
今天南陽鈣粉廠家跟我(wo)們(men)講(jiang)講(jiang)活性(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)生(sheng)(sheng)產(chan)工(gong)藝(yi)(yi),讓我(wo)們(men)可(ke)以更好(hao)的(de)(de)了(le)解我(wo)們(men)的(de)(de)產(chan)品。活性(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)生(sheng)(sheng)產(chan)工(gong)藝(yi)(yi)與生(sheng)(sheng)產(chan)輕質碳(tan)(tan)(tan)酸(suan)鈣(gai)大致相(xiang)同(tong),但在碳(tan)(tan)(tan)化(hua)(hua)這(zhe)一工(gong)序中(zhong)應(ying)嚴格操控條(tiao)件,使生(sheng)(sheng)成(cheng)微細的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)顆(ke)粒(li),再用(yong)(yong)活化(hua)(hua)劑進(jin)行(xing)表(biao)面(mian)處(chu)理。行(xing)將(jiang)石(shi)(shi)灰石(shi)(shi)與煤混(hun)合,其配比約(yue)7.5左右,于(yu)900-1000℃ 溫度(du)下在石(shi)(shi)灰窯中(zhong)緞(duan)燒(shao),二(er)(er)氧化(hua)(hua)碳(tan)(tan)(tan)經洗氣除(chu)塵后送碳(tan)(tan)(tan)化(hua)(hua)塔,生(sheng)(sheng)石(shi)(shi)灰進(jin)消(xiao)化(hua)(hua)槽,用(yong)(yong)80-90℃ 的(de)(de)熱水充分消(xiao)化(hua)(hua),制成(cheng)濃度(du)約(yue)9%的(de)(de)乳(ru)液(ye),進(jin)入(ru)碳(tan)(tan)(tan)化(hua)(hua)塔,通二(er)(er)氧化(hua)(hua)碳(tan)(tan)(tan)進(jin)行(xing)碳(tan)(tan)(tan)化(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)時懸(xuan)浮(fu)液(ye)的(de)(de)PH值等(deng)于(yu)7時為反響終點(dian),此時可(ke)引入(ru)活化(hua)(hua)劑,對(dui)生(sheng)(sheng)成(cheng)的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)進(jin)行(xing)表(biao)面(mian)處(chu)理。有干法(fa)(fa)表(biao)面(mian)處(chu)理和濕(shi)法(fa)(fa)表(biao)面(mian)處(chu)理, 一般選用(yong)(yong)濕(shi)法(fa)(fa)表(biao)面(mian)處(chu)理工(gong)藝(yi)(yi),因該(gai)法(fa)(fa)可(ke)制得活化(hua)(hua)度(du)高(gao),松散功用(yong)(yong)好(hao),透明(ming)性(xing)高(gao)的(de)(de)活性(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)。目前增加活化(hua)(hua)劑一般有酞酸(suan)酯偶聯劑、硬脂酸(suan)、木質素(su)等(deng),用(yong)(yong)量約(yue)1%-5%。完成(cheng)了(le)前面(mian)的(de)(de)化(hua)(hua)學處(chu)理后,對(dui)料液(ye)脫水分別、單調制得白(bai)度(du)高(gao)的(de)(de)制品。