查询词典 wastewater

A new method,that dyeing wastewater is treated by nonequilibrium plasma produced by high voltage pulse,is proposed.

提出了用高压毫微秒脉冲产生的非平衡等离子体处理印染废水的方法。

These exceptions include cases where the nonmunicipal water or wastewater system does not meet health and safety standards—such as failing septic systems—or cases where service extension would improve system-wide operations or efficiency.

这些例外包括非城市用水和废水没有到达健康和安全标准-比如没有化粪池的系统-或者延伸服务可以提升系统范围的运行和效率的情况。

Landfill leachate is a kind of high concentration,slowly biodegradable organic wastewater with quantity of organic pollutants, heavy metals, virus and nosogenetic bacteria.

垃圾渗滤液是城市生活垃圾在卫生填埋或堆放过程中产生的一种高浓度难降解的有机废水，渗滤液中有机物浓度含量高、成份复杂、存在重金属离子及大量病毒和致病菌。

In the situation of varied water quality of influent, membrane permeate COD was all less than 20mg/L, NH〓-N was less than 1mg/L and turbidity was less than 1 NTU. Because the membrane surface formed gel layer in the filtration process, which reduced membrane pore size efficiently removed nosogenetic germ and virus and attained the demand of water quality standard in wastewater reuse.

在进水水质波动的情况下，膜出水COD值均小于20mg/L，NH〓-N小于1mg/L，浊度小于1NTU；由于在过滤过程中膜面形成了凝胶层，起到了减小膜孔径的作用，从而达到致病菌和病毒的有效去除，能够满足污水回用于杂用水时对水质的要求。

Oenanthe javanica was satisfied the requirements. In a low temperature of 10~15 ℃, Oenanthe javanica was used to static purify the nitrogen and phosphate in the simulative aquaculture wastewater.

结果表明，在10℃~15 ℃低温条件下，水芹对水体中的氨氮和磷酸盐具强烈吸收作用。4 d中，水芹对3组不同质量浓度污水中氨氮和磷酸盐的去除率分别为：A组79.5%和31.9%，B组82.6%和48.8%，C组99.1%和72.7%。

Ban's byproduct is traditional food in China,it'll produce high concentration organical water during the production .In this paper ,we use 4000 m3 one step anaerobic process to treat the wastewater which quantity is

豆制品是我国的传统食品，在豆制品生产过程中产生的高浓度有机废水，采用4000m3一级厌氧处理杭州某豆制品厂1500m3/d的豆制品废水。

It has been a difficult problem to figure out efficient methods in treating coking plant wastewater because the degradation is difficult. Homogeneous Fenton reagent is one of oxidation methods which applies H_2O_2 as oxidation and Fe~(2+) as catalyst. In reaction,·OH is one of free radicals with excellent oxidizability.

Fenton试剂法是一种采用过氧化氢为氧化剂、以亚铁盐为催化剂的均相催化氧化法，反应中产生的·OH是一种氧化能力很强的自由基，能氧化废水中有机物，从而降低废水的色度和COD值。

To obtain a flocculant which could effectively remove dyes from dyeing wastewater , the amphoteric polymer was prepared by copolymerization of acrylamide, acrylic acid, cationic monomer and dmethyldiallylammonium chloride or acryloyl oxyethyl trimethyl ammonium chloride.

为制备一种对染色废水有显著脱色效果的絮凝剂，采用溶液聚合法，将两种阳离子单体二甲基二烯丙基氯化铵和丙烯酰氧乙基三甲基氯化铵分别与丙烯酰胺，丙烯酸共聚，合成了两性聚合物。

Both wastewater feeding and sludge wastage were controlled by peristaltic pumps and timers.

废水输送和污泥量通过蠕动泵和定时器来控制。

Abstract— Three types of organic pollutants, phenol, phenylamine and dimethyl phthalate as the law of the wastewater treatment were researched with ECS.

文 摘 采用自制的电催化装置研究了苯酚、苯胺和邻苯二甲酸二甲酯三种有机污染物的废水处理规律。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。