绵阳师范学院学报
綿暘師範學院學報
면양사범학원학보
JOURNAL OF MIANYANG NORMAL UNIVERSITY
2015年
8期
67-72
,共6页
改性%葵花籽壳%活性炭%比表面积%硝基苯吸附
改性%葵花籽殼%活性炭%比錶麵積%硝基苯吸附
개성%규화자각%활성탄%비표면적%초기분흡부
modification%sunflower seeds shell%activated carbon%sPecific surface area%nitrobenzene adsorPtion
采用磷酸浸渍葵花籽壳在350~850℃的炭化温度下制备生物质活性炭并用自制的生物质活性炭吸附水溶液中的硝基苯.通过对磷酸浸渍比、磷酸浓度、炭化温度、溶液的 PH 值、吸附时间、吸附温度对吸附结果的影响等因素的研究，得到在磷酸浸渍比为2：1、磷酸浓度为50%、炭化温度为650℃条件下制得的活性炭比表面积达到1494.883 m2·g ﹣1；在吸附时间110 min、吸附温度为20℃、溶液 PH 为7的条件下其对水溶液中的硝基苯有最佳吸附效果.硝基苯的吸附去除率可达到95.82%、吸附量达到47.91 mg·g ﹣1.
採用燐痠浸漬葵花籽殼在350~850℃的炭化溫度下製備生物質活性炭併用自製的生物質活性炭吸附水溶液中的硝基苯.通過對燐痠浸漬比、燐痠濃度、炭化溫度、溶液的 PH 值、吸附時間、吸附溫度對吸附結果的影響等因素的研究，得到在燐痠浸漬比為2：1、燐痠濃度為50%、炭化溫度為650℃條件下製得的活性炭比錶麵積達到1494.883 m2·g ﹣1；在吸附時間110 min、吸附溫度為20℃、溶液 PH 為7的條件下其對水溶液中的硝基苯有最佳吸附效果.硝基苯的吸附去除率可達到95.82%、吸附量達到47.91 mg·g ﹣1.
채용린산침지규화자각재350~850℃적탄화온도하제비생물질활성탄병용자제적생물질활성탄흡부수용액중적초기분.통과대린산침지비、린산농도、탄화온도、용액적 PH 치、흡부시간、흡부온도대흡부결과적영향등인소적연구，득도재린산침지비위2：1、린산농도위50%、탄화온도위650℃조건하제득적활성탄비표면적체도1494.883 m2·g ﹣1；재흡부시간110 min、흡부온도위20℃、용액 PH 위7적조건하기대수용액중적초기분유최가흡부효과.초기분적흡부거제솔가체도95.82%、흡부량체도47.91 mg·g ﹣1.
The sunflower seeds shell has been imPregnated by PhosPhoric acid at a ration of 2:1,3:1,4:1,in PreParation of activated carbon from the carbonization temPerature 350 ~ 850 ℃. After examining the PhosPhoric acid imPregnation,the carbonization temPerature,the PH,the adsorPtion temPerature,and the adsorPtion time of the solution on the adsorPtion results. The results show that,in the PhosPhoric imPregnation ratio 2:1,the con-centration of the PhosPhoric acid is 50% ,the activated carbon surface area reached 1494. 883 m2 ·g ﹣ 1 at the car-bonization temPerature of 650 ℃ ,the obtained activated carbon,the PH is 7,adsorPtion temPerature of 20 ℃, adsorPtion time is 110 minutes,the best adsorPtion effect of adsorPtion of nitrobenzene can be obtained. The re-moval efficiency is 95. 82% and the adsorPtion caPacity is 47. 91 mg·g ﹣ 1 .
