工业安全与环保
工業安全與環保
공업안전여배보
INDUSTRIAL SAFETY AND ENVIRONMENTAL PROTECTION
2014年
10期
1-2,92
,共3页
汤红妍%苗娟%李国芝%李普%王辉
湯紅妍%苗娟%李國芝%李普%王輝
탕홍연%묘연%리국지%리보%왕휘
垃圾渗滤液%MAP%处理%氨氮
垃圾滲濾液%MAP%處理%氨氮
랄급삼려액%MAP%처리%안담
landfill leachate%magnesium ammonium phosphate%treatment%ammonia nitrogen
以MgSO4?7H2 O和Na2 HPO4?12H2 O作为沉淀剂加入到垃圾渗滤液中,形成磷酸铵镁沉淀,可有效去除渗滤液中氨氮含量。最佳反应条件为:pH =9.5、Mg∶N =1.8∶1,P :N =1.8∶1,在此条件下 NH3- N 去除率达97%,COD 的去除率达到20%。
以MgSO4?7H2 O和Na2 HPO4?12H2 O作為沉澱劑加入到垃圾滲濾液中,形成燐痠銨鎂沉澱,可有效去除滲濾液中氨氮含量。最佳反應條件為:pH =9.5、Mg∶N =1.8∶1,P :N =1.8∶1,在此條件下 NH3- N 去除率達97%,COD 的去除率達到20%。
이MgSO4?7H2 O화Na2 HPO4?12H2 O작위침정제가입도랄급삼려액중,형성린산안미침정,가유효거제삼려액중안담함량。최가반응조건위:pH =9.5、Mg∶N =1.8∶1,P :N =1.8∶1,재차조건하 NH3- N 거제솔체97%,COD 적거제솔체도20%。
MgSO4?7H2O and Na2HPO4?12H2O is used as precipitation drugs ,added into landfill leachate ,to form MAP precipitation ,which is effective to remove ammonia nitrogen in leachate .When pH = 9 .5 ,Mg∶N = 1 .8∶1 and P∶N = 1 .8∶1 ,the removal rate of NH3 - N and COD can reach 97% and 20% respectively ,which is the optimal reaction condition .