摘要
污水处理厂污泥脱水后,加入粉煤灰调节含水率,然后在发酵罐中好氧发酵,使污泥熟化,含水率进一步减少,并且杀灭污泥中的有害微生物。堆肥后的污泥与秸杆、化肥混合制成一种复合化肥,将化肥用在农田的水稻种植,水稻的亩产量增产11.4%,各项指标均符合国家标准。
Fly ash was added to regulate moisture content after dehydrate of sludge of wastewater treatment plant. Ferment among fermented pot with oxygen was made to further reduce moisture content and kill harmful microorganism in the sludge. The composting sludge mixed with straw pole and chemical fertilizer to make compound fertilizer, which can apply to rice growing, with the yield increase by 11.4% per mu and all index meeting the national criteria.
出处
《环境科学与技术》
CAS
CSCD
北大核心
2006年第5期95-96,共2页
Environmental Science & Technology
关键词
污泥堆肥
复合化肥
农田试验
sludge composting
compound fertilizer
farmland testing
