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Cofiring coal and straw in a 150 MWe power boiler experiences
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In this article, ELSAM/MIDTKRAFT equipped the 150 MW e pulverised coal-fired Studstrup power station, unit 1, for a technology demonstration cofiring of coal and straw.Abstract:
In 1995 ELSAM/MIDTKRAFT equipped the 150 MW e pulverised coal-fired Studstrup power station, unit 1, for a technology demonstration cofiring of coal and straw. The conversion consisted of establishing a straw pre-processing plant and modifying the burner system. After plant commissioning in January 1996, a 2-year demonstration program was initiated. The objective of the program was to evaluate the influence of cofiring on boiler plant performance, combustion chemistry, heat surface deposits and corrosion, residue quality, emissions, and selective catalytic reduction (SCR) systems. This paper presents the plant conversion and results from the demonstration period.read more
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An overview of the chemical composition of biomass
TL;DR: An extended overview of the chemical composition of biomass was conducted in this article, where reference peer-reviewed data for chemical composition was used to describe the biomass system, including traditional and complete proximate, ultimate and ash analyses.
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Biomass-coal co-combustion: opportunity for affordable renewable energy
TL;DR: In this paper, the authors explore the reasons for and technical challenges associated with co-combustion of biomass and coal in boilers designed for coal (mainly pulverized coal) combustion.
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An overview of the composition and application of biomass ash.
TL;DR: In this article, an extended overview of the complex phase-mineral and chemical composition and properties of biomass ash (BA) was conducted in Part 1 of the present work and the potential application of BA using the above classification approach is described in the present Part 2.
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An overview of the behaviour of biomass during combustion: Part I. Phase-mineral transformations of organic and inorganic matter
TL;DR: An extended overview of phase-mineral transformations of organic and inorganic matter that occur during biomass combustion was conducted in this article, where it was demonstrated that the phase composition of BA is polycomponent, heterogeneous and variable and includes: (1) mostly inorganic material (IM) composed of non-crystalline (amorphous) and crystalline to semiscale constituents; (2) subordinately organic matter (OM) consisting of char and organic minerals; and (3) some fluid matter associated with both IM and OM.
Journal ArticleDOI
Coal–biomass co-combustion: An overview
TL;DR: In this article, the authors deal with the technical aspects of co-combustion with emphasis on the fundamentals of devolatilization, ignition, burnout and ash deposition behavior along with the constraints and uncertainties associated with the use of different types of biomass of diverse characteristics and the likely impact of partial replacement of coal by biomass on the emission of CO2, SOx, NOx.
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Journal ArticleDOI
Deposit Formation in a 150 MWe Utility PF-Boiler during Co-combustion of Coal and Straw
Karin Hedebo Andersen,Flemming Frandsen,P.B. Hansen,Kate Wieck-Hansen,Ingvard Rasmussen,Peter Overgaard,Kim Dam-Johansen +6 more
TL;DR: In this paper, a conventional PC-fired boiler at the Danish energy company I/S Midtkraft has been converted to coal-straw co-combustion, and a 2-year demonstration program was initiated in January 1996, addressing several aspects of coal−straw coal-co combustion.