Rapid Pyrolysis of Mississippi Lignite PDF Download
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Author: Masoumeh Noushin Khaleghdar Arab
Publisher:
ISBN:
Category : Lignite
Languages : en
Pages : 142
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Author: Masoumeh Noushin Khaleghdar Arab
Publisher:
ISBN:
Category : Lignite
Languages : en
Pages : 142
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Book Description
Author: J. E. Clemmer
Publisher:
ISBN:
Category : Coal gasification
Languages : en
Pages : 242
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Book Description
Author: J. E. Clemmer
Publisher:
ISBN:
Category : Coal gasification
Languages : en
Pages : 171
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Book Description
Author: H.H. Schobert
Publisher: Elsevier
ISBN: 0080544622
Category : Science
Languages : en
Pages : 715
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Book Description
Providing a comprehensive survey of the origin, the fundamental properties, and the technology of utilization of the lignites of North America, this book will be of particular interest to professional scientists and engineers working in coal research or coal technology. Coals display a continuum of properties, often with no sharp, steep change between ranks and thus the book restricts the discussion strictly to lignites (with the occasional comparisons with other coals). There is a very extensive index, making the contents of the book easily accessible to the reader.
Author: Oscar E. Morel
Publisher:
ISBN:
Category :
Languages : en
Pages : 548
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Book Description
Author: Calvin Smith Brown
Publisher:
ISBN:
Category : Lignite
Languages : en
Pages : 76
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Author: Pratap C. Pullammanappallil
Publisher:
ISBN:
Category : Oil-shales
Languages : en
Pages : 96
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Pyrolysis and gasification of combined low rank coal and biomass feeds are the subject of much study in an effort to mitigate the production of green house gases from integrated gasification combined cycle (IGCC) systems. While co-feeding has the potential to reduce the net carbon footprint of commercial gasification operations, the effects of co-feeding on kinetics and product distributions requires study to ensure the success of this strategy. Southern yellow pine was pyrolyzed in a semi-batch type drop tube reactor with either Powder River Basin sub-bituminous coal or Mississippi lignite at several temperatures and feed ratios. Product gas composition of expected primary constituents (CO, CO2, CH4, H2, H2O, and C2H4) was determined by in-situ mass spectrometry while minor gaseous constituents were determined using a GC-MS. Product distributions are fit to linear functions of temperature, and quadratic functions of biomass fraction, for use in computational co-pyrolysis simulations. The results are shown to yield significant nonlinearities, particularly at higher temperatures and for lower ranked coals. The co-pyrolysis product distributions evolve more tar, and less char, CH4, and C2H4, than an additive pyrolysis process would suggest. For lignite co-pyrolysis, CO and H2 production are also reduced. The data suggests that evolution of hydrogen from rapid pyrolysis of biomass prevents the crosslinking of fragmented aromatic structures during coal pyrolysis to produce tar, rather than secondary char and light gases. Finally, it is shown that, for the two coal types tested, co-pyrolysis synergies are more significant as coal rank decreases, likely because the initial structure in these coals contains larger pores and smaller clusters of aromatic structures which are more readily retained as tar in rapid co-pyrolysis.
Author: Eric Michael Suuberg
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 421
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Book Description
Author: Ky Lieu
Publisher:
ISBN:
Category : Lignite
Languages : en
Pages : 348
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