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Chemical, structural and combustion characteristics of carbonaceous products obtained by hydrothermal carbonization of palm empty fruit bunches

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 May 2013 Singapore Publisher:Elsevier BVJournal:Bioresource Technology, volume 135, pages 683-689 (issn: 0960-8524,

Authors: Parshetti, G.K.; Kent Hoekman, S.; Balasubramanian, R.;

doi: 10.1016/j.biortech.2012.09.042

pmid: 23127830

Chemical, structural and combustion characteristics of carbonaceous products obtained by hydrothermal carbonization of palm empty fruit bunches

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Abstract

A carbon-rich solid product, denoted as hydrochar, was synthesized by hydrothermal carbonization (HTC) of palm oil empty fruit bunch (EFB), at different pre-treatment temperatures of 150, 250 and 350 °C. The conversion of the raw biomass to its hydrochar occurred via dehydration and decarboxylation processes. The hydrochar produced at 350 °C had the maximum energy-density (>27 MJ kg(-1)) with 68.52% of raw EFB energy retained in the char. To gain a detailed insight into the chemical and structural properties, carbonaceous hydrochar materials were characterized by FE-SEM, FT-IR, XRD and Brunauer-Emmett-Teller (BET) analyses. This work also investigated the influence of hydrothermally treated hydrochars on the co-combustion characteristics of low rank Indonesian coal. Conventional thermal gravimetric analysis (TGA) parameters, kinetics and activation energy of different hydrochar and coal blends were estimated. Our results show that solid hydrochars improve the combustion of low rank coals for energy generation.

Country

Singapore

Related Organizations

National University of Singapore
Singapore
Desert Research Institute
United States
Desert Research Institute
United States

Keywords

Co-combustion, Hot Temperature, Water, Hydrothermal carbonization, Arecaceae, Carbon, Kinetics, Coal, Charcoal, Fruit, Energy densification, Biomass, Hydrochar, Biotechnology

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