工(gong)(gong)業鹽(yan)，是化(hua)學(xue)工(gong)(gong)業的(de)最基本(ben)原料之一，主要成(cheng)分有氯(lv)(lv)化(hua)鈉、亞硝酸(suan)鈉等，被稱為“化(hua)學(xue)工(gong)(gong)業之母”。基本(ben)化(hua)學(xue)工(gong)(gong)業主要產(chan)品中的(de)鹽(yan)酸(suan)、燒堿、純堿、氯(lv)(lv)化(hua)銨、氯(lv)(lv)氣(qi)等主要是用工(gong)(gong)業鹽(yan)為原料生產(chan)的(de)。

　　基本化(hua)學工(gong)(gong)(gong)業(ye)主要產(chan)品中的(de)(de)鹽酸(suan)、燒(shao)堿、純堿、氯化(hua)銨、氯氣(qi)等主要是(shi)用(yong)工(gong)(gong)(gong)業(ye)鹽為(wei)原(yuan)料生(sheng)產(chan)的(de)(de)。此(ci)外(wai)，還用(yong)于(yu)肥皂制造、陶瓷(ci)、玻璃生(sheng)產(chan)、日(ri)用(yong)化(hua)工(gong)(gong)(gong)、石油鉆探、鉆井工(gong)(gong)(gong)作液、完井液、石油化(hua)工(gong)(gong)(gong)脫水液、建筑(zhu)行業(ye)早(zao)強(qiang)劑(ji)、生(sheng)產(chan)涂料的(de)(de)凝固劑(ji)、橡(xiang)膠(jiao)行業(ye)乳膠(jiao)凝結劑(ji)、造紙工(gong)(gong)(gong)業(ye)添加劑(ji)及廢紙張脫墨、化(hua)學工(gong)(gong)(gong)業(ye)的(de)(de)無機化(hua)工(gong)(gong)(gong)原(yuan)料及硫酸(suan)根脫除劑(ji)，褐(he)藻酸(suan)鈉(na)的(de)(de)凝固劑(ji)、防治(zhi)小麥(mai)、蘋果(guo)、白菜等腐爛及食品防腐劑(ji)、制取金屬鈉(na)及其(qi)他鈉(na)化(hua)合物、鋼鐵熱處理介質等。在(zai)水處理、公(gong)路除雪、制冷(leng)冷(leng)藏等方面，鹽也有廣泛的(de)(de)用(yong)途