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一、概述
洗滌(di)廢(fei)水(shui)(shui)主(zhu)要(yao)由肥皂(zao),油脂(zhi),合(he)成(cheng)洗滌(di)劑,清(qing)潔(jie)劑以及少量細菌,大腸菌群,病毒等有(you)害物質(zhi)組成(cheng),已成(cheng)為重要(yao)的水(shui)(shui)質(zhi)污染源,洗滌(di)廢(fei)水(shui)(shui)排入(ru)水(shui)(shui)體后,消耗溶解(jie)氧,并對水(shui)(shui)生生物有(you)輕微(wei)毒性,能造(zao)成(cheng)魚(yu)類畸形(xing),其中所含磷酸鹽溶劑會造(zao)成(cheng)水(shui)(shui)體富營養化。
二、洗滌廠污水處理設備范圍
床單(dan)被罩清(qing)(qing)洗(xi)(xi)(xi),賓館床單(dan)被罩清(qing)(qing)洗(xi)(xi)(xi),酒店床單(dan)被罩清(qing)(qing)洗(xi)(xi)(xi),洗(xi)(xi)(xi)浴中(zhong)心毛巾清(qing)(qing)洗(xi)(xi)(xi),服(fu)裝廠衣物清(qing)(qing)洗(xi)(xi)(xi),洗(xi)(xi)(xi)衣房洗(xi)(xi)(xi)衣廠洗(xi)(xi)(xi)滌費水處理等
三、洗滌廠污水處理設備工藝流程
污水→格(ge)柵(zha)→調節池物(wu)(wu)化(hua)預處(chu)理→水解(jie)酸化(hua)+接觸氧(yang)化(hua)→消(xiao)毒→石英砂過(guo)(guo)濾→或(huo)MBR膜(mo)分離技(ji)術(shu)→達標排(pai)放(fang):各單元(yuan)的(de)(de)作(zuo)用是:通過(guo)(guo)格(ge)柵(zha)去(qu)(qu)除污水中大的(de)(de)懸(xuan)浮物(wu)(wu)(衣物(wu)(wu)中的(de)(de)毛、纖維等(deng)),物(wu)(wu)化(hua)預處(chu)理主要去(qu)(qu)除部分COD、TP、LAS、SS等(deng),生物(wu)(wu)處(chu)理段(duan)進一步去(qu)(qu)除COD、TP、LAS、SS等(deng),經消(xiao)毒后通過(guo)(guo)石英砂過(guo)(guo)濾去(qu)(qu)除殘留懸浮物,然后進入活性炭(tan)吸(xi)附器,對(dui)殘留難除解污(wu)染物進一(yi)步吸(xi)附,然后通(tong)過離子(zi)交換系(xi)統(tong)去除污(wu)水的硬(ying)度(Ca2+、Mg2+)。