工(gong)業(ye)(ye)鹽(yan)，是化學工(gong)業(ye)(ye)的最基本(ben)原(yuan)料之一，主(zhu)要成分有氯化鈉、亞硝酸鈉等(deng)，被稱為(wei)“化學工(gong)業(ye)(ye)之母”。基本(ben)化學工(gong)業(ye)(ye)主(zhu)要產品中的鹽(yan)酸、燒堿、純堿、氯化銨、氯氣等(deng)主(zhu)要是用工(gong)業(ye)(ye)鹽(yan)為(wei)原(yuan)料生產的。

　　基(ji)本(ben)化(hua)學工(gong)(gong)(gong)(gong)業主要(yao)產(chan)(chan)品(pin)中的(de)(de)鹽(yan)(yan)酸、燒堿(jian)、純堿(jian)、氯(lv)化(hua)銨(an)、氯(lv)氣等主要(yao)是用工(gong)(gong)(gong)(gong)業鹽(yan)(yan)為原(yuan)料生產(chan)(chan)的(de)(de)。此外，還用于肥皂(zao)制(zhi)造、陶瓷(ci)、玻璃(li)生產(chan)(chan)、日用化(hua)工(gong)(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)(gong)作液、完(wan)井(jing)液、石油化(hua)工(gong)(gong)(gong)(gong)脫(tuo)水液、建筑(zhu)行業早強劑(ji)(ji)、生產(chan)(chan)涂料的(de)(de)凝(ning)(ning)固劑(ji)(ji)、橡膠(jiao)行業乳(ru)膠(jiao)凝(ning)(ning)結劑(ji)(ji)、造紙工(gong)(gong)(gong)(gong)業添加劑(ji)(ji)及廢紙張脫(tuo)墨、化(hua)學工(gong)(gong)(gong)(gong)業的(de)(de)無機(ji)化(hua)工(gong)(gong)(gong)(gong)原(yuan)料及硫酸根(gen)脫(tuo)除劑(ji)(ji)，褐藻酸鈉(na)的(de)(de)凝(ning)(ning)固劑(ji)(ji)、防(fang)(fang)治(zhi)小麥、蘋(pin)果、白菜等腐爛及食品(pin)防(fang)(fang)腐劑(ji)(ji)、制(zhi)取金屬鈉(na)及其他鈉(na)化(hua)合物(wu)、鋼(gang)鐵(tie)熱處理介質等。在水處理、公路(lu)除雪、制(zhi)冷冷藏等方面(mian)，鹽(yan)(yan)也有廣泛的(de)(de)用途(tu)