工(gong)業(ye)鹽(yan)(yan)，是化學工(gong)業(ye)的最基本(ben)原料之一，主要(yao)成(cheng)分有(you)氯化鈉、亞硝(xiao)酸鈉等，被稱為“化學工(gong)業(ye)之母(mu)”。基本(ben)化學工(gong)業(ye)主要(yao)產品中(zhong)的鹽(yan)(yan)酸、燒(shao)堿、純堿、氯化銨(an)、氯氣(qi)等主要(yao)是用(yong)工(gong)業(ye)鹽(yan)(yan)為原料生產的。

　　基本化(hua)(hua)學工(gong)(gong)業(ye)主(zhu)要產(chan)品中的鹽(yan)酸、燒(shao)堿(jian)、純(chun)堿(jian)、氯化(hua)(hua)銨、氯氣等(deng)主(zhu)要是(shi)用(yong)工(gong)(gong)業(ye)鹽(yan)為原料生產(chan)的。此外，還(huan)用(yong)于肥皂制造(zao)、陶瓷、玻璃(li)生產(chan)、日(ri)用(yong)化(hua)(hua)工(gong)(gong)、石油鉆探、鉆井工(gong)(gong)作液、完井液、石油化(hua)(hua)工(gong)(gong)脫水液、建筑行業(ye)早強劑、生產(chan)涂料的凝(ning)固(gu)劑、橡膠(jiao)行業(ye)乳(ru)膠(jiao)凝(ning)結(jie)劑、造(zao)紙工(gong)(gong)業(ye)添加劑及(ji)廢(fei)紙張脫墨、化(hua)(hua)學工(gong)(gong)業(ye)的無機化(hua)(hua)工(gong)(gong)原料及(ji)硫(liu)酸根脫除劑，褐藻酸鈉(na)的凝(ning)固(gu)劑、防治小(xiao)麥、蘋果、白菜等(deng)腐爛及(ji)食品防腐劑、制取金屬鈉(na)及(ji)其他鈉(na)化(hua)(hua)合物、鋼鐵熱處(chu)理介質等(deng)。在水處(chu)理、公路除雪、制冷冷藏(zang)等(deng)方面(mian)，鹽(yan)也有廣泛的用(yong)途