Valorization of algal waste via pyrolysis in a fixed-bed reactor: Production and characterization of bio-oil and bio-char

被引：148
作者：
Aboulkas, A. [1 ,2 ,3 ]
Hammani, H. [1 ,4 ]
El Achaby, M. [3 ]
Bilal, E. [5 ]
Barakat, A. [2 ,3 ]
El Harfi, K. [1 ]
机构：
[1] Univ Sultan Moulay Slimane, Fac Polydisciplinaire Beni Mellal, Lab Interdisciplinaire Rech Sci & Tech, BP 592, Beni Mellal 23000, Morocco
[2] Univ Montpellier, INRA, IATE, CIRAD,Montpellier SupAgro, F-34060 Montpellier, France
[3] Mohamed 6 Polytech Univ, Mat Sci & Nanoengn Dept, Lot 660 Hay MoulayRachid, Benguerir 43150, Morocco
[4] Univ Hassan 1, Lab Chim & Modelisat Math, Khouribga 25000, Morocco
[5] OCP Grp, R&D OCP, Complexe Ind Jorf Lasfar,BP 118, El Jadida, Morocco
来源：
BIORESOURCE TECHNOLOGY | 2017年 / 243卷
关键词：
Pyrolysis; Algal waste; Bio-oil; Bio-char; Characterization; MACROALGAE ENTEROMORPHA-PROLIFERA; FREE-FALL REACTOR; AGAR-AGAR; BIOMASS; KINETICS; LIQUEFACTION; RAPESEED; RESIDUE; BLOOMS; TGA;
D O I：
10.1016/j.biortech.2017.06.098
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The aim of the present work is to develop processes for the production of bio-oil and bio-char from algae waste using the pyrolysis at controlled conditions. The pyrolysis was carried out at different temperatures 400-600 degrees C and different heating rates 5-50 degrees C/min. The algal waste, bio-oil and bio-char were successfully characterized using Elemental analysis, Chemical composition, TGA, FTIR, H-1 NMR, GC-MS and SEM. At a temperature of 500 degrees C and a heating rate of 10 degrees C/min, the maximum yield of bio-oil and bio-char was found to be 24.10 and 44.01 wt%, respectively, which was found to be strongly influenced by the temperature variation, and weakly affected by the heating rate variation. Results show that the bio-oil cannot be used as bio-fuel, but can be used as a source of value-added chemicals. On the other hand, the bio-char is a promising candidate for solid fuel applications and for the production of carbon materials. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：400 / 408
页数：9
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