工(gong)(gong)業(ye)鹽(yan)，是(shi)化學工(gong)(gong)業(ye)的(de)最基(ji)本(ben)原(yuan)料(liao)之(zhi)一，主要(yao)成分(fen)有氯化鈉(na)、亞硝酸鈉(na)等(deng)，被(bei)稱(cheng)為“化學工(gong)(gong)業(ye)之(zhi)母”。基(ji)本(ben)化學工(gong)(gong)業(ye)主要(yao)產品中(zhong)的(de)鹽(yan)酸、燒堿、純(chun)堿、氯化銨、氯氣等(deng)主要(yao)是(shi)用(yong)工(gong)(gong)業(ye)鹽(yan)為原(yuan)料(liao)生產的(de)。

　　基本化(hua)(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)主要產(chan)品中(zhong)的(de)(de)(de)鹽酸(suan)、燒堿、純堿、氯化(hua)(hua)(hua)(hua)銨、氯氣等主要是用(yong)工(gong)(gong)業(ye)(ye)鹽為原料(liao)生產(chan)的(de)(de)(de)。此外，還用(yong)于(yu)肥皂制造(zao)、陶瓷、玻(bo)璃生產(chan)、日用(yong)化(hua)(hua)(hua)(hua)工(gong)(gong)、石(shi)油(you)鉆(zhan)探、鉆(zhan)井(jing)工(gong)(gong)作液(ye)(ye)、完井(jing)液(ye)(ye)、石(shi)油(you)化(hua)(hua)(hua)(hua)工(gong)(gong)脫(tuo)水(shui)液(ye)(ye)、建筑行業(ye)(ye)早強(qiang)劑(ji)、生產(chan)涂料(liao)的(de)(de)(de)凝固劑(ji)、橡膠行業(ye)(ye)乳膠凝結劑(ji)、造(zao)紙工(gong)(gong)業(ye)(ye)添加劑(ji)及廢紙張脫(tuo)墨(mo)、化(hua)(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)的(de)(de)(de)無機化(hua)(hua)(hua)(hua)工(gong)(gong)原料(liao)及硫(liu)酸(suan)根脫(tuo)除劑(ji)，褐(he)藻酸(suan)鈉的(de)(de)(de)凝固劑(ji)、防(fang)治小麥(mai)、蘋果(guo)、白菜等腐爛及食品防(fang)腐劑(ji)、制取金屬鈉及其他鈉化(hua)(hua)(hua)(hua)合物、鋼(gang)鐵熱處理介質(zhi)等。在(zai)水(shui)處理、公(gong)路除雪、制冷冷藏等方面(mian)，鹽也有廣泛的(de)(de)(de)用(yong)途