工(gong)業(ye)鹽(yan)，是化(hua)(hua)學工(gong)業(ye)的(de)(de)最基(ji)本原料之一，主(zhu)要(yao)成分(fen)有氯(lv)化(hua)(hua)鈉、亞硝酸(suan)鈉等(deng)，被稱為“化(hua)(hua)學工(gong)業(ye)之母”。基(ji)本化(hua)(hua)學工(gong)業(ye)主(zhu)要(yao)產(chan)品中的(de)(de)鹽(yan)酸(suan)、燒堿(jian)(jian)、純堿(jian)(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主(zhu)要(yao)是用工(gong)業(ye)鹽(yan)為原料生產(chan)的(de)(de)。

　　基本(ben)化(hua)學工(gong)(gong)(gong)業(ye)主要產(chan)品(pin)中的(de)(de)鹽酸、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等(deng)主要是用(yong)(yong)工(gong)(gong)(gong)業(ye)鹽為原(yuan)料(liao)生(sheng)產(chan)的(de)(de)。此(ci)外，還用(yong)(yong)于(yu)肥(fei)皂制造(zao)、陶瓷、玻璃生(sheng)產(chan)、日用(yong)(yong)化(hua)工(gong)(gong)(gong)、石油鉆探(tan)、鉆井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石油化(hua)工(gong)(gong)(gong)脫水(shui)液(ye)、建筑行(xing)業(ye)早強(qiang)劑(ji)(ji)(ji)、生(sheng)產(chan)涂料(liao)的(de)(de)凝固(gu)劑(ji)(ji)(ji)、橡膠行(xing)業(ye)乳膠凝結劑(ji)(ji)(ji)、造(zao)紙(zhi)工(gong)(gong)(gong)業(ye)添加劑(ji)(ji)(ji)及廢紙(zhi)張脫墨、化(hua)學工(gong)(gong)(gong)業(ye)的(de)(de)無(wu)機化(hua)工(gong)(gong)(gong)原(yuan)料(liao)及硫(liu)酸根(gen)脫除劑(ji)(ji)(ji)，褐藻(zao)酸鈉(na)的(de)(de)凝固(gu)劑(ji)(ji)(ji)、防治小麥、蘋(pin)果、白菜等(deng)腐爛及食品(pin)防腐劑(ji)(ji)(ji)、制取(qu)金屬鈉(na)及其他鈉(na)化(hua)合物、鋼鐵熱處理(li)介質等(deng)。在水(shui)處理(li)、公路除雪(xue)、制冷冷藏等(deng)方面，鹽也有廣泛的(de)(de)用(yong)(yong)途(tu)