工(gong)業鹽(yan)，是化學(xue)(xue)工(gong)業的最基本原料之一，主(zhu)(zhu)要(yao)成分有氯化鈉、亞硝酸(suan)鈉等(deng)，被稱為(wei)“化學(xue)(xue)工(gong)業之母”。基本化學(xue)(xue)工(gong)業主(zhu)(zhu)要(yao)產品中的鹽(yan)酸(suan)、燒堿、純(chun)堿、氯化銨、氯氣等(deng)主(zhu)(zhu)要(yao)是用工(gong)業鹽(yan)為(wei)原料生產的。

　　基本化(hua)(hua)學工(gong)(gong)業(ye)主(zhu)要(yao)(yao)產(chan)(chan)品中的(de)鹽酸(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主(zhu)要(yao)(yao)是用(yong)工(gong)(gong)業(ye)鹽為原(yuan)(yuan)料生產(chan)(chan)的(de)。此外，還用(yong)于(yu)肥皂制造(zao)、陶瓷、玻(bo)璃生產(chan)(chan)、日用(yong)化(hua)(hua)工(gong)(gong)、石油鉆(zhan)探(tan)、鉆(zhan)井(jing)工(gong)(gong)作液、完井(jing)液、石油化(hua)(hua)工(gong)(gong)脫水液、建(jian)筑行(xing)業(ye)早強劑(ji)(ji)、生產(chan)(chan)涂(tu)料的(de)凝固劑(ji)(ji)、橡膠行(xing)業(ye)乳膠凝結劑(ji)(ji)、造(zao)紙(zhi)工(gong)(gong)業(ye)添加劑(ji)(ji)及(ji)廢(fei)紙(zhi)張脫墨、化(hua)(hua)學工(gong)(gong)業(ye)的(de)無機化(hua)(hua)工(gong)(gong)原(yuan)(yuan)料及(ji)硫酸(suan)根脫除劑(ji)(ji)，褐藻酸(suan)鈉的(de)凝固劑(ji)(ji)、防治小麥、蘋果、白菜等(deng)腐爛及(ji)食品防腐劑(ji)(ji)、制取金(jin)屬鈉及(ji)其他鈉化(hua)(hua)合物、鋼鐵(tie)熱處理介(jie)質等(deng)。在水處理、公(gong)路除雪、制冷冷藏(zang)等(deng)方面，鹽也有(you)廣泛的(de)用(yong)途