基本化學工(gong)(gong)業(ye)(ye)主(zhu)要產品中的鹽(yan)(yan)酸、燒堿、純堿、氯化銨、氯氣等主(zhu)要是用工(gong)(gong)業(ye)(ye)鹽(yan)(yan)為原料生(sheng)產的。此外(wai),還用于(yu)肥(fei)皂制造(zao)、陶瓷(ci)、玻璃生(sheng)產、日用化工(gong)(gong)、石油鉆(zhan)探(tan)、鉆(zhan)井(jing)工(gong)(gong)作液(ye)(ye)、完井(jing)液(ye)(ye)、石油化工(gong)(gong)脫(tuo)(tuo)水(shui)(shui)液(ye)(ye)、建筑行業(ye)(ye)早(zao)強劑(ji)、生(sheng)產涂料的凝(ning)固(gu)劑(ji)、橡膠行業(ye)(ye)乳膠凝(ning)結劑(ji)、造(zao)紙工(gong)(gong)業(ye)(ye)添加劑(ji)及(ji)廢紙張脫(tuo)(tuo)墨、化學工(gong)(gong)業(ye)(ye)的無機化工(gong)(gong)原料及(ji)硫酸根脫(tuo)(tuo)除劑(ji),褐藻酸鈉的凝(ning)固(gu)劑(ji)、防(fang)治小麥、蘋果、白(bai)菜等腐爛及(ji)食品防(fang)腐劑(ji)、制取(qu)金屬鈉及(ji)其他鈉化合物、鋼(gang)鐵(tie)熱處理介質等。在(zai)水(shui)(shui)處理、公路除雪、制冷冷藏等方面,鹽(yan)(yan)也有廣泛的用途(tu)。