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為了結(jié)合社會主義新農(nóng)村建設(shè)的生活污水處理,使污水能夠在厭氧消化后充分利用,設(shè)計了一種氣動UASB反應(yīng)器,以城市生活污水為基質(zhì)對其進行氣動實驗研究。設(shè)計依據(jù)為:氣動力使污泥懸浮,增加選擇壓,有利于傳質(zhì)且不像水動力循環(huán)那樣降低反應(yīng)器內(nèi)濃度。實驗條件:室溫為15~21℃,進水溫度為11~19℃,進水pH為7.5~8.5。實驗啟動期歷時51 d,反應(yīng)器內(nèi)產(chǎn)生顆粒污泥,出水COD去除率達到60%以上,啟動成功。
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Process Biochemistry 37 (2002) 915– 920 Air sparging of a submerged MBR for municipal wastewater treatment In-Soung Chang, Simon J. Judd * School of Water Sciences, Cran?eld Uni 6ersity , Bedfordshire , MK 43 0AL , UK Accepted 8 October 2001 Abstract The performance of a submerged tubular membrane bioreactor (MBR) adopting two coarse bubble aeration (sparging) modes is reported. In the ?rst mode,