Sewage Sludge on the Contents of Organic Matter, Total n, Total P, and Total K in Calcareous Immature Soil and Calcareous Mellow Soil.
通过盆栽试验研究了不同用量污泥对石灰性生土和熟土有机质和全氮、全磷、全钾含量的影响。
Undigested dewatered domestic sewage sludge from secondary treatment plant contained N 4.12%, of which organic form of N accounted for 93%.
未经消化的二级生活污水处理厂脱水污泥含氮4.12%,其中有机态氮占93%。
An optimum plan of raising removabilities of N and P, suitable to Song-Jiang Sewage Disposal Plant, has been suggested.
并对三个方法进行了比较,推荐了适合松江污水厂提高氮磷去除率的最佳方案。
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