工(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)，是化學工(gong)(gong)業(ye)(ye)(ye)的最(zui)基本(ben)原(yuan)料(liao)之(zhi)一，主要(yao)成分有(you)氯化鈉、亞硝酸鈉等，被稱(cheng)為“化學工(gong)(gong)業(ye)(ye)(ye)之(zhi)母”。基本(ben)化學工(gong)(gong)業(ye)(ye)(ye)主要(yao)產(chan)品中的鹽(yan)(yan)酸、燒堿、純堿、氯化銨、氯氣等主要(yao)是用工(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)為原(yuan)料(liao)生(sheng)產(chan)的。

　　基本化(hua)(hua)學(xue)工(gong)(gong)業主(zhu)(zhu)要產(chan)品(pin)(pin)中的(de)(de)(de)鹽(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等(deng)主(zhu)(zhu)要是用(yong)(yong)工(gong)(gong)業鹽(yan)為原料(liao)生(sheng)產(chan)的(de)(de)(de)。此外，還用(yong)(yong)于肥皂制(zhi)造(zao)(zao)、陶瓷、玻璃(li)生(sheng)產(chan)、日用(yong)(yong)化(hua)(hua)工(gong)(gong)、石油鉆探(tan)、鉆井工(gong)(gong)作液(ye)、完(wan)井液(ye)、石油化(hua)(hua)工(gong)(gong)脫水(shui)(shui)液(ye)、建筑行業早強劑(ji)(ji)、生(sheng)產(chan)涂料(liao)的(de)(de)(de)凝固(gu)劑(ji)(ji)、橡(xiang)膠行業乳膠凝結劑(ji)(ji)、造(zao)(zao)紙工(gong)(gong)業添(tian)加劑(ji)(ji)及廢紙張脫墨(mo)、化(hua)(hua)學(xue)工(gong)(gong)業的(de)(de)(de)無機化(hua)(hua)工(gong)(gong)原料(liao)及硫酸(suan)根脫除(chu)劑(ji)(ji)，褐(he)藻酸(suan)鈉(na)(na)的(de)(de)(de)凝固(gu)劑(ji)(ji)、防治小(xiao)麥(mai)、蘋果、白菜等(deng)腐爛及食品(pin)(pin)防腐劑(ji)(ji)、制(zhi)取金屬鈉(na)(na)及其他(ta)鈉(na)(na)化(hua)(hua)合物、鋼鐵熱處(chu)(chu)理(li)介質等(deng)。在水(shui)(shui)處(chu)(chu)理(li)、公路除(chu)雪、制(zhi)冷冷藏(zang)等(deng)方面，鹽(yan)也有廣泛的(de)(de)(de)用(yong)(yong)途