摘要
为减少甲鱼疾病发生和污水排放 ,研究比较聚合硫酸铁 (PFS)、聚二甲基二烯丙基氯化铵 (PDM DAAC)、优势复合菌群 (EM )和PFS +PDMDAAC与PFS +PDMDAAC +EM各种净化水体方法。结果表明 ,联合使用 2 0mg/L的PFS、0 .5mg/L的PDMDAAC和 2 0ml/m3的EM菌效果最好 ,絮凝率达 92 %以上 ,CODCr去除率达 88%～ 90 % ,BOD5/CODCr由 0 .6 1降至 0 .2 8,说明可用生物降解法将水体中有害物质去除。水质各项指标均符合特种水产养殖水质标准 ,水质稳定 ,池水与排污口水体水质基本一致 。
Poly ferric sulfate (PFS),polydimethyldiallylammonium chloride(PDMAAC) and effective micro organism (EM) were used singly and combinedly to treat the water in soft shell turtle ponds. The results show that when the three substances are used combinedly at PFS 20 mg/L pond water, PDMDAAC 0.5 mg/L pond water and EM 20 ml/m 3 pond water, the purification efficiency is the best with the flocculation rate above 92%, COD Cr removing rate 88%～90%, and BOD 5/COD Cr decreases from 0.61 to 0.28 during 20 d experiment; the biodegradable matters in waters are effectively removed. The purpose of this study is to decrease the disease outbreaks in soft shell ponds due to the pollution by over use of diets and fisheries medicines.
出处
《中国水产科学》
CAS
CSCD
北大核心
2001年第4期83-86,共4页
Journal of Fishery Sciences of China
基金
福建省农业科技跨越计划项目 (2 0 0 0 5 )
关键词
养殖水体
聚合硫酸铁
聚二甲基二烯丙基氯化铵
优势复合菌群
水质净化
aquaculture water
poly ferric sulfate
polydimethyldiallylammonium chloride
superior complex microorganism strain
water purification
