工(gong)(gong)業(ye)(ye)鹽(yan)，是(shi)化(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)的最(zui)基本原料(liao)之(zhi)(zhi)一，主(zhu)要成分有氯化(hua)(hua)鈉、亞硝酸鈉等(deng)，被稱(cheng)為“化(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)之(zhi)(zhi)母(mu)”。基本化(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)主(zhu)要產品中的鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)主(zhu)要是(shi)用(yong)工(gong)(gong)業(ye)(ye)鹽(yan)為原料(liao)生產的。

　　基(ji)本(ben)化(hua)(hua)學工(gong)(gong)業(ye)主要(yao)(yao)產(chan)品(pin)中的(de)(de)鹽(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)(yao)是用工(gong)(gong)業(ye)鹽(yan)為(wei)原料(liao)生產(chan)的(de)(de)。此外，還(huan)用于肥皂制(zhi)(zhi)造、陶瓷、玻璃生產(chan)、日(ri)用化(hua)(hua)工(gong)(gong)、石油鉆探(tan)、鉆井(jing)工(gong)(gong)作液、完(wan)井(jing)液、石油化(hua)(hua)工(gong)(gong)脫水液、建筑行(xing)業(ye)早強(qiang)劑(ji)(ji)、生產(chan)涂料(liao)的(de)(de)凝(ning)固劑(ji)(ji)、橡(xiang)膠行(xing)業(ye)乳膠凝(ning)結劑(ji)(ji)、造紙(zhi)工(gong)(gong)業(ye)添加劑(ji)(ji)及(ji)廢紙(zhi)張脫墨、化(hua)(hua)學工(gong)(gong)業(ye)的(de)(de)無(wu)機化(hua)(hua)工(gong)(gong)原料(liao)及(ji)硫(liu)酸(suan)根脫除劑(ji)(ji)，褐藻(zao)酸(suan)鈉(na)(na)的(de)(de)凝(ning)固劑(ji)(ji)、防治小麥(mai)、蘋果(guo)、白菜等(deng)腐爛(lan)及(ji)食品(pin)防腐劑(ji)(ji)、制(zhi)(zhi)取金屬(shu)鈉(na)(na)及(ji)其他鈉(na)(na)化(hua)(hua)合物、鋼鐵(tie)熱處(chu)理介質等(deng)。在(zai)水處(chu)理、公路除雪(xue)、制(zhi)(zhi)冷冷藏(zang)等(deng)方面，鹽(yan)也(ye)有廣泛的(de)(de)用途