工(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)，是(shi)(shi)化(hua)學工(gong)(gong)業(ye)(ye)(ye)的(de)最基本(ben)原料之(zhi)一，主(zhu)要成(cheng)分有氯(lv)化(hua)鈉、亞(ya)硝酸鈉等，被稱為“化(hua)學工(gong)(gong)業(ye)(ye)(ye)之(zhi)母”。基本(ben)化(hua)學工(gong)(gong)業(ye)(ye)(ye)主(zhu)要產品中的(de)鹽(yan)(yan)酸、燒堿(jian)、純堿(jian)、氯(lv)化(hua)銨(an)、氯(lv)氣等主(zhu)要是(shi)(shi)用工(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)為原料生產的(de)。

　　基本(ben)化學工(gong)(gong)業(ye)(ye)主(zhu)(zhu)要產(chan)品(pin)中的鹽酸(suan)、燒堿、純堿、氯化銨、氯氣等(deng)主(zhu)(zhu)要是用(yong)工(gong)(gong)業(ye)(ye)鹽為原料(liao)生產(chan)的。此外，還用(yong)于肥皂(zao)制造(zao)、陶瓷、玻璃生產(chan)、日用(yong)化工(gong)(gong)、石(shi)油鉆探(tan)、鉆井工(gong)(gong)作液、完井液、石(shi)油化工(gong)(gong)脫(tuo)(tuo)水液、建筑行業(ye)(ye)早強(qiang)劑、生產(chan)涂料(liao)的凝(ning)固(gu)劑、橡膠(jiao)行業(ye)(ye)乳(ru)膠(jiao)凝(ning)結劑、造(zao)紙(zhi)(zhi)工(gong)(gong)業(ye)(ye)添(tian)加(jia)劑及(ji)(ji)廢紙(zhi)(zhi)張脫(tuo)(tuo)墨(mo)、化學工(gong)(gong)業(ye)(ye)的無機化工(gong)(gong)原料(liao)及(ji)(ji)硫(liu)酸(suan)根脫(tuo)(tuo)除劑，褐藻酸(suan)鈉(na)(na)的凝(ning)固(gu)劑、防治小(xiao)麥、蘋(pin)果、白(bai)菜等(deng)腐爛及(ji)(ji)食(shi)品(pin)防腐劑、制取金屬鈉(na)(na)及(ji)(ji)其(qi)他鈉(na)(na)化合物、鋼鐵(tie)熱處理(li)介質(zhi)等(deng)。在(zai)水處理(li)、公路除雪、制冷冷藏等(deng)方面(mian)，鹽也有廣泛(fan)的用(yong)途