工(gong)(gong)業鹽，是化(hua)學工(gong)(gong)業的最基(ji)本原(yuan)料之一，主要成分有氯化(hua)鈉(na)、亞(ya)硝酸鈉(na)等，被稱為“化(hua)學工(gong)(gong)業之母”。基(ji)本化(hua)學工(gong)(gong)業主要產(chan)品中的鹽酸、燒(shao)堿、純(chun)堿、氯化(hua)銨、氯氣等主要是用工(gong)(gong)業鹽為原(yuan)料生產(chan)的。

　　基本化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)主要產(chan)品(pin)中的(de)(de)鹽酸、燒堿、純堿、氯(lv)化(hua)銨(an)、氯(lv)氣等主要是用工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)鹽為原(yuan)料生(sheng)(sheng)產(chan)的(de)(de)。此外，還用于肥皂制(zhi)造、陶瓷、玻(bo)璃生(sheng)(sheng)產(chan)、日用化(hua)工(gong)(gong)(gong)(gong)、石油(you)鉆探(tan)、鉆井工(gong)(gong)(gong)(gong)作液(ye)、完井液(ye)、石油(you)化(hua)工(gong)(gong)(gong)(gong)脫水(shui)液(ye)、建筑行(xing)業(ye)(ye)(ye)早強劑(ji)(ji)(ji)(ji)、生(sheng)(sheng)產(chan)涂料的(de)(de)凝固(gu)劑(ji)(ji)(ji)(ji)、橡膠(jiao)行(xing)業(ye)(ye)(ye)乳膠(jiao)凝結劑(ji)(ji)(ji)(ji)、造紙工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)添加劑(ji)(ji)(ji)(ji)及廢紙張脫墨、化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)的(de)(de)無機化(hua)工(gong)(gong)(gong)(gong)原(yuan)料及硫酸根(gen)脫除劑(ji)(ji)(ji)(ji)，褐藻酸鈉的(de)(de)凝固(gu)劑(ji)(ji)(ji)(ji)、防(fang)治小麥、蘋果、白(bai)菜(cai)等腐(fu)爛及食品(pin)防(fang)腐(fu)劑(ji)(ji)(ji)(ji)、制(zhi)取金屬鈉及其(qi)他鈉化(hua)合物(wu)、鋼鐵熱處理介質(zhi)等。在水(shui)處理、公路(lu)除雪、制(zhi)冷冷藏等方面，鹽也有(you)廣泛的(de)(de)用途