浙江大学学报(农业与生命科学版)
浙江大學學報(農業與生命科學版)
절강대학학보(농업여생명과학판)
2001年
2期
145-150
,共6页
厌氧颗粒污泥%五氯酚%厌氧生物降解%动力学%外加碳源
厭氧顆粒汙泥%五氯酚%厭氧生物降解%動力學%外加碳源
염양과립오니%오록분%염양생물강해%동역학%외가탄원
在分批培养条件下研究了颗粒污泥降解五氯酚(PCP)的过程特性。结果发现PCP可序列还原脱氯形成2,4,6-TCP，2,4-DCP，4-CP或苯酚，其过程可用Monod方程来拟合,通过分析降解产物，指出了PCP厌氧脱氯降解的历程。外加碳源如丁酸和葡萄糖可有效地刺激PCP的厌氧脱氯降解，丁酸诱导颗粒污泥产生新的脱氯活性，降解过程遵循一级反应动力学，降解速度常数随外加碳源浓度的增加而增大
在分批培養條件下研究瞭顆粒汙泥降解五氯酚(PCP)的過程特性。結果髮現PCP可序列還原脫氯形成2,4,6-TCP，2,4-DCP，4-CP或苯酚，其過程可用Monod方程來擬閤,通過分析降解產物，指齣瞭PCP厭氧脫氯降解的歷程。外加碳源如丁痠和葡萄糖可有效地刺激PCP的厭氧脫氯降解，丁痠誘導顆粒汙泥產生新的脫氯活性，降解過程遵循一級反應動力學，降解速度常數隨外加碳源濃度的增加而增大
재분비배양조건하연구료과립오니강해오록분(PCP)적과정특성。결과발현PCP가서렬환원탈록형성2,4,6-TCP，2,4-DCP，4-CP혹분분，기과정가용Monod방정래의합,통과분석강해산물，지출료PCP염양탈록강해적역정。외가탄원여정산화포도당가유효지자격PCP적염양탈록강해，정산유도과립오니산생신적탈록활성，강해과정준순일급반응동역학，강해속도상수수외가탄원농도적증가이증대
Experiments conducted on batch serum bottle have confirmed thatanaerobic granular sludge AGSR1 and AGSR2 are capable of sequentially degrading PCP to form 2,4,6-TCP 2,4-DCP and 4-CP with higher dechlorination activity, and indicated preferential dechlorination at meta. and ortho position. By analyzing dechlorinating intermediates, the pathway of PCP degradation have been proposed, it is found that the modified Monod model could be used to describe the PCP degradation. Addition of electron donor such as butyrate and glucose enhanced dechlorinative degradation of PCP. In the presence of butyrate the para -dechlorinating activity in AGSR1 is induced, PCP dechlorination by anaerobic granules is best described by pseudo first-order kinetics. The rate constant of PCP degradation is increased with increasing concentration of butyrate.
