工业废水

With the rapid development of industries,more and more complicated chemical is used,which lead to creasing waste water,there are a lot kind of harmful chemical materials contained in waste water.

快速发展的工业越来越多地采用各种复杂的化学方法，从而使废水大量增多，而很多废水中含有种种有害的化学物质。

After the combined treatment performed at pH=4.0, using 2.5 of TiO2 for 8 min of adsorption and 20 mg/L of ClO2 for 2 min of oxidation, the treated sample was dischargeable under the existing discharge limits for dyeing wastewater; the starting COD was reduced from 750 mg/L to〈100 mg/L and that the wastewater color was reduced from 250 dilutions to 40 dilutions.

结果表明，对于COD为750mg／L、色度为250倍、SS为100mg／L的1000mL印染废水，当溶液pH为4.0、ClO2用量20mg／L、TiO2复合吸附剂用量2.5g、反应时间和吸附时间分别为2、8min时，处理后的废水COD＜100mg／L、色度〈40倍、SS＜70mg／L，达到了《纺织染整工业水污染物排放标准》（GB4287—92）排放要求。

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Polyaluminum chloride (PAC-1) is a new and efficient inorganic polymer coagulants. The selection of bauxite products, calcium aluminates, hydrochloric acid produced with advanced technology, have a good flocculation effect. its effect is better than the traditional aluminum sulfate and water purification molysite ordinary inorganic coagulants and general polyaluminum chloride. can be widely used in industrial water purification and wastewater treatment. of sewage and wastewater is also ideal purifying effect.

聚合氯化铝（PAC-1）是一种新型高效的无机高分子混凝剂，本产品选用铝矾土、铝酸钙粉、盐酸以先进工艺制成，具有良好的絮凝效果，其净水效果优于传统的硫酸铝和铁盐等普通无机盐类混凝剂及一般的碱式氯化铝，能广泛用于工业用水及废水的净化处理，对生活污水和各行业废水也具有理想的净化效果。

Seeing that azo dyes can be reductively degraded by anaerobic microorganisms,an anaerobic treatment process for manufacturing wastewater was developed,in which easily degradable organic wastewater was used as supplemental carbon source.

鉴于厌氧微生物对偶氮染料的还原裂解作用，开发了以易降解工业有机废水作为外加碳源的染化废水厌氧生物处理的新技术。

About 30 tons wastewater will be discharged for each ton production of sebacic acid in the present industrial process.

在目前的工业生产工艺中，每生产1吨癸二酸，需排放约30吨废水，废水中含有的主要成分为硫酸钠、苯酚、癸二酸以及其它一些脂肪酸等。

The acidifying process is suitable for treating high density of cyanidebearing waste water,however the cyanide content of the treated waste water is generally in the range of 5～50mg/l needing secondary treatment so as to reach drainage standard.

酸化法适用于高浓度含氰废水的处理，处理后的废液含氰一般在5～50mg／L，需进行二次处理方能排放。本文通过小型试验、工业试验研究结果，探讨了过氧化氢氧化法处理酸性含氰废水的可行性。

There are more than 1900 large-scale textile factories, and according to the layout of the industry, 80% of the lanoline import distributes in Zinxiang, Inner Mongolia, Gansu, Tianjin and Jiangsu, etc. About 500,000 tons wool raw material should be imported to be used for producing wool products, and meanwhile, 16,000,000 tons of wastewater will be produced. This will both cause the pollution problems and the loss of some very important raw materials, and the loss values about 1,800,000,000 RMB and even more.

每年耗用约50万吨羊毛原料进行生产毛料产品，同时产生1600万吨洗毛废水，在污染环境、浪费水资源的同时，工业原料羊毛脂、制药原料羊毛醇、羊毛酸和化妆品重要原料羊毛油等，却随废水一起大量流失，全国每年流失总价值约为18亿元人民币以上。

The industrial magnesia and vitriol are used to produce magnesium sulfate in this paper, and the simulated wastewater is prepared using magnesium sulfate and kaolin. The flocculating effect of polyacrylamide, cationic polyacrylamide and anionic polyacrylamide is studied and compared through measurement of absorbency by spectrophotometer.

利用工业氧化镁和硫酸制备一定浓度的硫酸镁，结合高岭土配制氧化镁烟气脱硫的模拟废水，通过分光光度计吸光度测定了聚丙烯酰胺、阳离子型聚丙烯酰胺和阴离子型聚丙烯酰胺在模拟废水中的絮凝效果。

Prato is a textile and industrial city, municipal waste water contains large amounts of textile waste water.

普拉托是一个纺织工业城市，市政废水中含有大量纺织废水。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。