5MPa, after 100 DEG C of drying, then at 450 DEG C of calcinations, the process percolate is obtained final product
Complex mineral material.
A kind of application of complex mineral material of percolate processed as above in landfill leachate treatment.
A kind of processing method of percolate, complex mineral material as described above is added and is located in percolate
Reason, usage amount of the complex mineral material in pending percolate are 2.5g/L, pH=9, and the response time is
30min, obtains final product the percolate after process, wherein, in the pending percolate, the concentration of CODcr is
6220mg/L, the concentration of total nitrogen are 131mg/L, and colourity is 100 times, and the concentration of total lead is 0.010mg/L, and the concentration of total copper is
0.071mg/L, the concentration of total arsenic is 0.098mg/L, and the concentration of total chromium is 0.14mg/L, and total zinc concentration is 0.32mg/L, is located
After reason in percolate, the concentration of CODcr is 67mg/L, and the concentration of total nitrogen is 28mg/L, and colourity is 2 times, the concentration of total lead
For 0.01mg/L, the concentration of total copper is 0.0025mg/L, and the concentration of total arsenic is 0.007mg/L, and the concentration of total chromium is 0.01mg/L,
Total zinc concentration is 0.05mg/L.
Therefore, percolate is processed using the complex mineral material of the present invention, CODcr clearances are
98.92%, nitrogen removal rate is 78.63%, and colourity reduction rate is 98%, and total lead, total copper, total arsenic, total chromium clearance are respectively
90%th, 96.48%, 92.86%, 92.86%, total zinc clearance is 84.38%.
Embodiment 3:
A kind of complex mineral material for processing percolate, including the raw material of following weight:Modified red stilbite 35kg,
Modified clinoptilolite 25kg, modified alta-mud 14kg, alunite 6kg, Kaolin 3kg, quartz sand 12kg, volcanic rock 3kg and water
Glass 2kg, wherein, the modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh, institute
The particle diameter for stating Kaolin, quartz sand and volcanic rock is 80 mesh.
A kind of preparation method of the complex mineral material for processing percolate, comprises the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, with the polymer aluminium silicate ferrous solution that mass concentration is 15%
Mixing, stirs 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtains final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4, mix with the NaOH solution that mass concentration is 10%, stir
After mixing 24 hours, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with
After mass concentration is 5% polymeric aluminum chlorides solution mix homogeneously, pH value is adjusted to 5 with the NaOH solution that mass concentration is 10%,
Ageing 5 hours, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtains final product
Modified alta-mud;
(4) volcanic rock of alunite, the Kaolin of 3kg, the quartz sand of 12kg and 3kg that weight is 6kg is weighed respectively, point
Be not crushed to 80 mesh, mix homogeneously, add weight for 35kg the step of obtained by (1) the step of modified red stilbite, 25kg (2)
Gained modified clinoptilolite and modified alta-mud obtained by (3) the step of 14kg, after mix homogeneously, obtain mixture;
(5) waterglass that weight is 2kg is weighed respectively, is added in mixture obtained by step (4), after mix homogeneously, then 2
Column is squeezed under the pressure of~5MPa, after 100 DEG C of drying, then at 550 DEG C of calcinations, the process percolate is obtained final product
Complex mineral material.
A kind of application of complex mineral material of percolate processed as above in landfill leachate treatment.
A kind of processing method of percolate, complex mineral material as described above is added and is located in percolate
Reason, usage amount of the complex mineral material in pending percolate are 3g/L, pH=10, and the response time is
25min, obtains final product the percolate after process, wherein, in the pending percolate, the concentration of CODcr is
1880mg/L, the concentration of total nitrogen are 54.3mg/L, and colourity is 64 times, and the concentration of total lead is 0.45mg/L, and the concentration of total copper is
0.16mg/L, the concentration of total arsenic is 0.50mg/L, and the concentration of total chromium is 0.47mg/L, and total zinc concentration is 0.50mg/L, is processed
Afterwards in percolate, the concentration of CODcr is 7mg/L, and the concentration of total nitrogen is 21.7mg/L, and colourity is 1 times, and the concentration of total lead is
0.01mg/L, the concentration of total copper is 0.001mg/L, and the concentration of total arsenic is 0.007mg/L, and the concentration of total chromium is 0.004mg/L, always
Zinc concentration is 0.05mg/L.
Therefore, percolate is processed using the complex mineral material of the present invention, CODcr clearances are
99.63%, nitrogen removal rate is 60%, colourity reduction rate 98.43%, and total lead, total copper, total arsenic, total chromium clearance are respectively
97.78%th, 99.38%, 98.6%, 99.15%, total zinc clearance is 90%.
Embodiment 4:
A kind of complex mineral material for processing percolate, including the raw material of following weight:Modified red stilbite 27kg,
Modified clinoptilolite 27kg, modified alta-mud 15kg, alunite 4kg, Kaolin 4kg, quartz sand 16kg, volcanic rock 4kg and water
Glass 3kg, wherein, the modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh, institute
The particle diameter for stating Kaolin, quartz sand and volcanic rock is 80 mesh.
A kind of preparation method of the complex mineral material for processing percolate, comprises the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, it is mixed with the polymeric aluminium ferrum silicate that mass concentration is 15%
Close, stir 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtain final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4 are mixed with the NaOH solution that mass concentration is 10%, are stirred
After mixing 24 hours, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with
After mass concentration is 5% polymeric aluminum chlorides solution mix homogeneously, pH value is adjusted to 5 with the NaOH solution that mass concentration is 10%,
Ageing 5 hours, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtains final product
Modified alta-mud;
(4) volcanic rock of alunite, the Kaolin of 4kg, the quartz sand of 16kg and 4kg that weight is 4kg is weighed respectively, point
Be not crushed to 80 mesh, mix homogeneously, add weight for 27kg the step of obtained by (1) the step of modified red stilbite, 27kg (2)
Gained modified clinoptilolite and modified alta-mud obtained by (3) the step of 15kg, after mix homogeneously, obtain mixture;
(5) waterglass that weight is 3kg is weighed, is added in mixture obtained by step (4), after mix homogeneously, then 2~
Ball up under the pressure of 5MPa, after 100 DEG C of drying, then at 700 DEG C of calcinations, obtains final product answering for the process percolate
Close mineral material.
A kind of application of complex mineral material of percolate processed as above in landfill leachate treatment.
A kind of processing method of percolate, complex mineral material as described above is added and is located in percolate
Reason, usage amount of the complex mineral material in pending percolate are 1g/L, pH=8.5, and the response time is
28min, obtains final product the percolate after process, wherein, in the pending percolate, the concentration of CODcr is
1030mg/L, the concentration of total nitrogen are 42mg/L, and colourity is 90 times, and the concentration of total lead is 0.13mg/L, and the concentration of total copper is
0.010mg/L, the concentration of total arsenic is 0.10mg/L, and the concentration of total chromium is 0.24mg/L, and total zinc concentration is 0.30mg/L, is processed
Afterwards in percolate, the concentration of CODcr is 5mg/L, and the concentration of total nitrogen is 15mg/L, and colourity is 1 times, and the concentration of total lead is
0.01mg/L, the concentration of total copper is 0.001mg/L, and the concentration of total arsenic is 0.007mg/L, and the concentration of total chromium is 0.005mg/L, always
Zinc concentration is 0.05mg/L.
Therefore, percolate is processed using the complex mineral material of the present invention, CODcr clearances are
99.51%, nitrogen removal rate is 64.29%, and colourity reduction rate is 98.89%, total lead, total copper, total arsenic, total chromium clearance difference
For 92.31%, 90%, 93%, 97.92%, total zinc clearance is 83.33%.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. it is a kind of process percolate complex mineral material, it is characterised in that including the raw material of following percetage by weight:Change
Property epidesmine 25~35%, modified clinoptilolite 25~35%, modified alta-mud 10~15%, alunite 3~8%, kaolinite
Soil 3~8%, quartz sand 6~18%, volcanic rock 3~8% and waterglass 2~5%.
2. it is according to claim 1 it is a kind of process percolate complex mineral material, it is characterised in that including as follows
The raw material of percetage by weight:Modified red stilbite 30%, modified clinoptilolite 30%, modified alta-mud 12%, alunite 5%,
Kaolin 3%, quartz sand 12%, volcanic rock 5% and waterglass 3%.
3. it is according to claim 1 and 2 it is a kind of process percolate complex mineral material, it is characterised in that it is described
Modified red stilbite, modified clinoptilolite, modified alta-mud, the particle diameter of alunite are 20 mesh, the Kaolin, quartz sand and
The particle diameter of volcanic rock is 80 mesh.
4. it is a kind of process percolate complex mineral material preparation method, it is characterised in that comprise the steps:
(1) epidesmine is modified:
Epidesmine is taken, 20 mesh are crushed to, in mass ratio 10:1, it is mixed with the polymer aluminium silicate ferrous solution that mass concentration is 15%
Close, stir 3 hours, after mix homogeneously, in 100 DEG C of dryings 3 hours, obtain final product modified red stilbite;
(2) clinoptilolite is modified
Clinoptilolite is taken, 20 mesh are crushed to, is 5 in mass ratio:4, mix with the NaOH solution that mass concentration is 10%, stirring 24
After hour, neutrality is washed to distillation, dry in 105 DEG C, obtain final product modified clinoptilolite;
(3) it is bentonite modified
Bentonite is taken, after being crushed to 20 mesh, by weight 1:4 add water, and make bentonite slurry, then in mass ratio 3:1, with quality
After concentration is 5% polymeric aluminum chlorides solution mix homogeneously, adjusts pH value to 5 with the NaOH solution that mass concentration is 10%, be aged 5
Hour, after 80 DEG C of reactions 10 hours, prior to 100 DEG C of dryings 5 hours, then then at 105 DEG C of dryings 12 hours, obtain final product modified swollen
Profit soil;
(4) weigh respectively alunite, 3~8% Kaolin, 6~18% quartz sand that percetage by weight is 3~8% and 3~
8% volcanic rock, is crushed respectively, mix homogeneously, is added
Zeolite, 25~35% the step of modified clinoptilolite obtained by (2) and modified alta-mud obtained by (3), mixing the step of 10~15%
After uniform, mixture is obtained;
(5) waterglass that percetage by weight is 2~5% is weighed, is added in mixture obtained by step (4), after mix homogeneously, then is squeezed
It is molded, after drying, then calcination, obtain final product the complex mineral material for processing percolate.
5. the preparation method of a kind of complex mineral material for processing percolate according to claim 4, its feature exists
In the percetage by weight of step (4) alunite is 5%, and the kaolinic percetage by weight is 3%, the quartz sand
Percetage by weight be 10%, the percetage by weight of the volcanic rock is 5%, and the particle diameter that the alunite is crushed is 20 mesh, institute
The particle diameter for stating the crushing of Kaolin, quartz sand and volcanic rock is 80 mesh, and the percetage by weight of the modified red stilbite is 30%,
The percetage by weight of the modified clinoptilolite is 30%, and the percetage by weight of the modified alta-mud is 12%.
6. the preparation method of a kind of complex mineral material for processing percolate according to claim 4, its feature exists
It is 3% in the percetage by weight of, step (5) waterglass, the pressure during extrusion molding is 2~5MPa, the extruding
Being shaped as molding is spherical, ellipsoid, lamellar, rice-shaped, column, strip or it is irregular in one or more, the baking
Dry temperature is 100 DEG C, and the temperature of the calcination is 200~700 DEG C.
7. a kind of complex mineral material of percolate that processes as described in any one of claims 1 to 3 is at percolate
Application in reason.
8. a kind of processing method of percolate, it is characterised in that will as described in any one of claims 1 to 3 complex mineral
Material is processed in adding percolate, and usage amount of the complex mineral material in pending percolate is
1~3g/L, pH=8~10, the response time is 25~35min, obtains final product the percolate after process.
9. a kind of processing method of percolate according to claim 8, it is characterised in that the complex mineral material
Usage amount in percolate is 2g/L, and pH=9, response time are 30min.
10. a kind of processing method of percolate according to claim 8 or claim 9, it is characterised in that the pending rubbish
In rubbish percolate, the concentration of CODcr is 1000~7000mg/L, and the concentration of total nitrogen is 40~150mg/L, and colourity is 40~100
Times, the concentration of total lead is 0.10~0.50mg/L, and the concentration of total copper is 0.070~0.200mg/L, the concentration of total arsenic is 0.05~
0.50mg/L, the concentration of total chromium is 0.10~0.50mg/L, and total zinc concentration is 0.30~0.50mg/L, garbage filter after process
In liquid, the concentration of CODcr<70mg/L, the concentration of total nitrogen<35mg/L, colourity<1 times, the concentration of total lead<0.01mg/L, total copper
Concentration<0.0025mg/L, the concentration of total arsenic<0.007mg/L, the concentration of total chromium<0.01mg/L, total zinc concentration<0.05mg/L.
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CN107512834A (en) * | 2017-10-21 | 2017-12-26 | 刘滨 | A kind of method for treating garbage percolation liquid |
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