電鍍工業園區電鍍廢水處理改擴建工程

摘要: 摘要: 介紹了某(mou)電(dian)(dian)鍍工(gong)(gong)(gong)(gong)業(ye)園(yuan)(yuan)電(dian)(dian)鍍廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)集(ji)中(zhong)處(chu)(chu)(chu)理(li)(li)(li)的工(gong)(gong)(gong)(gong)程實(shi)(shi)例, 廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)的主要特點(dian)是含(han)較高(gao)濃度(du)的Cr6+、CN- 、Cu2+、Ni+、Zn2+ 等污(wu)染(ran)物(wu)質(zhi), 且(qie)分(fen)(fen)(fen)流(liu)不(bu)徹底(di), 存在一(yi)(yi)定(ding)程度(du)混(hun)排情(qing)況(kuang)。改、擴(kuo)(kuo)(kuo)建(jian)工(gong)(gong)(gong)(gong)程中(zhong)分(fen)(fen)(fen)析實(shi)(shi)際情(qing)況(kuang), 將(jiang)各(ge)(ge)企業(ye)生產廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)分(fen)(fen)(fen)為(wei)(wei)前處(chu)(chu)(chu)理(li)(li)(li)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)、含(han)氰(qing)(qing)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)、含(han)鉻(ge)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)、綜合(he)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)、混(hun)排廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)5 種廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)分(fen)(fen)(fen)別進行(xing)(xing)處(chu)(chu)(chu)理(li)(li)(li), 處(chu)(chu)(chu)理(li)(li)(li)后(hou)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)的各(ge)(ge)項(xiang)出水(shui)(shui)(shui)(shui)(shui)指(zhi)標(biao)均達到廣東省《水(shui)(shui)(shui)(shui)(shui)污(wu)染(ran)排放(fang)限值》(DB 44 /26- 2001) 一(yi)(yi)級(ji)標(biao)準。該工(gong)(gong)(gong)(gong)程的廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)分(fen)(fen)(fen)類方(fang)法, 對同類工(gong)(gong)(gong)(gong)業(ye)園(yuan)(yuan)區(qu)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)集(ji)中(zhong)處(chu)(chu)(chu)理(li)(li)(li)的建(jian)設(she)有(you)一(yi)(yi)定(ding)借鑒意(yi)義(yi)。 關鍵(jian)(jian)詞: 電(dian)(dian)鍍廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui); 含(han)氰(qing)(qing)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui); 含(han)鉻(ge)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui); 分(fen)(fen)(fen)類處(chu)(chu)(chu)理(li)(li)(li) 某(mou)電(dian)(dian)鍍工(gong)(gong)(gong)(gong)業(ye)園(yuan)(yuan)區(qu)有(you)21 家線路(lu)板生產企業(ye), 園(yuan)(yuan)區(qu)建(jian)有(you)污(wu)水(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)廠(chang), 將(jiang)各(ge)(ge)企業(ye)生產廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)集(ji)中(zhong)進行(xing)(xing)處(chu)(chu)(chu)理(li)(li)(li)。廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)系統一(yi)(yi)期已(yi)建(jian)成投入運行(xing)(xing), 處(chu)(chu)(chu)理(li)(li)(li)水(shui)(shui)(shui)(shui)(shui)量5 000 m3 /d, 運行(xing)(xing)期間經(jing)常(chang)出現(xian)不(bu)能全因子達標(biao)情(qing)況(kuang), 且(qie)各(ge)(ge)企業(ye)生產線擴(kuo)(kuo)(kuo)容, 排放(fang)廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)量增加, 亟需(xu)進行(xing)(xing)改、擴(kuo)(kuo)(kuo)建(jian)工(gong)(gong)(gong)(gong)作。電(dian)(dian)鍍廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)工(gong)(gong)(gong)(gong)藝(yi)較為(wei)(wei)成熟,關鍵(jian)(jian)在于(yu)污(wu)水(shui)(shui)(shui)(shui)(shui)按(an)水(shui)(shui)(shui)(shui)(shui)質(zhi)嚴格(ge)分(fen)(fen)(fen)流(liu)。經(jing)過調研(yan), 從運行(xing)(xing)穩定(ding)、經(jing)濟合(he)理(li)(li)(li)兩個方(fang)面(mian)考慮將(jiang)生產廢(fei)(fei)(fei)(fei)(fei)(fei)水(shui)(shui)(shui)(shui)(shui)分(fen)(fen)(fen)為(wei)(wei)5類, 有(you)針(zhen)對性的分(fen)(fen)(fen)類處(chu)(chu)(chu)理(li)(li)(li), 以氧化還(huan)原、中(zhong)和(he)、混(hun)凝沉淀、石灰沉淀工(gong)(gong)(gong)(gong)藝(yi)

摘要: 介紹了(le)某電鍍工(gong)(gong)(gong)業(ye)園電鍍廢(fei)(fei)水(shui)(shui)集中(zhong)處(chu)(chu)理(li)的工(gong)(gong)(gong)程實例(li), 廢(fei)(fei)水(shui)(shui)的主要特點(dian)是含較高(gao)濃度的Cr6+、CN- 、Cu2+、Ni+、Zn2+ 等污染物質(zhi), 且分流不徹(che)底, 存在(zai)一定程度混(hun)排情況。改、擴建工(gong)(gong)(gong)程中(zhong)分析實際情況, 將各(ge)企業(ye)生產廢(fei)(fei)水(shui)(shui)分為前處(chu)(chu)理(li)廢(fei)(fei)水(shui)(shui)、含氰廢(fei)(fei)水(shui)(shui)、含鉻廢(fei)(fei)水(shui)(shui)、綜(zong)合廢(fei)(fei)水(shui)(shui)、混(hun)排廢(fei)(fei)水(shui)(shui)5 種廢(fei)(fei)水(shui)(shui)分別(bie)進行處(chu)(chu)理(li), 處(chu)(chu)理(li)后廢(fei)(fei)水(shui)(shui)的各(ge)項出水(shui)(shui)指標(biao)均達到廣(guang)東省《水(shui)(shui)污染排放限值(zhi)》(DB 44 /26- 2001) 一級標(biao)準。該工(gong)(gong)(gong)程的廢(fei)(fei)水(shui)(shui)分類方法, 對同(tong)類工(gong)(gong)(gong)業(ye)園區(qu)廢(fei)(fei)水(shui)(shui)集中(zhong)處(chu)(chu)理(li)的建設有一定借鑒意義(yi)。

關鍵詞: 電鍍廢水(shui); 含(han)(han)氰廢水(shui); 含(han)(han)鉻(ge)廢水(shui); 分(fen)類處理

某電鍍工(gong)業(ye)(ye)園區(qu)有21 家線(xian)路(lu)板(ban)生產企(qi)(qi)(qi)業(ye)(ye), 園區(qu)建有污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)理(li)(li)廠(chang), 將各(ge)(ge)企(qi)(qi)(qi)業(ye)(ye)生產廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)集中進行(xing)處(chu)(chu)理(li)(li)。廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)理(li)(li)系統(tong)一(yi)期(qi)(qi)已建成投入(ru)運(yun)行(xing), 處(chu)(chu)理(li)(li)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)5 000 m3 /d, 運(yun)行(xing)期(qi)(qi)間經常出現不能(neng)全(quan)因子達標(biao)情況, 且各(ge)(ge)企(qi)(qi)(qi)業(ye)(ye)生產線(xian)擴容(rong), 排(pai)放廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)增加, 亟需(xu)進行(xing)改(gai)、擴建工(gong)作。電鍍廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)理(li)(li)工(gong)藝較為成熟,關鍵(jian)在于(yu)污(wu)水(shui)(shui)(shui)(shui)(shui)(shui)按水(shui)(shui)(shui)(shui)(shui)(shui)質嚴格(ge)分(fen)流。經過調研, 從運(yun)行(xing)穩定、經濟合(he)理(li)(li)兩個方面(mian)考慮(lv)將生產廢(fei)水(shui)(shui)(shui)(shui)(shui)(shui)分(fen)為5類(lei), 有針對性的分(fen)類(lei)處(chu)(chu)理(li)(li), 以氧化還原(yuan)、中和、混凝沉(chen)淀(dian)(dian)、石(shi)灰沉(chen)淀(dian)(dian)工(gong)藝為主, 經過運(yun)行(xing)監測, 處(chu)(chu)理(li)(li)后(hou)出水(shui)(shui)(shui)(shui)(shui)(shui)各(ge)(ge)項指標(biao)均能(neng)穩定達標(biao)( 廣東省《水(shui)(shui)(shui)(shui)(shui)(shui)污(wu)染排(pai)放限值》(GB 44 /26- 2001) 一(yi)級標(biao)準) 。

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