工(gong)(gong)業(ye)鹽(yan)，是(shi)化(hua)學(xue)工(gong)(gong)業(ye)的最基本原料之一(yi)，主(zhu)要成分有氯化(hua)鈉、亞(ya)硝(xiao)酸鈉等，被稱(cheng)為(wei)“化(hua)學(xue)工(gong)(gong)業(ye)之母”。基本化(hua)學(xue)工(gong)(gong)業(ye)主(zhu)要產品中的鹽(yan)酸、燒堿(jian)、純堿(jian)、氯化(hua)銨(an)、氯氣等主(zhu)要是(shi)用(yong)工(gong)(gong)業(ye)鹽(yan)為(wei)原料生產的。

　　基本化學工(gong)(gong)(gong)業(ye)(ye)(ye)主要產品(pin)中的(de)鹽(yan)酸(suan)、燒堿、純堿、氯化銨(an)、氯氣等主要是用(yong)工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)為原(yuan)料生(sheng)產的(de)。此外(wai)，還用(yong)于肥皂制造(zao)、陶(tao)瓷、玻璃生(sheng)產、日用(yong)化工(gong)(gong)(gong)、石(shi)油(you)鉆探、鉆井工(gong)(gong)(gong)作(zuo)液、完(wan)井液、石(shi)油(you)化工(gong)(gong)(gong)脫水液、建筑行(xing)業(ye)(ye)(ye)早強(qiang)劑、生(sheng)產涂料的(de)凝固(gu)劑、橡膠行(xing)業(ye)(ye)(ye)乳(ru)膠凝結(jie)劑、造(zao)紙工(gong)(gong)(gong)業(ye)(ye)(ye)添加(jia)劑及廢(fei)紙張脫墨、化學工(gong)(gong)(gong)業(ye)(ye)(ye)的(de)無機化工(gong)(gong)(gong)原(yuan)料及硫酸(suan)根脫除(chu)劑，褐藻(zao)酸(suan)鈉的(de)凝固(gu)劑、防治小麥、蘋果(guo)、白菜等腐爛及食品(pin)防腐劑、制取(qu)金屬鈉及其(qi)他鈉化合物、鋼鐵熱處理(li)介質等。在(zai)水處理(li)、公(gong)路除(chu)雪(xue)、制冷冷藏等方面，鹽(yan)也有廣泛的(de)用(yong)途