Co-Firing of Biomass Books

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The Handbook of Biomass Combustion and Co firing


The Handbook of Biomass Combustion and Co firing
  • Author : Sjaak Van Loo
  • Publisher : Earthscan
  • Release : 2012-05-16
  • ISBN : 9781849773041
  • Language : En, Es, Fr & De
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This unique handbook presents both the theory and application of biomass combustion and co-firing, from basic principles to industrial combustion and environmental impact, in a clear and comprehensive manner. It offers a solid grounding on biomass combustion, and advice on improving combustion systems.Written by leading international academics and industrial experts, and prepared under the auspices of the IEA Bioenergy Implementing Agreement, the handbook is an essential resource for anyone interested in biomass combustion and co-firing technologies varying from domestic woodstoves to utility-scale power generation. The book covers subjects including biomass fuel pre-treatment and logistics, modelling the combustion process and ash-related issues, as well as featuring an overview of the current R&D needs regarding biomass combustion.

Assess of Biomass Co firing Under Oxy fuel Conditions on Hg Speciation and Ash Deposit Formation


Assess of Biomass Co firing Under Oxy fuel Conditions on Hg Speciation and Ash Deposit Formation
  • Author :
  • Publisher :
  • Release : 2018
  • ISBN : OCLC:1051813468
  • Language : En, Es, Fr & De
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Highlights: In coal case, oxy-firing enhances Hg capture on the finest particles. Main affection of oxy-conditions on Hg fate is observed for cofiring processes. Oxy-cofiring increases Hg oxidation in the flue gas phase. At low temperatures, HCl(g) fraction is decreased in oxy-cofiring vs air. Oxy-fuel combustion reduces chloride deposition versus sulphates formation. Abstract: In the last years oxy-fuel combustion has been seen as an attractive method for oxygenated fuels, such as biomass, for controlling simultaneously the excess of heat arising from coal combustion and flue gas emissions (CO2, NOx, SO2 ...). However there is a lack of information with respect to the fate of other toxic pollutants found in trace concentrations, such as mercury, in oxy-fuel processes operating with biomass fuels. In addition, the modified conditions and flue gas composition leads to more corrosive environments which needs of previous evaluation to minimize possibly damaging processes in the boilers, furthermore in case of employing biomass of high alkaline compounds contents. The present work evaluates the effect of oxy-combustion processes of sub-bituminous coal and coal/ biomass (thistle) blends on mercury partitioning and speciation, under both air and different oxy-fuel combustion atmospheres, by means of a bubbling fluidized bed combustor at laboratory scale. HSC Chemistry 6.1 was supplemented for the interpretation of the experimental results and for the analysis of ash deposits formation. Hg speciation was seen to be more affected by oxy-fuel combustion during the co-firing tests than in coal combustion, with an increment in Hg oxidation at low temperatures (T

CO FIRING COAL


CO FIRING COAL
  • Author :
  • Publisher :
  • Release : 2002
  • ISBN : OCLC:1065877620
  • Language : En, Es, Fr & De
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Proposed activities for quarter 7 (12/15/01-3/14/2002): (1) Incorporation of moisture model into PCGC2 code. Parametric study of moisture effects on flame structure and pollutants emissions in cofiring of coal and Liter Biomass (LB) (Task 4); (2) Use the ash tracer method to determine the combustion efficiency and comparison it to results from gas analysis (Task 2); (3) Effect of swirl on combustion performance (Task 2); (4) Completion of the proposed modifications to the gasifier setup (Task 3); (5) Calibration of the Gas Chromatograph (GC) used for measuring the product gas species (Task 3); and (6) To obtain temperature profiles for different fuels under different operating conditions in the fixed bed gasifier (Task 3).

Biomass Cofiring in Coal fired Boilers


Biomass Cofiring in Coal fired Boilers
  • Author :
  • Publisher :
  • Release : 2004
  • ISBN : OCLC:56551403
  • Language : En, Es, Fr & De
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Computational Fluid Dynamics


Computational Fluid Dynamics
  • Author : Adela Ionescu
  • Publisher : BoD – Books on Demand
  • Release : 2018-02-14
  • ISBN : 9789535137900
  • Language : En, Es, Fr & De
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This book is the result of a careful selection of contributors in the field of CFD. It is divided into three sections according to the purpose and approaches used in the development of the contributions. The first section describes the "high-performance computing" (HPC) tools and their impact on CFD modeling. The second section is dedicated to "CFD models for local and large-scale industrial phenomena." Two types of approaches are basically contained here: one concerns the adaptation from global to local scale, - e.g., the applications of CFD to study the climate changes and the adaptations to local scale. The second approach, very challenging, is the multiscale analysis. The third section is devoted to "CFD in numerical modeling approach for experimental cases." Its chapters emphasize on the numerical approach of the mathematical models associated to few experimental (industrial) cases. Here, the impact and the importance of the mathematical modeling in CFD are focused on. It is expected that the collection of these chapters will enrich the state of the art in the CFD domain and its applications in a lot of fields. This collection proves that CFD is a highly interdisciplinary research area, which lies at the interface of physics, engineering, applied mathematics, and computer science.