工(gong)(gong)業鹽(yan)(yan)，是化(hua)學工(gong)(gong)業的最基本(ben)原料之(zhi)一，主要成分有氯(lv)化(hua)鈉、亞硝(xiao)酸(suan)鈉等，被稱(cheng)為(wei)“化(hua)學工(gong)(gong)業之(zhi)母(mu)”。基本(ben)化(hua)學工(gong)(gong)業主要產(chan)品中的鹽(yan)(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯(lv)化(hua)銨、氯(lv)氣(qi)等主要是用(yong)工(gong)(gong)業鹽(yan)(yan)為(wei)原料生(sheng)產(chan)的。

　　基本化(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)主要產(chan)品中的(de)鹽酸、燒堿、純堿、氯化(hua)(hua)(hua)銨、氯氣(qi)等(deng)(deng)主要是用工(gong)(gong)業(ye)鹽為原(yuan)料(liao)生(sheng)產(chan)的(de)。此外，還用于肥皂(zao)制造、陶瓷、玻璃(li)生(sheng)產(chan)、日用化(hua)(hua)(hua)工(gong)(gong)、石(shi)油鉆(zhan)探、鉆(zhan)井工(gong)(gong)作液(ye)、完井液(ye)、石(shi)油化(hua)(hua)(hua)工(gong)(gong)脫水液(ye)、建筑(zhu)行(xing)業(ye)早(zao)強劑(ji)、生(sheng)產(chan)涂料(liao)的(de)凝(ning)(ning)固(gu)劑(ji)、橡膠行(xing)業(ye)乳膠凝(ning)(ning)結劑(ji)、造紙(zhi)工(gong)(gong)業(ye)添加(jia)劑(ji)及(ji)(ji)廢紙(zhi)張脫墨、化(hua)(hua)(hua)學(xue)工(gong)(gong)業(ye)的(de)無機化(hua)(hua)(hua)工(gong)(gong)原(yuan)料(liao)及(ji)(ji)硫(liu)酸根脫除(chu)劑(ji)，褐藻酸鈉(na)的(de)凝(ning)(ning)固(gu)劑(ji)、防治小(xiao)麥(mai)、蘋果、白菜等(deng)(deng)腐爛及(ji)(ji)食(shi)品防腐劑(ji)、制取金屬鈉(na)及(ji)(ji)其(qi)他鈉(na)化(hua)(hua)(hua)合物、鋼鐵熱處(chu)理介質等(deng)(deng)。在水處(chu)理、公路除(chu)雪、制冷冷藏等(deng)(deng)方面，鹽也有廣(guang)泛的(de)用途