From the meaning of phosphorus in ecosystem and the geological and biological circulation of phosphorus, the technical way of recovering phosphorus from civic wastewater and sludge is discussed.
从磷在生态系统中的意义和磷的地质、生物循环过程入手，论述了从污水及污泥中回收磷资源的技术方法。
From the meaning of phosphorus in ecosystem and the geological and biological circulation of phosphorus, the technical way of recovering phosphorus from civic wastewater and sludge is discussed.
从磷在生态系统中的意义和磷的地质、生物循环过程入手，论述了从污水及污泥中回收磷资源的技术方法。
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