查询词典 activated-sludge process

In order to research the relations of carbon sources to structure of PHAs, six kinds of PHAs sample were synthesized by activated sludge with six different carbon sources respectively in the aerobic-anaerobic-anoxic process. Their structures were determined by 〓HNMR、〓CNMR and GC-MS. When the carbon source was acetate, the unit composition of PHAs was 93. 91mol％ 3-hydroxybutanoic acid and 6. 09mol％ 3-hydroxypentanoic acid ; When the carbon source was propionate, the unit composition of PHAs was 28. 66mol％ HB, 63. 13mol％HV, 2. 55mol％ 2-methy-3-hydroxy-butanoic acid (2MHB) and 5. 66mol％ 2-methyl-3-hydroxypentanoic acid (2MHV); When the carbon source was 80％ butyrate and 20％ 1, 4-butanediol, the unit composition of PHAs was 65. 03mol％ HB, 28. 06mol％HV, 1. 91mol％2MHB, 2. 69mol％ 2MHV, 0.73mol％ 4-hydroxy butanoic acid (4HB), 0.78mol％ 4-methyl-3-hydroxy-pentanoic acid (4MHV), 0.80mol％ 3-hydroxyhexanoic acid ; When the carbon source was 20％ butyrate and 80％ 1, 4-butanediol, the unit composition of PHAs was 61. 39mol％ HB, 23. 01mol％HV, 4. 58mol％2MHB, 5. 97mol％ 2MHV, 0.91mol％ 4HB, 2. 37mol％ 4MHV, 1. 77mol％ HHx; When the carbon source was 60％ pentanoate and 40％glucose, the unit composition of PHAs was 41. 24mol％ HB, 58. 76mol％HV; When the carbon source was 60％ benzoate and 40％ glucose, the unit composition of PHAs was 65. 48mol％ HB and 34. 52mol％ HV.

为了研究不同碳源与产物PHAs结构的关系，采用好氧-厌氧-缺氧模式利用6种不同碳源培养活性污泥得到6种不同的PHAs样品，通过〓HNMR、〓CNMR和GC-MS谱图确定了这6种PHAs的单体成分和比例：以乙酸钠培养活性污泥得到的PHAs的单体组成是93.91mol％3-羟基丁酸和6.09mol％3-羟基戊酸；以丙酸钠培养活性污泥得到的PHAs的单体组成除28.66mol％HB、63.13mol％HV外，另外还有2.55mol％3-羟基2-甲基丁酸（2MHB）和5.66mol％3-羟基2-甲基戊酸（2MHV）；以80％丁酸钠和20％1，4-丁二醇混合溶液培养活性污泥得到的PHAs含有七种单体组成：65.03mol％HB，28.06mol％HV，1.91mol％2MHB，2.69mol％2MHV，0.73mol％4-HB（4-羟基丁酸），0.78mol％4MHV（3-羟基-4-甲基戊酸），0.80％HHx（3-羟基己酸）；以20％丁酸钠和80％1，4-丁二醇培养活性污泥所得到的PHAs含有与3#样品相同的七种单体，只是比例不同，分别是61.39mol％，23.01mol％，4.58mol％，5.97mol％，0.91mol％，2.37mol％，1.77mol％；以60％戊酸钠和40％葡萄糖培养活性污泥所得到的PHAs由HB和HV组成，比例是41.24 mol％∶58.76 mol％；以60％苯甲酸钠和40％葡萄糖培养活性污泥所得到的PHAs也由HB和HV组成，比例是65.48 mol％∶34.52 mol％。

The strategy and controller are coming from combined analysis of combustion mechanism, generation mechanism of pollutants, influential elements, present application status of PID control method in combustion, as well as sum-up of controlling experience and contradistinctive researches of control strategies. It is shown that this method, when applied to furnace temperature controlling and activated-sludge process, is able to ensure controlling objects tracking in the presence of varying operation conditions, as verified via computer simulation. The thesis consists of chapters as following: Chapter 1 generalizes the research objective and brings forward the inferior theme; generation mechanisms of pollutants

本论文由以下章节组成：第1章对研究课题作了综述，提出了研究的子课题；第2章分析探讨污染物生成机理及二次污染物产生的条件，研究了控制污染的工程控制策略；第3章分析研究了仿人智能控制基本理论及其优越性；第4章通过仿真实验验证了仿人智能控制算法在炉膛温度控制中的有效性；第5章分析研究了有效防止二次污染的烟气处理方法；第6章通过仿真实验验证了仿人智能控制算法在废水生化处理中的可靠性和有效性；第7章总结了全文研究工作并对今后的工作作了展望。

One of the main content of the paper is the biological reaction kinetics of the activated sludge process.

活性污泥生物反应动力学是本文最主要的研究内容之一。

Since operation variables of activated sludge process have distinct effects on the microfauna communities (here defined as protozoan and metazoan), their community structure can be used to indicate and assess the WWTP operation performance.

活性污泥工艺运行状态对微型生物的种群结构具有显著影响，可利用微型生物种群结构来指示和评价污水处理厂运行，且有利于建立面向种群优化的控制系统。

The relativity between biodegradability and nonyl branches structure for the isomers of nonylphenol is studied by the sequencing batch activated sludge process for NP accumulating behavior analyses in water environment.

为分析壬基酚在环境中的积累行为，基于间歇活性污泥实验和质谱解析方法，结合环境水体中NP检测分析，研究了污水生物处理过程中壬基酚同分异构体的生物降解差异与壬基分支结构的相关性。

Inhibition to activated sludge process by 2-naphthol was also investigated by Warburg respirometer to verify the conclusion drawn from Rank Cell respirometer test. 2-Naphthol in low concentration was biodegradable, hence resulted in the acceleration of respiration, while in higher concentration 2-naphthol would dramatically inhibit microorganisms respiration on account of high K〓 and electron density.

用Warburg呼吸仪研究了2-萘酚对活性污泥过程的抑制作用，验证了RankCell呼吸仪的研究结论，发现低浓度下2-萘酚自身能被生物降解而使活性污泥中微生物呼吸速率升高；浓度增加后2-萘酚因良好的脂溶性和强亲核能力而对活性污泥过程产生强抑制。

Finally, the wastewater is biochemically treated by activated sludge process, and the parameter of effluent can meet the Government Discharging Standard.

0.6。最后用活性污泥法对该废水进行生化处理，可使出水指标达到国家排放标准。

This paper describes a removal process for ethanethiol in a packed bed of the immobilized activated sludge pellets.

采用改进聚乙烯醇法制成的固定化活性污泥颗粒填充生物滴滤池，考察在不同的进气流量和进气浓度时，生物滴滤塔对乙硫醇恶臭气体的净化效率、抗冲击负荷能力以及连续运行稳定性。

Firstly, we chose ASM1 which was used successfully as the model platform after looking back the history of the activated sludge models. This research set up a simulation system of Anoxic-Oxic nitrogen removal process with modeling methods of IWA and Visual Basic computer software.

本文首先回顾了活性污泥数学模型的发展历程，选取目前应用较为成熟的ASM1作为建模平台，运用国际水协的建模思想，以Visual Basic计算机语言编制了A/O脱氮工艺的模拟系统。

The nitrosification of suspended activated sludge of SBBR one-step completely nitrogen removal process could be defined as the first order reaction.

单级自养脱氮系统中悬浮态活性污泥的亚硝化反应可以近似按一级反应表示，反应速率随生物量的增加而增加。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044