工(gong)(gong)(gong)業鹽，是化學工(gong)(gong)(gong)業的最基本(ben)原料之一，主要成分有氯(lv)化鈉(na)、亞(ya)硝酸鈉(na)等，被稱為“化學工(gong)(gong)(gong)業之母”。基本(ben)化學工(gong)(gong)(gong)業主要產品(pin)中(zhong)的鹽酸、燒(shao)堿、純堿、氯(lv)化銨、氯(lv)氣等主要是用工(gong)(gong)(gong)業鹽為原料生(sheng)產的。

　　基本化(hua)(hua)學(xue)工(gong)(gong)(gong)(gong)業(ye)主要(yao)產(chan)品(pin)中的(de)鹽(yan)酸、燒堿(jian)、純(chun)堿(jian)、氯化(hua)(hua)銨、氯氣等主要(yao)是用工(gong)(gong)(gong)(gong)業(ye)鹽(yan)為(wei)原料(liao)(liao)生(sheng)(sheng)產(chan)的(de)。此外，還用于肥(fei)皂(zao)制造(zao)、陶瓷、玻璃生(sheng)(sheng)產(chan)、日用化(hua)(hua)工(gong)(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)(gong)作液(ye)、完井(jing)液(ye)、石油化(hua)(hua)工(gong)(gong)(gong)(gong)脫水(shui)液(ye)、建筑行業(ye)早強(qiang)劑(ji)(ji)、生(sheng)(sheng)產(chan)涂(tu)料(liao)(liao)的(de)凝固劑(ji)(ji)、橡膠行業(ye)乳膠凝結(jie)劑(ji)(ji)、造(zao)紙(zhi)工(gong)(gong)(gong)(gong)業(ye)添加劑(ji)(ji)及廢紙(zhi)張脫墨(mo)、化(hua)(hua)學(xue)工(gong)(gong)(gong)(gong)業(ye)的(de)無機(ji)化(hua)(hua)工(gong)(gong)(gong)(gong)原料(liao)(liao)及硫酸根脫除(chu)(chu)劑(ji)(ji)，褐(he)藻酸鈉的(de)凝固劑(ji)(ji)、防(fang)治小(xiao)麥(mai)、蘋果、白菜(cai)等腐爛及食品(pin)防(fang)腐劑(ji)(ji)、制取金屬鈉及其他(ta)鈉化(hua)(hua)合(he)物、鋼鐵熱處理介質等。在(zai)水(shui)處理、公路除(chu)(chu)雪、制冷(leng)冷(leng)藏等方面，鹽(yan)也有廣(guang)泛的(de)用途