1) biological nitrogen and phosphorus removal
生物除磷脱氮
1.
This paper detaily discussed the technical principle of activated-sludge process and the reaction mechanism of biological nitrogen and phosphorus removal in anaerobic period,anoxic period and aerobic period.
本文系统详细的论述了活性污泥法的工艺原理以及生物除磷脱氮工艺的厌氧、缺氧、好氧反应阶段的反应机理。
2) biological phosphorus and nitrogen removal
生物除磷脱氮
1.
It was suggested that for the biological phosphorus and nitrogen removal system without primary clarifier, net process yield Y_n or total yield coefficient Y_(BOD) should be used, which was capa.
详细分析了几种产率系数表达形式的具体含义及适用性,指出如果沿用设置初沉池时的f值进行无初沉池生物除磷脱氮系统的工程设计,会带来约 40% ~60%的误差,建议不设初沉池时生物除磷脱氮系统应采用能综合反映系统性能的净过程产率系数Yn或总产率系数YBOD,并对国内部分城市污水处理厂的实际运行数据进行了分析。
3) biological removal of nitrogen and phosphorous
生物除磷脱氮
1.
The operating mode of biological removal of nitrogen and phosphorous by three basins alternately operating activated sludge process was presented in this paper.
介绍了 3池交替运行活性污泥法进行生物除磷脱氮的运行模式 ,从理论上探讨了溶解氧、污泥龄等运行参数的确定与控制及碳源、硝酸盐对工艺生物除磷脱氮的影响。
4) biological nitrogen and phosphorus removal
生物脱氮除磷
1.
with the A2/O process,a pilot test system for enhancing biological nitrogen and phosphorus removal by using the A2/O-membrane bioreactor(A2/O-MBR)was constructed and used to treat municipal wastewater.
将日本东丽株式会社生产的平板膜组件与A2/O工艺相结合,构建了A2/O—膜生物反应器(A2/O—MBR)强化生物脱氮除磷中试系统,并用于处理城市污水。
2.
Tests on biological nitrogen and phosphorus removal by a spiral up-flow reactor (SUFR) system were described in this paper.
利用螺旋升流式反应器 (SpiralUp FlowReactor,SUFR)系统进行了生物脱氮除磷的试验研究 ,该系统连续稳定运行两个月的结果表明 ,对TN、TP和COD的去除率分别达 86 %、96 %和 94 %以上 。
3.
The current research results and progress on the mechanism of biological nitrogen and phosphorus removal from municipal sewage from home and abroad were reviewed.
对近年来国内外城市污水生物脱氮除磷工艺机理的研究成果进行了综述 ,介绍了几种常见的生物脱氮除磷工艺 ,并从生物脱氮除磷系统内微生物群体动态平衡的角度详细论述了生物脱氮除磷工艺的影响因素 。
6) biological nutrient removal
生物脱氮除磷
1.
General situation studying on new technology of biological nutrient removal is summarized,such as the principle of denitrifying dephosphataion and factors affecting it,such as pH,DO,SRT,MLSS etc.
并对反硝化除磷、同时硝化与反硝化、短程硝化反硝化、厌氧氨氧化等生物脱氮除磷新技术的相关工艺及其特点进行了评述。
2.
It is a focal problem in conventional biological nutrient removal that denitrifying bacteria compete with phosphate accumulating organisms(PAO) for limited dissolved organisms.
反硝化菌和聚磷菌在同一系统中竞争少量可溶性有机物引起的矛盾一直是传统生物脱氮除磷工艺的焦点问题 。
3.
This thesis examined the feasibility of using fermentative Short-chain Fatty Acids (SCFA, which was produced from waste activated sludge affected by surfactant) as the carbon sources of biological nutrient removal (BNR) system, Which has been focused in the research of the metabolic mechanism of nitrogen, phosphorus, SCFA, polyhydroxyalkanoates (PHAs), glycogen et al.
本论文研究了以阴离子表面活性剂促进剩余污泥发酵产生的酸作为碳源用于生物脱氮除磷系统的可行性，重点考察不同工况下氮、磷、短链脂肪酸(SCFA)、聚β-羟基烷酸(PHAs)、糖原等物质在生物脱氮除磷系统的代谢特征。
补充资料：A2/O生物除磷脱氮法
分子式：
CAS号：
性质：(厌氧、缺氧/好氧)法是在A2/O（厌氧/好氧）法基础上增加一个缺氧段（A），在缺氧过程中，微生物大量吸附厌氧过程释放的磷和原废水中的磷，在细菌细胞体内合成聚磷酸盐而贮存起来，最后通过沉淀池的剩余污泥排放而达到除磷的目的。A2/O系统的特点是污泥龄长，剩余污泥量少，运行稳定，而冲击负荷。
CAS号：
性质：(厌氧、缺氧/好氧)法是在A2/O（厌氧/好氧）法基础上增加一个缺氧段（A），在缺氧过程中，微生物大量吸附厌氧过程释放的磷和原废水中的磷，在细菌细胞体内合成聚磷酸盐而贮存起来，最后通过沉淀池的剩余污泥排放而达到除磷的目的。A2/O系统的特点是污泥龄长，剩余污泥量少，运行稳定，而冲击负荷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条