工(gong)業(ye)(ye)鹽，是(shi)化(hua)(hua)學(xue)工(gong)業(ye)(ye)的(de)最基本(ben)原(yuan)料之(zhi)(zhi)一，主要成分有氯(lv)化(hua)(hua)鈉、亞硝酸鈉等，被稱為“化(hua)(hua)學(xue)工(gong)業(ye)(ye)之(zhi)(zhi)母”。基本(ben)化(hua)(hua)學(xue)工(gong)業(ye)(ye)主要產品中的(de)鹽酸、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等主要是(shi)用工(gong)業(ye)(ye)鹽為原(yuan)料生產的(de)。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)主要產(chan)(chan)品中的鹽(yan)酸(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等主要是用工(gong)(gong)(gong)業(ye)鹽(yan)為(wei)原料生產(chan)(chan)的。此外，還用于肥皂制造、陶瓷、玻(bo)璃生產(chan)(chan)、日用化(hua)(hua)工(gong)(gong)(gong)、石(shi)(shi)油(you)鉆探、鉆井工(gong)(gong)(gong)作液、完(wan)井液、石(shi)(shi)油(you)化(hua)(hua)工(gong)(gong)(gong)脫水液、建(jian)筑(zhu)行(xing)(xing)業(ye)早強劑(ji)、生產(chan)(chan)涂料的凝固劑(ji)、橡膠(jiao)行(xing)(xing)業(ye)乳膠(jiao)凝結劑(ji)、造紙工(gong)(gong)(gong)業(ye)添加(jia)劑(ji)及(ji)廢(fei)紙張(zhang)脫墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)的無機化(hua)(hua)工(gong)(gong)(gong)原料及(ji)硫(liu)酸(suan)根脫除劑(ji)，褐藻酸(suan)鈉(na)的凝固劑(ji)、防(fang)治小麥、蘋果、白菜等腐(fu)爛及(ji)食品防(fang)腐(fu)劑(ji)、制取金屬鈉(na)及(ji)其(qi)他鈉(na)化(hua)(hua)合物、鋼(gang)鐵(tie)熱(re)處理(li)介質(zhi)等。在水處理(li)、公路除雪、制冷冷藏等方面，鹽(yan)也有廣(guang)泛(fan)的用途