工(gong)業(ye)(ye)(ye)鹽(yan)，是化學工(gong)業(ye)(ye)(ye)的最基(ji)本原料(liao)之一，主(zhu)要(yao)成分(fen)有氯(lv)化鈉、亞硝酸鈉等，被稱為(wei)“化學工(gong)業(ye)(ye)(ye)之母”。基(ji)本化學工(gong)業(ye)(ye)(ye)主(zhu)要(yao)產品中(zhong)的鹽(yan)酸、燒堿(jian)(jian)、純(chun)堿(jian)(jian)、氯(lv)化銨(an)、氯(lv)氣等主(zhu)要(yao)是用工(gong)業(ye)(ye)(ye)鹽(yan)為(wei)原料(liao)生產的。

　　基(ji)本化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)主(zhu)要產(chan)品中(zhong)的(de)(de)(de)鹽酸、燒(shao)堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)(deng)主(zhu)要是用工(gong)(gong)(gong)業(ye)(ye)鹽為原料(liao)(liao)生(sheng)產(chan)的(de)(de)(de)。此外(wai)，還用于(yu)肥皂制(zhi)造、陶瓷(ci)、玻璃生(sheng)產(chan)、日用化(hua)(hua)工(gong)(gong)(gong)、石油(you)鉆探、鉆井(jing)工(gong)(gong)(gong)作液、完井(jing)液、石油(you)化(hua)(hua)工(gong)(gong)(gong)脫水(shui)液、建筑行業(ye)(ye)早強劑(ji)(ji)、生(sheng)產(chan)涂料(liao)(liao)的(de)(de)(de)凝固劑(ji)(ji)、橡(xiang)膠行業(ye)(ye)乳膠凝結劑(ji)(ji)、造紙工(gong)(gong)(gong)業(ye)(ye)添加劑(ji)(ji)及(ji)廢紙張脫墨、化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)的(de)(de)(de)無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)(liao)及(ji)硫酸根脫除(chu)劑(ji)(ji)，褐藻酸鈉(na)的(de)(de)(de)凝固劑(ji)(ji)、防(fang)治小麥、蘋果、白菜等(deng)(deng)腐爛及(ji)食品防(fang)腐劑(ji)(ji)、制(zhi)取金(jin)屬鈉(na)及(ji)其他鈉(na)化(hua)(hua)合物、鋼(gang)鐵熱處理介質(zhi)等(deng)(deng)。在(zai)水(shui)處理、公路除(chu)雪(xue)、制(zhi)冷冷藏(zang)等(deng)(deng)方面，鹽也有廣(guang)泛的(de)(de)(de)用途