工(gong)業(ye)(ye)鹽(yan)(yan)，是化(hua)(hua)學工(gong)業(ye)(ye)的最基本(ben)原料之(zhi)一，主要(yao)成分有(you)氯化(hua)(hua)鈉、亞硝酸鈉等，被稱為“化(hua)(hua)學工(gong)業(ye)(ye)之(zhi)母”。基本(ben)化(hua)(hua)學工(gong)業(ye)(ye)主要(yao)產(chan)品中(zhong)的鹽(yan)(yan)酸、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨、氯氣(qi)等主要(yao)是用工(gong)業(ye)(ye)鹽(yan)(yan)為原料生產(chan)的。

　　基本(ben)化(hua)(hua)學工(gong)(gong)業主要(yao)產(chan)(chan)品中(zhong)的(de)鹽酸、燒堿、純堿、氯化(hua)(hua)銨(an)、氯氣等(deng)(deng)主要(yao)是用工(gong)(gong)業鹽為原料(liao)(liao)生產(chan)(chan)的(de)。此外(wai)，還用于肥皂(zao)制(zhi)造(zao)、陶(tao)瓷、玻璃生產(chan)(chan)、日用化(hua)(hua)工(gong)(gong)、石油(you)鉆探、鉆井工(gong)(gong)作液(ye)、完井液(ye)、石油(you)化(hua)(hua)工(gong)(gong)脫水液(ye)、建筑行業早強(qiang)劑(ji)、生產(chan)(chan)涂料(liao)(liao)的(de)凝固(gu)劑(ji)、橡膠行業乳(ru)膠凝結劑(ji)、造(zao)紙工(gong)(gong)業添(tian)加劑(ji)及(ji)廢紙張脫墨、化(hua)(hua)學工(gong)(gong)業的(de)無(wu)機(ji)化(hua)(hua)工(gong)(gong)原料(liao)(liao)及(ji)硫酸根脫除劑(ji)，褐藻(zao)酸鈉的(de)凝固(gu)劑(ji)、防治小麥、蘋(pin)果、白菜等(deng)(deng)腐爛及(ji)食(shi)品防腐劑(ji)、制(zhi)取金屬鈉及(ji)其他鈉化(hua)(hua)合物、鋼鐵熱處理(li)介質等(deng)(deng)。在水處理(li)、公(gong)路除雪、制(zhi)冷冷藏等(deng)(deng)方面，鹽也(ye)有廣(guang)泛的(de)用途