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新聞詳情

印染污水處理解決方案

印(yin)染(ran)污(wu)水(shui)(shui)是(shi)加工棉(mian)、麻、化學纖(xian)維及其(qi)混(hun)紡(fang)產品(pin)為主的印(yin)染(ran)廠排(pai)出的污(wu)水(shui)(shui)。印(yin)染(ran)污(wu)水(shui)(shui)水(shui)(shui)量(liang)較大,每印(yin)染(ran)加工1噸紡(fang)織(zhi)品(pin)耗水(shui)(shui)100~200噸,其(qi)中80~90%成(cheng)為污(wu)水(shui)(shui)。


污水特點

印(yin)(yin)染印(yin)(yin)刷污(wu)(wu)水是較難(nan)處理的(de)工業污(wu)(wu)水之一,它具(ju)有COD濃(nong)度(du)(du)高、色(se)度(du)(du)大、含鹽量(liang)高、有機物難(nan)生化(hua)降解(jie)及水質水量(liang)隨時間(jian)變化(hua)較大(污(wu)(wu)水間(jian)歇性(xing)排(pai)放)等特點(dian),印(yin)(yin)染污(wu)(wu)水處理突出(chu)的(de)是色(se)度(du)(du)和難(nan)降解(jie)有機物的(de)去除問(wen)題。


處理方法

處(chu)理(li)(li)(li)印染印刷污(wu)水(shui)(shui)(shui)(shui)通常(chang)采用(yong)(yong)水(shui)(shui)(shui)(shui)解(jie)(jie)酸化(hua)(hua)-生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)接觸(chu)氧(yang)(yang)化(hua)(hua)-生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)炭為主的(de)(de)處(chu)理(li)(li)(li)工藝(yi),該處(chu)理(li)(li)(li)工藝(yi)是近幾年(nian)來在印染污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)(li)中采用(yong)(yong)較多、較成熟(shu)的(de)(de)工藝(yi)流程。水(shui)(shui)(shui)(shui)解(jie)(jie)酸化(hua)(hua)的(de)(de)目的(de)(de)是對印染污(wu)水(shui)(shui)(shui)(shui)中可生(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)性(xing)很差的(de)(de)某些高分(fen)子物(wu)(wu)質(zhi)和不溶性(xing)物(wu)(wu)質(zhi)通過水(shui)(shui)(shui)(shui)解(jie)(jie)酸化(hua)(hua),降解(jie)(jie)為小分(fen)子物(wu)(wu)質(zhi)和可溶性(xing)物(wu)(wu)質(zhi),提高可生(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)性(xing)和B/C值,為后續好氧(yang)(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)處(chu)理(li)(li)(li)創造條(tiao)件(jian)。同時好氧(yang)(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)處(chu)理(li)(li)(li)產生(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)剩余污(wu)泥(ni)經沉淀(dian)池(chi)(chi)全部回(hui)流到(dao)厭(yan)氧(yang)(yang)生(sheng)(sheng)(sheng)(sheng)(sheng)化(hua)(hua)段,進行厭(yan)氧(yang)(yang)消化(hua)(hua),減少(shao)整個系統剩余污(wu)泥(ni)排放,即(ji)達(da)到(dao)自身的(de)(de)污(wu)泥(ni)平(ping)衡。厭(yan)氧(yang)(yang)水(shui)(shui)(shui)(shui)解(jie)(jie)酸化(hua)(hua)池(chi)(chi)和生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)接觸(chu)氧(yang)(yang)化(hua)(hua)池(chi)(chi)中均安裝填料,屬生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)膜法(fa)處(chu)理(li)(li)(li);生(sheng)(sheng)(sheng)(sheng)(sheng)物(wu)(wu)炭池(chi)(chi)裝活性(xing)炭并(bing)供氧(yang)(yang),兼有懸浮生(sheng)(sheng)(sheng)(sheng)(sheng)長和附著生(sheng)(sheng)(sheng)(sheng)(sheng)長法(fa)特點(dian),脈(mo)沖進水(shui)(shui)(shui)(shui)的(de)(de)作用(yong)(yong)是對厭(yan)氧(yang)(yang)水(shui)(shui)(shui)(shui)解(jie)(jie)酸化(hua)(hua)池(chi)(chi)進行攪(jiao)拌。