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1)  Cr (Ⅵ) in waste water
铬废水
2)  wastewater containing chromium
含铬废水
1.
Application of plant biomass in purification of wastewater containing chromium;
农林生物质在含铬废水处理中的应用
2.
Coagulation-microfiltration process for the treatment of wastewater containing chromium;
混凝-微滤膜工艺处理含铬废水
3.
Treatment of wastewater containing chromium fromlaboratory by ferrite-centrifugation technology;
铁氧体-离心分离技术处理实验室含铬废水的研究
3)  chrome tanning wastewater
铬鞣废水
1.
Chromic sulfate was recovered from chrome tanning wastewater by precipitation, f locculation and purification.
以铬鞣废水为研究对象,通过沉淀、絮凝、纯化等处理方法,将铬鞣废水中高含量的铬回收为硫酸铬,使铬鞣废水达标排放。
2.
The Cr(Ⅵ)was enriched and recovered by the water in oil in water(W/O/W)double emulsion from the oxided chrome tanning wastewater.
采用W/O/W双重乳液对氧化处理过的铬鞣废水中的铬(Ⅵ)进行富集与回收。
4)  chrome plating wastewater
镀铬废水
1.
Recovery of chromium in chrome plating wastewater and application in chrome tanning;
铬废水中铬的回收及在铬鞣中的应用
5)  chromium-containing wastewater
含铬废水
1.
Study on the treatment of chromium-containing wastewater by sulphonated peat coal;
磺化泥炭吸附处理含铬废水的研究
2.
Pretreatment of chromium-containing wastewater with steel slag and solidification of waste steel slag and chromium residue;
钢渣预处理含铬废水及其废渣与铬渣的固化
3.
Research on the adsorptive treatment of chromium-containing wastewater by active carbon;
活性炭对含铬废水的吸附处理研究
6)  waste water containing chromium
含铬废水
1.
It is discussed that the method on treating waste water containing chromium by different kinds of peat.
重点阐述了用不同类型的泥炭处理含铬废水的效果,论证了净化能力以泥炭藓泥炭为最佳,其次是高有机质的草本泥炭。
2.
Based the relevant literature,the progress of treatment of waste water containing chromium by ion-exchange method and adsorption method was analyzed, and some advise and emphases in the field of research for the two methods application to treat chromium-containing wastewater were put forward.
通过对目前含铬废水不同处理方法的比较,认为离子交换法及吸附法是效果较佳的处理方法。
补充资料:铬废水电化学处理
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性质:铬酸水深液是工业中常用的氧化剂,随意排放将严重污染环境。电化学法处理的优点是规模大小适应性强、减少二次污染、便于控制和自动化。铬含量较高的废水,可采用阳极氧化Cr (Ⅲ) 至Cr (Ⅵ)回收循环使用。而铬含量较少的废水,电解法采用铁阳极,通电时铁溶解生成Fe2+(阴极产生氢和OH-),与废水中残留的CrO2-4反应,生成Fe3+和Cr3+,从而进一步反应Fe (OH)3和Cr (OH)3的共沉淀,毒性较低,可填埋处理,该法可除去废水中≤1毫克/升之铬。

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