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imidacloprid pesticide wastewater
相关语句
  吡虫啉农药废水
     A study on catalysts for catalytic wet oxidation of high concentration imidacloprid pesticide wastewater
     高浓度吡虫啉农药废水催化湿式氧化催化剂
短句来源
     Study on Catalytic Wet Oxidation of High Concentration Imidacloprid Pesticide Wastewater
     催化湿式氧化处理高浓度吡虫啉农药废水的研究
短句来源
     Catalytic wet oxidation of imidacloprid pesticide wastewater
     催化湿式氧化吡虫啉农药废水的研究
短句来源
     The results showed that the appropriate temperature was 190 ℃. Copper nitrate exhibited higher COD removal efficiency for imidacloprid pesticide wastewater, while existing the problem of leaching of Cu~(2+) or Ce~(4+).
     结果表明,采用湿式氧化技术处理吡虫啉农药废水的适宜操作温度为190℃,硝酸铜对吡虫啉农药废水虽有较高的催化活性,但存在Cu2+和Ce4+的溶出;
短句来源
     MethodsThe catalytic wet air oxidation of imidacloprid pesticide wastewater were studied in the 2L autoclave.
     方法采用湿式氧化法在2L反应釜中处理吡虫啉农药废水
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  “imidacloprid pesticide wastewater”译为未确定词的双语例句
     Study on the pretreatment of imidacloprid pesticide wastewater by alkaline hydrolysis-microelectrolysis process
     碱解—微电解工艺对吡虫啉农药生产废水预处理的研究
短句来源
  相似匹配句对
     Synthesis Methods of Pesticide Imidacloprid
     吡虫啉的合成方法
短句来源
     Kinetics and mechanism of pesticide imidacloprid hydrolysis
     新农药吡虫啉水解动力学和机理研究
短句来源
     Study on Treatment of Imidacloprid Pesticide Production Wastewater
     吡虫啉农药生产废水治理工艺的研究
短句来源
     Catalytic wet oxidation of imidacloprid pesticide wastewater
     催化湿式氧化吡虫啉农药废水的研究
短句来源
     The Pesticide Microencapsule
     微胶囊农药新剂型
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Catalytic wet oxidation of imidacloprid pesticide wastewater were studied on a 2 L autoclave. Influences of temperature,nitrate and copper-cerium oxides catalysts were investigated. The results showed that the appropriate temperature was 190 ℃. Copper nitrate exhibited higher COD removal efficiency for imidacloprid pesticide wastewater, while existing the problem of leaching of Cu~(2+) or Ce~(4+). Cu/Ce catalysts prepared by co-precipitation exhibited better activity than that of copper nitrate or...

Catalytic wet oxidation of imidacloprid pesticide wastewater were studied on a 2 L autoclave. Influences of temperature,nitrate and copper-cerium oxides catalysts were investigated. The results showed that the appropriate temperature was 190 ℃. Copper nitrate exhibited higher COD removal efficiency for imidacloprid pesticide wastewater, while existing the problem of leaching of Cu~(2+) or Ce~(4+). Cu/Ce catalysts prepared by co-precipitation exhibited better activity than that of copper nitrate or cerium nitrate.Some measures for controlling leaching of Cu~(2+) and Ce~(4+) and optimizing reaction conditions and design and preparation of the catalysts were discussed.

采用湿式氧化法在2L反应釜中处理吡虫啉农药废水,研究温度、硝酸盐和Cu/Ce复合金属氧化物作催化剂对废水氧化程度的影响。结果表明,采用湿式氧化技术处理吡虫啉农药废水的适宜操作温度为190℃,硝酸铜对吡虫啉农药废水虽有较高的催化活性,但存在Cu2+和Ce4+的溶出;通过共沉淀法制备了一系列Cu/Ce催化剂,用于催化湿式氧化吡虫啉农药废水。Cu/Ce催化剂对吡虫啉农药废水具有较好的催化活性;优化催化剂的设计和制备方法,不但可以提高COD的去除率,而且可有效降低Cu2+和Ce4+的溶出量,使该类催化剂具有广阔的使用前景。

Aim To affect COD removal efficiency of wastewater by using copper and cerium oxide catalysts.MethodsThe catalytic wet air oxidation of imidacloprid pesticide wastewater were studied in the 2L autoclave.ResultsThe activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.Conclusion Some measures of controlling the leaching of Cu~(2+) and Ce~(4+),changing the reaction condition and optimizing the design and make of catalysts were discussed.The catalysts would...

Aim To affect COD removal efficiency of wastewater by using copper and cerium oxide catalysts.MethodsThe catalytic wet air oxidation of imidacloprid pesticide wastewater were studied in the 2L autoclave.ResultsThe activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.Conclusion Some measures of controlling the leaching of Cu~(2+) and Ce~(4+),changing the reaction condition and optimizing the design and make of catalysts were discussed.The catalysts would have wide application prospect if the leaching could be controlled.

目的研究Cu/Ce复合金属氧化物对废水催化氧化程度的影响。方法采用湿式氧化法在2L反应釜中处理吡虫啉农药废水。结果Cu/Ce复合氧化物催化剂对吡虫啉农药废水具有较高的催化活性。结论优化催化剂的设计和制备方法,不但可以提高COD的去除率,而且可有效的降低Cu2+和Ce4+的溶出量,使该类催化剂具有广阔的使用前景。

Imidacloprid pesticide wastewater is a kind of typical organic wastewater.Containing the persistent organic pollutants with high concentration,it is difficult to be directly degraded only by bio-treatment,and it needs physico-chemical process as its pretreatment before bio-treatment.In this experiment,alkaline hydrolysis-microelectrolysis process is used as main pretreatment technology for this pesticide wastewater.This method could reduce the concentration of organic pollutants effectively;also,it...

Imidacloprid pesticide wastewater is a kind of typical organic wastewater.Containing the persistent organic pollutants with high concentration,it is difficult to be directly degraded only by bio-treatment,and it needs physico-chemical process as its pretreatment before bio-treatment.In this experiment,alkaline hydrolysis-microelectrolysis process is used as main pretreatment technology for this pesticide wastewater.This method could reduce the concentration of organic pollutants effectively;also,it could increase the biodegradability of the wastewater,and create favorable conditions for the subsequent bio-treatment.The optimal conditions of the pretreatment are determined as follows: alkaline hydrolysis-temperature is 70 ℃,pH 13 and reaction time 2 h;microelectrolysis-pH 3-4 and reaction time 3 h.After the pretreatment,the removal rates of COD and chroma are about 65% and above 90%,respectively.The ratio of BOD5 to COD is increased to about more than 0.25,and the biodegradability of the wastewater has been improved evidently.

吡虫啉农药生产废水是一种典型的高浓度难降解有机废水,可生化性差,需采用物化法作为其预处理手段。实验采用碱解—微电解作为吡虫啉农药生产废水的主要预处理工艺,能有效地降低废水中有机物浓度,使预处理出水的可生化性大大提高,保证其后续生化处理的有效进行。实验表明,碱解最佳条件:温度70℃,pH 13,反应时间2 h;微电解最佳条件:pH 3 ̄4,停留时间3 h。预处理出水的COD总去除率为65%左右,色度的去除率达90%以上,m(BOD5)∶m(COD)提高到0.25以上,可生化性大大提高。

 
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