With NaCl as activator,15% H2SO4 as modifier,the phosphorus removing agent AFA was prepared by the fly ash which modified with activation at high temperature and acid treatment.

 
  • 以NaCl为活化剂,15%25H2SO4为改性剂,采取高温活化后再进行酸处理的方式对粉煤灰进行改性,制备深度除磷剂AFA。
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