Activated Carbon from Various Agricultural Wastes by Chemical Activation with KOH: Preparation and Characterization

被引：73
|
作者：
Khalil, H. P. S. Abdul [1 ]
Jawaid, M. [2 ]
Firoozian, P. [1 ]
Rashid, Umer [3 ]
Islam, Aminul [4 ]
Akil, Hazizan Md. [5 ]
机构：
[1] Univ Sains Malaysia, Sch Ind Technol, George Town 11800, Malaysia
[2] Univ Putra Malaysia, Inst Trop Forestry & Forest Prod INTROP, Upm Serdang 43400, Selangor, Malaysia
[3] Univ Putra Malaysia, Inst Adv Technol, Upm Serdang 43400, Selangor, Malaysia
[4] Univ Putra Malaysia, Catalysis Sci & Technol Res Ctr, Fac Sci, Upm Serdang 43400, Selangor, Malaysia
[5] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Nibong Tebal 14300, Malaysia
来源：
JOURNAL OF BIOBASED MATERIALS AND BIOENERGY | 2013年 / 7卷 / 06期
关键词：
Agricultural Biomass; Activated Carbon; Surface Area; Scanning Electron Microscopy; X-Ray Diffraction Analysis; POROUS CARBON; CHERRY STONES; SURFACE; ADSORPTION; BIOMASS; MESOPOROSITY; PRECURSORS; PYROLYSIS; REMOVAL; SHELL;
D O I：
10.1166/jbmb.2013.1379
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Activated carbons (AC) were prepared by pyrolysis from oil palm empty fruit bunch (EFB), bamboo stem (BS), and coconut shells (CNS) at 800 degrees C by using potassium hydroxide under nitrogen atmosphere. The influence of temperature and type of agricultural biomass on surface area and morphological properties investigated. Activated carbon produced from BS have a higher specific surface area (1212 m(2) g(-1)) and microporosity percentage than those produced from oil palm EFB, and CNS lies in the range of commercial activated carbons. The morphological analysis of the samples was determined by scanning electron microscopy. The external surfaces are full of cavities and quite irregular as a result of activation. X-ray diffraction analysis showed degree of crystallinity 13.25% in case of AC-BS sample while AC-EFB and AC-CNS showed a crystallinity of 1.68% and 8.19%, respectively.
引用
收藏
页码：708 / 714
页数：7
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