查询词典 activated sludge

For the acidified wastewater, calcium precipitation occurred mainly on the granular sludge surface; for the unacidified wastewater, accumulation occurred in the core of granular sludge, and for the unliquefied wastewater, precipitation evenly distributed within the granular sludge and on the surface.

已经酸化的废水，乙酸转化为甲烷的场所主要在颗粒污泥的外表面；对于未酸化废水，这种转化发生在颗粒污泥的核心；难酸化的废水，污泥内部存在着底物酸化的过程。

Aerobic granular sludge is a recently-discovered kind of sludge self-immobilized through autogenetic microbial activities under aerobic conditions. This kind of sludge demonstrates high settling capability, high biomass and high bio-activity that decomposes organic wastewater high in concentration.

好氧颗粒污泥是近年发现的，在好氧条件下自发形成的微生物细胞之间自身固定化的一种形式，具有良好的沉降性能、较高的生物量和在高容积负荷条件下降解高浓度有机废水的良好生物活性。

The sludge settling characteristic is satisfying with SV varying from 22 to 30 and SVI varying from 58 to 80ml/g.The sludge bulking problem has been avoided successfully. The excess sludge can be thickened to 3%-4 %. The alkalinity remains equilibrious between the nitrification and denitrification in SBR-BAF system. The COD and TP loading of SBR are 2.08kgCOD/kgMLSS·d and 41.68gTP/kgMLSS·d, respectively. The NH4+-N loading of BAF is 1.16kgNH_4~+-N/m~3.d. The total HRT is about 10 hours which is only about half of suspended growth process for simultaneous phosphorous and nitrogen removal. Under the above mentioned high loadings and short HRT, the mean removal efficiency of COD, TP, NH4+-N, TN is 96%, 98%, 93%, and 84%, respectively. The mean effluent concentration of COD, TP, NH4+-N, TN, SS is 20mg/L, 0.23 mg/L, 3.24 mg/L, 7.68 mg/L, 5 mg/L respectively, which means every index can meet the first class of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant.

最后，以上述最佳运行参数控制SBR-BAF系统运行，长期运行结果表明：系统中悬浮污泥的絮凝、沉降性能良好，SV值为22~30，SVI值为58~80，不再有污泥膨胀之虞，而且可以对剩余污泥进行重力浓缩，浓缩后污泥浓度可以达到3~4%；短程硝化和反硝化使得系统可以维持碱度平衡，无需额外补充碱度；系统在高负荷(SBR反应器COD负荷为2.08kgCOD/kgMLSS.d，TP负荷为41.68gTP/kgMLSS.d，BAF反应器NH4+-N负荷为1.16kgNH_4~+-N/m~3.d)、低水力停留时间(SBR反应器9h，BAF反应器1h，总计10h，约为同步脱氮除磷悬浮污泥工艺的一半)下稳定高效运行，对COD(不计BAF加入的外碳源)、TP、NH_4~+-N、TN的平均去除率为96%、98%、93%、84%，出水COD、TP、NH4+-N、TN、SS的平均浓度为20mg/L、0.23 mg/L、3.24 mg/L、7.68 mg/L、5 mg/L，各项水质指标均达到《城镇污水处理厂污染物排放标准》(GB 18918-2002 )一级标准的A标准的要求。

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。

We selected wuli lake, seriously polluted lake, and used long-term laboratory sludge-dredging method to compare the difference of dredged zone and undredged zone, we conducted sludge incubated experiment of two depth of dredging to analyze the difference of nutrient''s release. We investigated the budge of phosphorus monthly and monitored the concentration of phosphorus of the water simultaneously, and analysised the change of the content of phosphorus of water body and further studied the effect of sludge-dredging on the content of phosphorus in water body.

本研究以污染严重的太湖五里湖为研究对象，对室内长效模拟和疏浚区/非疏浚区比较，进行了两种不同模拟疏浚深度的底泥培养实验，同时对疏浚后环五里湖河道进行了磷出入湖量和湖面磷含量同步调查分析，分析底泥疏浚前后水体磷含量变化，结合逐月出入湖量的初步分析，研究疏浚对湖水中磷含量的影响。

Treating wastewater containing copper ion, zinc ion, Cadmium ion and lead by adsorption of alkalized active sludge, the effects on heavy metal ion by adsorption of alkalized active sludge have been studied under different conditions of the value of pH, sludge amounts, adsorptive time, concentration of heavy metals.

采用碱化活性污泥吸附去除Cu(上标 2+)、Zn(上标 2+)、Cd(上标 2+)、Pb(上标 2+) 4种重金属离子，研究了pH、污泥投加量、吸附时间、重金属离子质量浓度4种影响因素对碱化活性污泥吸附去除上述4种重金属离子的影响。

Cell cycle uncoupling indued by DNA damage;2. Effect of 5-flurouracil on cell cycle uncoupling of Jurkat and EL-4 cell lines;3. This paper studies the sludge reduction effect caused by sludge concentration,sludge retention time and temperature in the uncoupling reactors in OSA process by both single-factor and orthogonal method.

采用单因素试验和正交试验的方法分别研究了城市污水污泥减量OSA工艺中解偶联池中污泥浓度、污泥在解偶联池反应时间、解偶联池温度对污泥减量效果的影响，发现增加解偶联池污泥浓度或延长污泥在解偶联池的反应时间或增加解偶联池温度都将导致解偶联池ORP线性下降，且污泥表观产率系数Yobs与ΔORP或各因素之间分别遵循Yobs=-0。

In order to prevent the acid sludge forming during acidizing treatment for Putaohua formation in Daqing peripheral oilfield, the research on colloid and bitumen in oil, acid system, ferric ion and anti -sludge agent has been carried out to determine the possibility of sludge forming.

从立足于研究大庆外围葡萄花油层原油防止酸渣形成的方法入手，从原油胶质沥青质、酸液类型、三价铁离子和各种类型的抗渣剂等方面，考察了大庆外围葡萄花油层的原油与酸接触，形成酸渣的可能性。

According to the invention, the waste water is in a first step fed to sludge granules, after the supply of the waste water to be treated the sludge granules are fluidised in the presence of an oxygen-comprising gas, and in a third step, the sludge granules are allowed to settle in a settling step.

根据本发明，第一步，将废水供入到淤渣颗粒中，在供应完待处理的废水之后，在含氧气体存在下，流化淤渣颗粒，和第三步，在沉降步骤中，允许淤渣颗粒沉降。

The result shows that the excessive activated sludge from the domestic sewage plant can be used to serve as the original sludge for the rapid re-start-up of UASB successfully by adding appropriate scrap iron and granule active carbon to UASB.

小试连续运行实验结果表明，在UASB中加入适量铁屑和活性炭颗粒，以生活污水处理厂剩余污泥为种泥可以成功实现UASB＋SBR处理系统的快速启动，消除DO2-4对生物处理系统的影响，并在较短的时间内（21 d左右）培养出了厌氧颗粒污泥。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼