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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)(fei)(fei)水(shui)(shui)(shui)水(shui)(shui)(shui)質(zhi)特征及工(gong)(gong)藝介(jie)紹醫(yi)藥中(zhong)(zhong)間體出(chu)產廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)是一類含(han)(han)難降(jiang)(jiang)解(jie)(jie)物(wu)(wu)(wu)(wu)質(zhi)和(he)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)毒性物(wu)(wu)(wu)(wu)質(zhi)的(de)(de)高濃(nong)度(du)(du)有(you)(you)(you)機廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)。本(ben)(ben)工(gong)(gong)程廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)首要為萃取層(ceng)析柱反(fan)(fan)沖(chong)刷(shua)設備(bei)沖(chong)刷(shua)水(shui)(shui)(shui)、精餾(liu)塔廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)。廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)首要以甲(jia)醇(chun)、丙酮,有(you)(you)(you)機質(zhi)及出(chu)產過(guo)程中(zhong)(zhong)的(de)(de)副產物(wu)(wu)(wu)(wu)為主,廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)中(zhong)(zhong)還含(han)(han)有(you)(you)(you)二氯甲(jia)烷、環(huan)氧(yang)(yang)(yang)(yang)氯丙烷等(deng)(deng)物(wu)(wu)(wu)(wu)質(zhi),廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)中(zhong)(zhong)的(de)(de)甲(jia)醇(chun)、丙酮等(deng)(deng)歸(gui)于(yu)易生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)(jiang)解(jie)(jie)物(wu)(wu)(wu)(wu)質(zhi),而二氯甲(jia)烷、環(huan)氧(yang)(yang)(yang)(yang)氯丙烷則較(jiao)(jiao)難生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)(jiang)解(jie)(jie)。依(yi)據(ju)(ju)研討(tao)材(cai)料標明,當有(you)(you)(you)毒抑菌(jun)物(wu)(wu)(wu)(wu)質(zhi)在水(shui)(shui)(shui)中(zhong)(zhong)的(de)(de)濃(nong)度(du)(du)大(da)于(yu)必定值(zhi)時(shi),會對(dui)污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)處理(li)設備(bei)的(de)(de)正(zheng)常運(yun)轉形成影響。環(huan)氧(yang)(yang)(yang)(yang)氯丙烷對(dui)好(hao)氧(yang)(yang)(yang)(yang)菌(jun)的(de)(de)按(an)捺(na)(na)濃(nong)度(du)(du)為55mg/L,而本(ben)(ben)項目污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)中(zhong)(zhong)環(huan)氧(yang)(yang)(yang)(yang)氯丙烷的(de)(de)濃(nong)度(du)(du)約為8.5mg/L,其(qi)濃(nong)度(du)(du)低于(yu)對(dui)好(hao)氧(yang)(yang)(yang)(yang)菌(jun)的(de)(de)按(an)捺(na)(na)濃(nong)度(du)(du),故不須采納預處理(li)辦法(fa)(fa)即可采納生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)(hua)法(fa)(fa)處理(li)。該(gai)工(gong)(gong)程廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)BOD5/COD比值(zhi)為0.4屬可生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)(hua)降(jiang)(jiang)解(jie)(jie)廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui),日廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)水(shui)(shui)(shui)量大(da)適宜(yi)選用(yong)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)法(fa)(fa)進行處理(li)。ABR池(chi)中(zhong)(zhong)設有(you)(you)(you)特別結構(gou)的(de)(de)鐵屑(xie)和(he)焦炭(tan)濾層(ceng)，當鐵屑(xie)浸(jin)泡在酸(suan)性廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)溶液中(zhong)(zhong)發(fa)(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)還原反(fan)(fan)響：Fe+2H+=Fe2++H2，上述反(fan)(fan)響使廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)pH值(zhi)升(sheng)高;另外(wai),鐵屑(xie)和(he)焦炭(tan)濾層(ceng)發(fa)(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)微電解(jie)(jie)反(fan)(fan)響發(fa)(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)態的(de)(de)Fe2+提高了微生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)的(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)活性,對(dui)水(shui)(shui)(shui)解(jie)(jie)過(guo)程也(ye)有(you)(you)(you)促進作用(yong)。   該(gai)制(zhi)藥廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)有(you)(you)(you)機物(wu)(wu)(wu)(wu)COD濃(nong)度(du)(du)動搖較(jiao)(jiao)大(da)(1940-28800mg/L),選用(yong)抗沖(chong)擊(ji)負(fu)荷能力(li)強的(de)(de)SBR間歇式好(hao)氧(yang)(yang)(yang)(yang)曝(pu)氣(qi)池(chi)較(jiao)(jiao)為理(li)想(xiang):曝(pu)氣(qi)時(shi)刻長短能夠依(yi)據(ju)(ju)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)降(jiang)(jiang)解(jie)(jie)的(de)(de)需要進行調整;另外(wai),SBR池(chi)中(zhong)(zhong)實(shi)現了污(wu)(wu)(wu)(wu)泥(ni)的(de)(de)顆粒化(hua)(hua)(hua),積累了高濃(nong)度(du)(du)活性污(wu)(wu)(wu)(wu)泥(ni),因此具有(you)(you)(you)降(jiang)(jiang)解(jie)(jie)較(jiao)(jiao)高濃(nong)度(du)(du)有(you)(you)(you)機廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)的(de)(de)良好(hao)生(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)活性。容積負(fu)荷遠大(da)于(yu)慣例(li)連(lian)續(xu)流(liu)好(hao)氧(yang)(yang)(yang)(yang)反(fan)(fan)響器(qi),能夠確(que)保廢(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)的(de)(de)達標排(pai)放(fang)。綜(zong)上剖析,本(ben)(ben)項目選用(yong)水(shui)(shui)(shui)解(jie)(jie)酸(suan)化(hua)(hua)(hua)+混凝沉積+離子(zi)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)+ABR+SBR的(de)(de)組(zu)合處理(li)工(gong)(gong)藝,其(qi)對(dui)環(huan)氧(yang)(yang)(yang)(yang)氯丙烷,二氯甲(jia)烷,AOX等(deng)(deng)有(you)(you)(you)較(jiao)(jiao)好(hao)的(de)(de)去除功率,總的(de)(de)去除功率達60%以上。