
今天南陽鈣粉廠家跟我(wo)們講(jiang)講(jiang)活(huo)性碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)的生(sheng)產(chan)工(gong)(gong)藝(yi),讓(rang)我(wo)們可(ke)(ke)以更好的了解我(wo)們的產(chan)品。活(huo)性碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)的生(sheng)產(chan)工(gong)(gong)藝(yi)與(yu)(yu)生(sheng)產(chan)輕質碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)大(da)致相同,但在(zai)碳(tan)(tan)化這(zhe)一(yi)(yi)工(gong)(gong)序中應嚴(yan)格操控條件,使生(sheng)成(cheng)微細的碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)顆粒,再用(yong)活(huo)化劑(ji)進行(xing)(xing)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理。行(xing)(xing)將石(shi)灰(hui)石(shi)與(yu)(yu)煤混合,其配比約(yue)7.5左右,于(yu)(yu)900-1000℃ 溫度(du)下在(zai)石(shi)灰(hui)窯中緞燒,二(er)氧(yang)化碳(tan)(tan)經洗氣除(chu)塵后送碳(tan)(tan)化塔,生(sheng)石(shi)灰(hui)進消(xiao)化槽,用(yong)80-90℃ 的熱水(shui)充(chong)分(fen)消(xiao)化,制成(cheng)濃度(du)約(yue)9%的乳(ru)液,進入碳(tan)(tan)化塔,通二(er)氧(yang)化碳(tan)(tan)進行(xing)(xing)碳(tan)(tan)化,當碳(tan)(tan)化時(shi)懸浮液的PH值(zhi)等(deng)于(yu)(yu)7時(shi)為反響終點(dian),此時(shi)可(ke)(ke)引入活(huo)化劑(ji),對(dui)生(sheng)成(cheng)的碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)進行(xing)(xing)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理。有干法表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理和濕(shi)(shi)法表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理, 一(yi)(yi)般選用(yong)濕(shi)(shi)法表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理工(gong)(gong)藝(yi),因(yin)該(gai)法可(ke)(ke)制得活(huo)化度(du)高,松散(san)功用(yong)好,透明性高的活(huo)性碳(tan)(tan)酸(suan)鈣(gai)(gai)(gai)。目前(qian)增加活(huo)化劑(ji)一(yi)(yi)般有酞酸(suan)酯偶聯劑(ji)、硬脂酸(suan)、木(mu)質素(su)等(deng),用(yong)量約(yue)1%-5%。完成(cheng)了前(qian)面(mian)(mian)的化學(xue)處(chu)(chu)(chu)(chu)理后,對(dui)料液脫水(shui)分(fen)別、單調制得白度(du)高的制品。