工(gong)(gong)業鹽，是化(hua)學(xue)(xue)工(gong)(gong)業的最基(ji)(ji)本原(yuan)料(liao)之(zhi)一(yi)，主要成分(fen)有氯化(hua)鈉、亞硝酸鈉等，被稱為(wei)“化(hua)學(xue)(xue)工(gong)(gong)業之(zhi)母(mu)”。基(ji)(ji)本化(hua)學(xue)(xue)工(gong)(gong)業主要產品中的鹽酸、燒(shao)堿、純堿、氯化(hua)銨、氯氣等主要是用工(gong)(gong)業鹽為(wei)原(yuan)料(liao)生(sheng)產的。

　　基本(ben)化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)主要(yao)產(chan)品中(zhong)的(de)(de)鹽酸(suan)、燒堿、純(chun)堿、氯(lv)化(hua)(hua)銨(an)、氯(lv)氣等(deng)(deng)主要(yao)是用(yong)工(gong)(gong)(gong)業(ye)鹽為原(yuan)料(liao)(liao)生產(chan)的(de)(de)。此外，還用(yong)于(yu)肥皂制(zhi)造、陶瓷、玻璃生產(chan)、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)作液、完(wan)井(jing)液、石油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)(tuo)水(shui)液、建筑(zhu)行業(ye)早(zao)強劑(ji)、生產(chan)涂料(liao)(liao)的(de)(de)凝(ning)(ning)(ning)固劑(ji)、橡膠(jiao)(jiao)行業(ye)乳膠(jiao)(jiao)凝(ning)(ning)(ning)結劑(ji)、造紙工(gong)(gong)(gong)業(ye)添加劑(ji)及(ji)廢(fei)紙張脫(tuo)(tuo)墨、化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)的(de)(de)無機化(hua)(hua)工(gong)(gong)(gong)原(yuan)料(liao)(liao)及(ji)硫酸(suan)根脫(tuo)(tuo)除劑(ji)，褐藻酸(suan)鈉(na)的(de)(de)凝(ning)(ning)(ning)固劑(ji)、防(fang)(fang)治小(xiao)麥(mai)、蘋果、白菜等(deng)(deng)腐爛及(ji)食品防(fang)(fang)腐劑(ji)、制(zhi)取(qu)金(jin)屬(shu)鈉(na)及(ji)其他鈉(na)化(hua)(hua)合(he)物、鋼鐵(tie)熱(re)處(chu)理(li)介質等(deng)(deng)。在水(shui)處(chu)理(li)、公路除雪、制(zhi)冷冷藏等(deng)(deng)方面，鹽也有廣泛的(de)(de)用(yong)途