工業鹽(yan)，是(shi)化(hua)(hua)學(xue)工業的最基本原料之(zhi)一，主(zhu)要(yao)(yao)(yao)成分(fen)有氯(lv)(lv)化(hua)(hua)鈉、亞硝酸鈉等，被稱(cheng)為(wei)(wei)“化(hua)(hua)學(xue)工業之(zhi)母”。基本化(hua)(hua)學(xue)工業主(zhu)要(yao)(yao)(yao)產(chan)品中的鹽(yan)酸、燒堿、純堿、氯(lv)(lv)化(hua)(hua)銨、氯(lv)(lv)氣等主(zhu)要(yao)(yao)(yao)是(shi)用工業鹽(yan)為(wei)(wei)原料生產(chan)的。

　　基(ji)本化(hua)(hua)學工(gong)(gong)業(ye)主(zhu)要產品(pin)中的鹽酸、燒堿(jian)、純堿(jian)、氯(lv)(lv)化(hua)(hua)銨、氯(lv)(lv)氣(qi)等(deng)(deng)主(zhu)要是用(yong)工(gong)(gong)業(ye)鹽為(wei)原料(liao)生(sheng)產的。此外，還用(yong)于肥(fei)皂制造、陶瓷、玻璃生(sheng)產、日用(yong)化(hua)(hua)工(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)作(zuo)液、完井液、石油化(hua)(hua)工(gong)(gong)脫水(shui)液、建筑行業(ye)早強劑(ji)(ji)、生(sheng)產涂(tu)料(liao)的凝(ning)(ning)固劑(ji)(ji)、橡膠(jiao)(jiao)行業(ye)乳(ru)膠(jiao)(jiao)凝(ning)(ning)結劑(ji)(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)(ji)及(ji)(ji)廢紙張脫墨(mo)、化(hua)(hua)學工(gong)(gong)業(ye)的無機化(hua)(hua)工(gong)(gong)原料(liao)及(ji)(ji)硫酸根(gen)脫除劑(ji)(ji)，褐藻(zao)酸鈉(na)的凝(ning)(ning)固劑(ji)(ji)、防(fang)治小麥、蘋果、白菜(cai)等(deng)(deng)腐爛(lan)及(ji)(ji)食品(pin)防(fang)腐劑(ji)(ji)、制取金屬(shu)鈉(na)及(ji)(ji)其他鈉(na)化(hua)(hua)合(he)物(wu)、鋼鐵熱處理介質(zhi)等(deng)(deng)。在水(shui)處理、公(gong)路除雪、制冷冷藏等(deng)(deng)方面，鹽也有(you)廣泛的用(yong)途