- 相關推薦
超聲與堿聯合預處理剩余污泥中溫兩相厭氧消化
摘要: 以長春西郊污水處理廠(A/O工藝)剩余活性污泥為研究對象,考察了超聲與生石灰聯合預處理對后續剩余污泥兩相中溫厭氧消化的影響.結果表明:聯合預處理的剩余污泥經過厭氧消化后,平均VS去除率約為49.4%,污泥含水率從97.6%降低至93.8%.SEM分析表明兩相反應器內污泥絮體被充分破壞.厭氧消化過程中在產酸相和產甲烷相內,NH4-N濃度均有提高,但是沒有出現磷的顯著釋放. Abstract: Based on municipal waste activated sludge(WAS) obtained from Xijiao WWTP (A/O process) in Changchun, the effects of combined pretreatment of ultrasound together with CaO were investigated on subsequent two-phase mesophilic anaerobic digestion. The results indicate that the average volatile solids (VS) reduction is approximately 49.4%, and moisture content of effluent sludge decreases from 97.6% to 93.8% after anaerobic digestion. The sludge flocs are completely broken down in two phases by scanning electron microscopy (SEM) analysis. NH4-N concentrations in two phases are enhanced during anaerobic digestion. However, there exists no significant phosphorus release in two phases. 作 者: 尹軍 張立國 劉蕾 林英姿 趙純廣 YIN Jun ZHANG Li-guo LIU Lei LIN Ying-zi ZHAO Chun-guang 作者單位: 尹軍,林英姿,YIN Jun,LIN Ying-zi(哈爾濱工業大學,市政環境工程學院,黑龍江,哈爾濱,150090;吉林建筑工程學院,環境工程系,吉林,長春,130021)張立國,劉蕾,ZHANG Li-guo,LIU Lei(哈爾濱工業大學,市政環境工程學院,黑龍江,哈爾濱,150090)
趙純廣,ZHAO Chun-guang(吉林建筑工程學院,環境工程系,吉林,長春,130021)
期 刊: 中山大學學報(自然科學版) ISTICPKU Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS SUNYATSENI 年,卷(期): 2007, 46(z1) 分類號: X703 關鍵詞: 中溫 厭氧消化 剩余活性污泥 超聲預處理 堿預處理 兩相 Keywords: mesophilic anaerobic digestion waste activated sludge(WAS) ultrasonic pretreatment alkaline pretreatment two-phase【超聲與堿聯合預處理剩余污泥中溫兩相厭氧消化】相關文章:
出于污泥而不染作文11-26
(精選)出于污泥而不染作文12-22
出于污泥而不染作文04-20
常見的堿的教案01-04
職業測評:測你在職場中的討人厭指數03-13
污泥有機負荷對TP去除的影響11-13
其他污水預處理方式有哪些02-03
關于某人貪得無厭的說說貪得無厭的句子10-26
荒山變“氧吧”02-29
天然氧吧作文10-04