铬污染
- 网络chromium pollution
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铬污染是重金属污染的一部分,制革业的铬污染尤其严重,鉴于此,国家重点基础研究发展计划973项目(No.2007CB407306)已立项,并在进行中。
Chromium pollution is part of Heavy metals pollution , while it is particularly serious in tanning industry . In view of that , the Projects 973 of National Key Basic Research Program ( No.2007CB407306 ) has been approved and in progress .
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环境中铬污染对人体免疫功能的影响
The effect of environmental chromium pollution on human immune function
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在铬污染治理中,将毒性极强的Cr(Ⅵ)还原为毒性较小的Cr(Ⅲ)是减少铬污染危害的关键。
The reduction of quite toxic hexavalent chromium into less toxic trivalent chromium is the key for the detoxification of chromium .
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铬污染土壤修复过程中土壤细菌群落多样性的RFLP分析
RFLP analysis bacterial communities of remedied chromium-contaminated soil by different methods
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由于长期污染河流下部渗透介质始终处于厌氧环境,其中富含还原性物质,Cr(Ⅵ)可以通过沉淀反应大部分得以去除,所以污染的河流不是地下水铬污染的来源。
So the Cr (ⅵ) can be removed by sedimentation action , and the polluted rivers are not the source of the Cr pollution in groundwater .
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用生物修复技术来处理受铬污染的土壤,利用自然界中微生物,通过生物还原反应,将Cr(VI)还原成三价铬。
Chromium - contaminated soil is treated by bio - remediation technology in this paper . Using microorganisms in nature , Cr ( VI ) can be reduced to Cr (ⅲ) by bio - reducing reaction .
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分别用堆肥、零价铁、堆肥-零价铁作为反应介质,对PRB处理铬污染地下水的可行性和有效性进行了研究。
With compost , ZVI , and ZVI-compost as reaction media respectively , the feasibility and effectiveness of Cr-polluted groundwater by PRB were studied .
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结果表明,使用KMC鞣剂具有操作方便,成革质量稳定和明显减轻废水中的铬污染等优点,而且鞣革成本不高于制革厂自配的铬鞣液。
The chrome pollution has been obviously reduced in waste water , in addition , the tanning processing cost of KMC is similar to chrome tanning liquor prepared by tannery .
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本文作者查阅了国外常见的低铬污染鞣制法的文献,在此基础上,通过试验确定了切实可行的使用FK-Ⅱ柔软型聚合物鞣剂预鞣的低铬污染鞣制工艺。
Abstract Having refered to a great deal of preference on foreign popular less chrome pollution tannage methods , the authors determined the technology of feasible less chrome pollution tannage through several experiments .
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二维叠加电场电动修复铬污染土壤的研究
2D Cross Electric Field for Electrokinetic Remediation of Chromium Contaminated Soil
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铬污染土壤中Cr~(6+)的测定
Cr ~ ( 6 + ) determination of soil polluted by chromium
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交换电极法强化电动修复铬污染土壤
Improvement in electrokinetic remediation of chromium contaminated soil with polarity exchange technique
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铬污染地区环境对植物生长的影响
Effects of Plant Growth in the Soil Polluted by Chromium
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络合剂对铬污染土壤电动修复作用的影响
Influence of Complexes on Electrokinetic Remediation in Chromium Contaminated Soil
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南京某合金厂土壤铬污染研究
Chromium contamination in the soil from an alloy steel factory in Nanjing
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低浓度铬污染土壤与餐厨垃圾混合堆肥研究
Research of Aerobic Co-composting of Low Concentration Chromium-Contaminated Soil and Food Wastes
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地下水铬污染原位电化学动力修复技术试验研究
Experimental Study on In-situ Electrokinetic Remediation of Chromium Contaminated Groundwater
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防铬污染皮化新材料应用探讨
Application of New-type Leather Chemical of Lower Chrome Pollution
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环境中铬污染已成为农业生产中的一大问题。
Chromium contamination in environment has become a major issue in agricultural production .
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功能皮革化学品与无废铬污染鞣革的研究
Study on Functional Leather Chemicals and No-waste Chrome Tannage
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水体铬污染的防治
The Prevention and Cure of the pollution by Chromium
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施加不同电压对铬污染黄棕壤电动过程的影响
Electrokinetic treatment of a chromium contaminated yellow brown soil as affected by voltage
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零价铁对铬污染底泥的修复及其对微生物群落结构的影响
Remediation of chromium-contaminated sediments by zero-valent iron and its effects on microbial community structure
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青海省境内湟水流域六价铬污染成因及变化分析
Pollution causes and dynamical analysis on six-valence chromium in the Huangshui river drainage area
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城市河流中铬污染的迁移
Transport of chromium as pollutant in urban river
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铬污染土壤中六价铬的测定
Determination of hexavalent chromium in some contaminated soil
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制革工业中铬污染及防治
Chromiun Pollution and Control in the Leather-making Industry
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制革铬污染的防治方法综述
Summary on Measures of Preventing the Chromium Pollution
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铬污染土壤修复技术研究进展
Recent developments in the remediation of chromium-contaminated soil
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熊岳地区大米、玉米中铜、锌、铬污染情况调查
Contamination Investigation of Copper , zinc , chromiun in Rice and Maize in Xiong yue