广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
13期
64-65,69
,共3页
膨润土%COD%PAC%改性时间%改性剂用量%垃圾渗滤液
膨潤土%COD%PAC%改性時間%改性劑用量%垃圾滲濾液
팽윤토%COD%PAC%개성시간%개성제용량%랄급삼려액
bentonite%COD%PAC%modified time%quantity of modifier%landfill leachate
为去除应急池中垃圾渗滤液中的COD,研究了用PAC改性膨润土的方法及效果,结果表明:改性可提高改性膨润土去除垃圾渗滤液中COD的能力,改性剂用量和改性时间对改性膨润土的除COD效率影响较大。但制备的PAC改性膨润土用于处理垃圾渗滤液的处理,其出水水质均不能满足污水综合排放标准(GB8978-1996)的一级标准限值要求(COD≤60 mg/L)。
為去除應急池中垃圾滲濾液中的COD,研究瞭用PAC改性膨潤土的方法及效果,結果錶明:改性可提高改性膨潤土去除垃圾滲濾液中COD的能力,改性劑用量和改性時間對改性膨潤土的除COD效率影響較大。但製備的PAC改性膨潤土用于處理垃圾滲濾液的處理,其齣水水質均不能滿足汙水綜閤排放標準(GB8978-1996)的一級標準限值要求(COD≤60 mg/L)。
위거제응급지중랄급삼려액중적COD,연구료용PAC개성팽윤토적방법급효과,결과표명:개성가제고개성팽윤토거제랄급삼려액중COD적능력,개성제용량화개성시간대개성팽윤토적제COD효솔영향교대。단제비적PAC개성팽윤토용우처리랄급삼려액적처리,기출수수질균불능만족오수종합배방표준(GB8978-1996)적일급표준한치요구(COD≤60 mg/L)。
In order to treatment the COD in landfill leachate , the modified method and removal efficiency of bentonite modified by PAC were researched.The result showed that removal efficiency of bentonite was improved after modified , and the modified time and quantity of modifier solution had a certain influence on the COD removal effect .After treated by modified bentonite , the COD in landfill leachate still can not meet contented I -class criteria specified in Integrated Wastewater Discharge Standard ( GB 8978-1996).