工(gong)業鹽(yan)(yan)，是化(hua)學(xue)工(gong)業的最基本原(yuan)料(liao)之(zhi)一，主(zhu)要(yao)成分(fen)有氯化(hua)鈉(na)、亞(ya)硝酸鈉(na)等(deng)，被稱為“化(hua)學(xue)工(gong)業之(zhi)母”。基本化(hua)學(xue)工(gong)業主(zhu)要(yao)產品中的鹽(yan)(yan)酸、燒堿(jian)(jian)、純堿(jian)(jian)、氯化(hua)銨、氯氣等(deng)主(zhu)要(yao)是用工(gong)業鹽(yan)(yan)為原(yuan)料(liao)生產的。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)(ye)主要(yao)產品中(zhong)的(de)鹽酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣(qi)等(deng)主要(yao)是(shi)用工(gong)(gong)(gong)業(ye)(ye)(ye)鹽為(wei)原料(liao)生產的(de)。此外，還用于肥皂制(zhi)造、陶瓷、玻璃生產、日用化(hua)(hua)工(gong)(gong)(gong)、石油(you)鉆探、鉆井(jing)(jing)工(gong)(gong)(gong)作(zuo)液(ye)、完井(jing)(jing)液(ye)、石油(you)化(hua)(hua)工(gong)(gong)(gong)脫水(shui)液(ye)、建筑行(xing)業(ye)(ye)(ye)早強劑(ji)(ji)、生產涂料(liao)的(de)凝固劑(ji)(ji)、橡膠(jiao)行(xing)業(ye)(ye)(ye)乳膠(jiao)凝結劑(ji)(ji)、造紙工(gong)(gong)(gong)業(ye)(ye)(ye)添加劑(ji)(ji)及廢紙張脫墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)(ye)的(de)無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及硫酸根脫除(chu)劑(ji)(ji)，褐(he)藻(zao)酸鈉的(de)凝固劑(ji)(ji)、防(fang)治小麥、蘋果、白菜等(deng)腐爛及食品防(fang)腐劑(ji)(ji)、制(zhi)取金屬(shu)鈉及其他鈉化(hua)(hua)合物(wu)、鋼鐵熱處理介質等(deng)。在水(shui)處理、公(gong)路除(chu)雪、制(zhi)冷(leng)冷(leng)藏等(deng)方(fang)面，鹽也有廣泛的(de)用途