工(gong)業(ye)鹽(yan)(yan)，是化學(xue)工(gong)業(ye)的(de)最基本(ben)原(yuan)料之一，主要(yao)(yao)成分有(you)氯化鈉、亞硝酸(suan)鈉等，被稱為“化學(xue)工(gong)業(ye)之母”。基本(ben)化學(xue)工(gong)業(ye)主要(yao)(yao)產(chan)品中的(de)鹽(yan)(yan)酸(suan)、燒堿、純(chun)堿、氯化銨、氯氣(qi)等主要(yao)(yao)是用工(gong)業(ye)鹽(yan)(yan)為原(yuan)料生產(chan)的(de)。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)主(zhu)(zhu)要產(chan)(chan)品(pin)(pin)中(zhong)的(de)鹽酸(suan)、燒(shao)堿(jian)、純(chun)堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)(deng)主(zhu)(zhu)要是用工(gong)(gong)(gong)業(ye)(ye)鹽為原(yuan)料(liao)生(sheng)產(chan)(chan)的(de)。此外，還用于(yu)肥皂(zao)制(zhi)造、陶瓷、玻璃生(sheng)產(chan)(chan)、日(ri)用化(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作液、完井液、石油化(hua)(hua)工(gong)(gong)(gong)脫水(shui)液、建筑行業(ye)(ye)早(zao)強劑(ji)(ji)、生(sheng)產(chan)(chan)涂料(liao)的(de)凝(ning)(ning)固劑(ji)(ji)、橡膠行業(ye)(ye)乳(ru)膠凝(ning)(ning)結劑(ji)(ji)、造紙工(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)及廢紙張脫墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)的(de)無機化(hua)(hua)工(gong)(gong)(gong)原(yuan)料(liao)及硫酸(suan)根脫除(chu)劑(ji)(ji)，褐藻酸(suan)鈉的(de)凝(ning)(ning)固劑(ji)(ji)、防治小麥、蘋(pin)果、白菜(cai)等(deng)(deng)腐爛及食品(pin)(pin)防腐劑(ji)(ji)、制(zhi)取金屬鈉及其他鈉化(hua)(hua)合物、鋼鐵熱處理介質(zhi)等(deng)(deng)。在(zai)水(shui)處理、公路除(chu)雪、制(zhi)冷(leng)冷(leng)藏(zang)等(deng)(deng)方面，鹽也有(you)廣泛的(de)用途