针对当前泥磷处理方法单一、污染严重的现状，分析比较了几种泥磷处理方法的优缺点，提出了经 济有利和环境友好的从泥磷中制取次磷酸钠的方法。

Because the sludge treating technology is at low level and the phosphorus sludge had polluted the environment seriously, the advantages and shortcomings about some kinds of processes to treat phosphorus sludge are compared in this article. It has put forward a clean and economical process to produce sodium hypophosphite product from phosphorus sludge.