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Assessing Biomass Steam Gasification Technologies Using a Multi-Purpose Model [PDF]

Energy Conversion and Management, 2016
Two advanced steam-gasification technologies of biomass, high temperature steam gasification (HTSG) and solar-assisted steam gasification, have been thermodynamically investigated in this work and compared with both conventional auto-thermal gasification
Manosh C Paul, Jun Li
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Pyrolysis and steam gasification properties of mangroves

Chemosphere, 2023
The rising atmospheric CO2 emissions from the burning of fossil fuels remains a global concern. Mangrove forests, which are important for global biodiversity, are known for their high carbon fixation capacity. However, the characteristics of the pyrolysis and gasification of mangroves remain unclear.
Yuya, Sakurai, Jun, Kobayashi, Yuji, Sakai, Ichiro, Naruse   +3 more
openaire   +2 more sources

Steam gasification of coals with calcium hydroxide

Fuel and Energy Abstracts, 1995
Steam gasification of 16 coals with different ranks and sulfur contents was carried out isothermally at 873-973 K in the presence of Ca(OH) 2 with a thermobalance. The catalyst at 5 wt % Ca promotes the gasification of all the coals. The calcium on low-rank coals giving moderate reactivities without catalyst shows large rate enhancement, which leads ...
Yasuo Ohtsuka, Kenji Asami
openaire   +1 more source

Process simulation of biomass gasification with steam as gasification agent

Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2019
Among all renewable energies, biomass has been receiving more attention because of its availability and economic advantages.
Yun Lei, Rong Zhou
openaire   +1 more source

Modelling of biomass gasification with steam

Biomass Conversion and Biorefinery, 2019
A model of biomass steam gasification in a dual fluidised bed (DFB) reactor has been developed. The model involves two stages: pyrolysis of feedstock and gasification of pyrolysis products. The biomass pyrolysis stage is described according to the multiple reactions of first-order kinetics. The model allows one to compute 8 gas species as well as char,
Barbara Wojnicka, Marek Ściążko, Johannes C. Schmid   +2 more
openaire   +1 more source

Steam gasification of Mongolian coals

Solid Fuel Chemistry, 2015
The composition and thermal properties of brown and black coals from a number of deposits in Mongolia were determined. Their reactivity in the process of steam gasification was studied. It was found that semicokes obtained from coals of the Baganuur, Khovil, Shivee Ovoo, and Bagakhangai exhibited comparatively high reactivity in this process.
P. N. Kuznetsov, S. M. Kolesnikova, L. I. Kuznetsova, L. S. Tarasova, Z. R. Ismagilov   +4 more
openaire   +1 more source

Catalyzed steam gasification of biomass

Journal of Analytical and Applied Pyrolysis, 1979
Abstract Steam gasification of wood in the presence of catalysis was investigated. Two methods for wood/catalyst contacting were used: dry mixing of the wood and solid catalyst and impregnation of the wood with catalyst. Impregnation gave greater yields and rates than dry mixing and was used throughout the remainder of the investigation.
L.K. Mudge, L.J. Sealock, S.L. Weber
openaire   +1 more source

Simulation of the steam gasification of coals

Solid Fuel Chemistry, 2012
Based on three chemical reactions, equations were set up in accordance with the developed model to adequately describe experiments on the steam gasification of solid fuel carbon.
Dubinin, A. M., Kagarmanov, G. R., Obozhin, O. A.   +2 more
openaire   +2 more sources

A steam process for coal gasification

Energy, 1979
Abstract A gasification process has been studied using steam as a reactant as well as a heat source to generate hydrogen, carbon monoxide, and methane by using carbon in coal as a reducing agent. Economical operation (60–70% efficiency based on the heating value of coal) can be maintained by using a large excess in steam at 1300 C level (more than 4 ...
S.L. Soo, R.T. Gibbs
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Catalytic steam gasification of coals

Energy & Fuels, 1992
Two bituminous and one subbituminous coals have been gasified with steam in the presence of calcium-potassium oxide or calcium-sodium oxide catalysts at 900 K. The coals gasify at better rates than the corresponding chars or than graphite and at better rates than in the presence of alkali-metal oxides (KO x or NaO x ).
P. Pereira, G. A. Somorjai, H. Heinemann
openaire   +1 more source