工(gong)業(ye)鹽(yan)(yan)，是化學(xue)工(gong)業(ye)的(de)最基(ji)本原料之一，主(zhu)要(yao)成分有(you)氯(lv)化鈉、亞(ya)硝酸鈉等，被稱為“化學(xue)工(gong)業(ye)之母”。基(ji)本化學(xue)工(gong)業(ye)主(zhu)要(yao)產品中的(de)鹽(yan)(yan)酸、燒(shao)堿、純(chun)堿、氯(lv)化銨、氯(lv)氣(qi)等主(zhu)要(yao)是用(yong)工(gong)業(ye)鹽(yan)(yan)為原料生產的(de)。

　　基(ji)本化(hua)學工(gong)(gong)(gong)業(ye)(ye)(ye)主要(yao)產(chan)(chan)品中的(de)鹽(yan)酸、燒堿、純堿、氯化(hua)銨、氯氣等主要(yao)是用工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)為原料生產(chan)(chan)的(de)。此外(wai)，還(huan)用于肥皂制造(zao)(zao)、陶瓷、玻(bo)璃(li)生產(chan)(chan)、日(ri)用化(hua)工(gong)(gong)(gong)、石油(you)鉆(zhan)探(tan)、鉆(zhan)井工(gong)(gong)(gong)作(zuo)液(ye)、完井液(ye)、石油(you)化(hua)工(gong)(gong)(gong)脫水(shui)液(ye)、建筑行(xing)業(ye)(ye)(ye)早強(qiang)劑(ji)、生產(chan)(chan)涂料的(de)凝(ning)固(gu)劑(ji)、橡膠行(xing)業(ye)(ye)(ye)乳膠凝(ning)結(jie)劑(ji)、造(zao)(zao)紙(zhi)工(gong)(gong)(gong)業(ye)(ye)(ye)添加劑(ji)及(ji)廢(fei)紙(zhi)張脫墨、化(hua)學工(gong)(gong)(gong)業(ye)(ye)(ye)的(de)無機化(hua)工(gong)(gong)(gong)原料及(ji)硫酸根脫除劑(ji)，褐藻酸鈉的(de)凝(ning)固(gu)劑(ji)、防(fang)治小麥、蘋(pin)果、白菜等腐爛及(ji)食(shi)品防(fang)腐劑(ji)、制取金屬鈉及(ji)其他(ta)鈉化(hua)合物、鋼鐵熱處理(li)介質等。在(zai)水(shui)處理(li)、公(gong)路除雪、制冷冷藏等方面，鹽(yan)也有廣泛的(de)用途