印染污水處理解決方案發表時間:2021-05-10 10:53 印(yin)染污水(shui)是(shi)加工棉(mian)、麻(ma)、化學纖維(wei)及其(qi)混紡(fang)產品為(wei)(wei)主的(de)(de)印(yin)染廠排出的(de)(de)污水(shui)。印(yin)染污水(shui)水(shui)量較大,每印(yin)染加工1噸紡(fang)織品耗水(shui)100~200噸,其(qi)中80~90%成(cheng)為(wei)(wei)污水(shui)。 污水特點 印染印刷污(wu)(wu)(wu)水(shui)是(shi)較難處理(li)的(de)(de)工業污(wu)(wu)(wu)水(shui)之一,它(ta)具有COD濃度(du)高、色(se)度(du)大、含鹽量(liang)高、有機物(wu)難生化降解及水(shui)質(zhi)水(shui)量(liang)隨時間(jian)(jian)變化較大(污(wu)(wu)(wu)水(shui)間(jian)(jian)歇性(xing)排放)等特點,印染污(wu)(wu)(wu)水(shui)處理(li)突出的(de)(de)是(shi)色(se)度(du)和(he)難降解有機物(wu)的(de)(de)去(qu)除問題(ti)。 處理方法 處理(li)印(yin)染印(yin)刷污(wu)水(shui)(shui)(shui)通(tong)常采(cai)(cai)用水(shui)(shui)(shui)解(jie)酸(suan)(suan)(suan)(suan)化(hua)(hua)(hua)(hua)-生(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)接觸氧(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-生(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)炭為(wei)主的(de)處理(li)工藝,該處理(li)工藝是(shi)近(jin)幾年來在印(yin)染污(wu)水(shui)(shui)(shui)處理(li)中(zhong)采(cai)(cai)用較(jiao)多、較(jiao)成熟(shu)的(de)工藝流程。水(shui)(shui)(shui)解(jie)酸(suan)(suan)(suan)(suan)化(hua)(hua)(hua)(hua)的(de)目的(de)是(shi)對(dui)印(yin)染污(wu)水(shui)(shui)(shui)中(zhong)可生(sheng)化(hua)(hua)(hua)(hua)性很差的(de)某些高分(fen)子物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)和不溶性物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)通(tong)過水(shui)(shui)(shui)解(jie)酸(suan)(suan)(suan)(suan)化(hua)(hua)(hua)(hua),降解(jie)為(wei)小分(fen)子物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)和可溶性物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi),提(ti)高可生(sheng)化(hua)(hua)(hua)(hua)性和B/C值,為(wei)后續好氧(yang)(yang)(yang)(yang)(yang)生(sheng)化(hua)(hua)(hua)(hua)處理(li)創造條件。同(tong)時好氧(yang)(yang)(yang)(yang)(yang)生(sheng)化(hua)(hua)(hua)(hua)處理(li)產(chan)生(sheng)的(de)剩(sheng)余污(wu)泥(ni)經(jing)沉(chen)淀池(chi)全部回流到(dao)厭(yan)(yan)氧(yang)(yang)(yang)(yang)(yang)生(sheng)化(hua)(hua)(hua)(hua)段,進(jin)行厭(yan)(yan)氧(yang)(yang)(yang)(yang)(yang)消化(hua)(hua)(hua)(hua),減少整個系統剩(sheng)余污(wu)泥(ni)排放,即達到(dao)自(zi)身的(de)污(wu)泥(ni)平衡。厭(yan)(yan)氧(yang)(yang)(yang)(yang)(yang)水(shui)(shui)(shui)解(jie)酸(suan)(suan)(suan)(suan)化(hua)(hua)(hua)(hua)池(chi)和生(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)接觸氧(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)池(chi)中(zhong)均(jun)安(an)裝填(tian)料,屬生(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)膜(mo)法處理(li);生(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)炭池(chi)裝活性炭并(bing)供氧(yang)(yang)(yang)(yang)(yang),兼(jian)有懸浮生(sheng)長和附(fu)著生(sheng)長法特點,脈沖進(jin)水(shui)(shui)(shui)的(de)作(zuo)用是(shi)對(dui)厭(yan)(yan)氧(yang)(yang)(yang)(yang)(yang)水(shui)(shui)(shui)解(jie)酸(suan)(suan)(suan)(suan)化(hua)(hua)(hua)(hua)池(chi)進(jin)行攪(jiao)拌。 上(shang)一篇造紙污水處理解決方案
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