污泥厌氧发酵产酸技术研究进展  

Research progress on acid production technology of sludge anaerobic fermentation

作　　者：叶红梅 刘祖文 田帅[1] YE Hong-mei;LIU Zu-wen;TIAN Shuai(School of Resource and Environmental Engineering,Jiangxi University of Science and Technology,Ganzhou 341000,China;School of Life Sciences,Jinggangshan University,Ji’an 343009,China;Ganzhou Key Laboratory of Basin Pollution Simulation and Control,Jiangxi University of Science and Technology,Ganzhou 341000,China)

机构地区：[1]江西理工大学资源与环境工程学院,江西赣州341000 [2]井冈山大学生命科学学院,江西吉安343009 [3]江西理工大学赣州市流域污染模拟与控制重点实验室,江西赣州341000

出　　处：《应用化工》2023年第2期588-594,共7页Applied Chemical Industry

基　　金：国家自然科学基金资助项目(52160019)。

摘　　要：阐述了污泥厌氧发酵产酸的机理;归纳了污泥厌氧发酵产酸的影响因素:C/N、温度、pH、污泥停留时间、污染物等,并指明控制污泥厌氧发酵体系C/N比为20~30,温度为25~40℃,pH为10,污泥停留时间为5~10 d以及合适的污染物浓度有利于SCFAs积累;综述了共发酵和联合预处理这两种污泥厌氧发酵产酸技术的最新研究进展,两种产酸技术均可显著提高SCFAs产量;最后提出了当前研究存在的不足,并对未来的研究方向做出了展望,旨在为污泥处理与处置、厌氧消化实现资源最大化提供参考。The mechanism of sludge anaerobic fermentation to produce acid was described.The influencing factors of sludge anaerobic fermentation acid production were summarized, such as C/N,temperature, pH, sludge residence time and pollutants, and it was pointed out that the C/N ratio of sludge anaerobic fermentation system was 20~30,the temperature was 25~40 ℃,the pH was 10,the sludge residence time was 5~10 d and the appropriate pollutant concentration was conducive to the accumulation of SCFAs.The latest research progress of the anaerobic fermentation technology of sludge, co-fermentation and combined pretreatment, was reviewed.Both of the two technologies could significantly increase the yield of SCFAs.At last, the shortcomings of the current research were put forward, and the future research directions were prospected, in order to provide reference for maximizing the resources of sludge treatment and disposal and anaerobic digestion.

关 键 词：剩余污泥 厌氧发酵产酸 共发酵 联合预处理 

分 类 号：TQ09[化学工程] X703[环境科学与工程—环境工程]