中国海洋大学学报（自然科学版）2011，Vol.41Issue(11)：13-17,5.
低温环境下消化污泥和玉米秸秆强制通风堆肥过程中物理化学和生物学指标的研究
Study on Index of Physicochemical and Biological Properties During Forced Aeration Composting of Digested Sludge and Maize Straw Under Low Ambient Temperature
摘要
Abstract
The forced aeration composting technique was used for composting of digested sludge and maize straw under low ambient temperature. When the initial C/N ratio of composting material was 19. 61 accompanying with the ambient temperature between 9 and 15 ℃, the maximal temperature of composting mixture in the centre arrived at 60 ℃ on 4th day. Above 55 ℃ in the composting mixture kept for 9 d during the whole composting. Total organic (TOC) and C/N ratio obviously declined with the increase of composting time, but the content of NO3--N and heavy metals increased. pH, electrical conductivity (EC), NH4+-N, cellulose and urease activities originally increased and then declined. The seed germination index was 84. 14% on day 35, which indicated that the phytotoxicity has been removed. The research results shows that forced aeration composting of digested sludge and maize straw can meet the demand of mature on day 35.关键词
消化污泥/玉米秸秆/酶活性/种子发芽指数Key words
digested sludge/ maize straw/ enzymic activity/ germination index分类
资源环境引用本文复制引用
高孟春,王子超,胡波,王敏,赵从从,杨慧心,田颖,王步英..低温环境下消化污泥和玉米秸秆强制通风堆肥过程中物理化学和生物学指标的研究[J].中国海洋大学学报（自然科学版）,2011,41(11):13-17,5.基金项目
国家自然科学基金项目(20507016) （20507016）
中国海洋大学本科生研究发展计划项目(1012011001) （1012011001）
中国宋庆龄基金会星巴克大学生环保践行者项日资助 （）
