酒精废醪液中温沼气发酵的研究  

Study on Mesophilic Biogas Fermentation from Alcoholic Wastewater

作　　者：徐晓伟[1] 尹芳[1] 徐锐[1] 李建昌[1] 刘士清[1] 陈玉保[1] 张无敌[1] 

机构地区：[1]云南师范大学可再生能源材料先进技术与制备教育部重点实验室生物能源持续开发利用教育部工程研究中心云南省生物质能与环境生物技术重点实验室,云南昆明650092

出　　处：《酿酒科技》2009年第10期95-97,共3页Liquor-Making Science & Technology

基　　金：云南省科技厅节能减排科技创新工程(2008KA004)资助

摘　　要：薯类淀粉酒精废醪液固液分离后,其滤液的CODcr为50240 mg/L,滤液采用批量发酵工艺,在恒温20℃和30℃下进行厌氧发酵产沼气实验。结果表明,恒温20℃时,发酵HRT为40 d,产沼气量为15.2 mL/mL废醪液,COD产气率为304 mL/gCOD,COD去除率为93.23%;恒温30℃时,发酵HRT为20 d,产沼气量为15.5 mL/mL废醪液,COD产气率为310 mL/gCOD,COD去除率为95.22%。After solid-liquid separation of alcoholic wastewater from potato starch,the CODcr of the filtrate was 50240 mg/L,then batch fermen-tation processing was applied,and the experiments of biogas production in anaerobic digestion were carried out at 20 ℃ and at 30 ℃（constant temperature） respectively.The results indicated that biogas yield of alcohol wastewater was 15.2 mL/mL wastewater and 304 mL/gCOD when the temperature was at 20 ℃ and fermentation HRT was 40 d,when the temperature was at 30 ℃ and HRT was 20 d,biogas production rate was 15.5 mL/mL wastewater and 310 mL/gCOD. The COD degradation rate was 93.23 % at 20℃ and was 95.22 % at 30℃.

关 键 词：综合利用 酒精废醪液 中温沼气发酵 产气潜力 

分 类 号：S216.4[农业科学—农业机械化工程]