工(gong)業(ye)鹽(yan)(yan)，是化(hua)學工(gong)業(ye)的(de)(de)最基本(ben)原(yuan)料之一，主(zhu)要成(cheng)分有氯(lv)化(hua)鈉(na)、亞硝酸(suan)鈉(na)等(deng)，被稱為“化(hua)學工(gong)業(ye)之母(mu)”。基本(ben)化(hua)學工(gong)業(ye)主(zhu)要產(chan)(chan)品中的(de)(de)鹽(yan)(yan)酸(suan)、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等(deng)主(zhu)要是用工(gong)業(ye)鹽(yan)(yan)為原(yuan)料生(sheng)產(chan)(chan)的(de)(de)。

　　基本化(hua)學(xue)工(gong)(gong)(gong)(gong)業主(zhu)要(yao)產(chan)品中的鹽(yan)酸、燒堿、純堿、氯化(hua)銨、氯氣等主(zhu)要(yao)是(shi)用工(gong)(gong)(gong)(gong)業鹽(yan)為原料(liao)(liao)生產(chan)的。此(ci)外，還用于肥皂制(zhi)造、陶(tao)瓷、玻(bo)璃生產(chan)、日用化(hua)工(gong)(gong)(gong)(gong)、石(shi)油(you)鉆探、鉆井(jing)工(gong)(gong)(gong)(gong)作液(ye)(ye)、完井(jing)液(ye)(ye)、石(shi)油(you)化(hua)工(gong)(gong)(gong)(gong)脫(tuo)水(shui)液(ye)(ye)、建筑行(xing)業早強(qiang)劑(ji)(ji)(ji)、生產(chan)涂料(liao)(liao)的凝固劑(ji)(ji)(ji)、橡膠行(xing)業乳膠凝結(jie)劑(ji)(ji)(ji)、造紙工(gong)(gong)(gong)(gong)業添加劑(ji)(ji)(ji)及(ji)廢紙張脫(tuo)墨、化(hua)學(xue)工(gong)(gong)(gong)(gong)業的無機化(hua)工(gong)(gong)(gong)(gong)原料(liao)(liao)及(ji)硫酸根脫(tuo)除劑(ji)(ji)(ji)，褐藻(zao)酸鈉(na)的凝固劑(ji)(ji)(ji)、防治小麥、蘋果、白(bai)菜(cai)等腐(fu)爛及(ji)食品防腐(fu)劑(ji)(ji)(ji)、制(zhi)取金屬(shu)鈉(na)及(ji)其他鈉(na)化(hua)合(he)物(wu)、鋼鐵(tie)熱處理介質等。在水(shui)處理、公路除雪、制(zhi)冷冷藏等方面，鹽(yan)也有廣泛的用途