查询词典 wastewater

A scheme based on the reactor of iron/car bon-coagulation and precipitation process was adopted to treat the mixe d electroplating wastewater with capacity of four cubic meters per hour.

采用铁屑／炭反应器-混凝沉淀工艺处理某电镀厂规模为4 m3／h的电镀混合废水。

Spirulina is a filamentous cyanobacterium with a high content of proteins, and can utilize organic substrates for mixotrophic growth under light illumination. There is a attractive application potential in tertiary wastewater treatment for the microalgae.

螺旋藻是一种高蛋白含量的丝状蓝绿藻，能在光照下利用有机物进行混合营养生长，在废水的三级处理中是一种极有应用潜力的微藻。

In order to recover Mo and Cu,the acidic from the production process of molybdic ammonium was disposed by DK macropous cation exchange resin,AH compex resin and general cation exchange resin,respectively.Other heavy metals in wastewater were deposited by adding ammonia liquor in the proess.

钼酸铵[分子式为(NH4)2Mo4O13·2H2O或(NH4)6Mo7O24·4H2O]是石油化学工业和高分子合成工业催化剂、陶瓷彩釉和颜料、特殊分析试剂和药物以及生产金属钼丝、片等的重要原料[1]，工业上通常采用将精钼砂焙烧、硝酸浸洗、氨水浸出、净化和加酸沉淀等一系列工艺流程。

Pingxiang Iron and Steel Co., Ltd. has developed a de-cyanide pretreatment technology with molysite, but the concentration of CN - at a range of 10～18 mg/L in the wastewater after treating is still too high as for germ in dephenolization. The influence o...

根据对活性污泥的驯化过程对脱酚活性污泥影响的研究，得出适于细菌生存繁殖的运行参数为磷酸二氢钠加入量 12kg/d以上，葡萄糖 9kg/d以上，自沉污泥指数约 2 0mL/10 0mL ，回流污泥指数约 30mL/10 0mL ，温度为 2 5～35℃。

A filamentous fungus was screened out from heavy metal wastewater and numbered YM32,which showed resistance to lead ion and high Pb2+ adsorptive ability,through primary identification it belonged to monilia sp.

从含重金属废水中筛选出一株对铅离子有一定耐受性、吸附处理效率高的丝状真菌菌株，编号为YM3-2，经初步鉴定，它为丛梗孢属真菌。

Employing HP-8-8 polyacrylic resins as a porous multimolecular carrier for fixed cultivation of sludge,experimental investigation of wastewater treating was carried out by means of fluidization with biofilm sequencing batch reactor.

采用HP88型聚丙烯酸酯类多孔高分子载体对污泥实行固定化培养，以流态化方式进行生物膜SBR 废水处理试验研究。

The EM sludge with digested sludge as seed could enhance the removal efficiency of ammonia and nitrogen in wastewater, because the rate of nitrify reaction was much more quickly, and the nitrify time was less than 3hr half of the routine active sludge.

而EM污泥脱氮效果较差。(9)两种污泥中EM引种污泥对磷的降解效果较好，与常规活性污泥对照，降解率增幅达5%~10%；而EM污泥对磷的去除率低，低于常规污泥反应器。

A submerged membrane sequencing batch bioreactor was used to treat coke wastewater.Long running performance showed that due to the membrane interception,the nitrobacter is enriched in reactor in the interest of improving the nitrification rate;the maximum ammonia nitrogen loading can be 0.19 kg/(m3·d) with effluent ammonia nitrogen＜1 mg/L (removal rate 99%).Long sludge retention time may result in the accumulation of metabolic products and high molecular materials,and thus inhibiting activity of nitrate bacteria and causing a ccumulation of NO2-,which is beneficial to the running of short-cut denitrif ication.However,too long retention time will affect the activity of nitrite bacteria,detrimental to the treatment effect of ammonia nitrogen.

采用浸没式膜生物反应器处理焦化废水的试验结果表明：膜的截留作用可使硝化菌在反应器内富集而有利于提高系统的硝化能力，其去除氨氮的最高负荷为0.19kg/(m3·d)，出水氨氮＜1mg/L(去除率为99%)；泥龄长可能使微生物的代谢产物或其他大分子物质积累，从而抑制硝酸盐细菌的活性，导致NO2-积累而有利于短程脱氮的进行，但泥龄过长也会影响亚硝酸盐细菌的活性，从而影响对氨氮的处理效果。

A submerged membrane sequencing batch bioreactor was used to treat coke wastewater.Long running performance showed that due to the membrane interception,the nitrobacter is enriched in reactor in the interest of improving the nitrification rate;the maximum ammonia nitrogen loading can be 0.19 kg/(m3·d) with effluent ammonia nitrogen＜1 mg/L (removal rate 99%).Long sludge retention time may result in the accumulation of metabolic products and high molecular materials,and thus inhibiting activity of nitrate bacteria and causing a ccumulation of NO2-,which is beneficial to the running of short-cut denitrif ication.However,too long retention time will affect the activity of nitrite bacteria,detrimental to the treatment effect of ammonia nitrogen.

简介： 采用浸没式膜生物反应器处理焦化废水的试验结果表明：膜的截留作用可使硝化菌在反应器内富集而有利于提高系统的硝化能力，其去除氨氮的最高负荷为0.19kg/(m3·d)，出水氨氮＜1mg/L(去除率为99%)；泥龄长可能使微生物的代谢产物或其他大分子物质积累，从而抑制硝酸盐细菌的活性，导致NO2-积累而有利于短程脱氮的进行，但泥龄过长也会影响亚硝酸盐细菌的活性，从而影响对氨氮的处理效果。

The method of treating high concentration, nitrophenol wastewater with high salt content is studied, and resin adsorption and electro oxidation is adopted.

研究了高浓度、高含盐的硝基苯酚废水治理方法。采用树脂吸附及电解氧化进行试验研究。

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。