工(gong)業(ye)(ye)(ye)鹽，是化(hua)學工(gong)業(ye)(ye)(ye)的最基本原(yuan)料(liao)之(zhi)一，主要(yao)成(cheng)分(fen)有氯(lv)化(hua)鈉、亞硝酸鈉等，被稱(cheng)為“化(hua)學工(gong)業(ye)(ye)(ye)之(zhi)母”。基本化(hua)學工(gong)業(ye)(ye)(ye)主要(yao)產品中(zhong)的鹽酸、燒堿、純堿、氯(lv)化(hua)銨、氯(lv)氣等主要(yao)是用工(gong)業(ye)(ye)(ye)鹽為原(yuan)料(liao)生(sheng)產的。

　　基本化(hua)(hua)學工(gong)(gong)業(ye)(ye)(ye)主要(yao)產(chan)(chan)(chan)(chan)品中(zhong)的(de)(de)鹽酸、燒堿、純堿、氯化(hua)(hua)銨(an)、氯氣等(deng)主要(yao)是用工(gong)(gong)業(ye)(ye)(ye)鹽為原料生(sheng)產(chan)(chan)(chan)(chan)的(de)(de)。此外，還用于肥皂(zao)制造、陶瓷、玻璃(li)生(sheng)產(chan)(chan)(chan)(chan)、日(ri)用化(hua)(hua)工(gong)(gong)、石油(you)鉆(zhan)探、鉆(zhan)井工(gong)(gong)作液、完井液、石油(you)化(hua)(hua)工(gong)(gong)脫水液、建筑行業(ye)(ye)(ye)早強劑、生(sheng)產(chan)(chan)(chan)(chan)涂料的(de)(de)凝(ning)固(gu)劑、橡膠行業(ye)(ye)(ye)乳膠凝(ning)結劑、造紙工(gong)(gong)業(ye)(ye)(ye)添加(jia)劑及廢紙張脫墨(mo)、化(hua)(hua)學工(gong)(gong)業(ye)(ye)(ye)的(de)(de)無機化(hua)(hua)工(gong)(gong)原料及硫酸根脫除(chu)劑，褐藻酸鈉的(de)(de)凝(ning)固(gu)劑、防治小麥、蘋果、白(bai)菜等(deng)腐爛(lan)及食品防腐劑、制取金(jin)屬鈉及其他鈉化(hua)(hua)合(he)物、鋼鐵熱處理(li)介質等(deng)。在水處理(li)、公路除(chu)雪、制冷(leng)冷(leng)藏等(deng)方面，鹽也有廣(guang)泛的(de)(de)用途