本文關(guān)鍵詞： 脈沖 厭氧流化床 海綿填料 生活污水 掛膜試驗　出處：《給水排水》2017年S1期 　論文類型：期刊論文

【摘要】：針對生活污水水質(zhì)特征,研究以網(wǎng)狀海綿填料及圓形懸浮填料為載體的脈沖厭氧流化床工藝,考察該工藝下填料的掛膜方法和污水處理效果;確定脈沖厭氧流化床工藝的較優(yōu)處理工況為HRT=24~30h,脈沖強度=10~15min/次,脈沖頻率=16~20次/d。試驗結(jié)果表明:厭氧流化床采用好氧預掛膜更易掛膜;網(wǎng)狀海綿填料水處理效果優(yōu)于圓形懸浮填料;HRT=24h時,脈沖進水較優(yōu)工況下COD、SS的去除率分別70.3%、88.5%,連續(xù)進水工況下COD、SS的去除率分別為67.3%、83.9%;與連續(xù)進水相比,脈沖進水水處理效果好,脈沖厭氧流化床工藝可用做生活污水預處理工藝,具有較好的工程應(yīng)用前景。
[Abstract]:According to the water quality characteristics of domestic sewage, the pulsed anaerobic fluidized bed process with reticular sponge and circular suspended filler as the carrier was studied. The optimum treatment conditions of pulsed anaerobic fluidized bed were determined as follows: HRT 24 h, pulse intensity 1015 min / time, pulse frequency 1620 times / d. The experimental results showed that the aerobic presuspending membrane was easier to form in the anaerobic fluidized bed. The removal rate of CODSS was 70.33% and 83.9% respectively under the optimal condition of pulse influent, and the removal rate of CODSS was 67.3% and 83.9% respectively under continuous influent condition, compared with continuous influent, the removal rate of CODSS was better than that of continuous influent, and the removal rate of CODSS was better than that of circular suspensions in 24 h, and the removal rate of CODSS was 70.33% and 83.9% respectively under the optimum condition of pulse influent. Pulse anaerobic fluidized bed process can be used as a pretreatment process of domestic sewage, which has a good prospect of engineering application.
【作者單位】： 中國鐵路設(shè)計集團有限公司;
【分類號】：X799.3

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