工(gong)業(ye)(ye)鹽(yan)(yan)，是化學工(gong)業(ye)(ye)的最基本原料之(zhi)(zhi)一，主(zhu)要(yao)(yao)成分有氯化鈉、亞硝酸(suan)鈉等，被稱(cheng)為“化學工(gong)業(ye)(ye)之(zhi)(zhi)母”。基本化學工(gong)業(ye)(ye)主(zhu)要(yao)(yao)產(chan)品中的鹽(yan)(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯化銨(an)、氯氣等主(zhu)要(yao)(yao)是用工(gong)業(ye)(ye)鹽(yan)(yan)為原料生(sheng)產(chan)的。

　　基本化(hua)學(xue)工(gong)(gong)業(ye)(ye)主要產品(pin)(pin)中的(de)(de)(de)鹽酸、燒(shao)堿、純(chun)堿、氯化(hua)銨、氯氣等(deng)(deng)主要是(shi)用(yong)(yong)工(gong)(gong)業(ye)(ye)鹽為原料(liao)生(sheng)產的(de)(de)(de)。此外(wai)，還用(yong)(yong)于(yu)肥(fei)皂制(zhi)造、陶瓷、玻璃生(sheng)產、日(ri)用(yong)(yong)化(hua)工(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)作液、完井液、石油化(hua)工(gong)(gong)脫水(shui)液、建筑行(xing)業(ye)(ye)早強劑(ji)(ji)(ji)、生(sheng)產涂(tu)料(liao)的(de)(de)(de)凝(ning)(ning)固劑(ji)(ji)(ji)、橡膠(jiao)行(xing)業(ye)(ye)乳(ru)膠(jiao)凝(ning)(ning)結劑(ji)(ji)(ji)、造紙工(gong)(gong)業(ye)(ye)添加劑(ji)(ji)(ji)及(ji)廢紙張脫墨、化(hua)學(xue)工(gong)(gong)業(ye)(ye)的(de)(de)(de)無機化(hua)工(gong)(gong)原料(liao)及(ji)硫酸根(gen)脫除劑(ji)(ji)(ji)，褐藻酸鈉的(de)(de)(de)凝(ning)(ning)固劑(ji)(ji)(ji)、防治小(xiao)麥、蘋果、白菜等(deng)(deng)腐(fu)爛及(ji)食品(pin)(pin)防腐(fu)劑(ji)(ji)(ji)、制(zhi)取金(jin)屬鈉及(ji)其他(ta)鈉化(hua)合物(wu)、鋼鐵熱處(chu)理介質等(deng)(deng)。在水(shui)處(chu)理、公(gong)路除雪(xue)、制(zhi)冷(leng)(leng)冷(leng)(leng)藏等(deng)(deng)方面，鹽也有廣(guang)泛的(de)(de)(de)用(yong)(yong)途(tu)