工(gong)業鹽，是化(hua)(hua)學(xue)工(gong)業的最(zui)基(ji)本原(yuan)料(liao)之一，主要(yao)(yao)成分有氯化(hua)(hua)鈉(na)、亞硝酸鈉(na)等(deng)，被稱為“化(hua)(hua)學(xue)工(gong)業之母(mu)”。基(ji)本化(hua)(hua)學(xue)工(gong)業主要(yao)(yao)產(chan)品(pin)中的鹽酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)(yao)是用工(gong)業鹽為原(yuan)料(liao)生產(chan)的。

　　基本(ben)化(hua)(hua)學工(gong)(gong)業(ye)(ye)主(zhu)(zhu)要產(chan)品(pin)中的鹽酸(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣(qi)等主(zhu)(zhu)要是用(yong)工(gong)(gong)業(ye)(ye)鹽為原(yuan)料生(sheng)產(chan)的。此外，還(huan)用(yong)于肥(fei)皂制(zhi)造、陶瓷、玻(bo)璃生(sheng)產(chan)、日用(yong)化(hua)(hua)工(gong)(gong)、石(shi)油鉆探、鉆井工(gong)(gong)作液(ye)、完(wan)井液(ye)、石(shi)油化(hua)(hua)工(gong)(gong)脫(tuo)水液(ye)、建(jian)筑行業(ye)(ye)早強劑(ji)(ji)、生(sheng)產(chan)涂料的凝固劑(ji)(ji)、橡膠(jiao)行業(ye)(ye)乳膠(jiao)凝結劑(ji)(ji)、造紙工(gong)(gong)業(ye)(ye)添加劑(ji)(ji)及(ji)(ji)廢紙張脫(tuo)墨、化(hua)(hua)學工(gong)(gong)業(ye)(ye)的無機化(hua)(hua)工(gong)(gong)原(yuan)料及(ji)(ji)硫酸(suan)根脫(tuo)除(chu)劑(ji)(ji)，褐藻酸(suan)鈉(na)的凝固劑(ji)(ji)、防治小(xiao)麥(mai)、蘋果、白菜等腐(fu)爛及(ji)(ji)食品(pin)防腐(fu)劑(ji)(ji)、制(zhi)取金(jin)屬鈉(na)及(ji)(ji)其他鈉(na)化(hua)(hua)合物、鋼鐵(tie)熱(re)處理介質等。在(zai)水處理、公路除(chu)雪(xue)、制(zhi)冷冷藏等方面，鹽也(ye)有(you)廣(guang)泛(fan)的用(yong)途