工(gong)業(ye)(ye)鹽，是(shi)化(hua)學工(gong)業(ye)(ye)的最基本原(yuan)料之一，主要(yao)成分有氯(lv)化(hua)鈉、亞硝酸鈉等(deng)，被(bei)稱為“化(hua)學工(gong)業(ye)(ye)之母”。基本化(hua)學工(gong)業(ye)(ye)主要(yao)產品(pin)中的鹽酸、燒堿、純(chun)堿、氯(lv)化(hua)銨、氯(lv)氣(qi)等(deng)主要(yao)是(shi)用工(gong)業(ye)(ye)鹽為原(yuan)料生產的。

　　基(ji)本化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)主要產品中的鹽(yan)酸(suan)、燒(shao)堿、純堿、氯(lv)化(hua)銨、氯(lv)氣(qi)等主要是(shi)用工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)為原料生(sheng)產的。此外，還(huan)用于肥皂制造、陶瓷、玻(bo)璃生(sheng)產、日(ri)用化(hua)工(gong)(gong)(gong)(gong)、石(shi)油鉆探、鉆井工(gong)(gong)(gong)(gong)作液(ye)、完井液(ye)、石(shi)油化(hua)工(gong)(gong)(gong)(gong)脫水液(ye)、建(jian)筑行業(ye)(ye)(ye)早強劑、生(sheng)產涂料的凝固劑、橡膠行業(ye)(ye)(ye)乳(ru)膠凝結(jie)劑、造紙工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)添加劑及(ji)(ji)廢紙張脫墨(mo)、化(hua)學工(gong)(gong)(gong)(gong)業(ye)(ye)(ye)的無機(ji)化(hua)工(gong)(gong)(gong)(gong)原料及(ji)(ji)硫酸(suan)根(gen)脫除劑，褐藻(zao)酸(suan)鈉的凝固劑、防治小麥、蘋果、白(bai)菜等腐爛(lan)及(ji)(ji)食品防腐劑、制取金屬鈉及(ji)(ji)其(qi)他鈉化(hua)合物、鋼鐵(tie)熱處理介質(zhi)等。在水處理、公路除雪、制冷(leng)冷(leng)藏等方面，鹽(yan)也有廣泛的用途