工(gong)(gong)業(ye)(ye)(ye)鹽，是(shi)化(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)的最基本(ben)原料之(zhi)一，主要成分有氯(lv)化(hua)鈉(na)、亞硝酸鈉(na)等(deng)(deng)，被稱為“化(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)之(zhi)母”。基本(ben)化(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)主要產(chan)品(pin)中的鹽酸、燒堿、純堿、氯(lv)化(hua)銨(an)、氯(lv)氣等(deng)(deng)主要是(shi)用工(gong)(gong)業(ye)(ye)(ye)鹽為原料生產(chan)的。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業主要(yao)產(chan)品中的鹽酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨(an)、氯氣等主要(yao)是用(yong)工(gong)(gong)(gong)業鹽為(wei)原料(liao)生(sheng)(sheng)產(chan)的。此外，還用(yong)于肥皂制造、陶瓷、玻璃生(sheng)(sheng)產(chan)、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油鉆探、鉆井(jing)工(gong)(gong)(gong)作液、完(wan)井(jing)液、石(shi)油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水液、建筑行業早(zao)強(qiang)劑(ji)、生(sheng)(sheng)產(chan)涂(tu)料(liao)的凝固劑(ji)、橡膠行業乳膠凝結劑(ji)、造紙工(gong)(gong)(gong)業添加(jia)劑(ji)及(ji)廢紙張脫(tuo)墨、化(hua)(hua)學工(gong)(gong)(gong)業的無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)硫酸(suan)根脫(tuo)除劑(ji)，褐藻酸(suan)鈉(na)的凝固劑(ji)、防治(zhi)小麥、蘋(pin)果、白菜等腐(fu)(fu)爛及(ji)食品防腐(fu)(fu)劑(ji)、制取金屬鈉(na)及(ji)其他鈉(na)化(hua)(hua)合物、鋼(gang)鐵(tie)熱處理介質(zhi)等。在水處理、公路除雪、制冷冷藏等方面(mian)，鹽也有(you)廣泛的用(yong)途