工(gong)(gong)業(ye)鹽，是(shi)化學工(gong)(gong)業(ye)的最基本原(yuan)料(liao)之(zhi)一，主(zhu)要(yao)(yao)成分有(you)氯化鈉(na)、亞(ya)硝酸鈉(na)等，被(bei)稱為“化學工(gong)(gong)業(ye)之(zhi)母”。基本化學工(gong)(gong)業(ye)主(zhu)要(yao)(yao)產品中的鹽酸、燒堿(jian)、純(chun)堿(jian)、氯化銨、氯氣等主(zhu)要(yao)(yao)是(shi)用工(gong)(gong)業(ye)鹽為原(yuan)料(liao)生產的。

　　基本化(hua)學工(gong)(gong)業(ye)主要產品中的鹽(yan)酸(suan)(suan)、燒堿(jian)、純(chun)堿(jian)、氯化(hua)銨、氯氣等主要是用(yong)工(gong)(gong)業(ye)鹽(yan)為原料(liao)生(sheng)產的。此(ci)外，還(huan)用(yong)于肥(fei)皂制造、陶(tao)瓷、玻璃生(sheng)產、日用(yong)化(hua)工(gong)(gong)、石油鉆探、鉆井工(gong)(gong)作液(ye)(ye)、完井液(ye)(ye)、石油化(hua)工(gong)(gong)脫(tuo)水(shui)液(ye)(ye)、建(jian)筑行業(ye)早強劑(ji)(ji)、生(sheng)產涂料(liao)的凝固劑(ji)(ji)、橡膠行業(ye)乳(ru)膠凝結劑(ji)(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)(ji)及(ji)(ji)廢紙張(zhang)脫(tuo)墨、化(hua)學工(gong)(gong)業(ye)的無機(ji)化(hua)工(gong)(gong)原料(liao)及(ji)(ji)硫酸(suan)(suan)根脫(tuo)除劑(ji)(ji)，褐藻(zao)酸(suan)(suan)鈉的凝固劑(ji)(ji)、防治小麥、蘋果、白菜等腐爛及(ji)(ji)食品防腐劑(ji)(ji)、制取金(jin)屬鈉及(ji)(ji)其他(ta)鈉化(hua)合(he)物、鋼(gang)鐵熱處理介質等。在水(shui)處理、公路除雪(xue)、制冷(leng)冷(leng)藏等方(fang)面，鹽(yan)也有(you)廣泛的用(yong)途