基本化(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)主要產品中(zhong)的(de)(de)(de)鹽酸、燒堿、純堿、氯(lv)化(hua)(hua)銨(an)、氯(lv)氣(qi)等主要是(shi)用工(gong)(gong)業(ye)(ye)(ye)鹽為原料生(sheng)產的(de)(de)(de)。此外,還用于(yu)肥皂制造(zao)(zao)、陶(tao)瓷(ci)、玻璃生(sheng)產、日(ri)用化(hua)(hua)工(gong)(gong)、石(shi)油鉆探、鉆井(jing)工(gong)(gong)作液、完井(jing)液、石(shi)油化(hua)(hua)工(gong)(gong)脫水液、建筑(zhu)行(xing)業(ye)(ye)(ye)早強(qiang)劑、生(sheng)產涂料的(de)(de)(de)凝固劑、橡膠行(xing)業(ye)(ye)(ye)乳膠凝結(jie)劑、造(zao)(zao)紙(zhi)(zhi)工(gong)(gong)業(ye)(ye)(ye)添加劑及(ji)廢紙(zhi)(zhi)張脫墨、化(hua)(hua)學(xue)工(gong)(gong)業(ye)(ye)(ye)的(de)(de)(de)無(wu)機化(hua)(hua)工(gong)(gong)原料及(ji)硫(liu)酸根(gen)脫除劑,褐藻酸鈉的(de)(de)(de)凝固劑、防(fang)治(zhi)小(xiao)麥、蘋(pin)果、白(bai)菜(cai)等腐爛及(ji)食品防(fang)腐劑、制取金屬鈉及(ji)其(qi)他鈉化(hua)(hua)合物、鋼鐵(tie)熱處理介質等。在(zai)水處理、公(gong)路除雪、制冷冷藏等方(fang)面,鹽也(ye)有廣泛(fan)的(de)(de)(de)用途。