工(gong)(gong)業(ye)鹽(yan)，是化(hua)學工(gong)(gong)業(ye)的(de)(de)(de)最基本(ben)原料之(zhi)(zhi)一，主要成分(fen)有氯化(hua)鈉(na)、亞(ya)硝酸(suan)鈉(na)等(deng)，被(bei)稱為“化(hua)學工(gong)(gong)業(ye)之(zhi)(zhi)母(mu)”。基本(ben)化(hua)學工(gong)(gong)業(ye)主要產(chan)(chan)品中的(de)(de)(de)鹽(yan)酸(suan)、燒(shao)堿、純堿、氯化(hua)銨、氯氣等(deng)主要是用(yong)工(gong)(gong)業(ye)鹽(yan)為原料生產(chan)(chan)的(de)(de)(de)。

　　基本化(hua)(hua)學(xue)工(gong)(gong)業主(zhu)要產品(pin)中(zhong)的(de)(de)鹽酸(suan)(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等主(zhu)要是用(yong)工(gong)(gong)業鹽為(wei)原(yuan)料(liao)(liao)生(sheng)產的(de)(de)。此外，還用(yong)于肥皂制(zhi)造、陶(tao)瓷、玻璃生(sheng)產、日用(yong)化(hua)(hua)工(gong)(gong)、石(shi)油鉆探(tan)、鉆井工(gong)(gong)作(zuo)液、完(wan)井液、石(shi)油化(hua)(hua)工(gong)(gong)脫水(shui)液、建筑行(xing)業早強劑(ji)(ji)、生(sheng)產涂(tu)料(liao)(liao)的(de)(de)凝固(gu)劑(ji)(ji)、橡膠行(xing)業乳膠凝結劑(ji)(ji)、造紙(zhi)工(gong)(gong)業添加劑(ji)(ji)及廢紙(zhi)張脫墨、化(hua)(hua)學(xue)工(gong)(gong)業的(de)(de)無(wu)機化(hua)(hua)工(gong)(gong)原(yuan)料(liao)(liao)及硫酸(suan)(suan)根脫除劑(ji)(ji)，褐藻(zao)酸(suan)(suan)鈉的(de)(de)凝固(gu)劑(ji)(ji)、防(fang)治小麥、蘋果、白菜等腐爛及食品(pin)防(fang)腐劑(ji)(ji)、制(zhi)取金屬鈉及其(qi)他鈉化(hua)(hua)合物(wu)、鋼鐵熱處理(li)介質等。在水(shui)處理(li)、公路除雪、制(zhi)冷冷藏等方(fang)面，鹽也有廣泛的(de)(de)用(yong)途