
今天南陽鈣粉廠家跟我(wo)們(men)(men)講講活(huo)性碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)的(de)(de)(de)生(sheng)產(chan)(chan)工(gong)(gong)(gong)藝,讓我(wo)們(men)(men)可(ke)以更好的(de)(de)(de)了(le)解我(wo)們(men)(men)的(de)(de)(de)產(chan)(chan)品(pin)。活(huo)性碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)的(de)(de)(de)生(sheng)產(chan)(chan)工(gong)(gong)(gong)藝與生(sheng)產(chan)(chan)輕質碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)大致相同,但在碳(tan)(tan)(tan)(tan)化(hua)(hua)這一(yi)工(gong)(gong)(gong)序中(zhong)應嚴格操控條件,使生(sheng)成微(wei)細的(de)(de)(de)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)顆粒(li),再用(yong)(yong)(yong)活(huo)化(hua)(hua)劑進行(xing)表(biao)面(mian)處理(li)。行(xing)將石(shi)(shi)灰石(shi)(shi)與煤混合,其配(pei)比約7.5左右(you),于(yu)900-1000℃ 溫度下在石(shi)(shi)灰窯(yao)中(zhong)緞燒,二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)(tan)經洗(xi)氣除塵后(hou)送碳(tan)(tan)(tan)(tan)化(hua)(hua)塔(ta),生(sheng)石(shi)(shi)灰進消化(hua)(hua)槽(cao),用(yong)(yong)(yong)80-90℃ 的(de)(de)(de)熱水(shui)充分消化(hua)(hua),制(zhi)成濃度約9%的(de)(de)(de)乳液,進入碳(tan)(tan)(tan)(tan)化(hua)(hua)塔(ta),通二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)(tan)進行(xing)碳(tan)(tan)(tan)(tan)化(hua)(hua),當碳(tan)(tan)(tan)(tan)化(hua)(hua)時懸浮液的(de)(de)(de)PH值等(deng)于(yu)7時為反響終(zhong)點,此(ci)時可(ke)引入活(huo)化(hua)(hua)劑,對生(sheng)成的(de)(de)(de)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)進行(xing)表(biao)面(mian)處理(li)。有干法(fa)表(biao)面(mian)處理(li)和濕法(fa)表(biao)面(mian)處理(li), 一(yi)般(ban)選用(yong)(yong)(yong)濕法(fa)表(biao)面(mian)處理(li)工(gong)(gong)(gong)藝,因該法(fa)可(ke)制(zhi)得(de)活(huo)化(hua)(hua)度高,松散功(gong)用(yong)(yong)(yong)好,透明性高的(de)(de)(de)活(huo)性碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)(gai)(gai)。目前增加活(huo)化(hua)(hua)劑一(yi)般(ban)有酞酸(suan)(suan)酯偶聯劑、硬脂酸(suan)(suan)、木質素等(deng),用(yong)(yong)(yong)量(liang)約1%-5%。完成了(le)前面(mian)的(de)(de)(de)化(hua)(hua)學處理(li)后(hou),對料液脫水(shui)分別、單(dan)調制(zhi)得(de)白度高的(de)(de)(de)制(zhi)品(pin)。