工(gong)(gong)業(ye)鹽(yan)(yan)，是化(hua)學工(gong)(gong)業(ye)的最基本原(yuan)料(liao)之(zhi)一，主要(yao)(yao)成(cheng)分有氯(lv)化(hua)鈉、亞硝(xiao)酸(suan)(suan)鈉等，被稱為“化(hua)學工(gong)(gong)業(ye)之(zhi)母”。基本化(hua)學工(gong)(gong)業(ye)主要(yao)(yao)產品(pin)中的鹽(yan)(yan)酸(suan)(suan)、燒堿(jian)、純堿(jian)、氯(lv)化(hua)銨、氯(lv)氣(qi)等主要(yao)(yao)是用工(gong)(gong)業(ye)鹽(yan)(yan)為原(yuan)料(liao)生產的。

　　基(ji)本化(hua)(hua)學(xue)工(gong)(gong)(gong)業主(zhu)要產品(pin)中(zhong)的鹽(yan)(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等主(zhu)要是用(yong)工(gong)(gong)(gong)業鹽(yan)(yan)為原料(liao)生(sheng)產的。此外，還用(yong)于肥皂制造、陶瓷、玻璃生(sheng)產、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石油(you)鉆(zhan)探、鉆(zhan)井(jing)(jing)工(gong)(gong)(gong)作液(ye)、完井(jing)(jing)液(ye)、石油(you)化(hua)(hua)工(gong)(gong)(gong)脫水(shui)液(ye)、建筑行業早強劑(ji)(ji)、生(sheng)產涂料(liao)的凝(ning)固劑(ji)(ji)、橡膠行業乳膠凝(ning)結劑(ji)(ji)、造紙工(gong)(gong)(gong)業添(tian)加劑(ji)(ji)及(ji)廢紙張(zhang)脫墨、化(hua)(hua)學(xue)工(gong)(gong)(gong)業的無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)硫酸根(gen)脫除(chu)(chu)劑(ji)(ji)，褐藻酸鈉(na)(na)的凝(ning)固劑(ji)(ji)、防治小麥、蘋果、白菜(cai)等腐爛及(ji)食品(pin)防腐劑(ji)(ji)、制取金屬(shu)鈉(na)(na)及(ji)其他鈉(na)(na)化(hua)(hua)合物、鋼(gang)鐵熱處理(li)介質等。在(zai)水(shui)處理(li)、公路除(chu)(chu)雪(xue)、制冷冷藏等方面，鹽(yan)(yan)也有廣泛(fan)的用(yong)途