废水

Using H2SO4 as acidulant,chromic sulfate with high purity was obtained by crystallization,which was applied to leather industry as chrome tanning agent .

将电镀废水中的六价铬还原成Cr，用化学沉淀法和絮凝法将其转化为Cr3沉淀，通过硫酸酸化，结晶为高纯硫酸铬，作为皮革工业的铬鞣剂。

The dyes wastewater of magenta fuchsine、acid chrome ming blue RRN and acid chrome fast red S-80 are all characterized by high COD Cr ,high colority,complication of organic components, and they are not easy to be biodegrated.

碱性品红，酸性媒介藏青RRN，酸性媒介红S—80，三种染料废水均具有高CODCr、高色度、有机物含量复杂且不易被微生物降解等特点。

The chrome tanning agent was prepared with some wastewater produced from perfume factories contained high concentration organic acid as reducing agent and masking agent by which part of glucose was replaced.

利用香料厂排放的高浓度有机酸废水部分代替葡萄糖作还原剂和蒙囿剂，制备铬鞣剂，并对制备出的鞣剂的理化性能及鞣制性能，进行综合分析。

It is feasible to take lead chrome yellow production technology to treat and reclaim the wastewater.

结论］采用铅铬黄生产工艺对废水进行回收治理是切实可行的。

The feasibility analysis of lead chrome yellow production technology showed that the concentration of total lead in the wastewater was 0.018 mg/L and the concentration of chrome was 4.160×10^(-8) nig/L, which both accorded with the discharge standards.

结果］铅铬黄生产工艺的可行性分析表明，废水中的总铅浓度为0.018 mg/L，铬的浓度为4.160×10^(-8) mg/L，均符合排放标准。

The assistant materials in lead chrome yellow production such as Al2 (SO4)3, nitric acid, caustic soda and lead nitrate solution were taken as medicaments to treat the wastewater from pigment production and the treatment effect was compared with that by ferrous sulfate method.

方法］用Al2(SO4)3、硝酸、烧碱和硝酸铅溶液等铅铬黄生产原辅材料作为药剂，治理颜料生产废水，并与硫酸亚铁还原法的治理效果进行比较。

The method was applied to quantitative separation and determination of trace chromium in water.

方法可用于环境水样和废水中微量铬的测定。

And the products are for chromium electroplating wastewater treatment and recycling.

本产品也用于电镀及含铬废水的处理和回收等。

UV-Vis scan and GC-MS analysis showed that some chromophore group and conjugated double bonds can be removed.

实验结果表明，UBF＋BAF＋微电解的组合工艺是处理染料废水的一种有效方法。

In this paper, under the condition of systematic discussing the endangerment of waste water including phenol ,the present treatment method, the mechanism of photocatalytic of TiO2 semiconductor and the reaction of magnetic chymistry, a new method of taking off phenol is proposed:photocatalytic degradation of phenol by TiO2 coupling with magnetic field.

本文在系统的论述了含酚废水的危害及其处理技术、半导体TiO2光催化和磁化学反应的机理的基础之上，提出了磁场-TiO2光催化耦合降解水中苯酚的新方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。