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首页> 外文会议>International Water Association(IWA) Conference; 20050518-20; Xi'an(CN) >Different pollutants removal efficiencies and pollutants distribution with particle size of wastewater treated by CEPT process
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Different pollutants removal efficiencies and pollutants distribution with particle size of wastewater treated by CEPT process

机译：CEPT工艺处理的废水不同粒径下的污染物去除效率和污染物分布

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摘要

The removal efficiency of different pollutants of wastewater treated by Chemically Enhanced Primary Treatment (CEPT) process and pollutants distribution with particle size were studied in this paper. The distributions of contaminants with particle size were studied using synthetic cellulose esters micro-porous filtering membrane of different porous size to separate the wastewater and samples after coagulation in sequence. Turbidity, UV_(254), COD, total phosphorus and ammonia nitrogen of the samples were measured. The results showed that the removal efficiency of the pollutants and their distributions with particle size are closely related. For contaminants in wastewater associated with particles larger than 1.2μm, the removal efficiency is very high; on the contrary, it is difficult for CEPT to remove particles smaller than 0.2μm. The removal capability of CEPT also correlates to the pollutants characteristics. Therefore CEPT has effective removal efficiency for total phosphorus and pollutants associated with particles larger than 1.2μm.
机译：研究了化学强化一级处理（CEPT）工艺处理的不同污染物的去除效率以及污染物的粒径分布。采用不同孔径的合成纤维素酯微孔滤膜，按顺序将混凝后的废水与样品分离，研究了污染物的粒径分布。测量样品的浊度，UV_（254），COD，总磷和氨氮。结果表明，污染物的去除效率及其与粒径的分布密切相关。对于与大于1.2μm的颗粒相关的废水中的污染物，其去除效率非常高；相反，CEPT很难去除小于0.2μm的颗粒。 CEPT的去除能力也与污染物的特性有关。因此，CEPT对与大于1.2μm的颗粒有关的总磷和污染物具有有效的去除效率。

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