工業鹽屬(shu)于工業用(yong)(yong)鹽，工業鹽和食用(yong)(yong)鹽的(de)區別很多(duo)，不管是屬(shu)性還是使(shi)用(yong)(yong)方法都有很大(da)的(de)不同，接(jie)下(xia)來為大(da)家介紹一下(xia)工業鹽的(de)屬(shu)性和使(shi)用(yong)(yong)：

    工業(ye)鹽的(de)屬性：

　　工(gong)(gong)業鹽在工(gong)(gong)業上的用(yong)途很廣，是化(hua)(hua)學(xue)工(gong)(gong)業的基(ji)本(ben)原料(liao)(liao)之(zhi)一，被(bei)稱為(wei)(wei)“化(hua)(hua)學(xue)工(gong)(gong)業之(zhi)母”。基(ji)本(ben)化(hua)(hua)學(xue)工(gong)(gong)業主(zhu)要產品中的鹽酸、燒堿、純堿、氯化(hua)(hua)銨(an)、氯氣等主(zhu)要是用(yong)工(gong)(gong)業鹽為(wei)(wei)原料(liao)(liao)生產的。

工(gong)(gong)業鹽(yan)(yan)(yan) 指的是(shi)原(yuan)鹽(yan)(yan)(yan)，原(yuan)鹽(yan)(yan)(yan)有(you)湖鹽(yan)(yan)(yan)、井(jing)鹽(yan)(yan)(yan)和(he)海(hai)(hai)鹽(yan)(yan)(yan)之分，其中(zhong)因為(wei)海(hai)(hai)鹽(yan)(yan)(yan)中(zhong)的海(hai)(hai)水(shui)(shui)溶(rong)(rong)入(ru)了多種元素，所以海(hai)(hai)鹽(yan)(yan)(yan)的工(gong)(gong)業價值相對要高些，食用(yong)價值要低些。工(gong)(gong)業鹽(yan)(yan)(yan)是(shi)白色(se)(se)無(wu)味或(huo)者是(shi)灰白色(se)(se)有(you)色(se)(se)，無(wu)色(se)(se)結(jie)晶性粉末，熔點240℃（分解）。不溶(rong)(rong)于(yu)水(shui)(shui)，乙(yi)醇(chun)和(he)一般(ban)的有(you)機溶(rong)(rong)劑，微(wei)溶(rong)(rong)于(yu)水(shui)(shui)，但易溶(rong)(rong)于(yu)氫(qing)氧化鈉溶(rong)(rong)液和(he)氨水(shui)(shui)，溶(rong)(rong)于(yu)100℃沸水(shui)(shui)160。其堿鹽(yan)(yan)(yan)可溶(rong)(rong)于(yu)水(shui)(shui)，一般(ban)用(yong)乙(yi)二胺(an)四(si)乙(yi)酸鈉鹽(yan)(yan)(yan)代替EDTA。

      工業鹽使(shi)用：

　　EDTA是(shi)一(yi)種重要的(de)(de)絡(luo)合(he)劑(ji)(ji)工(gong)(gong)業(ye)鹽(yan)。 EDTA工(gong)(gong)業(ye)鹽(yan)用(yong)(yong)途很廣(guang)，可(ke)以(yi)用(yong)(yong)作(zuo)漂白(bai)，染(ran)色(se)助(zhu)劑(ji)(ji)定(ding)影液體，纖維加工(gong)(gong)助(zhu)劑(ji)(ji)，化妝品添加劑(ji)(ji)，血(xue)抗凝，洗(xi)滌劑(ji)(ji)，穩定(ding)劑(ji)(ji)，合(he)成橡膠(jiao)聚合(he)引(yin)發劑(ji)(ji)的(de)(de)著色(se)感光材料沖洗(xi)加工(gong)(gong)，EDTA是(shi)具(ju)有代表性(xing)(xing)的(de)(de)物質螯(ao)合(he)劑(ji)(ji)。稀土(tu)元(yuan)素(su)和(he)過(guo)渡金(jin)(jin)屬可(ke)以(yi)與堿金(jin)(jin)屬，以(yi)形(xing)成穩定(ding)的(de)(de)水溶(rong)性(xing)(xing)絡(luo)合(he)物。工(gong)(gong)業(ye)鹽(yan)在其他行業(ye)也(ye)有很好的(de)(de)應用(yong)(yong)，比如(ru)：造紙行業(ye)制(zhi)造紙漿、漂白(bai)紙漿以(yi)及作(zuo)填(tian)充劑(ji)(ji)等，要用(yong)(yong)硫酸鈉(na)、硫酸鎂、氯酸鈉(na)等鹽(yan)化工(gong)(gong)產品。火(huo)柴(chai)、火(huo)藥(yao)、印刷、電影和(he)照相行業(ye)也(ye)廣(guang)泛使用(yong)(yong)多種鹽(yan)化工(gong)(gong)產品。

   在鹽(yan)(yan)田曬制的(de)海鹽(yan)(yan)及在天然鹽(yan)(yan)湖或鹽(yan)(yan)礦開(kai)采出的(de)未(wei)經(jing)人工處理(li)的(de)湖鹽(yan)(yan)或巖鹽(yan)(yan)等的(de)統稱。主要(yao)組分是(shi)氯(lv)化鈉(na)，夾(jia)雜有不(bu)溶(rong)性泥沙和可溶(rong)性的(de)鈣(gai)、鎂鹽(yan)(yan)類。

鍋爐(lu)用水一(yi)般要(yao)求(qiu)鹽度不超(chao)過20PPM.

概念上講是(shi)用如鍋(guo)(guo)爐(lu)給水(shui)處理(li)，確(que)切的(de)(de)說是(shi)鍋(guo)(guo)爐(lu)給水(shui)處理(li)(軟(ruan)(ruan)化(hua)器(qi))設備的(de)(de)再生劑。理(li)論上說；所飲用的(de)(de)井水(shui)、城市自來水(shui)都含(han)有鈣、鎂離(li)子(zi)(通常稱為(wei)硬水(shui))，這是(shi)結水(shui)垢的(de)(de)物質必須(xu)除掉，就象燒開水(shui)的(de)(de)水(shui)壺一樣(yang)(yang)，壺底一層水(shui)垢。所以這樣(yang)(yang)的(de)(de)水(shui)是(shi)不能直接進入(ru)鍋(guo)(guo)爐(lu)，必需經過軟(ruan)(ruan)化(hua)器(qi)設備軟(ruan)(ruan)化(hua)后(稱為(wei)軟(ruan)(ruan)水(shui))才能供鍋(guo)(guo)爐(lu)使用。