工(gong)(gong)業鹽，是(shi)化學工(gong)(gong)業的(de)最(zui)基本原(yuan)料之一，主要(yao)(yao)成分有(you)氯化鈉、亞(ya)硝酸(suan)鈉等，被稱為(wei)“化學工(gong)(gong)業之母”。基本化學工(gong)(gong)業主要(yao)(yao)產(chan)品(pin)中的(de)鹽酸(suan)、燒(shao)堿(jian)、純堿(jian)、氯化銨、氯氣等主要(yao)(yao)是(shi)用(yong)工(gong)(gong)業鹽為(wei)原(yuan)料生(sheng)產(chan)的(de)。

　　基本化(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)主要產(chan)品中的(de)(de)鹽(yan)酸(suan)、燒(shao)堿、純堿、氯(lv)化(hua)(hua)(hua)銨、氯(lv)氣等主要是用(yong)工(gong)(gong)業(ye)(ye)(ye)鹽(yan)為原料(liao)生(sheng)產(chan)的(de)(de)。此外(wai)，還用(yong)于肥皂制(zhi)(zhi)造、陶瓷、玻璃生(sheng)產(chan)、日用(yong)化(hua)(hua)(hua)工(gong)(gong)、石(shi)油鉆探、鉆井(jing)工(gong)(gong)作液、完井(jing)液、石(shi)油化(hua)(hua)(hua)工(gong)(gong)脫水液、建筑行業(ye)(ye)(ye)早強劑、生(sheng)產(chan)涂(tu)料(liao)的(de)(de)凝固劑、橡膠(jiao)行業(ye)(ye)(ye)乳膠(jiao)凝結劑、造紙工(gong)(gong)業(ye)(ye)(ye)添(tian)加劑及廢紙張(zhang)脫墨、化(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)的(de)(de)無(wu)機化(hua)(hua)(hua)工(gong)(gong)原料(liao)及硫酸(suan)根(gen)脫除(chu)劑，褐藻酸(suan)鈉(na)的(de)(de)凝固劑、防治小麥、蘋果、白菜等腐爛及食品防腐劑、制(zhi)(zhi)取金屬鈉(na)及其他鈉(na)化(hua)(hua)(hua)合物、鋼鐵熱處理(li)介質等。在水處理(li)、公路除(chu)雪(xue)、制(zhi)(zhi)冷冷藏等方(fang)面(mian)，鹽(yan)也(ye)有廣泛的(de)(de)用(yong)途(tu)