工(gong)(gong)(gong)業(ye)鹽(yan)(yan)，是化(hua)學工(gong)(gong)(gong)業(ye)的最(zui)基本原料(liao)之一，主要(yao)(yao)成分有氯(lv)化(hua)鈉(na)(na)、亞硝酸(suan)鈉(na)(na)等，被稱為“化(hua)學工(gong)(gong)(gong)業(ye)之母”。基本化(hua)學工(gong)(gong)(gong)業(ye)主要(yao)(yao)產品中的鹽(yan)(yan)酸(suan)、燒(shao)堿(jian)、純堿(jian)、氯(lv)化(hua)銨(an)、氯(lv)氣等主要(yao)(yao)是用工(gong)(gong)(gong)業(ye)鹽(yan)(yan)為原料(liao)生產的。

　　基本化(hua)(hua)學工(gong)業主要(yao)(yao)產(chan)品中的(de)(de)鹽(yan)(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)(yao)是用(yong)工(gong)業鹽(yan)(yan)為原(yuan)料(liao)生產(chan)的(de)(de)。此外(wai)，還用(yong)于肥(fei)皂制造(zao)、陶瓷、玻璃生產(chan)、日用(yong)化(hua)(hua)工(gong)、石油鉆探、鉆井工(gong)作液(ye)、完井液(ye)、石油化(hua)(hua)工(gong)脫(tuo)水(shui)液(ye)、建(jian)筑行業早強劑、生產(chan)涂料(liao)的(de)(de)凝(ning)固劑、橡膠行業乳膠凝(ning)結劑、造(zao)紙(zhi)工(gong)業添加(jia)劑及(ji)廢紙(zhi)張脫(tuo)墨、化(hua)(hua)學工(gong)業的(de)(de)無機化(hua)(hua)工(gong)原(yuan)料(liao)及(ji)硫酸根(gen)脫(tuo)除(chu)劑，褐藻酸鈉的(de)(de)凝(ning)固劑、防治小麥(mai)、蘋果、白菜等(deng)腐爛及(ji)食品防腐劑、制取金屬鈉及(ji)其(qi)他鈉化(hua)(hua)合物、鋼(gang)鐵(tie)熱(re)處(chu)理介質(zhi)等(deng)。在水(shui)處(chu)理、公(gong)路除(chu)雪、制冷冷藏等(deng)方(fang)面，鹽(yan)(yan)也有(you)廣泛的(de)(de)用(yong)途