工(gong)業鹽(yan)，是(shi)化學工(gong)業的(de)最基本原料之一(yi)，主要(yao)成分有氯(lv)化鈉、亞硝(xiao)酸鈉等(deng)，被(bei)稱(cheng)為“化學工(gong)業之母”。基本化學工(gong)業主要(yao)產品中(zhong)的(de)鹽(yan)酸、燒堿、純堿、氯(lv)化銨、氯(lv)氣等(deng)主要(yao)是(shi)用工(gong)業鹽(yan)為原料生產的(de)。

　　基(ji)本化(hua)(hua)學(xue)工(gong)(gong)(gong)業主(zhu)要產(chan)品中(zhong)的(de)鹽(yan)酸、燒(shao)堿(jian)、純堿(jian)、氯化(hua)(hua)銨(an)、氯氣等(deng)(deng)主(zhu)要是(shi)用(yong)工(gong)(gong)(gong)業鹽(yan)為原料(liao)生(sheng)(sheng)產(chan)的(de)。此外，還用(yong)于肥皂制造、陶(tao)瓷、玻璃生(sheng)(sheng)產(chan)、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油鉆探、鉆井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石(shi)油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水(shui)液(ye)、建筑行(xing)業早強劑、生(sheng)(sheng)產(chan)涂料(liao)的(de)凝固(gu)劑、橡膠行(xing)業乳膠凝結劑、造紙工(gong)(gong)(gong)業添(tian)加劑及廢紙張脫(tuo)墨(mo)、化(hua)(hua)學(xue)工(gong)(gong)(gong)業的(de)無(wu)機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及硫酸根脫(tuo)除劑，褐藻酸鈉的(de)凝固(gu)劑、防治小麥、蘋果、白菜等(deng)(deng)腐(fu)爛及食品防腐(fu)劑、制取金屬鈉及其(qi)他鈉化(hua)(hua)合物、鋼鐵熱處理(li)介質等(deng)(deng)。在水(shui)處理(li)、公路除雪、制冷(leng)冷(leng)藏等(deng)(deng)方面，鹽(yan)也有(you)廣泛(fan)的(de)用(yong)途(tu)