工(gong)(gong)業鹽，是(shi)化(hua)(hua)(hua)學(xue)工(gong)(gong)業的最基本原料之(zhi)一，主要成分有氯化(hua)(hua)(hua)鈉(na)、亞(ya)硝酸(suan)鈉(na)等，被稱(cheng)為“化(hua)(hua)(hua)學(xue)工(gong)(gong)業之(zhi)母”。基本化(hua)(hua)(hua)學(xue)工(gong)(gong)業主要產(chan)品中的鹽酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)(hua)(hua)銨、氯氣等主要是(shi)用工(gong)(gong)業鹽為原料生(sheng)產(chan)的。

　　基(ji)本化(hua)學(xue)工(gong)(gong)(gong)業(ye)主(zhu)要產(chan)品中(zhong)的鹽酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)銨、氯氣等(deng)主(zhu)要是用(yong)工(gong)(gong)(gong)業(ye)鹽為原料生產(chan)的。此(ci)外，還用(yong)于肥皂制造、陶(tao)瓷(ci)、玻(bo)璃(li)生產(chan)、日用(yong)化(hua)工(gong)(gong)(gong)、石油鉆探、鉆井工(gong)(gong)(gong)作液、完井液、石油化(hua)工(gong)(gong)(gong)脫(tuo)水液、建筑行(xing)業(ye)早強(qiang)劑、生產(chan)涂(tu)料的凝(ning)固(gu)劑、橡膠行(xing)業(ye)乳膠凝(ning)結劑、造紙工(gong)(gong)(gong)業(ye)添加劑及廢(fei)紙張脫(tuo)墨、化(hua)學(xue)工(gong)(gong)(gong)業(ye)的無機化(hua)工(gong)(gong)(gong)原料及硫(liu)酸(suan)根脫(tuo)除(chu)劑，褐藻酸(suan)鈉的凝(ning)固(gu)劑、防治小麥、蘋(pin)果、白菜(cai)等(deng)腐爛(lan)及食(shi)品防腐劑、制取金屬鈉及其他鈉化(hua)合(he)物、鋼鐵(tie)熱處理介質等(deng)。在(zai)水處理、公路除(chu)雪、制冷冷藏等(deng)方(fang)面(mian)，鹽也有廣泛(fan)的用(yong)途