工(gong)(gong)業(ye)(ye)鹽，是(shi)化(hua)學(xue)工(gong)(gong)業(ye)(ye)的(de)最(zui)基本(ben)原料之一，主要成分(fen)有氯化(hua)鈉、亞硝酸鈉等，被稱為“化(hua)學(xue)工(gong)(gong)業(ye)(ye)之母”。基本(ben)化(hua)學(xue)工(gong)(gong)業(ye)(ye)主要產品中的(de)鹽酸、燒堿(jian)、純堿(jian)、氯化(hua)銨、氯氣等主要是(shi)用工(gong)(gong)業(ye)(ye)鹽為原料生產的(de)。

　　基本化(hua)(hua)學工(gong)(gong)業(ye)主要產品中(zhong)的(de)鹽(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等主要是用(yong)(yong)工(gong)(gong)業(ye)鹽(yan)為原(yuan)料(liao)(liao)(liao)生產的(de)。此外，還用(yong)(yong)于(yu)肥(fei)皂制(zhi)(zhi)造(zao)、陶(tao)瓷、玻璃生產、日用(yong)(yong)化(hua)(hua)工(gong)(gong)、石油鉆探(tan)、鉆井工(gong)(gong)作液、完井液、石油化(hua)(hua)工(gong)(gong)脫水液、建筑行(xing)業(ye)早強劑(ji)(ji)(ji)、生產涂料(liao)(liao)(liao)的(de)凝固劑(ji)(ji)(ji)、橡膠(jiao)行(xing)業(ye)乳膠(jiao)凝結劑(ji)(ji)(ji)、造(zao)紙工(gong)(gong)業(ye)添加劑(ji)(ji)(ji)及(ji)(ji)廢紙張脫墨(mo)、化(hua)(hua)學工(gong)(gong)業(ye)的(de)無機化(hua)(hua)工(gong)(gong)原(yuan)料(liao)(liao)(liao)及(ji)(ji)硫酸(suan)根脫除劑(ji)(ji)(ji)，褐藻酸(suan)鈉的(de)凝固劑(ji)(ji)(ji)、防治(zhi)小麥、蘋果、白菜(cai)等腐(fu)爛及(ji)(ji)食品防腐(fu)劑(ji)(ji)(ji)、制(zhi)(zhi)取金屬(shu)鈉及(ji)(ji)其他(ta)鈉化(hua)(hua)合物、鋼鐵熱處理(li)介質等。在(zai)水處理(li)、公(gong)路除雪、制(zhi)(zhi)冷冷藏等方面，鹽(yan)也有廣泛的(de)用(yong)(yong)途