工(gong)業(ye)鹽(yan)，是(shi)化(hua)學工(gong)業(ye)的最基(ji)(ji)本原料(liao)之一(yi)，主(zhu)(zhu)要(yao)成分(fen)有(you)氯(lv)化(hua)鈉、亞(ya)硝酸鈉等，被(bei)稱為“化(hua)學工(gong)業(ye)之母”。基(ji)(ji)本化(hua)學工(gong)業(ye)主(zhu)(zhu)要(yao)產品中的鹽(yan)酸、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等主(zhu)(zhu)要(yao)是(shi)用工(gong)業(ye)鹽(yan)為原料(liao)生產的。

　　基本(ben)化學(xue)工(gong)(gong)(gong)業(ye)主(zhu)要產(chan)(chan)品中的(de)鹽(yan)酸(suan)、燒堿、純堿、氯化銨、氯氣等主(zhu)要是用(yong)工(gong)(gong)(gong)業(ye)鹽(yan)為原(yuan)料生產(chan)(chan)的(de)。此外(wai)，還(huan)用(yong)于肥皂制(zhi)造(zao)、陶瓷(ci)、玻璃生產(chan)(chan)、日用(yong)化工(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)作(zuo)液(ye)、完井(jing)液(ye)、石油化工(gong)(gong)(gong)脫(tuo)水液(ye)、建筑行業(ye)早強劑(ji)、生產(chan)(chan)涂(tu)料的(de)凝(ning)(ning)固劑(ji)、橡膠(jiao)行業(ye)乳(ru)膠(jiao)凝(ning)(ning)結劑(ji)、造(zao)紙(zhi)工(gong)(gong)(gong)業(ye)添加劑(ji)及(ji)(ji)廢紙(zhi)張(zhang)脫(tuo)墨、化學(xue)工(gong)(gong)(gong)業(ye)的(de)無機(ji)化工(gong)(gong)(gong)原(yuan)料及(ji)(ji)硫酸(suan)根脫(tuo)除劑(ji)，褐藻酸(suan)鈉的(de)凝(ning)(ning)固劑(ji)、防治小麥、蘋果(guo)、白菜等腐爛及(ji)(ji)食(shi)品防腐劑(ji)、制(zhi)取金屬鈉及(ji)(ji)其他(ta)鈉化合物、鋼鐵(tie)熱處理介質等。在水處理、公路除雪(xue)、制(zhi)冷(leng)冷(leng)藏等方面，鹽(yan)也有(you)廣泛(fan)的(de)用(yong)途