工(gong)業(ye)鹽(yan)，是(shi)化學(xue)工(gong)業(ye)的最(zui)基本原(yuan)(yuan)料(liao)之(zhi)(zhi)一，主要成分(fen)有氯(lv)(lv)化鈉、亞硝酸鈉等，被稱為“化學(xue)工(gong)業(ye)之(zhi)(zhi)母”。基本化學(xue)工(gong)業(ye)主要產品中的鹽(yan)酸、燒堿、純堿、氯(lv)(lv)化銨(an)、氯(lv)(lv)氣等主要是(shi)用工(gong)業(ye)鹽(yan)為原(yuan)(yuan)料(liao)生產的。

　　基本化(hua)學(xue)(xue)工(gong)(gong)(gong)業主要產(chan)(chan)(chan)品(pin)中的鹽酸、燒堿、純(chun)堿、氯化(hua)銨、氯氣等(deng)主要是用工(gong)(gong)(gong)業鹽為(wei)原(yuan)料(liao)(liao)生產(chan)(chan)(chan)的。此(ci)外，還(huan)用于肥皂制造(zao)、陶瓷、玻璃生產(chan)(chan)(chan)、日用化(hua)工(gong)(gong)(gong)、石油鉆探、鉆井(jing)工(gong)(gong)(gong)作液、完井(jing)液、石油化(hua)工(gong)(gong)(gong)脫水液、建(jian)筑行業早強(qiang)劑、生產(chan)(chan)(chan)涂(tu)料(liao)(liao)的凝固(gu)劑、橡膠(jiao)行業乳膠(jiao)凝結劑、造(zao)紙(zhi)(zhi)工(gong)(gong)(gong)業添加劑及(ji)廢紙(zhi)(zhi)張脫墨、化(hua)學(xue)(xue)工(gong)(gong)(gong)業的無機(ji)化(hua)工(gong)(gong)(gong)原(yuan)料(liao)(liao)及(ji)硫(liu)酸根(gen)脫除劑，褐(he)藻酸鈉(na)的凝固(gu)劑、防(fang)(fang)治小(xiao)麥、蘋(pin)果(guo)、白(bai)菜等(deng)腐(fu)爛及(ji)食(shi)品(pin)防(fang)(fang)腐(fu)劑、制取金屬(shu)鈉(na)及(ji)其他(ta)鈉(na)化(hua)合物、鋼鐵熱處理(li)介質(zhi)等(deng)。在水處理(li)、公(gong)路除雪、制冷冷藏等(deng)方面，鹽也有廣泛的用途