工(gong)業(ye)鹽(yan)，是(shi)化學工(gong)業(ye)的最基本原料之(zhi)一(yi)，主(zhu)(zhu)要成分有氯化鈉(na)、亞(ya)硝(xiao)酸(suan)鈉(na)等，被稱為“化學工(gong)業(ye)之(zhi)母”。基本化學工(gong)業(ye)主(zhu)(zhu)要產品中的鹽(yan)酸(suan)、燒(shao)堿(jian)、純堿(jian)、氯化銨、氯氣等主(zhu)(zhu)要是(shi)用(yong)工(gong)業(ye)鹽(yan)為原料生(sheng)產的。

　　基(ji)本化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)主要產(chan)品中(zhong)的(de)鹽(yan)酸、燒堿、純(chun)堿、氯化(hua)(hua)銨(an)、氯氣等(deng)主要是用(yong)工(gong)(gong)(gong)業(ye)(ye)鹽(yan)為原料生產(chan)的(de)。此外，還(huan)用(yong)于(yu)肥皂制造(zao)、陶瓷、玻(bo)璃生產(chan)、日(ri)用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作(zuo)液(ye)、完井液(ye)、石(shi)油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水液(ye)、建筑行業(ye)(ye)早強劑(ji)(ji)(ji)、生產(chan)涂(tu)料的(de)凝固(gu)劑(ji)(ji)(ji)、橡(xiang)膠行業(ye)(ye)乳膠凝結劑(ji)(ji)(ji)、造(zao)紙工(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)(ji)及(ji)(ji)廢紙張脫(tuo)墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)的(de)無機化(hua)(hua)工(gong)(gong)(gong)原料及(ji)(ji)硫(liu)酸根(gen)脫(tuo)除(chu)劑(ji)(ji)(ji)，褐藻酸鈉(na)的(de)凝固(gu)劑(ji)(ji)(ji)、防治小麥、蘋果(guo)、白(bai)菜等(deng)腐爛及(ji)(ji)食(shi)品防腐劑(ji)(ji)(ji)、制取金屬鈉(na)及(ji)(ji)其他(ta)鈉(na)化(hua)(hua)合物、鋼鐵(tie)熱處理介質等(deng)。在水處理、公(gong)路除(chu)雪、制冷冷藏(zang)等(deng)方面(mian)，鹽(yan)也有廣(guang)泛的(de)用(yong)途(tu)