工(gong)(gong)(gong)業鹽(yan)，是化學工(gong)(gong)(gong)業的(de)(de)最基本原料之(zhi)一(yi)，主要(yao)成分有氯(lv)化鈉(na)、亞硝酸鈉(na)等(deng)，被稱為(wei)“化學工(gong)(gong)(gong)業之(zhi)母”。基本化學工(gong)(gong)(gong)業主要(yao)產品中的(de)(de)鹽(yan)酸、燒(shao)堿(jian)、純堿(jian)、氯(lv)化銨、氯(lv)氣(qi)等(deng)主要(yao)是用工(gong)(gong)(gong)業鹽(yan)為(wei)原料生產的(de)(de)。

　　基本化(hua)學(xue)工(gong)(gong)業(ye)主(zhu)(zhu)要產(chan)品(pin)中的鹽(yan)(yan)酸、燒堿、純(chun)堿、氯(lv)化(hua)銨、氯(lv)氣(qi)等(deng)(deng)主(zhu)(zhu)要是用(yong)工(gong)(gong)業(ye)鹽(yan)(yan)為原(yuan)料(liao)生產(chan)的。此外，還用(yong)于肥皂制(zhi)造、陶瓷、玻璃生產(chan)、日用(yong)化(hua)工(gong)(gong)、石油鉆(zhan)(zhan)探、鉆(zhan)(zhan)井(jing)工(gong)(gong)作液(ye)、完井(jing)液(ye)、石油化(hua)工(gong)(gong)脫水液(ye)、建筑行業(ye)早強劑(ji)、生產(chan)涂(tu)料(liao)的凝固劑(ji)、橡膠(jiao)行業(ye)乳膠(jiao)凝結劑(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)及廢紙張脫墨、化(hua)學(xue)工(gong)(gong)業(ye)的無機化(hua)工(gong)(gong)原(yuan)料(liao)及硫酸根脫除劑(ji)，褐藻(zao)酸鈉的凝固劑(ji)、防治(zhi)小麥、蘋果、白菜等(deng)(deng)腐(fu)爛及食品(pin)防腐(fu)劑(ji)、制(zhi)取(qu)金(jin)屬鈉及其他鈉化(hua)合物(wu)、鋼鐵(tie)熱(re)處理(li)介質等(deng)(deng)。在水處理(li)、公路除雪、制(zhi)冷(leng)(leng)冷(leng)(leng)藏等(deng)(deng)方面，鹽(yan)(yan)也(ye)有廣泛(fan)的用(yong)途