工(gong)業鹽，是(shi)(shi)化學工(gong)業的(de)最(zui)基本原(yuan)料之(zhi)一，主(zhu)(zhu)要(yao)(yao)(yao)成分有(you)氯(lv)化鈉、亞硝酸(suan)鈉等，被稱為(wei)“化學工(gong)業之(zhi)母”。基本化學工(gong)業主(zhu)(zhu)要(yao)(yao)(yao)產品中的(de)鹽酸(suan)、燒堿、純堿、氯(lv)化銨、氯(lv)氣(qi)等主(zhu)(zhu)要(yao)(yao)(yao)是(shi)(shi)用工(gong)業鹽為(wei)原(yuan)料生產的(de)。

　　基(ji)本化(hua)(hua)學工(gong)(gong)(gong)業主要產(chan)(chan)品中的(de)(de)鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)(deng)主要是用(yong)工(gong)(gong)(gong)業鹽(yan)為原料生(sheng)產(chan)(chan)的(de)(de)。此外，還用(yong)于(yu)肥皂制造(zao)、陶瓷、玻璃生(sheng)產(chan)(chan)、日(ri)用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作液、完井液、石(shi)油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)(tuo)水液、建(jian)筑行(xing)業早強劑(ji)(ji)、生(sheng)產(chan)(chan)涂料的(de)(de)凝(ning)固(gu)劑(ji)(ji)、橡(xiang)膠行(xing)業乳膠凝(ning)結劑(ji)(ji)、造(zao)紙工(gong)(gong)(gong)業添(tian)加劑(ji)(ji)及(ji)廢紙張脫(tuo)(tuo)墨、化(hua)(hua)學工(gong)(gong)(gong)業的(de)(de)無(wu)機(ji)化(hua)(hua)工(gong)(gong)(gong)原料及(ji)硫酸根脫(tuo)(tuo)除劑(ji)(ji)，褐藻酸鈉(na)(na)的(de)(de)凝(ning)固(gu)劑(ji)(ji)、防治小(xiao)麥、蘋果、白(bai)菜等(deng)(deng)腐爛(lan)及(ji)食(shi)品防腐劑(ji)(ji)、制取金屬(shu)鈉(na)(na)及(ji)其他(ta)鈉(na)(na)化(hua)(hua)合物(wu)、鋼(gang)鐵熱處理介(jie)質(zhi)等(deng)(deng)。在水處理、公(gong)路除雪(xue)、制冷冷藏等(deng)(deng)方面，鹽(yan)也有廣泛的(de)(de)用(yong)途