2、SBR工藝概述序批式活性污泥法簡稱SBR。是傳統活性污泥法的一種變形,它的反響機制以及污染物質的去除處理機制和傳統活性污泥法基本相同。SBR在流態上雖屬徹底混合式,但在有機物的降解方面則是時刻上的推流,首要包含進水期、反響期、沉積期、排水期、擱置期。
3、廢水處理工藝剖析
3.1、廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)特(te)征及(ji)工(gong)藝介紹醫藥(yao)中(zhong)間體出產(chan)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)是(shi)一類(lei)含(han)難降(jiang)解(jie)(jie)(jie)物(wu)(wu)(wu)(wu)質(zhi)和(he)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)毒性(xing)(xing)(xing)物(wu)(wu)(wu)(wu)質(zhi)的(de)(de)高(gao)濃(nong)(nong)度有(you)(you)(you)機廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)。本工(gong)程(cheng)(cheng)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)首要為萃取層析柱(zhu)反(fan)沖(chong)(chong)刷(shua)設備(bei)(bei)沖(chong)(chong)刷(shua)水(shui)(shui)(shui)(shui)、精餾塔廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)。廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)首要以(yi)甲醇、丙酮(tong),有(you)(you)(you)機質(zhi)及(ji)出產(chan)過(guo)程(cheng)(cheng)中(zhong)的(de)(de)副(fu)產(chan)物(wu)(wu)(wu)(wu)為主,廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)中(zhong)還含(han)有(you)(you)(you)二(er)(er)氯(lv)(lv)甲烷(wan)(wan)、環氧(yang)(yang)氯(lv)(lv)丙烷(wan)(wan)等(deng)(deng)物(wu)(wu)(wu)(wu)質(zhi),廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)中(zhong)的(de)(de)甲醇、丙酮(tong)等(deng)(deng)歸于(yu)易(yi)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)解(jie)(jie)(jie)物(wu)(wu)(wu)(wu)質(zhi),而二(er)(er)氯(lv)(lv)甲烷(wan)(wan)、環氧(yang)(yang)氯(lv)(lv)丙烷(wan)(wan)則(ze)較(jiao)難生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)解(jie)(jie)(jie)。依(yi)(yi)據研討材料(liao)標明,當有(you)(you)(you)毒抑(yi)菌(jun)物(wu)(wu)(wu)(wu)質(zhi)在水(shui)(shui)(shui)(shui)中(zhong)的(de)(de)濃(nong)(nong)度大于(yu)必(bi)定值時(shi),會對污水(shui)(shui)(shui)(shui)處(chu)理(li)設備(bei)(bei)的(de)(de)正常運轉形成影響(xiang)。環氧(yang)(yang)氯(lv)(lv)丙烷(wan)(wan)對好(hao)氧(yang)(yang)菌(jun)的(de)(de)按捺(na)濃(nong)(nong)度為55mg/L,而本項目(mu)污水(shui)(shui)(shui)(shui)中(zhong)環氧(yang)(yang)氯(lv)(lv)丙烷(wan)(wan)的(de)(de)濃(nong)(nong)度約為8.5mg/L,其濃(nong)(nong)度低(di)于(yu)對好(hao)氧(yang)(yang)菌(jun)的(de)(de)按捺(na)濃(nong)(nong)度,故不須采納預(yu)處(chu)理(li)辦法即可采納生(sheng)(sheng)(sheng)化法處(chu)理(li)。該工(gong)程(cheng)(cheng)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)BOD5/COD比值為0.4屬可生(sheng)(sheng)(sheng)化降(jiang)解(jie)(jie)(jie)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui),日廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)量大適宜選(xuan)(xuan)用生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)法進(jin)行處(chu)理(li)。ABR池(chi)(chi)中(zhong)設有(you)(you)(you)特(te)別結構的(de)(de)鐵(tie)(tie)屑(xie)和(he)焦炭濾層,當鐵(tie)(tie)屑(xie)浸泡(pao)在酸性(xing)(xing)(xing)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)溶液(ye)中(zhong)發生(sheng)(sheng)(sheng)氧(yang)(yang)化還原反(fan)響(xiang):Fe+2H+=Fe2++H2,上述反(fan)響(xiang)使廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)pH值升高(gao);另外(wai)(wai),鐵(tie)(tie)屑(xie)和(he)焦炭濾層發生(sheng)(sheng)(sheng)微電解(jie)(jie)(jie)反(fan)響(xiang)發生(sheng)(sheng)(sheng)生(sheng)(sheng)(sheng)態的(de)(de)Fe2+提高(gao)了(le)微生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)的(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)活(huo)(huo)性(xing)(xing)(xing),對水(shui)(shui)(shui)(shui)解(jie)(jie)(jie)過(guo)程(cheng)(cheng)也有(you)(you)(you)促進(jin)作用。 該制藥(yao)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)有(you)(you)(you)機物(wu)(wu)(wu)(wu)COD濃(nong)(nong)度動搖較(jiao)大(1940-28800mg/L),選(xuan)(xuan)用抗沖(chong)(chong)擊負荷能力強的(de)(de)SBR間歇(xie)式好(hao)氧(yang)(yang)曝氣(qi)(qi)池(chi)(chi)較(jiao)為理(li)想:曝氣(qi)(qi)時(shi)刻長短能夠依(yi)(yi)據生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)解(jie)(jie)(jie)的(de)(de)需(xu)要進(jin)行調(diao)整;另外(wai)(wai),SBR池(chi)(chi)中(zhong)實(shi)現了(le)污泥的(de)(de)顆粒化,積(ji)累了(le)高(gao)濃(nong)(nong)度活(huo)(huo)性(xing)(xing)(xing)污泥,因此具有(you)(you)(you)降(jiang)解(jie)(jie)(jie)較(jiao)高(gao)濃(nong)(nong)度有(you)(you)(you)機廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)的(de)(de)良好(hao)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)活(huo)(huo)性(xing)(xing)(xing)。容(rong)積(ji)負荷遠(yuan)大于(yu)慣例連續流好(hao)氧(yang)(yang)反(fan)響(xiang)器,能夠確保(bao)廢(fei)(fei)(fei)水(shui)(shui)(shui)(shui)的(de)(de)達標排放。綜(zong)上剖析,本項目(mu)選(xuan)(xuan)用水(shui)(shui)(shui)(shui)解(jie)(jie)(jie)酸化+混凝沉積(ji)+離子氧(yang)(yang)化+ABR+SBR的(de)(de)組(zu)合處(chu)理(li)工(gong)藝,其對環氧(yang)(yang)氯(lv)(lv)丙烷(wan)(wan),二(er)(er)氯(lv)(lv)甲烷(wan)(wan),AOX等(deng)(deng)有(you)(you)(you)較(jiao)好(hao)的(de)(de)去(qu)除功率,總的(de)(de)去(qu)除功率達60%以(yi)上。