
目前,活性炭的應用范圍很廣,城市飲用水處理除懸浮物、濁度和病原微生物的凝結→沉淀→過濾→消毒常規處理工藝為主,根據水源水的特點選擇合適的處理結構類型,結合飲用水處理工藝。氯消毒主要用于消毒,少數水廠采用二氧化氯、臭氧或紫外線消毒。出水水質一般符合國家頒布的飲用水質標準。
對于水(shui)質好的(de)(de)(de)水(shui)源(yuan)(yuan),傳統(tong)的(de)(de)(de)水(shui)處(chu)理工(gong)藝可(ke)獲得安(an)全(quan)合(he)格(ge)的(de)(de)(de)飲用(yong)水(shui)。然而(er),隨著水(shui)源(yuan)(yuan)水(shui)的(de)(de)(de)污染,傳統(tong)的(de)(de)(de)水(shui)處(chu)理工(gong)藝無法滿足飲用(yong)水(shui)急需解決的(de)(de)(de)問題(ti),如去(qu)除有(you)(you)(you)機(ji)(ji)物(wu)(wu)和(he)降低三氮含量。雖然大多(duo)數地區的(de)(de)(de)飲用(yong)水(shui)都經過(guo)了(le)常規(gui)處(chu)理,但它們(men)仍(reng)然含有(you)(you)(you)各(ge)種(zhong)微(wei)量有(you)(you)(you)機(ji)(ji)物(wu)(wu),特(te)別是有(you)(you)(you)毒(du)有(you)(you)(you)害物(wu)(wu)質、致畸物(wu)(wu)質、致癌物(wu)(wu)質和(he)突變(bian)物(wu)(wu)質,人們(men)長期飲用(yong)會(hui)出(chu)(chu)現(xian)眩(xuan)暈、疲勞(lao)、脫發(fa)和(he)癌癥發(fa)病(bing)(bing)率增加。隨著城市化和(he)工(gong)業(ye)化的(de)(de)(de)快速發(fa)展,新的(de)(de)(de)病(bing)(bing)原微(wei)生物(wu)(wu)因子不(bu)斷出(chu)(chu)現(xian)在飲用(yong)水(shui)中(zhong),氯消毒(du)不(bu)能有(you)(you)(you)效殺死賈第蟲(chong)(chong)囊、隱孢(bao)子蟲(chong)(chong)卵囊等(deng)水(shui)中(zhong)病(bing)(bing)原菌、病(bing)(bing)毒(du)和(he)抗氯病(bing)(bing)原寄生蟲(chong)(chong)。隱孢(bao)子蟲(chong)(chong)等(deng)抗氯病(bing)(bing)原微(wei)生物(wu)(wu)的(de)(de)(de)出(chu)(chu)現(xian)也質疑了(le)傳統(tong)的(de)(de)(de)氯消毒(du)工(gong)藝。
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