工(gong)業(ye)(ye)鹽(yan)，是(shi)化(hua)學(xue)工(gong)業(ye)(ye)的最基本原料(liao)之一，主要(yao)成分有氯化(hua)鈉、亞硝(xiao)酸(suan)鈉等，被稱(cheng)為“化(hua)學(xue)工(gong)業(ye)(ye)之母”。基本化(hua)學(xue)工(gong)業(ye)(ye)主要(yao)產(chan)品中的鹽(yan)酸(suan)、燒堿、純(chun)堿、氯化(hua)銨、氯氣(qi)等主要(yao)是(shi)用工(gong)業(ye)(ye)鹽(yan)為原料(liao)生產(chan)的。

　　基(ji)本化學工(gong)(gong)(gong)(gong)(gong)業(ye)(ye)主要(yao)產品中(zhong)的(de)(de)鹽酸(suan)、燒堿(jian)(jian)、純堿(jian)(jian)、氯(lv)化銨、氯(lv)氣等(deng)主要(yao)是用工(gong)(gong)(gong)(gong)(gong)業(ye)(ye)鹽為原料生(sheng)產的(de)(de)。此外(wai)，還(huan)用于肥皂制造、陶瓷、玻(bo)璃生(sheng)產、日用化工(gong)(gong)(gong)(gong)(gong)、石油鉆探、鉆井工(gong)(gong)(gong)(gong)(gong)作液(ye)、完井液(ye)、石油化工(gong)(gong)(gong)(gong)(gong)脫(tuo)水液(ye)、建筑行(xing)業(ye)(ye)早強劑(ji)(ji)(ji)、生(sheng)產涂料的(de)(de)凝(ning)(ning)固劑(ji)(ji)(ji)、橡膠行(xing)業(ye)(ye)乳膠凝(ning)(ning)結劑(ji)(ji)(ji)、造紙(zhi)工(gong)(gong)(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)(ji)及廢紙(zhi)張(zhang)脫(tuo)墨、化學工(gong)(gong)(gong)(gong)(gong)業(ye)(ye)的(de)(de)無機化工(gong)(gong)(gong)(gong)(gong)原料及硫酸(suan)根脫(tuo)除(chu)劑(ji)(ji)(ji)，褐藻酸(suan)鈉的(de)(de)凝(ning)(ning)固劑(ji)(ji)(ji)、防(fang)(fang)治小麥、蘋果(guo)、白菜等(deng)腐(fu)爛(lan)及食品防(fang)(fang)腐(fu)劑(ji)(ji)(ji)、制取金(jin)屬鈉及其他鈉化合物、鋼鐵熱(re)處理(li)介質等(deng)。在水處理(li)、公路除(chu)雪、制冷(leng)冷(leng)藏等(deng)方面(mian)，鹽也(ye)有廣泛的(de)(de)用途