| 1 |  | 
																													
																						|  |  RAO Yuanhong. Present situation and development trend of municipal sludge resource utilization[J]. China Resources Comprehensive Utilization ,2022 ,40 (7):91-93. doi:10.3969/j.issn.1008-9500.2022.07.029 | 
																													
																						| 2 |  SKALSKY D S, DAIGGER G T . Wastewater solids fermentation for volatile acid production and enhanced biological phosphorus removal[J]. Water Environment Research ,1995 ,67 (2):230-237. doi:10.2175/106143095x131402 | 
																													
																						| 3 |  | 
																													
																						|  |  LI Dongna, MA Xiaojun . Mechanism and research progress of acid synthesis during sludge anaerobic fermentation[J]. Biomass Chemical Engineering ,2020 ,54 (2):51-60. doi:10.3969/j.issn.1673-5854.2020.02.008 | 
																													
																						| 4 |  HU Andong, CHENG Xiaoyuan , WANG Chao ,et al. Extracellular polymeric substances trigger an increase in redox mediators for enhanced sludge methanogenesis[J]. Environmental Research ,2020 ,191 :110197. doi:10.1016/j.envres.2020.110197 | 
																													
																						| 5 |  YUAN Feiyi, SUN Yi , JIANG Xiupeng ,et al. Dioctyl phthalate enhances volatile fatty acids production from sludge anaerobic fermentation:Insights of electron transport and metabolic functions[J]. Science of the Total Environment ,2023 ,859 :160102. doi:10.1016/j.scitotenv.2022.160102 | 
																													
																						| 6 |  WAN Juanjuan, ZHANG Lijuan , JIA Boyu ,et al. Effects of enzymes on organic matter conversion in anaerobic fermentation of sludge to produce volatile fatty acids[J]. Bioresource Technology ,2022 ,366 :128227. doi:10.1016/j.biortech.2022.128227 | 
																													
																						| 7 |  | 
																													
																						|  |  LIU Guohua, WANG Jian , QI Lu ,et al. Study on regulating anaerobic fermentation for producing short-chain fatty acids from primary sludge in WWTPs by different bio-enzymes[J]. China Environmental Science ,2022 ,42 (5):2195-2203. doi:10.3969/j.issn.1000-6923.2022.05.024 | 
																													
																						| 8 | 国家环境保护总局水和废水监测分析方法编委会. 水和废水监测分析方法[M]. 北京:中国环境科学出版社,2002:836. | 
																													
																						| 9 |  GRADY C P L Jr,  GLEN T D,  NANCY G L,et al. Biological wastewater treatment[M]. Florida:CRC Press Inc.,1980:43. | 
																													
																						| 10 |  | 
																													
																						|  |  HOU Yinping, CAI Binbin , ZHANG Anlong ,et al. Research on promoting sludge cracking and the biogas production efficiency of anaerobic digestion by different pretreatment methods[J]. Journal of Shaanxi University of Science & Technology ,2022 ,40 (2):13-19. doi:10.3969/j.issn.1000-5811.2022.02.003 | 
																													
																						| 11 | 陈金. 超声波促进城市污泥水解效果研究[D]. 成都:西南交通大学,2011. | 
																													
																						|  |  CHEN Jin. Study on the effect of ultrasonic wave on hydrolysis of municipal sludge[D]. Chengdu:Southwest Jiaotong University,2011. | 
																													
																						| 12 |  TIEHM A, NICKEL K , ZELLHORN M ,et al. Ultrasonic waste activated sludge disintegration for improving anaerobic stabilization[J]. Water Research ,2001 ,35 (8):2003-2009. doi:10.1016/s0043-1354(00)00468-1 | 
																													
																						| 13 | 崔丁维,胡学超,包姗姗,等. 酶法破碎微生物细胞的研究进展[J]. 微生物学通报,2010,37(11):1672-1678. | 
																													
																						|  |  CUI Dingwei,  HU Xuechao,  BAO Shanshan,et al. Research progress in enzymatic disruption of microbial cells[J]. Microbiology China,2010,37(11):1672-1678. | 
																													
																						| 14 | 辛晓东. 酶溶剩余污泥发酵产酸效能与机制研究[D]. 哈尔滨:哈尔滨工业大学,2018. | 
																													
																						|  |  XIN Xiaodong. Study on the efficiency and mechanism of acid production by enzymatic hydrolysis of excess sludge[D]. Harbin:Harbin Institute of Technology,2018. | 
																													
																						| 15 |  PARMAR N, SINGH A , WARD O P . Enzyme treatment to reduce solids and improve settling of sewage sludge[J]. Journal of Industrial Microbiology and Biotechnology ,2001 ,26 (6):383-386. doi:10.1038/sj.jim.7000150 | 
																													
																						| 16 | 毕东苏,郑广宏,陆烽. 剩余污泥厌氧发酵过程中氮的转化规律与计量关系[J]. 生态环境,2008,17(4):1403-1406. | 
																													
																						|  |  BI Dongsu,  ZHENG Guanghong,  LU Feng. Change and metrology relationships of nitrogen during anaerobic fermentation of excessive sludge[J]. Ecology and Environment,2008,17(4):1403-1406. | 
																													
																						| 17 | 陈小粉,李小明,杨麒,等. 淀粉酶促进剩余污泥热水解的研究[J]. 中国环境科学,2011,31(3):396-401. | 
																													
																						|  |  CHEN Xiaofen,  LI Xiaoming,  YANG Qi,et al. Promoting thermal hydrolysis of excess sludge with external amylase[J]. China Environmental Science,2011,31(3):396-401. | 
																													
																						| 18 |  XU Yunfeng, HU Hui , LIU Jianyong ,et al. pH dependent phosphorus release from waste activated sludge:Contributions of phosphorus speciation[J]. Chemical Engineering Journal ,2015 ,267 :260-265. doi:10.1016/j.cej.2015.01.037 | 
																													
																						| 19 |  ZOU Jinte, LI Yongmei . Anaerobic fermentation combined with low-temperature thermal pretreatment for phosphorus-accumulating granular sludge:Release of carbon source and phosphorus as well as hydrogen production potential[J]. Bioresource Technology ,2016 ,218 :18-26. doi:10.1016/j.biortech.2016.06.060 | 
																													
																						| 20 |  ÖRMECI B, AARNE VESILIND P . Effect of dissolved organic material and cations on freeze-thaw conditioning of activated and alum sludges[J]. Water Research ,2001 ,35 (18):4299-4306. doi:10.1016/s0043-1354(01)00174-9 | 
																													
																						| 21 |  BAHREINI G, NAZARI L ,HO D,et al. Enzymatic pre-treatment for enhancement of primary sludge fermentation[J]. Bioresource Technology ,2020 ,305 :123071. doi:10.1016/j.biortech.2020.123071 | 
																													
																						| 22 |  SKALSKY D S, DAIGGER G T . Wastewater solids fermentation for volatile acid production and enhanced biological phosphorus removal[J]. Water Environment Research ,1995 ,67 (2):230-237. doi:10.2175/106143095x131402 | 
																													
																						| 23 |  LUO Jingyang, FENG Leiyu , ZHANG Wei ,et al. Improved production of short-chain fatty acids from waste activated sludge driven by carbohydrate addition in continuous-flow reactors:Influence of SRT and temperature[J]. Applied Energy ,2014 ,113 :51-58. doi:10.1016/j.apenergy.2013.07.006 | 
																													
																						| 24 | 吴昊,张盼月,郭建斌,等. 动物消化机制用于木质纤维素的厌氧消化[J]. 环境科学,2013,34(2):810-816. | 
																													
																						|  |  WU Hao,  ZHANG Panyue,  GUO Jianbin,et al. Anaerobic digestion of lignocellulosic biomass with animal digestion mechanisms[J]. Environmental Science,2013,34(2):810-816. |