工(gong)(gong)(gong)(gong)業(ye)鹽(yan)，是化(hua)學工(gong)(gong)(gong)(gong)業(ye)的最基本原(yuan)(yuan)料(liao)之(zhi)一，主要(yao)(yao)成分(fen)有氯(lv)化(hua)鈉、亞硝酸鈉等，被稱為“化(hua)學工(gong)(gong)(gong)(gong)業(ye)之(zhi)母”。基本化(hua)學工(gong)(gong)(gong)(gong)業(ye)主要(yao)(yao)產品中(zhong)的鹽(yan)酸、燒堿(jian)、純堿(jian)、氯(lv)化(hua)銨、氯(lv)氣等主要(yao)(yao)是用工(gong)(gong)(gong)(gong)業(ye)鹽(yan)為原(yuan)(yuan)料(liao)生產的。

　　基本(ben)化學(xue)工業(ye)主要產(chan)品中的鹽(yan)酸、燒堿(jian)、純堿(jian)、氯(lv)化銨、氯(lv)氣等(deng)主要是用(yong)(yong)(yong)工業(ye)鹽(yan)為原(yuan)料生產(chan)的。此外，還用(yong)(yong)(yong)于(yu)肥皂制造、陶瓷、玻璃生產(chan)、日用(yong)(yong)(yong)化工、石(shi)油鉆(zhan)探、鉆(zhan)井(jing)工作液、完井(jing)液、石(shi)油化工脫(tuo)(tuo)水(shui)液、建筑行業(ye)早強劑、生產(chan)涂(tu)料的凝固劑、橡膠(jiao)行業(ye)乳膠(jiao)凝結劑、造紙工業(ye)添加劑及廢紙張(zhang)脫(tuo)(tuo)墨、化學(xue)工業(ye)的無機化工原(yuan)料及硫酸根脫(tuo)(tuo)除劑，褐藻酸鈉(na)的凝固劑、防治(zhi)小麥、蘋(pin)果、白菜等(deng)腐爛及食品防腐劑、制取金屬鈉(na)及其(qi)他(ta)鈉(na)化合物(wu)、鋼鐵熱處理介質(zhi)等(deng)。在水(shui)處理、公路除雪、制冷冷藏等(deng)方面，鹽(yan)也有廣泛(fan)的用(yong)(yong)(yong)途