工(gong)(gong)(gong)業鹽(yan)，是(shi)(shi)化(hua)學工(gong)(gong)(gong)業的(de)最基本(ben)原料之一，主(zhu)要成分有氯(lv)化(hua)鈉(na)、亞硝酸鈉(na)等，被稱(cheng)為(wei)“化(hua)學工(gong)(gong)(gong)業之母”。基本(ben)化(hua)學工(gong)(gong)(gong)業主(zhu)要產品(pin)中的(de)鹽(yan)酸、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等主(zhu)要是(shi)(shi)用工(gong)(gong)(gong)業鹽(yan)為(wei)原料生(sheng)產的(de)。

　　基本化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)主(zhu)要(yao)產(chan)(chan)品中的(de)鹽酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨、氯氣等主(zhu)要(yao)是用工(gong)(gong)(gong)業(ye)鹽為原(yuan)料(liao)(liao)生產(chan)(chan)的(de)。此外，還用于肥皂制造、陶瓷、玻璃(li)生產(chan)(chan)、日用化(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作液、完井液、石油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水液、建筑行業(ye)早(zao)強劑(ji)(ji)(ji)(ji)、生產(chan)(chan)涂料(liao)(liao)的(de)凝固劑(ji)(ji)(ji)(ji)、橡(xiang)膠(jiao)行業(ye)乳膠(jiao)凝結劑(ji)(ji)(ji)(ji)、造紙(zhi)工(gong)(gong)(gong)業(ye)添(tian)加劑(ji)(ji)(ji)(ji)及(ji)(ji)廢紙(zhi)張脫(tuo)墨(mo)、化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)的(de)無(wu)機化(hua)(hua)工(gong)(gong)(gong)原(yuan)料(liao)(liao)及(ji)(ji)硫酸(suan)根脫(tuo)除劑(ji)(ji)(ji)(ji)，褐藻酸(suan)鈉的(de)凝固劑(ji)(ji)(ji)(ji)、防(fang)治(zhi)小(xiao)麥、蘋果(guo)、白菜等腐爛及(ji)(ji)食(shi)品防(fang)腐劑(ji)(ji)(ji)(ji)、制取金屬鈉及(ji)(ji)其他鈉化(hua)(hua)合物、鋼鐵(tie)熱(re)處理介質等。在水處理、公路除雪(xue)、制冷冷藏等方面，鹽也有廣泛的(de)用途(tu)