一、在(zai)(zai)硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)溶(rong)(rong)(rong)液(ye)中，在(zai)(zai)搅(jiao)拌下(xia)添(tian)加碱(jian)溶(rong)(rong)(rong)液(ye)，生成沉淀经洗(xi)涤、过(guo)(guo)滤(lv)、低温(wen)干燥后(hou)(hou)，经粉(fen)(fen)碎制(zhi)(zhi)得(de)成品。也可将(jiang)脱水(shui)后(hou)(hou)的(de)(de)糊状物直接(jie)作为产(chan)(chan)品。制(zhi)(zhi)备中溶(rong)(rong)(rong)液(ye)的(de)(de)浓度(du)、温(wen)度(du)、反(fan)(fan)(fan)(fan)应(ying)(ying)温(wen)度(du)控制(zhi)(zhi)，干燥温(wen)度(du)等影响(xiang)产(chan)(chan)品质量。 二、碳(tan)(tan)酸(suan)(suan)氢(qing)铵法(fa)将(jiang)硫(liu)(liu)(liu)(liu)酸(suan)(suan)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)粉(fen)(fen)或铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)作用生成硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)，再与(yu)(yu)碳(tan)(tan)酸(suan)(suan)氢(qing)铵进(jin)(jin)行(xing)(xing)复分(fen)解(jie)反(fan)(fan)(fan)(fan)应(ying)(ying)，制(zhi)(zhi)得(de)氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)。其(qi) 2Al(OH)3+3H2SO4→A12(SO4)3+6H2O A12(SO4)3+6NH4HCO3→2AI(OH)3++3(NH4)2SO4+6CO2↑ 铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)法(fa)烧碱(jian)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)以2：1配比在(zai)(zai)100℃以上(shang)进(jin)(jin)行(xing)(xing)反(fan)(fan)(fan)(fan)应(ying)(ying)，制(zhi)(zhi)得(de)铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)溶(rong)(rong)(rong)液(ye)。硫(liu)(liu)(liu)(liu)酸(suan)(suan)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)以1.25：1配比在(zai)(zai)110℃下(xia)反(fan)(fan)(fan)(fan)应(ying)(ying)，制(zhi)(zhi)得(de)硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)溶(rong)(rong)(rong)液(ye)。然后(hou)(hou)将(jiang)铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)溶(rong)(rong)(rong)液(ye)与(yu)(yu)硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)溶(rong)(rong)(rong)液(ye)中和至pH6.5，生成氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)沉淀，经水(shui)洗(xi)、压(ya)滤(lv)，于70～80℃下(xia)干燥12h，再经粉(fen)(fen)碎，制(zhi)(zhi)得(de)氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)成品。其(qi) A12O3+2NaOH→2NaAO2+H2O Al2O3+3H2SO4→A12(SO4)3+3H2O 6NaAIO2+A12(SO4)3+12H2O→8Al(OH)3↓+3Na2SO4 回收法(fa)将(jiang)回收的(de)(de)三(san)(san)氯化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)经水(shui)溶(rong)(rong)(rong)解(jie)、活性炭(tan)脱色及过(guo)(guo)滤(lv)除(chu)杂后(hou)(hou)，与(yu)(yu)碳(tan)(tan)酸(suan)(suan)钠(na)(na)反(fan)(fan)(fan)(fan)应(ying)(ying)生成氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)，再经过(guo)(guo)滤(lv)、洗(xi)涤、干燥，得(de)氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)产(chan)(chan)品。其(qi) 2A1C13+3Na2CO3+3H2O→2AI(OH)3↓+6NaCl+3CO2↑ 三(san)(san)、碳(tan)(tan)酸(suan)(suan)氢(qing)铵法(fa)。将(jiang)硫(liu)(liu)(liu)(liu)酸(suan)(suan)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)粉(fen)(fen)或铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)作用生成硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)，再与(yu)(yu)碳(tan)(tan)酸(suan)(suan)氢(qing)铵进(jin)(jin)行(xing)(xing)复分(fen)解(jie)反(fan)(fan)(fan)(fan)应(ying)(ying)，制(zhi)(zhi)得(de)氢(qing)氧(yang)化(hua)(hua)铝(lv)(lv)(lv)(lv)(lv)。2Al(OH)3+3H2SO4→Al2(SO4)3+6H2OAl2(SO4)3+6NH4HCO3→2Al(OH)3↓+3(NH4)2SO4+6CO2↑ 四、铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)法(fa)。将(jiang)氢(qing)氧(yang)化(hua)(hua)钠(na)(na)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)反(fan)(fan)(fan)(fan)应(ying)(ying)制(zhi)(zhi)得(de)铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)，硫(liu)(liu)(liu)(liu)酸(suan)(suan)与(yu)(yu)铝(lv)(lv)(lv)(lv)(lv)灰(hui)(hui)反(fan)(fan)(fan)(fan)应(ying)(ying)制(zhi)(zhi)得(de)硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)，然后(hou)(hou)把铝(lv)(lv)(lv)(lv)(lv)酸(suan)(suan)钠(na)(na)与(yu)(yu)硫(liu)(liu)(liu)(liu)酸(suan)(suan)铝(lv)(lv)(lv)(lv)(lv)进(jin)(jin)行(xing)(xing)中