工(gong)(gong)業鹽(yan)，是(shi)化(hua)(hua)學工(gong)(gong)業的最基本原(yuan)料(liao)之(zhi)一，主(zhu)要成分有氯(lv)化(hua)(hua)鈉、亞(ya)硝酸鈉等(deng)，被稱為“化(hua)(hua)學工(gong)(gong)業之(zhi)母”。基本化(hua)(hua)學工(gong)(gong)業主(zhu)要產品中的鹽(yan)酸、燒堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主(zhu)要是(shi)用(yong)工(gong)(gong)業鹽(yan)為原(yuan)料(liao)生產的。

　　基本化(hua)學(xue)工(gong)(gong)業(ye)主(zhu)(zhu)要產(chan)品(pin)中的鹽酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)銨、氯氣等(deng)主(zhu)(zhu)要是用(yong)工(gong)(gong)業(ye)鹽為原料生產(chan)的。此外，還用(yong)于肥(fei)皂制(zhi)造、陶瓷、玻璃生產(chan)、日用(yong)化(hua)工(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)作液(ye)(ye)、完井(jing)液(ye)(ye)、石油化(hua)工(gong)(gong)脫(tuo)(tuo)水液(ye)(ye)、建筑行業(ye)早強劑(ji)(ji)(ji)(ji)、生產(chan)涂(tu)料的凝固(gu)劑(ji)(ji)(ji)(ji)、橡膠行業(ye)乳(ru)膠凝結劑(ji)(ji)(ji)(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)(ji)(ji)(ji)及(ji)廢紙張脫(tuo)(tuo)墨、化(hua)學(xue)工(gong)(gong)業(ye)的無機化(hua)工(gong)(gong)原料及(ji)硫酸(suan)根(gen)脫(tuo)(tuo)除劑(ji)(ji)(ji)(ji)，褐(he)藻酸(suan)鈉的凝固(gu)劑(ji)(ji)(ji)(ji)、防(fang)治小(xiao)麥、蘋果、白(bai)菜等(deng)腐爛及(ji)食品(pin)防(fang)腐劑(ji)(ji)(ji)(ji)、制(zhi)取金屬鈉及(ji)其他鈉化(hua)合物、鋼鐵熱(re)處理介質等(deng)。在水處理、公(gong)路(lu)除雪、制(zhi)冷冷藏(zang)等(deng)方面(mian)，鹽也有廣泛的用(yong)途