工(gong)業鹽(yan)(yan)，是化(hua)學工(gong)業的最基(ji)本原料(liao)(liao)之一，主(zhu)要(yao)(yao)成分(fen)有氯化(hua)鈉、亞(ya)硝(xiao)酸鈉等，被稱為(wei)“化(hua)學工(gong)業之母”。基(ji)本化(hua)學工(gong)業主(zhu)要(yao)(yao)產(chan)品中(zhong)的鹽(yan)(yan)酸、燒堿、純堿、氯化(hua)銨、氯氣(qi)等主(zhu)要(yao)(yao)是用工(gong)業鹽(yan)(yan)為(wei)原料(liao)(liao)生產(chan)的。

　　基本化學(xue)工(gong)(gong)業(ye)(ye)主(zhu)要產(chan)(chan)品中(zhong)的(de)鹽(yan)(yan)酸(suan)、燒堿、純(chun)堿、氯化銨、氯氣(qi)等(deng)主(zhu)要是用工(gong)(gong)業(ye)(ye)鹽(yan)(yan)為(wei)原料(liao)(liao)生(sheng)(sheng)(sheng)產(chan)(chan)的(de)。此外，還用于肥皂(zao)制造、陶瓷、玻(bo)璃(li)生(sheng)(sheng)(sheng)產(chan)(chan)、日用化工(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)作液(ye)、完井(jing)液(ye)、石油化工(gong)(gong)脫水(shui)液(ye)、建筑(zhu)行業(ye)(ye)早強劑、生(sheng)(sheng)(sheng)產(chan)(chan)涂料(liao)(liao)的(de)凝固劑、橡膠(jiao)(jiao)行業(ye)(ye)乳膠(jiao)(jiao)凝結劑、造紙工(gong)(gong)業(ye)(ye)添加劑及廢紙張脫墨(mo)、化學(xue)工(gong)(gong)業(ye)(ye)的(de)無機化工(gong)(gong)原料(liao)(liao)及硫酸(suan)根脫除劑，褐藻酸(suan)鈉的(de)凝固劑、防治小麥(mai)、蘋(pin)果、白菜等(deng)腐爛及食品防腐劑、制取金屬鈉及其他鈉化合物(wu)、鋼鐵(tie)熱處理介質等(deng)。在水(shui)處理、公路除雪、制冷冷藏等(deng)方面，鹽(yan)(yan)也(ye)有廣泛的(de)用途