Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberCN1413919 A
Publication typeApplication
Application numberCN 01129817
Publication dateApr 30, 2003
Filing dateOct 26, 2001
Priority dateOct 26, 2001
Publication number01129817.0, CN 01129817, CN 1413919 A, CN 1413919A, CN-A-1413919, CN01129817, CN01129817.0, CN1413919 A, CN1413919A
Inventors余远松, 王良焱, 郑少健, 李新军, 邓润坤
Applicant中国科学院广州能源研究所
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Compound water cleansing agent for waste water treatment
CN 1413919 A
Abstract
A composite water-cleaning agent for treating sewage contains soluble monomer (60-95 wt.%) and insoluble monomer (5-40 wt.%). Its advantages are high efficiency, low cost, and high effect on removinginertial pollutant from sewage.
Claims(4)  translated from Chinese
1.一种废水处理用的复合净水剂,含有可溶性单体,占总重量的60~95%,和不可溶性单体,占总重量的40~5%,其有效氧化铝(Al2O3)的含量必须≥15%。 1. A waste water treatment with purifying agent complex, containing soluble monomer, 60 to 95% by weight of the total, and insoluble monomers, from 40 to 5% by weight of the total, which is effective alumina (Al2O3) of content must be ≥15%.
2.根据权利要求1中所述的一种废水处理用的复合净水剂,其特征是可溶性单体选自硫酸铝、氯化铝、氯化铁、碱式氯化铝、聚合铝中的一种或几种。 2. According to a wastewater treatment described a complex purifying agent, characterized claims soluble monomer selected from aluminum sulfate, aluminum chloride, ferric chloride, basic aluminum chloride, aluminum polymerization of one or several.
3.根据权利要求1或2中所述的一种废水处理用的复合净水剂,其特征是不可溶性单体选取自高岭土、膨润土、硅藻土、石英粉、沸石、明矾石中的一种或几种。 3. According to a wastewater treatment claim 1 or 2 with the complex water purifying agent, characterized by self-insoluble monomer selected kaolin, bentonite, diatomaceous earth, quartz powder, zeolite, alunite in claims one or several.
4.根据权利要求1、2或3中所述的一种废水处理用的复合净水剂,其特征是不可溶单体最好先经粉磨、颗粒半径值控制在R≤0.03毫米,并经膨化或酸化处理。 4. According to 1, 2 or 3, wherein a waste water treatment in the purifying agent compound as claimed in claim wherein the insoluble monomer is preferably first by grinding, control of the particle radius in R≤0.03 mm, and After puffing or acidification.
Description  translated from Chinese
废水处理用的复合净水剂 Composite water purifying wastewater treatment

本发明涉及一种废水处理用的复合净水剂水是人类生活和生产活动中不可缺少的物质资源,近二十年来,随着经济的发展,环境污染已越来越明显。 The present invention relates to a composite water purifying agent used for treatment of wastewater is a human life and material resources indispensable for production activities, the last two decades, along with economic development, environmental pollution has become increasingly evident. 通过净水剂与水中的污染物反应是净化水质的一种有效而快捷的方法,全世界普遍用此方法作为净化水质的重要途径之一。 By pollutants react with water purifying agent is a water quality purification effective and quickest way around the world in general with this method as one of the important ways to purify water quality. 日本、欧美在此方面投入大量资源,研制出各种类型的净水剂。 Japan, Europe and the US to invest a lot of resources in this regard, the development of various types of water purification agent. 近年来继聚合氯化铝之后,还研制了聚合铝盐混合物。 In recent years, following the PAC, has also developed a polymeric aluminum salt mixture. 但由于价格偏高,尚难在我国推广。 However, due to the high price, it is difficult in our promotion. 国内目前研制和应用的多为单一型的净水剂,只能选择性的去除污染物,适应性较窄。 China is currently the development and application of a single type of multi-purifying agent, only selective removal of contaminants, adaptability narrow. 在环境污染日益严峻的今天,研制性能良好,效率高的净水剂就显得尤为重要。 In today's increasingly serious environmental pollution, the development of good performance, high efficiency of purifying agent is particularly important. 在环境污染日益严峻的今天,研制性能良好,效率高的净水剂就显得尤为重要。 In today's increasingly serious environmental pollution, the development of good performance, high efficiency of purifying agent is particularly important.

本发明的目的是提供一种高效、低成本、特别能够去除废水中惰性污染物的复合净水剂。 The purpose of the present invention is to provide an efficient, low cost, especially capable of removing pollutants in wastewater inert compound purifying agent.

本发明的技术方案是:废水处理用的复合净水剂含有可溶性单体,占总重量的60~95%,和不可溶性单体,占总重量的40~5%,其有效氧化铝(Al2O3)的含量必须≥15%。 Aspect of the present invention are: waste water treatment with purifying agent containing the soluble monomeric compound, 60 to 95% by weight of the total, and insoluble monomers, from 40 to 5% by weight of the total, effective alumina (Al2O3 ) The content must be ≥15%.

可溶性单体选自硫酸铝、氯化铝、氯化铁、碱式氯化铝、聚合铝中的一种或几种。 Soluble monomer selected from aluminum sulfate, aluminum chloride, ferric chloride, basic aluminum chloride, aluminum polymerization of one or several.

不可溶性单体选取自高岭土、膨润土、硅藻土、石英粉、沸石、明矾石中的一种或几种。 Insoluble monomer selected since kaolin, bentonite, diatomaceous earth, quartz powder, zeolite, alunite one or several.

不可溶单体最好先经粉磨、颗粒半径值控制在R≤0.03毫米,并经膨化或酸化处理。 Insoluble monomer best first by grinding, granular control R≤0.03 mm radius, and by puffing or acidification.

各种废水都是以水为分散介质的分散体系。 Various waste water as the dispersion is a dispersion medium. 胶体颗粒能保持稳定主要有两个原因:首先,由于同类的胶体微粒电性相同,它们之间的静电斥力阻止微粒间彼此接近而聚合成较大的颗粒;其次,带电荷的胶粒和离子都能与周围的水分子发生水化作用,形成一层水化壳,也阻碍各胶粒的聚合。 Colloidal particles can remain stable for two main reasons: Firstly, due to the similar electrical same colloidal particles, the electrostatic repulsion between them close to each other while preventing inter-particle aggregate into larger particles; secondly, charged particles and ions can occur with the water molecules surrounding hydration, forming a hydration shell, also hindered polymeric micelles each. 胶粒带电越多,ε电位就越大,稳定性越强。 The more charged particles, ε, the greater the potential, the more stability. 水质处理就是通过投加化学药剂来破坏胶体的稳定性,使其沉淀,达到净化的目的。 Water treatment is by adding chemicals to destroy the stability of the colloidal, precipitated, achieve the purpose of purification. 按反应机理,可分为压缩双电层、吸附电中和、吸附架桥、沉淀物网捕四种。 According to the reaction mechanism can be divided into electric double layer compression, adsorption charge neutralization, adsorption bridging, sediment netting four. 本发明选用的可溶性单体具有引发连锁脱稳反应的作用,控制不溶性单体颗粒半径可以改善生成絮体的密度和强度,增大不溶性单体的接触面积可以增强其吸附架桥能力,这些因素都大大提高了净化水质的效率。 The present invention has the effect of selected soluble monomer trigger a chain reaction of destabilization, control insoluble monomer particles radius can improve the density and strength of floc formation, increasing the contact area insoluble monomers can enhance their adsorption bridging capability, these factors have greatly improved the efficiency of water purification.

复合净水剂在通过化学反应来破坏废水中的污染物的稳定性的同时,增加其吸附架桥能力及改善生成絮体的粒径、密度和强度,比单一型净水剂具有更多的功效。 Composite purifying agent through a chemical reaction to destroy the stability of wastewater pollutants while increasing capacity and improving its adsorption bridging particle size, density and intensity generated floc, with more than a single type of purifying agent effect.

本发明与单一型铝盐相比具有下列优点和积极效果:应用范围广,对多种废水都可以达到较好的混凝效果;快速形成矾体,沉淀性能好,脱色效果好;适宜的PH值及温度范围较宽;单位使用量比单一型为低。 This invention relates to a single type of aluminum compared with the following advantages and positive effects: a wide range of applications on a variety of wastewater can achieve good coagulation effect; rapid formation of alum body, good precipitation performance, good color removal; suitable PH value and a wide temperature range; units to use than a single type is low. 四个方面充分发挥作用。 Four full effect. 从而具有更高的净化效率。 Which has a higher purification efficiency. 而且原材料易得,价格便宜。 And raw materials readily available, cheap.

通过上述方法制成的复合净水剂,应用于畜牧场、食品厂、肉类加工、生活污水、油田废水、造纸厂、电镀、洗煤、印染、漂染等废水净化处理。 Composite purifying agent produced by the above method, used in livestock farms, food factories, meat processing, sewage, waste oil, paper mills, electroplating, coal washing, dyeing, bleaching and dyeing wastewater purification. 其单位使用量比单一型硫酸铝低15%以上。 Its units to use than a single type of aluminum sulfate lower than 15%. 而且对惰性污染物去除效果尤为显著。 And inert pollutant removal effect is particularly significant. 对改善环境污染,保护水资源提供一种新的方法。 To improve the environmental pollution, protection of water resources to provide a new approach.

在以下实施例中将进一步说明本发明,这些实施例仅用于说明本发明而对本发明没有限制。 In the following examples will further illustrate the present invention, these examples are intended to illustrate the invention and not to limit the present invention.

实施例一:本实施例复合净水剂中,氯化铝占90%,高岭土、沸石各占5%,高岭土、沸石半径R为0.02毫米,经膨化处理后与氯化铝混和而成。 Example A: Composite purifying agent in the present embodiment, 90% aluminum chloride, kaolin, zeolite 5% each, kaolin, zeolite radius R of 0.02 mm, after expanding treatment with aluminum chloride mixed together. 用印染废水作试验,印染废水CODcr浓度为3569mg/L,分别加入万分之一的净水剂和同量的氯化铝,经处理后CODcr浓度分别为203mg/L和856mg/L,CODcr去除率分别为94%和76%。 By dyeing wastewater for testing, printing and dyeing wastewater CODcr concentration of 3569mg / L, respectively, join millionth purifying agent and the same amount of aluminum chloride, treated CODcr concentration was 203mg / L and 856mg / L, CODcr removal rates were 94% and 76%, respectively.

实施例二:本实施例复合净水剂中,硫酸铝占70%,聚合铝占10%,膨润土10%,明矾石10%,膨润土颗粒半径R为0.03毫米,明矾石颗粒半径为0.02毫米。 EXAMPLE II: In this embodiment, the composite water purifying agent, aluminum sulfate, 70%, 10% polymeric aluminum, bentonite 10%, 10% alunite, bentonite particle radius R of 0.03 mm, alunite particle radius of 0.02 mm. 膨润土经膨化、明矾石经酸化后与上述两种单体混合而成,用养猪场废水作试验,养猪场废水COD浓度为7613mg/L。 Bentonite by puffing, after mixing with alunite by acidification of the two monomers together with swine wastewater for testing swine wastewater COD concentration of 7613mg / L. 分别加入万分之一的净水剂和同量的硫酸铝,经处理后COD浓度分别为2409mg/L和3802mg/L,CODcr去除率分别为67%和50%。 Millionth of purifying agent were added, and the same amount of aluminum sulfate, treated COD concentration was 2409mg / L and 3802mg / L, CODcr removal rate was 67% and 50%.

实施例三:本实施例复合净水剂中,聚合铝占60%,膨润土、硅藻土、石英粉、沸石各占10%,膨润土、沸石颗粒半径R为0.03毫米,硅藻土、石英粉颗粒半径R为0.02毫米,膨润土、沸石经膨化、硅藻土、石英粉经酸化后与聚合铝混合而成。 Example III: diatomaceous earth, quartz powder composite purifying agent in the present embodiment, the polymerization of aluminum 60%, bentonite, diatomaceous earth, quartz powder, 10% of each zeolite, bentonite, zeolite particles radius R of 0.03 mm, particle radius R is 0.02 mm, bentonite, zeolite by puffing, diatomite, quartz powder mixed with polymeric aluminum acidified made. 用生活污水作试验,生活污水CODcr浓度为181mg/L,分别加入万分之一的净水剂和同量的聚合铝,经处理后CODcr浓度分别为23mg/L和76mg/L。 Used for testing sewage, sewage CODcr concentration of 181mg / L, respectively, and the same amount added purifying agent millionth of polymeric aluminum, treated CODcr concentration was 23mg / L and 76mg / L. CODcr去除率分别为87%和58%。 CODcr removal rates were 87% and 58%.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
CN101607750BJun 18, 2008Jan 26, 2011吴庆元Sewage purifying agent
CN103232079A *Jun 1, 2012Aug 7, 2013深圳市东港城投资有限公司Formula and preparation method of natural mineral dyeing and printing industry wastewater treatment agent
CN103232079B *Jun 1, 2012Feb 11, 2015邱兵Formula and preparation method of natural mineral dyeing and printing industry wastewater treatment agent
CN103288188A *May 7, 2013Sep 11, 2013沈礼群Natural mineral-vitamin health-care drinking water purifying agent and preparation method and applications thereof
CN105129902B *Sep 25, 2015Apr 19, 2017中国有色桂林矿产地质研究院有限公司一种处理垃圾渗滤液的复合矿物材料及其制备方法和应用
Classifications
International ClassificationC02F1/52
Legal Events
DateCodeEventDescription
Apr 30, 2003C06Publication
Jul 6, 2005C02Deemed withdrawal of patent application after publication (patent law 2001)