The affecting factors of the continuous-flow two-sludge system for simultaneous biological phosphorus and nitrogen removal were investigated in order to decide on the best working state of the system.
目的为了深入研究连续流双污泥反硝化同时除磷系统的主要影响因素，确定系统最佳运行条件。
Microorganisms of the activated sludge in SBR phosphorus removal system and their functions have been studied.
考察了SBR生物除磷工艺模型中活性污泥的微生物组成及其在该除磷系统中的功能。
There are still some shortages in the application of chemical phosphorus removal system such as expensive chemicals, high operating cost and the production of a large quantity of sludge.
在我国应用化学除磷的主要问题是药剂价格昂贵、运行费用较高且化学污泥量大。
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