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甲醛废水
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  formaldehyde wastewater
     Treatment of formaldehyde wastewater by anaerobic acidification-SBR process
     厌氧酸化—SBR法处理甲醛废水
短句来源
     It is the first choice in pretreament of formaldehyde wastewater by lime (Ca(OH)_2) to catalyze the formaldehyde into carbohydrate.
     以石灰(Ca(OH)_2)为催化剂,使甲醛聚合成糖类的方法为甲醛废水前处理的首选。
短句来源
     Optimal Selection of Pretreatment Methods of Formaldehyde Wastewater
     甲醛废水前处理方法的选择
短句来源
     Study on Treatment of High Concentration Phenol and Formaldehyde Wastewater by Photocatalytic Oxidization
     光催化氧化法处理含高浓度苯酚、甲醛废水的研究
短句来源
     Air striping method adapts to high concentration formaldehyde wastewater and if the formaldehyde concentration is lower than 2000 mg/L, it will spend longer time and is not economical.
     吹脱法除甲醛适合于高浓度甲醛废水,2000mg/L以下的甲醛废水的吹脱费时过长,也不经济。
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  formaldehyde waste
     Study on the Treatment of Phenol and Formaldehyde Waste Water Using Fenton Reagent
     Fenton试剂处理苯酚和甲醛废水的研究
短句来源
  “甲醛废水”译为未确定词的双语例句
     Study on formaldehyde containing wastewater catalytic oxidation degradation by Fenton reagent
     Fenton试剂氧化降解含甲醛废水的研究
短句来源
     Experimental Study of Photocatalytic Oxidation of Formaldehyde over TiO_2 modified with Fe~(3+)
     Fe~(3+)改性TiO_2光催化降解甲醛废水试验研究
短句来源
     It can make the formaldehyde concentration lower from 741 mg/L to 150 mg/L within 20 minutes when the pH value is 11, the mol ration between HCHO and KMnO_4 is 1:0.9. The pH value behaves strong influence on the reaction.
     当溶液pH值为11、甲醛与高锰酸钾的摩尔比为1:0.9时,反应20分钟,即可将甲醛浓度从741mg/L降低到150mg/L以下,pH值对高锰酸钾法氧化处理甲醛废水的影响最大。
短句来源
     Kinetics and Reaction Pathways for Formaldehyde-containing Wastewater Wet Oxidation with Hydrogen Peroxide
     含甲醛废水的过氧化氢湿式氧化及其反应动力学
短句来源
     Study on Photocatalytic Oxidation of Formaldehyde in Wastewater
     光催化氧化法处理甲醛废水的研究
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It is difficult to treat high concentration and large amount of cyanide-containing wastewater from chemical plant with instutational methods. Our studies indicated that with the help of the reaction that free cyanide under certain conditions reacts with the formaldehyde discharged simultaneously from the chemical plant, to form low toxic organic cyanide which can be easily oxided by tamed microorganisms, thus free cyanide and formaldehyde coued be treated simultaneously. This technique has been used to production,...

It is difficult to treat high concentration and large amount of cyanide-containing wastewater from chemical plant with instutational methods. Our studies indicated that with the help of the reaction that free cyanide under certain conditions reacts with the formaldehyde discharged simultaneously from the chemical plant, to form low toxic organic cyanide which can be easily oxided by tamed microorganisms, thus free cyanide and formaldehyde coued be treated simultaneously. This technique has been used to production, and certain economic and environmental efficiencies have been cotained. This technique is worth in the treatment of cyanide-containing wastewater.

化工厂排出的含氰废水,浓度高,水量大。用一般的方法处理比较困难,不易达到排放标准。本文提出利用化工厂同时排出的甲醛废水和含氰废水,使高浓度的甲醛在一定条件下和游离氰化物定量进行化学反应,生成毒性低,易于生物降解的有机腈化物,再利用驯化的微生物菌种进行生物处理,使废水中的游离氰化物和甲醛同时得到处理,取得了较好的结果。本文提出的研究成果,已应用于生产,并取得了较好的经济效益和环境效果。在含氰废水处理方面有一定的实用价值。

This paper reports the treatment of water containing formaldehyde with WO3 photocatalyst. Under best condition, the remove efficencies of COD is 65.46% after illumination for four hours.This method opens up the new way of treatment of waste water containing fomaldehyde.

本文报道了用WO3光催化含甲醛的水体的研究结果.在最佳条件下,光照4小时,其COD去除率达65.46%,这种方法开辟了用光催化法处理含甲醛废水的新途径.

The testing principle and technical method on treatment of wastewater containing high concentration of phenol and formaldehyde by means of inflammation method are introduced. Good results have been obtained from the simulated experiment and pilot run.The lump-sum investment and working expense of the method is low. Also it takes up less space and has higher removal ratio. More over, it leaves lee-way for recovery of phenol and formaldehyde from wastewater in future.

论述了燃烧法处理高浓度含苯酚、甲醛废水的原理及技术方法。该法一次性投资低,占地少,操作简单,运作费用低,去除效果明显,同时为回收废水中酚醛的技术留有余地,具有良好的推广应用前景。

 
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