Last edited by Tet
Tuesday, July 14, 2020 | History

2 edition of Characterization of solid residues from fluidized-bed combustion units found in the catalog.

Characterization of solid residues from fluidized-bed combustion units

James L Crowe

Characterization of solid residues from fluidized-bed combustion units

by James L Crowe

  • 12 Want to read
  • 40 Currently reading

Published by Tennessee Valley Authority, Office of Power, for sale the National Technical Information Service in Chattanooga, Tenn, Springfield, Va .
Written in English

    Subjects:
  • Fluidization,
  • Combustion,
  • Granular materials

  • Edition Notes

    Statementby James L. Crowe, Office of Power, Tennessee Valley Authority, and Stephen K. Seale, Office of Agricultural and Chemical Development, Tennessee Valley Authority
    SeriesTVA PRS ; 31, Interagency energy-environment research and development program report ; EPA-600/7-78-135
    ContributionsSeale, Stephen K., joint author, United States. Environmental Protection Agency. Office of Research and Development, Tennessee Valley Authority. Office of Power, Industrial Environmental Research Laboratory (Research Triangle Park, N.C.), Tennessee Valley Authority. Office of Agricultural and Chemical Development
    The Physical Object
    Paginationvi, 42 p. :
    Number of Pages42
    ID Numbers
    Open LibraryOL14888283M

    Get this from a library! Evaluation of solid residues from atmospheric fluidized bed combustion, / [T W Constable; S E Sawell]. Get this from a library! Disposal of solid residue from fluidized-bed combustion: engineering and laboratory studies. [C C Sun; Industrial Environmental Research Laboratory (Research Triangle .

    Additional Physical Format: Online version: Constable, T. W. Evaluation of solid residues from atmospheric fluidized bed combustion, / Ottawa, Ont., Canada. Beginning with a general introduction to fossil or biofuel conversion choices, the book surveys hydrodynamics, fundamentals of gasification, combustion of solid fuels, pollution aspects including climate change mitigation, heat transfer in fluidized beds, the design and operation of bubbling and circulating fluidized bed boilers, and various.

    This has stimulated the development of advanced combustion, gasification, drying and or cooling of solid particles utilizing the fluidize bed technology The ability of fluidized bed to burn a wide.   Disposal of fluidized bed combustion (FBC) solid residues currently represents one of the major issues in FBC design and operation, and contributes significantly to its operating cost. This issue has triggered research activities on the enhancement of sorbent utilization for in situ sulfur removal. The present study addresses the effectiveness.


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Characterization of solid residues from fluidized-bed combustion units by James L Crowe Download PDF EPUB FB2

J.C. Hower, U.M. Graham, in Coal Combustion Products (CCP's), Fluidized bed combustion systems. Fluidized bed combustion (FBC), a system in which the fuel (e.g., coal) is fed into a solid bed, which has been fluidized by an upward movement of air, includes technologies such as atmospheric fluidized bed combustion, circulating fluidized bed combustion (CFBC), pressurized.

Get this from a library. Characterizaton of solid residues from fluidized-bed combustion units. [James L Crowe; Stephen K Seale; United States. Environmental Protection Agency. Office of Research and Development.; Tennessee Valley Authority. Office of Power.; Industrial Environmental Research Laboratory (Research Triangle Park, N.C.); Tennessee Valley Authority.

4. Discussion Chemical and mineralogical composition. The main components of the solid residues from coal combustion in fluidized beds, using limestone as a sorbent of the SO 2 formed during the combustion process, are those arising from the sulphation reaction (CaSO 4) and the by-products of this reaction (CaO, CaCO 3).However, the main components of the solid residues from Cited by: The characterization of solid wastes from full-scale circulating fluidized bed combustors (CFBC) is necessary to ensure that disposal procedures or utilization strategies for the waste solids are successful.

and compared with the full-scale unit, produces residues with much less promise for either disposal or utilization in low-strength Cited by:   Solid residues recovered from treatment of flue gas resulting from the combustion of municipal solid waste (MSW) are of particular concern because of ever-increasing worldwide production rates and their concentrations of potentially hazardous transition elements and heavy metals.

Three main residue types have been studied in this study: electrostatic precipitator ashes, wet filter cakes, and Cited by: Thermal conversion of ash-rich fuels in fluidized bed systems is often associated with extensive operation problems caused by the high amount of reactive inorganics.

This paper investigates the behavior of wheat straw lignin—a potential renewable fuel for dual fluidized bed gasification. The formation of coherent ash residues and its impact on the operation performance has been. Characterization of refinery wastes from a hydro-catalytic process.

• Pyrolysis and oxidative pyrolysis of Mo rich fuel are different. • Oxygen is uptake in the early stages of pyrolysis. • Molybdenum is retained during pyrolysis at °C. Is lost during combustion. • Char combustion reactivity in fluidized bed is low. 1. Introduction. Pulverized coal combustion (PCC) is the most common burning method used in coal-fire power plant.

Combustion takes place at high temperature of – °C and results in NO x and SO 2 released in flue gas. Due to high combustion temperature, fly ash from this process is mostly spherical in shape with high glassy phase content and also quite reactive.

Solid residues from the combustion and gasification processes are formed in different conditions, and it can be assumed that they will be best suited to contrasting utilization applications.

Results obtained in this study were compared against existing literature values for two fly ashes formed in a bubbling fluidized bed boiler. This work examines the hydrogen gas yield and trace pollutants partitioning in automobile shredder residue (ASR) catalytic gasification by fixed bed and fluidized bed gasifier with controlling at equilibrium ratio (ER)temperature °C, and 5%–15% prepared catalyst addition.

The best example is circulating fluidized bed combustion (CFBC), which provides low emissions of SO 2 and NO x to the atmosphere [3,4,5] while maintaining the efficiency of coal combustion.

A systematic increase of coal combustion by-products from fluidized boilers has been observed in numerous countries. Tests and analyses were conducted to characterize the physical, chemical, exothermic, and leaching properties of solid residues from bubbling bed atmospheric fluidized bed combustion units.

The residues were produced during the combustion of eastern Canadian high-sulphur bituminous coals (4–8% sulphur) in a bed of eastern Canadian limestone. The fluidized bed combustion of a biomass residue (olive husk) common in the Mediterranean area was investigated in a bench-scale reactor.

The focus of the study was the high propensity of this fuel to have bed agglomeration problems during combustion as a consequence of the high potassium content of the ash. Temperature and pressure profiles in the bed were followed as a function of time.

References 1 E. Anthony Fluidized Bed Combustion of Alternative Solid Fuels: Status, Success and Problems of the Technology Progress in Energy and Combustion Science 21 2 G.

Rasmussen, and J. McFee Fluidized Bed Systems for Steam Generation from Scrap Tires Proceedings of the 7th International Conference on Fluidized Bed. Purchase Atmospheric Fluidized Bed Coal Combustion, Volume 22 - 1st Edition. Print Book & E-Book. ISBNIn strive to lower the energy conversion cost and CO2 net emission, more complex biofuels are used.

The combustion of these fuels often creates aggressive and problematic fireside environments in boilers, resulting in reduced availability, which, in turn, may lead to increased usage of fossil fuel in backup boilers.

The objective of the present work was to contribute to the efforts of. Phase Composition of Solid Residues of Fluidized Bed Coal Combustion, Quality Tests, and Application Possibilities J. BRANDŠTETR and J.

HAVLICA Institute of Materials Chemistry, Faculty of Chemistry, Technical University, CZ 00 Brno Received 2 April The scope of this paper is to focus the attention on the newly produced ashes. EPA/ March DISPOSAL OF SOLID RESIDUE FROM FLUIDIZED-BED COMBUSTION: ENGINEERING AND LABORATORY STUDIES by C.

Sun, C. Peterson, R. Newby, W. Vaux, and D. Keairns Westinghouse Research and Development Center Beulah Road Pittsburgh, Pennsylvania Contract No. Program Element No. EHEA EPA. In fluidized bed combustion, fuel is burned in a suspension of gas and solid material (usually sand), which is called a bed layer or bed sand material (Goncalves et al.

Kouvo & Backman Fate of Phosphorus in Fluidized Bed Cocombustion of Chicken Litter with Wheat Straw and Bark Residues. Häggström G, Fürsatz K, Kuba M, Skoglund N, Öhman M.

Published Citation: Häggström G, Fürsatz K, Kuba M, Skoglund N, Öhman M. Fate of Phosphorus in Fluidized Bed Cocombustion of Chicken Litter with Wheat Straw and Bark.

The results show that the OC concentrations are below the detection limit of g/kg of dry matter (DM) and that the EC concentrations are lower than g/kg of DM in the solid residues of the investigated stationary fluidized-bed furnace and of the multiple-hearth furnace.This report presents results for the first 15 months of an environmental assessment of the solid residues generated by fluidized-bed coal combustion and oil gasification.

Tasks included a literature search, chemical and physical residue characterization, laboratory leaching studies, and testing of residues in various materials and agricultural.In fluidized bed combustion (FBC), solid fossil fuels are fed into an inert material bed (e.g., sand, gravel, ash or limestone), which is fluidized by a gas, usually pre-heated air, injected from.