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Open AccessJournal ArticleDOI

Thermochemical biomass gasification—a review of the current status of the technology

Ajay Kumar, +2 more
- 21 Jul 2009 - 
- Vol. 2, Iss: 3, pp 556-581
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TLDR
A review of thermochemical biomass gasification for producing biofuels, biopower and chemicals can be found in this paper, where the authors discuss the challenges with gasification are to understand the effects of operating conditions on gasification reactions for reliably predicting and optimizing the product compositions, and for obtaining maximal efficiencies.
Abstract
A review was conducted on the use of thermochemical biomass gasification for producing biofuels, biopower and chemicals. The upstream processes for gasification are similar to other biomass processing methods. However, challenges remain in the gasification and downstream processing for viable commercial applications. The challenges with gasification are to understand the effects of operating conditions on gasification reactions for reliably predicting and optimizing the product compositions, and for obtaining maximal efficiencies. Product gases can be converted to biofuels and chemicals such as Fischer-Tropsch fuels, green gasoline, hydrogen, dimethyl ether, ethanol, methanol, and higher alcohols. Processes and challenges for these conversions are also summarized.

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Tar Formation and Destruction in a Fixed-Bed Reactor Simulating Downdraft Gasification: Equipment Development and Characterization of Tar-Cracking Products

TL;DR: In this article, the authors examined operating parameters that would reduce the residual tar content in the fuel gas in downdraft gasifiers and eventually eliminate it altogether, and the effect of the temperature and the presence of char on product distributions were reported.
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Recent advances in hydrogen production by thermo-catalytic conversion of biomass

TL;DR: In this paper, the authors focused on the conversion of biomass into hydrogen using chemical methods (i.e., those with potential for obtaining H2-rich producer gas streams) and provided new insights for the selection of highly effective and suitable hydrogen production catalysts by biomass conversion applications.
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Activated Carbon Produced by Pyrolysis of Waste Wood and Straw for Potential Wastewater Adsorption.

TL;DR: Pyrolysis of straw pellets and wood strips was performed in a fixed bed reactor to compare properties of the products and the sample with the highest surface area was used as an adsorbent for model wastewater contamination removal.
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Green Synthetic Fuels: Renewable Routes for the Conversion of Non-Fossil Feedstocks into Gaseous Fuels and Their End Uses

TL;DR: In this article, an overview of the overall supply chain, including production, transport, storage and end uses of green synthetic fuels, including hydrogen and natural gas, including storage alternatives and gas interchangeability requirements for safe injection of green fuels in the natural gas network and fuel cells is outlined.
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The deployment of an advanced gasification technology in the treatment of household and other waste streams.

TL;DR: The Gasplasma® process developed by APP is an advanced thermal conversion (ATC) technology which has been developed for the treatment of household and trade wastes and has also been successfully applied to the handling of wastes derived from landfill and would be capable of achieving effective energy conversion when utilised as an integrated part of the Enhanced Landfill Mining (ELFM) concept as discussed by the authors.
References
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Perrys chemical engineers handbook

TL;DR: Perry's Chemical Engineers' Handbook as mentioned in this paper is a free download pdf for chemical engineering applications, from the fundamentals to details on computer applications and control, and it can be found in any computer science course.
Journal ArticleDOI

Synthesis of transportation fuels from biomass: chemistry, catalysts, and engineering.

TL;DR: Hydrogen Production by Water−Gas Shift Reaction 4056 4.1.
ReportDOI

Biomass as Feedstock for A Bioenergy and Bioproducts Industry: The Technical Feasibility of a Billion-Ton Annual Supply

TL;DR: The U.S. Department of Energy and the United States Department of Agriculture have both strongly committed to expanding the role of biomass as an energy source as mentioned in this paper, and they support biomass fuels and products as a way to reduce the need for oil and gas imports; to support the growth of agriculture, forestry, and rural economies; and to foster major new domestic industries making a variety of fuels, chemicals, and other products.
Journal ArticleDOI

Energy production from biomass. (Part 2): Conversion technologies

TL;DR: A brief review of the main conversion processes is presented, with specific regard to the production of a fuel suitable for spark ignition gas engines.
Journal ArticleDOI

A review of the primary measures for tar elimination in biomass gasification processes

TL;DR: In this paper, a review of the research and development in this area are reviewed and cited in the present paper, and the concepts of two-stage gasification and secondary air injection in the gasifier are of prime importance.
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