工(gong)(gong)業鹽，是化學工(gong)(gong)業的(de)最基本(ben)原(yuan)料(liao)之一，主要成(cheng)分有氯化鈉(na)、亞(ya)硝(xiao)酸(suan)鈉(na)等，被(bei)稱為(wei)“化學工(gong)(gong)業之母”。基本(ben)化學工(gong)(gong)業主要產(chan)品中的(de)鹽酸(suan)、燒堿、純堿、氯化銨、氯氣等主要是用工(gong)(gong)業鹽為(wei)原(yuan)料(liao)生產(chan)的(de)。

　　基本化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)(ye)主要產(chan)品中的(de)(de)(de)鹽酸(suan)、燒(shao)堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)(hua)銨、氯(lv)氣(qi)等主要是用工(gong)(gong)(gong)業(ye)(ye)(ye)鹽為原料(liao)生產(chan)的(de)(de)(de)。此外，還(huan)用于肥皂制(zhi)造、陶瓷、玻璃生產(chan)、日用化(hua)(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)(zhan)探、鉆(zhan)(zhan)井(jing)工(gong)(gong)(gong)作液、完井(jing)液、石油化(hua)(hua)(hua)工(gong)(gong)(gong)脫(tuo)(tuo)水液、建筑(zhu)行業(ye)(ye)(ye)早強劑、生產(chan)涂料(liao)的(de)(de)(de)凝(ning)固(gu)劑、橡膠行業(ye)(ye)(ye)乳膠凝(ning)結(jie)劑、造紙工(gong)(gong)(gong)業(ye)(ye)(ye)添(tian)加劑及(ji)廢紙張脫(tuo)(tuo)墨、化(hua)(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)(ye)的(de)(de)(de)無(wu)機化(hua)(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)硫酸(suan)根脫(tuo)(tuo)除劑，褐藻酸(suan)鈉(na)(na)的(de)(de)(de)凝(ning)固(gu)劑、防治小麥(mai)、蘋果、白(bai)菜等腐爛及(ji)食品防腐劑、制(zhi)取金屬(shu)鈉(na)(na)及(ji)其他鈉(na)(na)化(hua)(hua)(hua)合物、鋼鐵(tie)熱處理介質等。在(zai)水處理、公路(lu)除雪、制(zhi)冷冷藏等方面，鹽也(ye)有廣(guang)泛的(de)(de)(de)用途(tu)