除磷

A denitrifying dephosphatation process was operated in this study.

研究了反硝化除磷工艺的运行效果。

This paper is to study the operation parameter and affecting factors in the process of denitrifying phosphorus removal with nitrite as electronic receptor.

目的 研究以亚硝酸盐为电子受体的反峭化除磷工艺中的运行参数以及影响因素。

With the rapid development of the industrialization and urbanization, as well as the promotion of comprehensive sewage discharge Standards, it is practical Significance to study and exploit the denitrifying phosphorus removal process which is economical, reliable and effective.

随着工业化和城镇化的快速发展，以及污水综合排放标准的不断提高，研究开发经济有效、运行可靠，占地小的同步脱氮除磷工艺具有非常重要的现实意义。

The results showed that C/N ratio had great effect on denitrifying dephosphatation.

在厌氧/缺氧(A2)SBR反应器中考察了C/N比对反硝化除磷效果的影响。

High nitrate concentration could promote efficiency of denitrifying phosphorus removal, but it had limitation.

好氧段的存在不会使诱导形成的DNPA消失，但缩短好氧时间有助于提高DNPA在除磷中的比例。

Beneficial bacteria, it is with the characteristic of ammonification, nitrification, denitrification, desulfidation and dephosphorylation, etc., its growth is very quickly, it has the good efficiency for degrading water quality factor, it can well reduce ammonia and nitrogen, degrade nitrite, increase the dissolved oxygen in water, activate water quality, rich water, purify water, adjust water color, increase the transparency of water, restrain the reproduction of pathogen, prevent diseases of fish, by using this product for long term, can restore the water-ecological balance destroyed by slathering disinfector, antibiotics, form the advantage community, improve the water quality quickly, keep the good water ecological balance, decrease the disk of breeding, increase the benefit of breeding.

具有氨化、硝化、反硝化、脱硫除磷等生理特性，生长快，对水质因子降解效能高，可有效降低氨氮、降解亚硝酸盐、增加水中溶氧、活化水质、肥水、净水、调整水色、增加水体透明度、抑制病原菌繁殖、预防细菌性鱼病发生、长期使用本品可有效修复因大量使用消毒剂、抗生素等破坏的水生态平衡，形成优势种群，快捷改善水质质量，维持水体良性生态平衡。达到健康养殖、生态防病的目的，降低养殖风险，提高养殖效益。

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。

The study indicate that it is theoretically feasible that applying the optimized model of nitrogen and phosphor removal activated-sludge process established in the paper to municipal wastewater treatment plant designing and calculating

研究表明：用本文创建的活性污泥脱氮除磷系统优化模型来进行城市污水处理厂的工艺设计计算在理论上可行，用Mauab平台开发的优化设计程序ODP在实践上有继续深入研究开发的价值，具有良好的应用前景。

According to development of the activated-sludge process and the mechanism theories of IAWQ-ASM, a whole frame model, a systematic mathematics model and an expense target function model were established in this paper, which were used for on...

本文根据污水处理活性污泥法工艺的发展趋势，基于IAWQ-ASM机理模型理论，建立了一套完整的用于活性污泥法脱氮除磷A2／O工艺系统方案设计的框架模型、系统数学模型以及费用目标函数模型，并将其整合为一个数学最优规划问题予以求解。

All above works represent some exploring and creative effort to upgrade level and efficiency for design of activated-sludge process.According to development of the activated-sludge process and the mechanism theories of IAWQ-ASM, a whole frame model, a systematic mathematics model and an expense target function model were established in this paper, which were used for on...

本文根据污水处理活性污泥法工艺的发展趋势，基于IAWQ-ASM机理模型理论，建立了一套完整的用于活性污泥法脱氮除磷A2／O工艺系统方案设计的框架模型、系统数学模型以及费用目标函数模型，并将其整合为一个数学最优规划问题予以求解。

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。