Assessment of Coal Cleaning Technology - an Evaluation of Chemical Coalcleaning Processes PDF Download
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Author: United States. Environmental Protection Agency. Office of Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 100
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Author: United States. Environmental Protection Agency. Office of Research and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 100
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Author: Lee C. McCandless
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Six chemical coal cleaning processes were examined. Conceptual designs and costs were prepared for these processes and coal preparation facilities, including physical cleaning and size reduction. Transportation of fine coal in agglomerated and unagglomerated forms was also discussed. Chemical cleaning processes were: Pittsburgh Energy Technology Center, Ledgemont, Ames Laboratory, Jet Propulsion Laboratory (two versions), and Guth Process (KVB). Three of the chemical cleaning processes are similar in concept: PETC, Ledgemont, and Ames. Each of these is based on the reaction of sulfur with pressurized oxygen, with the controlling factor being the partial pressure of oxygen in the reactor. All of the processes appear technically feasible. Economic feasibility is less certain. The recovery of process chemicals is vital to the JPL and Guth processes. All of the processes consume significant amounts of energy in the form of electric power and coal. Energy recovery and increased efficiency are potential areas for study in future more detailed designs. The Guth process (formally designed KVB) appears to be the simplest of the systems evaluated. All of the processes require future engineering to better determine methods for scaling laboratory designs/results to commercial-scale operations. A major area for future engineering is to resolve problems related to handling, feeding, and flow control of the fine and often hot coal.
Author: Bituminous Coal Research, Inc
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 290
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Author: D. L. Khoury
Publisher: William Andrew
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 366
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Author: J. Buroff
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 762
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Author: Sabri Ergun
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 160
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Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category :
Languages : en
Pages : 1584
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Author:
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 85
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Author:
Publisher:
ISBN:
Category : Energy conservation
Languages : en
Pages : 356
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