工(gong)業(ye)(ye)(ye)鹽(yan)，是化學工(gong)業(ye)(ye)(ye)的最基本原(yuan)料之一(yi)，主(zhu)要成分(fen)有氯(lv)化鈉、亞硝酸鈉等(deng)，被稱為“化學工(gong)業(ye)(ye)(ye)之母”。基本化學工(gong)業(ye)(ye)(ye)主(zhu)要產(chan)品中(zhong)的鹽(yan)酸、燒堿、純堿、氯(lv)化銨(an)、氯(lv)氣(qi)等(deng)主(zhu)要是用工(gong)業(ye)(ye)(ye)鹽(yan)為原(yuan)料生產(chan)的。

　　基(ji)本(ben)化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)主要產(chan)(chan)品中的鹽酸、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等(deng)主要是用工(gong)(gong)(gong)(gong)業(ye)(ye)鹽為(wei)原料生(sheng)產(chan)(chan)的。此(ci)外，還用于肥皂制造、陶瓷(ci)、玻璃生(sheng)產(chan)(chan)、日用化(hua)工(gong)(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)(gong)作液、完井(jing)液、石油化(hua)工(gong)(gong)(gong)(gong)脫水(shui)液、建筑行業(ye)(ye)早強(qiang)劑(ji)(ji)(ji)、生(sheng)產(chan)(chan)涂料的凝固(gu)劑(ji)(ji)(ji)、橡(xiang)膠(jiao)行業(ye)(ye)乳膠(jiao)凝結劑(ji)(ji)(ji)、造紙工(gong)(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)(ji)及(ji)廢紙張脫墨、化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)的無機化(hua)工(gong)(gong)(gong)(gong)原料及(ji)硫酸根脫除劑(ji)(ji)(ji)，褐藻酸鈉(na)的凝固(gu)劑(ji)(ji)(ji)、防治小(xiao)麥、蘋(pin)果、白(bai)菜等(deng)腐爛(lan)及(ji)食品防腐劑(ji)(ji)(ji)、制取金屬鈉(na)及(ji)其他鈉(na)化(hua)合物、鋼鐵熱(re)處理(li)(li)介質等(deng)。在水(shui)處理(li)(li)、公路除雪、制冷冷藏等(deng)方面，鹽也有(you)廣泛的用途