工(gong)(gong)業(ye)鹽，是化(hua)(hua)學(xue)工(gong)(gong)業(ye)的最(zui)基本原料之(zhi)一，主要(yao)成分有氯化(hua)(hua)鈉、亞(ya)硝酸(suan)鈉等，被稱為“化(hua)(hua)學(xue)工(gong)(gong)業(ye)之(zhi)母(mu)”。基本化(hua)(hua)學(xue)工(gong)(gong)業(ye)主要(yao)產品中(zhong)的鹽酸(suan)、燒堿、純堿、氯化(hua)(hua)銨、氯氣等主要(yao)是用工(gong)(gong)業(ye)鹽為原料生產的。

　　基(ji)本(ben)化(hua)(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)主(zhu)要(yao)產(chan)(chan)品(pin)中的(de)鹽(yan)酸(suan)、燒堿、純(chun)堿、氯(lv)化(hua)(hua)銨(an)、氯(lv)氣等主(zhu)要(yao)是用工(gong)(gong)(gong)(gong)業(ye)(ye)鹽(yan)為原料(liao)生產(chan)(chan)的(de)。此外，還用于肥皂制造(zao)、陶瓷(ci)、玻璃生產(chan)(chan)、日用化(hua)(hua)工(gong)(gong)(gong)(gong)、石油(you)鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)(gong)作液(ye)、完井液(ye)、石油(you)化(hua)(hua)工(gong)(gong)(gong)(gong)脫水(shui)液(ye)、建筑行業(ye)(ye)早強劑(ji)(ji)、生產(chan)(chan)涂料(liao)的(de)凝固(gu)劑(ji)(ji)、橡膠行業(ye)(ye)乳膠凝結劑(ji)(ji)、造(zao)紙工(gong)(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)及(ji)廢(fei)紙張脫墨、化(hua)(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)的(de)無機化(hua)(hua)工(gong)(gong)(gong)(gong)原料(liao)及(ji)硫酸(suan)根脫除劑(ji)(ji)，褐藻酸(suan)鈉的(de)凝固(gu)劑(ji)(ji)、防(fang)治小(xiao)麥、蘋(pin)果、白菜等腐(fu)爛及(ji)食品(pin)防(fang)腐(fu)劑(ji)(ji)、制取金屬鈉及(ji)其他鈉化(hua)(hua)合物、鋼鐵熱處理介質(zhi)等。在(zai)水(shui)處理、公路除雪(xue)、制冷冷藏等方面，鹽(yan)也有廣泛的(de)用途