工(gong)業(ye)鹽(yan)，是化(hua)(hua)學(xue)工(gong)業(ye)的最基本(ben)原(yuan)料之一，主要(yao)成分有氯(lv)化(hua)(hua)鈉(na)、亞(ya)硝酸(suan)(suan)鈉(na)等(deng)，被稱為“化(hua)(hua)學(xue)工(gong)業(ye)之母(mu)”。基本(ben)化(hua)(hua)學(xue)工(gong)業(ye)主要(yao)產品中的鹽(yan)酸(suan)(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主要(yao)是用工(gong)業(ye)鹽(yan)為原(yuan)料生產的。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)主要產(chan)品(pin)中(zhong)的鹽(yan)(yan)酸、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主要是用(yong)工(gong)(gong)(gong)業(ye)(ye)鹽(yan)(yan)為原料生產(chan)的。此外，還用(yong)于肥皂制(zhi)造、陶瓷、玻璃生產(chan)、日(ri)用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)(shi)油(you)鉆探、鉆井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石(shi)(shi)油(you)化(hua)(hua)工(gong)(gong)(gong)脫水液(ye)、建筑行業(ye)(ye)早強劑(ji)(ji)、生產(chan)涂料的凝固(gu)劑(ji)(ji)、橡膠行業(ye)(ye)乳膠凝結劑(ji)(ji)、造紙工(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)及(ji)廢紙張脫墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)的無機化(hua)(hua)工(gong)(gong)(gong)原料及(ji)硫酸根脫除劑(ji)(ji)，褐藻酸鈉(na)(na)的凝固(gu)劑(ji)(ji)、防治小麥、蘋果、白菜等(deng)腐爛(lan)及(ji)食(shi)品(pin)防腐劑(ji)(ji)、制(zhi)取金(jin)屬鈉(na)(na)及(ji)其他鈉(na)(na)化(hua)(hua)合物、鋼鐵熱處理(li)介(jie)質(zhi)等(deng)。在水處理(li)、公路(lu)除雪、制(zhi)冷冷藏等(deng)方面，鹽(yan)(yan)也有廣泛(fan)的用(yong)途