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Pyrolytic characteristics and kinetic studies of three kinds of red algae

文献类型: 外文期刊

作者: Li, Demao 2 ; Chen, Limei 2 ; Zhang, Xiaowen 1 ; Ye, Naihao 1 ; Xing, Fuguo 3 ;

作者机构: 1.Yellow Sea Fisheries Res Inst, Key Lab Sustainable Utilizat Marine Fishery Resou, Qingdao 266071, Peoples R China

2.Liaocheng Univ, Inst Agr, Dept Food Sci, Liaocheng 252059, Peoples R China

3.Chinese Acad Agr Sci, Inst Agrofood Sci & Technol, Beijing 100193, Peoples R China

关键词: Algae;Pophyra yezoensis;Plocamium telfairiae Harv;Corallina pilulifera;Pyrolysis;Kinetic analysis

期刊名称:BIOMASS & BIOENERGY ( 影响因子:5.061; 五年影响因子:4.815 )

ISSN: 0961-9534

年卷期: 2011 年 35 卷 5 期

页码:

收录情况: SCI

摘要: Marine algae have great potential as a third generation biofuel feedstock. The pyrolytic and kinetic characteristics of three kinds of red algae (Pophyra yezoensis, Plocamium telfairiae Harv and Corallina pilulifera) were studied at heating rates of 10, 30 and 50 degrees C min(-1) under an inert atmosphere. The most probable mechanism function and activation energy pre-exponential factors were calculated by the Popescu, FWO and KAS methods. Three stages appeared during pyrolysis: moisture evaporation, primary devolatilization and residual decomposition. Significant differences in the average activation energy, thermal stability, final residuals and reaction rates of the algae samples were observed. Stage II of the samples could be described by the Avramic-Erofeev equation. The average activation energy of all samples was similar when calculated by different methods. Kinetic compensation effects of the pre-exponential factors and activation energy were also observed (C) 2011 Elsevier Ltd. All rights reserved.

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