伊爽(shuang)環境(jing)-汽(qi)車塗(tu)裝電(dian)泳(yong)、面漆廢水(shui)處(chu)理

汽(qi)車塗(tu)裝電(dian)泳(yong)、面漆廢水(shui)處(chu)理

汽(qi)車塗(tu)裝工(gong)序(xu)中脫脂(zhi)液(ye)、磷化(hua)液(ye)和電(dian)泳(yong)超濾液(ye)使(shi)用(yong)壹(yi)定(ding)時期(qi)後(hou),必須定(ding)期全(quan)部(bu)或部(bu)分更(geng)換(huan)。排(pai)放(fang)的槽液(ye)中汙染(ran)物質(zhi)種類(lei)多、濃(nong)度高,其處理難(nan)度相(xiang)當大。特別是(shi)電(dian)泳(yong)超濾廢水(shui)和面(mian)漆廢水(shui)。 國外在電(dian)泳(yong)塗(tu)裝高(gao)濃(nong)度有機廢水(shui)的治(zhi)理技(ji)術方(fang)面(mian)較為。特別是(shi)對含(han)高(gao)濃(nong)度的水(shui)溶(rong)性(xing)高(gao)分子樹脂(zhi)、低(di)分子醇類(lei)和顏(yan)料等難(nan)以用(yong)物化(hua)法(fa)混(hun)凝分離(li)出、且可生(sheng)化(hua)性(xing)差的超濾液(ye),大多數汽(qi)車廠(chang)壹般(ban)采用反(fan)滲透(tou)和電(dian)滲(shen)析的辦(ban)法(fa),使(shi)整個電(dian)泳(yong)塗(tu)裝水(shui)洗(xi)系(xi)統*封閉,不(bu)外排廢水(shui)。反(fan)滲(shen)透(tou)和電(dian)滲(shen)析處理方法(fa)工(gong)藝(yi),但它(ta)們(men)對(dui)於被處(chu)理水(shui)水(shui)質(zhi)要(yao)求(qiu)比較高。如反滲(shen)透(tou)要(yao)求被(bei)處理水(shui)必(bi)須排除懸(xuan)浮物到lppm以(yi)下(xia),還需(xu)排除油分、微生(sheng)物等;而(er)電(dian)滲(shen)析在汙染(ran)物濃(nong)度高情況下(xia),膜(mo)易(yi)受(shou)汙染(ran)使處理效(xiao)率(lv)嚴(yan)重(zhong)降低(di),需(xu)常(chang)清洗(xi)。這兩種方法(fa)處(chu)理成本都較高。 本課題以南維柯(ke)車身廠(chang)塗(tu)裝廢水(shui)處(chu)理改造工(gong)程(cheng)做(zuo)依托(tuo),研(yan)究(jiu)采用物化(hua)+A/O法(fa)處(chu)理電(dian)泳(yong)超濾、面(mian)漆(qi)廢水(shui)。先(xian)用(yong)混(hun)凝分離(li)去(qu)除大部(bu)分汙染(ran)物質(zhi),然(ran)後(hou)對水(shui)中溶解性(xing)及難(nan)降解的有機物進(jin)行(xing)水(shui)解酸(suan)化(hua),再(zai)用好氧(yang)生(sheng)物法(fa)進(jin)行處(chu)理。找出佳處理工藝(yi)參(can)數,提(ti)高處(chu)理效(xiao)率(lv)。1電(dian)泳(yong)、面漆廢水(shui)的水(shui)質(zhi)及(ji)其變化(hua)特點汽(qi)車塗(tu)裝工(gong)序(xu)中脫脂(zhi)液(ye)、磷化(hua)液(ye)和電(dian)泳(yong)超濾液(ye)使(shi)用(yong)壹(yi)定(ding)時期(qi)後(hou),必須定(ding)期全(quan)部(bu)或部(bu)分更(geng)換(huan)。排(pai)放(fang)的槽液(ye)中汙染(ran)物質(zhi)種類(lei)多、濃(nong)度高,其處理難(nan)度相(xiang)當大。特別是(shi)電(dian)泳(yong)超濾廢水(shui)和面(mian)漆廢水(shui)。 國外在電(dian)泳(yong)塗(tu)裝高(gao)濃(nong)度有機廢水(shui)的治(zhi)理技(ji)術方(fang)面(mian)較為。特別是(shi)對含(han)高(gao)濃(nong)度的水(shui)溶(rong)性(xing)高(gao)分子樹脂(zhi)、低(di)分子醇類(lei)和顏(yan)料等難(nan)以用(yong)物化(hua)法(fa)混(hun)凝分離(li)出、且可生(sheng)化(hua)性(xing)差的超濾液(ye),大多數汽(qi)車廠(chang)壹般(ban)采用反(fan)滲透(tou)和電(dian)滲(shen)析的辦(ban)法(fa),使(shi)整個電(dian)泳(yong)塗(tu)裝水(shui)洗(xi)系(xi)統*封閉,不(bu)外排廢水(shui)。反(fan)滲(shen)透(tou)和電(dian)滲(shen)析處理方法(fa)工(gong)藝(yi),但它(ta)們(men)對(dui)於被處(chu)理水(shui)水(shui)質(zhi)要(yao)求(qiu)比較高。如反滲(shen)透(tou)要(yao)求被(bei)處理水(shui)必(bi)須排除懸(xuan)浮物到lppm以(yi)下(xia),還需(xu)排除油分、微生(sheng)物等;而(er)電(dian)滲(shen)析在汙染(ran)物濃(nong)度高情況下(xia),膜(mo)易(yi)受(shou)汙染(ran)使處理效(xiao)率(lv)嚴(yan)重(zhong)降低(di),需(xu)常(chang)清洗(xi)。這兩種方法(fa)處(chu)理成本都較高。 本課題以南維柯(ke)車身廠(chang)塗(tu)裝廢水(shui)處(chu)理改造工(gong)程(cheng)做(zuo)依托(tuo),研(yan)究(jiu)采用物化(hua)+A/O法(fa)處(chu)理電(dian)泳(yong)超濾、面(mian)漆(qi)廢水(shui)。先(xian)用(yong)混(hun)凝分離(li)去(qu)除大部(bu)分汙染(ran)物質(zhi),然(ran)後(hou)對水(shui)中溶解性(xing)及難(nan)降解的有機物進(jin)行(xing)水(shui)解酸(suan)化(hua),再(zai)用好氧(yang)生(sheng)物法(fa)進(jin)行處(chu)理。找出佳處理工藝(yi)參(can)數,提(ti)高處(chu)理效(xiao)率(lv)。1電(dian)泳(yong)、面漆廢水(shui)的水(shui)質(zhi)及(ji)其變化(hua)特點汽(qi)車塗(tu)裝電(dian)泳(yong)、面漆廢水(shui)處(chu)理