糧油企業污水處理工程案例
更新時間:2012-06-12 15:37
來源:中海油天津(jin)化工研究設計(ji)院
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摘要: 某糧(liang)油(you)(you)(you)(you)(you)(you)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)主(zhu)要(yao)從事毛油(you)(you)(you)(you)(you)(you)深加工(gong)及生(sheng)(sheng)產(chan)加工(gong)、銷售各(ge)類油(you)(you)(you)(you)(you)(you)籽、油(you)(you)(you)(you)(you)(you)料(liao)、動植(zhi)(zhi)物油(you)(you)(you)(you)(you)(you)脂(zhi)等糧(liang)油(you)(you)(you)(you)(you)(you)食品,主(zhu)要(yao)產(chan)品為小包(bao)裝食用油(you)(you)(you)(you)(you)(you)、大豆(dou)色拉油(you)(you)(you)(you)(you)(you)、純豆(dou)油(you)(you)(you)(you)(you)(you)、調(diao)和油(you)(you)(you)(you)(you)(you)、花(hua)生(sheng)(sheng)油(you)(you)(you)(you)(you)(you)、玉米油(you)(you)(you)(you)(you)(you)、葵(kui)花(hua)籽油(you)(you)(you)(you)(you)(you)及大宗散裝棕櫚油(you)(you)(you)(you)(you)(you)椰子油(you)(you)(you)(you)(you)(you)、豆(dou)油(you)(you)(you)(you)(you)(you)、菜(cai)油(you)(you)(you)(you)(you)(you)等食用油(you)(you)(you)(you)(you)(you)品。是(shi)我(wo)國糧(liang)油(you)(you)(you)(you)(you)(you)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)的(de)重要(yao)成員。該企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)在清潔生(sheng)(sheng)產(chan)審核中發現企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)廢水(shui)(shui)(shui)未進(jin)行有(you)效(xiao)處(chu)理(li)(li)。為此,設計(ji)了企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)污(wu)(wu)水(shui)(shui)(shui)處(chu)理(li)(li)方案(an),并(bing)將其(qi)(qi)(qi)應用于(yu)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)的(de)污(wu)(wu)水(shui)(shui)(shui)處(chu)理(li)(li)。
1 水(shui)(shui)(shui)質分析
該企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)生(sheng)(sheng)產(chan)廢水(shui)(shui)(shui)具有(you)糧(liang)油(you)(you)(you)(you)(you)(you)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)生(sheng)(sheng)產(chan)廢水(shui)(shui)(shui)的(de)代(dai)表特征。其(qi)(qi)(qi)污(wu)(wu)水(shui)(shui)(shui)處(chu)理(li)(li)站處(chu)理(li)(li)能力為250 mS/d,其(qi)(qi)(qi)接納的(de)污(wu)(wu)水(shui)(shui)(shui)主(zhu)要(yao)有(you)毛油(you)(you)(you)(you)(you)(you)精煉產(chan)生(sheng)(sheng)的(de)生(sheng)(sheng)產(chan)廢水(shui)(shui)(shui)、脫(tuo)酸產(chan)生(sheng)(sheng)的(de)洗滌廢水(shui)(shui)(shui);清洗濾(lv)(lv)板、濾(lv)(lv)布(bu)和車間地面的(de)清洗廢水(shui)(shui)(shui):循環(huan)冷卻水(shui)(shui)(shui)排水(shui)(shui)(shui)以及廠區生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)。其(qi)(qi)(qi)主(zhu)要(yao)污(wu)(wu)染因子有(you)COD 、BOD 、SS、植(zhi)(zhi)物 油(you)(you)(you)(you)(you)(you)、磷酸鹽、氨氮(dan)。根(gen)據企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)自身監測提供的(de)數據并(bing)參(can)照典型(xing)糧(liang)油(you)(you)(you)(you)(you)(you)企(qi)(qi)(qi)業(ye)(ye)(ye)(ye)(ye)的(de)污(wu)(wu)水(shui)(shui)(shui)水(shui)(shui)(shui)質。最(zui)終確定了本污(wu)(wu)水(shui)(shui)(shui)處(chu)理(li)(li)站設計(ji)進(jin)水(shui)(shui)(shui)水(shui)(shui)(shui)質,其(qi)(qi)(qi)處(chu)理(li)(li)后出(chu)水(shui)(shui)(shui)水(shui)(shui)(shui)質須達到國家《污(wu)(wu)水(shui)(shui)(shui)綜合(he)排放標(biao)(biao)準(zhun)》(GB 8978--1996)規定的(de)二級標(biao)(biao)準(zhun)。工(gong)程設計(ji)的(de)進(jin)出(chu)水(shui)(shui)(shui)水(shui)(shui)(shui)質如(ru)表1所示。
更(geng)多內容請見(jian)附件:
某糧(liang)油(you)(you)(you)企(qi)業(ye)(ye)主要(yao)從事毛油(you)(you)(you)深加(jia)工(gong)及生產加(jia)工(gong)、銷(xiao)售各類油(you)(you)(you)籽、油(you)(you)(you)料、動植物油(you)(you)(you)脂等糧(liang)油(you)(you)(you)食品(pin)(pin)(pin),主要(yao)產品(pin)(pin)(pin)為(wei)(wei)小(xiao)包裝食用油(you)(you)(you)、大(da)(da)豆(dou)色拉油(you)(you)(you)、純豆(dou)油(you)(you)(you)、調和油(you)(you)(you)、花生油(you)(you)(you)、玉米(mi)油(you)(you)(you)、葵花籽油(you)(you)(you)及大(da)(da)宗散裝棕櫚油(you)(you)(you)椰子油(you)(you)(you)、豆(dou)油(you)(you)(you)、菜油(you)(you)(you)等食用油(you)(you)(you)品(pin)(pin)(pin)。是我國糧(liang)油(you)(you)(you)企(qi)業(ye)(ye)的重要(yao)成員。該(gai)企(qi)業(ye)(ye)在(zai)清潔生產審核中發現企(qi)業(ye)(ye)廢(fei)水(shui)未進(jin)行(xing)有效處(chu)理。為(wei)(wei)此,設計了企(qi)業(ye)(ye)污(wu)水(shui)處(chu)理方案(an),并將其應用于(yu)企(qi)業(ye)(ye)的污(wu)水(shui)處(chu)理。
1 水質分析
該企(qi)業生產(chan)廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)具有(you)糧(liang)油(you)(you)企(qi)業生產(chan)廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)的代表特(te)征。其(qi)污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)理(li)站處(chu)理(li)能(neng)力(li)為250 mS/d,其(qi)接納的污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)主要(yao)有(you)毛油(you)(you)精煉產(chan)生的生產(chan)廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)、脫酸(suan)產(chan)生的洗滌廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui);清洗濾(lv)板、濾(lv)布(bu)和車(che)間地(di)面(mian)的清洗廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)(shui):循環(huan)冷卻(que)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)排水(shui)(shui)(shui)(shui)(shui)(shui)(shui)以及(ji)廠區生活污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)。其(qi)主要(yao)污(wu)(wu)染因子有(you)COD 、BOD 、SS、植物 油(you)(you)、磷(lin)酸(suan)鹽(yan)、氨(an)氮。根(gen)據企(qi)業自身監測(ce)提供的數據并參照(zhao)典型糧(liang)油(you)(you)企(qi)業的污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)質。最終確(que)定(ding)了本(ben)污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)理(li)站設計(ji)進水(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)質,其(qi)處(chu)理(li)后出水(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)質須達到國家《污(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)綜合(he)排放標準》(GB 8978--1996)規定(ding)的二級標準。工程(cheng)設計(ji)的進出水(shui)(shui)(shui)(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)質如表1所示。
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