A_1-A_2-O-M工艺处理焦化废水的实验研究

采用厌氧-缺氧-好氧-复合(A1-A2-O-M)工艺处理焦化废水,考察了外加碳源和碱源对焦化废水COD和NH4+-N脱除效果的影响。试验结果表明:外加甲醇和碳酸氢钠对焦化废水的硝化和反硝化效果影响很小;不外加碳源和碱源时,焦化废水经处理后出水的COD和NH4+-N平均质量浓度分别为125.0mg/L和1.12mg/L,分别达到《污水综合排放标准》(GB8978-1996)中的二级标准和一级标准。     

油剂废水的焚烧处理

化纤生产企业每天会产生一定量的油剂废水,由于油剂废水COD含量较高且含有大量不易生化处理的成分,进入公司污水处理站进行处理,不仅难度大,而且对污水站的稳定运行产生较大的冲击。废水高温焚烧是较为有效的处理方式。对原有导热油锅炉(煤炉)进行油剂废水焚烧装置改造,可以有效处理油剂废水,达到了既环保又节能的效果。     

应用膜生物反应器处理焦化污水

膜生物反应器(MBR)是膜分离与生物反应器相结合的新型水处理技术。焦化污水是一种高浓度、难降解的工业污水，应用传统的生化方法处理焦化污水存在费用大、效率低的缺点。作者采用一体浸没式膜生物反应器处理焦化污水，调整合适的操作参数，污水中主要污染物COD、NH2-N的去除率分别达到80％、98％以上，操作简单，出水水质稳定，且远好于国家一级排放标准，取得了良好的效果，有一定的推广意义。     

我国水处理高级氧化技术发展战略的探讨

我国面对水环境中的难于生物降解的有毒有害有机污染物日益增加的严重局面，大力研究对之有特效的各种高级氧化水处理技术并使之迅速获得大规模工业应用势在必行，这不仅是水处理新方法新设备研究的迫切课题，而且也是我国建设节约型社会和自主创新型国家所必须的技术进展。在概括性地讨论各类水处理高级氧化技术优缺点的基础上，对我国目前应当优先发展的高级氧化技术及其技术关键提出自己的见解。     

Preparation and properties of water‐soluble polyester surfactants. II. Preparation and surface activity of silicone‐modified polyester surfactants

We prepared a novel series of water‐soluble silicone‐modified polyesters [poly(ethylene glycol) (PEG)–silicone polyesters] by reacting organopolysiloxane with a hydroxy‐terminated polyester. The polyesters were obtained by the polymerization of maleic anhydride and PEGs (molecular weights = 2000, 4000, 6000, 8000, and 10000). These water‐soluble PEG–silicone polyesters can be used as auxiliaries in dyeing process because they exhibit good surface activities such as surface tension, low foaming, and wetting power. The presence of these surfactants also retarded the rate of nylon dyeing with acid dyes. The retarding effect and low‐foaming property of these novel PEG–silicone polyesters make it possible for these surfactants to be used as leveling agents for modern nylon dyeing with acid dyes. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 86: 3005–3012, 2002     

电镀综合废水处理技术

电镀行业普遍存在废水处理不够彻底的排放问题。针对这种现状，本文提出首先必须对生产线上的电镀废液进行种类及清污分流，并应用化学絮凝—气浮法一体化的处理技术对综合废水进行处理。试运行情况表明，该处理技术易于控制、占地面积小、运行费用低，处理后的废水可以达到GB8978—1996二级标准，去除率在96％以上，并有65％以上的处理水可以回收利用。     

啤酒废水处理技术研究

采用压力生物氧化－气浮组合工艺处理啤酒废水。试验结果表明，在适当条件下，进水ＣＯＤ为１６３０－２３６０，ｇ／Ｌ，生化反应容积负荷１２．３－１５．６ｋｇＣＯＤ／Ｍ＾３．ｄ，气浮水力负荷２８．８－５２．９ｍ＾２／ｍ＾２．ｄ，出水达现有企业一级排放标准。     

Production of antimicrobially active silk proteins by use of metal‐containing dyestuffs

The work presented here discusses a new technique for preparing silk fibers and films with persistent antimicrobial activity through use of metallic dyestuffs during the fiber dyeing process. The length of the silk fibers investigated contracted when the fibers were immersed in concentrated neutral salt solutions, such as calcium or potassium nitrate, at elevated temperature levels. The birefringence and molecular orientation of the silk fibroin molecules became less ordered by the action of the neutral salt solutions, resulting in increased dyestuff absorption. Subsequently, contracted silk fibers were dyed with metallic dyestuffs containing Cr or Cu for the purpose of obtaining silk fibers with antimicrobial activity. Silk fibers dyed with metallic dyestuffs showed significant antimicrobial activity against the plant pathogen Cornebacterium and the human pathogen Coli bacillus. Tensile strength of the silk fibers after the salt shrinking and dyeing processes did not show a significant change, whereas the elongation at break was increased slightly. The techniques described here for preparing significantly active antimicrobial silk fibers are effective and economic ways of providing new materials for industrial and biomedical applications. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 86: 1181–1188, 2002     

工业有机废水高级处理的方法与技术

本文详细叙述了工业有机废水高级处理中的几种新兴的技术与方法：湿式空气氧化法、光助催化氧化法、电催化氧化法、超声波-生物氧化法和生物化学氧化法。叙述了其原理、应用和特点。     

电凝聚方法处理聚氯乙烯工业废水试验

对电凝聚方法处理聚氯乙烯工业废水的效果及影响因素进行了分析研究。现场运 行结果表明,该方法试验装置对聚氯乙烯废水的处理效果较好,出水水质达到综合排放 标准,对COD,BOD和TSS的去除率分别达到95％,91％和90％;对废水流量负荷的变化 具有较好的适应性,保证出水水质稳定;装置的运行成本经济实用。