The effect of particle size of CaO and MgO as catalysts for gasification of oil palm empty fruit bunch to produce hydrogen

被引：28

作者：

Ismail, Khomah ^{[1
,2
]}

Yarmo, Mohd Ambar ^{[1
]}

Taufiq-Yap, Y. H. ^{[2
,4
]}

Ahmad, Aishah ^{[3
]}

机构：

[1] Univ Kebangsaan Malaysia, Sch Chem Sci & Food Technol, Fac Sci & Technol, Ukm Bangi 43600, Selangor, Malaysia

[2] Univ Putra Malaysia, Ctr Excellence Catalysis Sci & Technol, Fac Sci, Upm Serdang 43400, Selangor, Malaysia

[3] Sime Darby Res, Carey Isl 42960, Selangor, Malaysia

[4] Univ Putra Malaysia, Dept Chem, Fac Sci, Upm Serdang 43400, Selangor, Malaysia

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 04期

关键词：

Gasification; CaO; MgO; Oil palm empty fruit bunch; Hydrogen; RICH GASEOUS PRODUCTS; STEAM GASIFICATION; WOODY BIOMASS; PYROLYSIS; ENERGY; FUEL;

D O I：

10.1016/j.ijhydene.2011.05.100

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Finely ground and dried palm oil empty fruit bunch (EFB) was gasified using a temperature-programmed technique which online with mass spectrometer. Temperature-programmed gasification (TPG) was done under 5% oxygen in helium to determine the production of hydrogen, as well as CO, CO2 and CH4. TPG was performed from 50-700 degrees C at the heating rate of 10 degrees C min(-1). The temperature was held for 1 h at the final temperature. The effect of mass ratio of metal oxide:EFB was also investigated. Different particle size of calcium oxide and magnesium oxide were chosen as the catalysts. Bulk calcium oxide has shown to enhance the evolution of hydrogen. Nanosized calcium oxide enhanced the production of hydrogen compared to the bulk one and consequently reduced the production of carbon dioxide. Interestingly, when the mass ratio of metal oxide:EFB was changed to 1:2, nanosized MgO showed very significant increase of H-2 production. AU the used catalysts were analyzed by XRD to show the transformation of both bulk and nanosized metal oxides to metal carbonates. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：3639 / 3644

页数：6

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