工(gong)(gong)業(ye)鹽，是(shi)(shi)化學(xue)工(gong)(gong)業(ye)的最基本原料(liao)之一，主要成分有氯化鈉、亞硝(xiao)酸鈉等，被稱(cheng)為“化學(xue)工(gong)(gong)業(ye)之母(mu)”。基本化學(xue)工(gong)(gong)業(ye)主要產品中的鹽酸、燒(shao)堿、純堿、氯化銨、氯氣等主要是(shi)(shi)用工(gong)(gong)業(ye)鹽為原料(liao)生產的。

　　基本(ben)化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)主(zhu)要(yao)產(chan)(chan)品中的(de)鹽(yan)酸(suan)、燒堿、純堿、氯化(hua)(hua)(hua)銨、氯氣等主(zhu)要(yao)是用(yong)工(gong)(gong)(gong)業(ye)鹽(yan)為原料(liao)(liao)生(sheng)產(chan)(chan)的(de)。此外(wai)，還用(yong)于肥皂(zao)制造(zao)、陶瓷、玻璃生(sheng)產(chan)(chan)、日用(yong)化(hua)(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井(jing)工(gong)(gong)(gong)作液、完井(jing)液、石油化(hua)(hua)(hua)工(gong)(gong)(gong)脫(tuo)水液、建筑行業(ye)早強劑(ji)、生(sheng)產(chan)(chan)涂(tu)料(liao)(liao)的(de)凝固(gu)劑(ji)、橡膠(jiao)行業(ye)乳膠(jiao)凝結劑(ji)、造(zao)紙(zhi)工(gong)(gong)(gong)業(ye)添加劑(ji)及(ji)廢紙(zhi)張脫(tuo)墨、化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)的(de)無機化(hua)(hua)(hua)工(gong)(gong)(gong)原料(liao)(liao)及(ji)硫酸(suan)根(gen)脫(tuo)除(chu)劑(ji)，褐藻酸(suan)鈉的(de)凝固(gu)劑(ji)、防(fang)治小麥、蘋果、白菜等腐爛及(ji)食品防(fang)腐劑(ji)、制取金屬鈉及(ji)其他(ta)鈉化(hua)(hua)(hua)合物、鋼鐵熱處(chu)理(li)介(jie)質等。在(zai)水處(chu)理(li)、公路除(chu)雪、制冷冷藏等方面，鹽(yan)也有廣泛的(de)用(yong)途(tu)