常用深度除磷脫氮工藝在污水處理方面的優(yōu)勢比選

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【摘    要】： 將城鎮(zhèn)污水處理廠深度除磷脫氮幾種常用工藝進(jìn)行優(yōu)勢比選，包括反硝化生物濾池、反硝化深床濾池、氣浮、磁混凝高效沉淀池及其衍生的幾種組合工藝，明確反硝化生物濾池脫氮+氣浮除磷的組合工藝在處理效果、投資及成本方面均有明顯優(yōu)勢。

【關(guān)鍵詞】： 深度除磷脫氮；反硝化生物濾池；反硝化深床濾池；氣??；磁混凝高效沉淀池；污水處理

【中圖分類號】：X703 【文獻(xiàn)標(biāo)志碼】：C 【文章編號】：1008-3197（2023）06-49-03

【DOI編碼】：10.3969/j.issn.1008-3197.2023.06.014

Optimization of Deep Phosphorus & Nitrogen  Removal Process in Urban Sewage Treatment Plant

LIU Zhijuan， CHEN Ming， LAI Wenjiang

（China United Engineering Corporation Limited，Hang Zhou 310052， China）

【Abstract】：This article compared several kinds of deep phosphorus & nitrogen removal processes in urban sewage treatment plant， include denitrifying biological filter， denitrifying deep bed filter， air flotation， magnetic coagulation high efficiency sedimentation tank and their combined processes， and discovered that the process of denitrifying biological filter + air flotation has obvious advantages in removal efficiency， investment and cost.

【Key words】：deep phosphorus & nitrogen removal；denitrifying biological filter；denitrifying deep bed filter；air flotation；magnetic coagulation high efficiency sedimentation tank；sewage treatment

過量的植物性營養(yǎng)元素氮、磷排入水體會加速水體的富營養(yǎng)化過程[1]。（剩余4795字）