工(gong)(gong)業(ye)鹽(yan)，是化(hua)(hua)學工(gong)(gong)業(ye)的最基本原(yuan)料之(zhi)一，主(zhu)要(yao)成分(fen)有(you)氯化(hua)(hua)鈉、亞硝酸(suan)鈉等(deng)，被(bei)稱為“化(hua)(hua)學工(gong)(gong)業(ye)之(zhi)母(mu)”。基本化(hua)(hua)學工(gong)(gong)業(ye)主(zhu)要(yao)產品中的鹽(yan)酸(suan)、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨、氯氣等(deng)主(zhu)要(yao)是用工(gong)(gong)業(ye)鹽(yan)為原(yuan)料生產的。

　　基本(ben)化(hua)學工(gong)(gong)業(ye)主要(yao)產品中(zhong)的(de)鹽酸、燒(shao)堿(jian)、純堿(jian)、氯化(hua)銨、氯氣等(deng)主要(yao)是(shi)用工(gong)(gong)業(ye)鹽為原料(liao)生(sheng)(sheng)產的(de)。此(ci)外，還(huan)用于肥皂制(zhi)造、陶瓷、玻璃生(sheng)(sheng)產、日用化(hua)工(gong)(gong)、石(shi)油鉆探(tan)、鉆井工(gong)(gong)作液(ye)、完(wan)井液(ye)、石(shi)油化(hua)工(gong)(gong)脫(tuo)水(shui)液(ye)、建筑(zhu)行業(ye)早強劑(ji)、生(sheng)(sheng)產涂料(liao)的(de)凝固劑(ji)、橡膠(jiao)行業(ye)乳膠(jiao)凝結(jie)劑(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)及廢紙張脫(tuo)墨(mo)、化(hua)學工(gong)(gong)業(ye)的(de)無機化(hua)工(gong)(gong)原料(liao)及硫酸根(gen)脫(tuo)除劑(ji)，褐(he)藻酸鈉(na)的(de)凝固劑(ji)、防治小麥(mai)、蘋果、白菜等(deng)腐(fu)爛及食(shi)品防腐(fu)劑(ji)、制(zhi)取金屬鈉(na)及其他鈉(na)化(hua)合物、鋼鐵熱處(chu)理介質等(deng)。在水(shui)處(chu)理、公(gong)路(lu)除雪、制(zhi)冷冷藏等(deng)方面，鹽也有(you)廣(guang)泛的(de)用途(tu)