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气田废水
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  gas field sewage
     Determination of Trace Amounts of Arsenic in Gas Field Sewage by Hydride Generation-Atomic Fluorescence Spectrometry
     氢化物发生—原子荧光光谱法测定气田废水中的痕量砷
短句来源
     Determination of Trace Amounts of Lead in Gas Field Sewage by Hydride Generation——Atomic Fluorescence Spectrometry
     氢化物发生——原子荧光光谱法测定气田废水中的痕量铅
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     This method obtained a satisfactory result for determining code sample and trace amounts of arsenic in gas field sewage.
     测定密码标样与气田废水中的痕量砷 ,获得了满意的结果
短句来源
     This method obtained a satisfactory result for determining code sample and trace amounts of lead in gas field sewage.
     测定密码标样与气田废水中的痕量铅 ,获得了满意的结果。
短句来源
  gas-field wastewater
     Results show that the main pollutant CODcr removal rates of gas-field wastewater are 50%~60% when take this technique as first-order reaction,while CODcr removal rates can reach 70%~80% when as secondary reaction. In addition,this process requires simple facilities and no additional chemical agent.
     实验结果表明,电解絮凝法处理气田水,作为一级处理COD cr去除率可达到50%~60%,作为二级处理COD cr去除率可达到70%~80%,其工艺具有不需投加任何化学药剂、操作简单的特点,为气田废水的治理提供了一条新途径。
短句来源
  “气田废水”译为未确定词的双语例句
     The Determination of CODcr in Gasfield Sewage by Automatic Potentiometric Method.
     利用自动电位滴定方法测定气田废水中的COD
短句来源
     The Determination of C1~- in Gasfield Sewage by Automatic Potentiometric Method
     自动电位滴定法测定气田废水中的C1~-
短句来源
     Study Report of Sludge Dehydration
     气田废水处理中产生的污泥脱水工艺实验研究
短句来源
     Treatment of Gas Field Wasted Waters and Its Prospect
     气田废水处理及展望
短句来源
     Testing and Verification of Automatic Potentiometric Method of Chemical Oxygen Demand in Gasfield Sewage
     气田废水中的COD_(Cr)值自动电位滴定分析方法验证
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  相似匹配句对
     Treatment of Gas Field Wasted Waters and Its Prospect
     气田废水处理及展望
短句来源
     Technology of Disposal of Waste-Water
     废水处理技术
短句来源
     NITRIFICATION OF WASTEWATER
     废水的硝化作用
短句来源
     THE DISPOSITION OF OILFIELD WASTEWATER BY ELECTROCOAGULATION
     电解絮凝法处理气田废水实验研究
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     Economic Problems of Gas Fields
     气田经济问题
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Directing against the current situation in preventing pollution of wasted water in Sichuan gas field, from the sources of wasted water to its quantity, from the kind of pollutant to its content, from the wasted water drainage to its harm to the environment and from the methods of processing wasted water to the environment benefit obtained, this paper makes a comprehensive review, propects the foreground in preventing pollution of gas field wasted water in future, and using the result obtained from research,...

Directing against the current situation in preventing pollution of wasted water in Sichuan gas field, from the sources of wasted water to its quantity, from the kind of pollutant to its content, from the wasted water drainage to its harm to the environment and from the methods of processing wasted water to the environment benefit obtained, this paper makes a comprehensive review, propects the foreground in preventing pollution of gas field wasted water in future, and using the result obtained from research, presents some appro-aches possible to resolving the problems of current pollution of gas field wasted water.

本文针对四川气田防治废水污柒的现状,从废水的来源到废水数量,从污染物类型到污染物含量,从废水排放到对环境造成的危害,从治理废水使用的方法到收到的环境效益,作了全面的回顾;展望了今后防治气田废水污染的前景,并结合科研工作所取得的成就,提出了解决当前气田废水污染问题的一些可能途经。

The application of chemical methods in treating the wasted gas field waters is increasing dayvby day. Gas field waters containing S~(-2) from 20 to 200mg/l are treated by using oxidants such as KMnO_4 H_2O_2 and CaCl(OCl), and the treated waters contain S~(2-)less than 4mg/l. By using precipitation method and lime-ferric salt neutralization method to treat the drainage, the content of poisonous heavy metal Cd~(2+),Pb~(2+) and As etc. reaches a ideal requirement. This paper introduces the test and auplication...

The application of chemical methods in treating the wasted gas field waters is increasing dayvby day. Gas field waters containing S~(-2) from 20 to 200mg/l are treated by using oxidants such as KMnO_4 H_2O_2 and CaCl(OCl), and the treated waters contain S~(2-)less than 4mg/l. By using precipitation method and lime-ferric salt neutralization method to treat the drainage, the content of poisonous heavy metal Cd~(2+),Pb~(2+) and As etc. reaches a ideal requirement. This paper introduces the test and auplication of these techniques.

化学法在气田废水处理中的应用与日俱增。四川气田应用KMnO_4、H_2O_2、CaCl(OCl)氧化剂处理S~(2-)含量在20~100mg/l的气田水,出水S~(2-)含量<4mg/l;采用沉淀法和石灰铁盐中和法使排放水中的Cd~(2+)、Pb~(2+)、砷等有毒重金属含量达到了理想要求。本文介绍了这些工艺方法的试验和应用。

The automatic potentiometric method gives sensitive and accurate results on the COD determinatuiion of gas field wastewater,where 716 DMS Titrino instrument is used.The lower detectable limit, precision,and accuracy of this measurement procedure are measured and compared with standard measurement method (potassium dichromat method) both on standard sample and actual sample.The results show that the lower detectable limit,coefficient of variance,and mark-on recovery are 5.13mg/l,3.8% and 99.4%~101% respectively,which...

The automatic potentiometric method gives sensitive and accurate results on the COD determinatuiion of gas field wastewater,where 716 DMS Titrino instrument is used.The lower detectable limit, precision,and accuracy of this measurement procedure are measured and compared with standard measurement method (potassium dichromat method) both on standard sample and actual sample.The results show that the lower detectable limit,coefficient of variance,and mark-on recovery are 5.13mg/l,3.8% and 99.4%~101% respectively,which is better than the standard measurement method.The two methods have given conformable results both on standard sample and actual sample.

利用电位滴定法在716DMS型自动电位滴定仪上实现对气田废水中的COD值灵敏、准确测定。对方法的检出限、标样和实际水样测定的精密度、准确度,进行了全面的分析,并与标准重铬酸钾法进行了对比。COD值的检出限为5.13mg/l,相对标准偏差小于3.8%,加标回收率在99.4%~101%范围内,优于标准重铬酸钾法,对同一标样和实际样品的测定两种方法的结果吻合较好。

 
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