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苏(Su)州(Zhou)理(Li)则(Ze)环(Huan)保(Bao)科(Ke)技(Ji)有(You)限(Xian)公(Gong)司(Si)-印(Yin)染(Ran)废(Fei)水(Shui)处(Chu)理(Li)介(Jie)绍(Shao)
苏(Su)州(Zhou)理(Li)则(Ze)环(Huan)保(Bao)科(Ke)技(Ji)有(You)限(Xian)公(Gong)司(Si)-印(Yin)染(Ran)废(Fei)水(Shui)处(Chu)理(Li)工(Gong)艺(Yi)流(Liu)程(Cheng)
(一(Yi))废(Fei)水(Shui)的(De)水(Shui)质(Zhi)特(Te)点(Dian)以(Yi)棉(Mian)纺(Fang)和(He)混(Hun)纺(Fang)产(Chan)品(Pin)为(Wei)主(Zhu)的(De)印(Yin)染(Ran)厂(Chang),(?)排(Pai)出(Chu)的(De)多(Duo)种(Zhong)废(Fei)水(Shui)及(Ji)水(Shui)质(Zhi)特(Te)点(Dian)为(Wei):(?)
1)退(Tui)浆(Jiang)废(Fei)水(Shui)退(Tui)浆(Jiang)废(Fei)水(Shui)是(Shi)碱(Jian)性(Xing)的(De)有(You)机(Ji)废(Fei)水(Shui),(?)含(Han)多(Duo)种(Zhong)浆(Jiang)料(Liao)分(Fen)解(Jie)物(Wu)、(?)纤(Xian)维(Wei)屑(Xie),(?)酸(Suan)和(He)酶(Mei)等(Deng)污(Wu)染(Ran)物(Wu)。(?)其(Qi)污(Wu)染(Ran)程(Cheng)度(Du)视(Shi)浆(Jiang)料(Liao)的(De)种(Zhong)类(Lei)而(?)异(Yi)。(?)过(Guo)去(Qu)多(Duo)用(Yong)天(Tian)然(Ran)淀(Dian)粉(Fen)作(Zuo)浆(Jiang)料(Liao),(?)水(Shui)中(Zhong)BOD高(Gao),(?)近(Jin)些(Xie)年(Nian)来(Lai),(?)逐(Zhu)渐(Jian)由(You)化(Hua)学(Xue)浆(Jiang)料(Liao)代(Dai)替(Ti),(?)如(Ru)聚(Ju)乙(Yi)稀(Xi)醇(Chun)(PVA),(?)废(Fei)水(Shui)中(Zhong)BOD很(Hen)低(Di),(?)但(Dan)COD很(Hen)高(Gao),(?)从(Cong)而(?)降(Jiang)低(Di)了(Liao)废(Fei)水(Shui)的(De)生(Sheng)物(Wu)降(Jiang)解(Jie)性(Xing)能(Neng)。(?)
2)煮(Zhu)炼(Lian)废(Fei)水(Shui)废(Fei)水(Shui)呈(Cheng)深(Shen)褐(He)色(Se),(?)含(Han)碱(Jian)浓(Nong)度(Du)约(Yue)0.3%,(?)废(Fei)水(Shui)BOD和(He)COD均(Jun)高(Gao)达(Da)数(Shu)千(Qian)毫(Hao)克(Ke)/升(Sheng)。(?)
3)漂(Piao)白(Bai)废(Fei)水(Shui)水(Shui)量(Liang)大(Da),(?)污(Wu)染(Ran)轻(Qing),(?)可(Ke)直(Zhi)接(Jie)排(Pai)放(Fang)或(Huo)循(Xun)环(Huan)回(Hui)用(Yong)。(?)
4)丝(Si)光(Guang)废(Fei)水(Shui)含(Han)氢(Qing)氧(Yang)化(Hua)钠(Na)3%~(?)5%,(?)一(Yi)般(Ban)通(Tong)过(Guo)蒸(Zheng)发(Fa)浓(Nong)缩(Suo)回(Hui)收(Shou),(?)工(Gong)艺(Yi)上(Shang)可(Ke)重(Zhong)复(Fu)使(Shi)用(Yong),(?)外(Wai)排(Pai)的(De)丝(Si)光(Guang)废(Fei)水(Shui)呈(Cheng)碱(Jian)性(Xing),(?)BOD高(Gao)于(Yu)生(Sheng)活(Huo)污(Wu)水(Shui)。(?)
5)染(Ran)色(Se)废(Fei)水(Shui)主(Zhu)要(Yao)污(Wu)染(Ran)是(Shi)有(You)机(Ji)染(Ran)料(Liao)和(He)表(Biao)面(Mian)活(Huo)性(Xing)剂(Ji)等(Deng)助(Zhu)剂(Ji)。(?)水(Shui)质(Zhi)变(Bian)化(Hua)大(Da),(?)色(Se)泽(Ze)深(Shen),(?)pH值(Zhi)高(Gao)。(?)
6)印(Yin)花(Hua)废(Fei)水(Shui)主(Zhu)要(Yao)是(Shi)皂(Zao)洗(Xi)、(?)水(Shui)洗(Xi)废(Fei)水(Shui)。(?)在(Zai)采(Cai)用(Yong)活(Huo)性(Xing)染(Ran)料(Liao)时(Shi)要(Yao)用(Yong)大(Da)量(Liang)的(De)尿(Niao)素(Su),(?)故(Gu)废(Fei)水(Shui)中(Zhong)氨(An)氮(Dan)较(Jiao)高(Gao)。(?)
7)整(Zheng)理(Li)废(Fei)水(Shui)水(Shui)量(Liang)少(Shao),(?)含(Han)有(You)各(Ge)种(Zhong)树(Shu)脂(Zhi),(?)甲(Jia)醛(Quan),(?)表(Biao)面(Mian)活(Huo)性(Xing)剂(Ji)等(Deng)。(?)