dangqian，woguohuagongqiyeyongshuixingshifeichangyanjun。huagongqiyeyongshuizengchangsudukuai，yongshuixiaolvzongtishuipingjiaodi，jinruxiajihoujinyibujiajulexingyesuoxushuiziyuandeduanque。huaqijieshuijianpaikeburonghuan。  
   julejie，muqianwoguoxuduohuagongqiyedegongpaishuiheshuichulidenggongyonggongchengdoushisuizheshengchanzhuangzhidexinjianhekuojianerzhubujianchengde，jimeiyouzhengtiguihua，yetanbushangyouhua。pubiancunzaizhejiliangyibiaobuquan，guanwangjijinggaizao，quefatuzhi，yijixiaoerquan、重複建設等現象。麵對這樣的現實
，雖然化工企業節水減排有很大的空間和潛力，但如何有計劃、有步驟地把潛力挖掘出來，提高水資源利用效率
，是所有化工企業麵臨的頭等大事。
   按照“分清輕重緩急、逐步實現目標”的原則
，我國化工企業節水減排技術改造可以采用“三步”策略。 
   diyibu
，quanmianzuohaojichujilianggongzuo，tigaocaozuoguanlishuiping。huagongqiyekezaimoqingzijiayongshuidixidejichushang，jinxingshuixitongzongtiyouhuafenxi，jiangzuirongyiwajuedejieshuiqianliwadaoshou。
   第(di)二(er)步(bu)
，深(shen)入(ru)進(jin)行(xing)水(shui)網(wang)絡(luo)的(de)係(xi)統(tong)工(gong)程(cheng)分(fen)析(xi)，提(ti)高(gao)水(shui)的(de)回(hui)用(yong)率(lv)。化(hua)工(gong)企(qi)業(ye)生(sheng)產(chan)裝(zhuang)置(zhi)工(gong)藝(yi)係(xi)統(tong)排(pai)出(chu)的(de)各(ge)種(zhong)廢(fei)水(shui)不(bu)經(jing)處(chu)理(li)
，或(huo)者(zhe)經(jing)簡(jian)單(dan)處(chu)理(li)即(ji)可(ke)直(zhi)接(jie)應(ying)用(yong)於(yu)循(xun)環(huan)水(shui)係(xi)統(tong)及(ji)工(gong)藝(yi)裝(zhuang)置(zhi)的(de)，經(jing)過(guo)網(wang)絡(luo)係(xi)統(tong)優(you)化(hua)可(ke)以(yi)將(jiang)其(qi)集(ji)合(he)起(qi)來(lai)，形(xing)成(cheng)“中水道”，jinxinghelihuayongshuifenxi，bianchengxiangduiqingjingdeshuiyuanyigongquanchangliyong。zheyibudetedianshitouzifeizhuyaoyongyuguandaojianshejiguolvshebei，huaqikegenjugezishuiwangqingkuangshishi，feiyongbutaigao，zaiduanqihuozhongqijiukehuishou。 
   disanbu
，wushuizaishengliyong。jingguoqianliangbudechulihou
，paichudewushuiliangdadajianshao。danduiyubudebuzaimoduanpaichudewushui，yaotongguoyidingshebei，liru
，fanshentoulizijiaohuan、軟化等進行處理

，使其達到回用標準，再返回係統中使用。