Removal Of Sulfur From Coal By Treatment With Hydrogen
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Removal Of Sulfur From Coal By Treatment With Hydrogen
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Author : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Coal categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen
DOWNLOAD
Author : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Coal categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen Phase I The Effect Of Operating Variables And Raw Material Properties Research And Development Report No 77 Interim Report
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Author : United States Coal Research Office
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen Phase I The Effect Of Operating Variables And Raw Material Properties Research And Development Report No 77 Interim Report written by United States Coal Research Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen
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Author :
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen
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Author : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Desulfurization categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen
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Author : James H. Gary
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by James H. Gary and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Removal Of Sulfur From Coal By Treatment With Hydrogen
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Author :
language : en
Publisher:
Release Date : 1973
Removal Of Sulfur From Coal By Treatment With Hydrogen written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Research On Sulfur Removal From Coal By Treatment With Hydrogen
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Author : J. H. Gary
language : en
Publisher:
Release Date : 1975
Research On Sulfur Removal From Coal By Treatment With Hydrogen written by J. H. Gary and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Coal categories.
Desulfurization Of Coal Slurries By Electrolysis
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Author : Shashi Bhagwan Lalvani
language : en
Publisher:
Release Date : 1986
Desulfurization Of Coal Slurries By Electrolysis written by Shashi Bhagwan Lalvani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Coal categories.
Conversion Of Hydrogen Sulfide In Coal Gases To Liquid Elemental Sulfur With Monolithic Catalysts
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Author :
language : en
Publisher:
Release Date : 2007
Conversion Of Hydrogen Sulfide In Coal Gases To Liquid Elemental Sulfur With Monolithic Catalysts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Removal of hydrogen sulfide (H2S) from coal gasifier gas and sulfur recovery are key steps in the development of Department of Energy's (DOE's) advanced power plants that produce electric power and clean transportation fuels with coal and natural gas. These plants will require highly clean coal gas with H2S below 1 ppmv and negligible amounts of trace contaminants such as hydrogen chloride, ammonia, alkali, heavy metals, and particulate. The conventional method of sulfur removal and recovery employing amine, Claus, and tail-gas treatment is very expensive. A second generation approach developed under DOE's sponsorship employs hot-gas desulfurization (HGD) using regenerable metal oxide sorbents followed by Direct Sulfur Recovery Process (DSRP). However, this process sequence does not remove trace contaminants and is targeted primarily towards the development of advanced integrated gasification combined cycle (IGCC) plants that produce electricity (not both electricity and transportation fuels). There is an immediate as well as long-term need for the development of cleanup processes that produce highly clean coal gas for next generation power plants. To this end, a novel process is now under development at several research organizations in which the H2S in coal gas is directly oxidized to elemental sulfur over a selective catalyst. Such a process is ideally suited for coal gas from commercial gasifiers with a quench system to remove essentially all the trace contaminants except H2S In the Single-Step Sulfur Recovery Process (SSRP), the direct oxidation of H2S to elemental sulfur in the presence of SO2 is ideally suited for coal gas from commercial gasifiers with a quench system to remove essentially all the trace contaminants except H2S. This direct oxidation process has the potential to produce a super clean coal gas more economically than both conventional amine-based processes and HGD/DSRP. The H2 and CO components of syngas appear to behave as inert with respect to sulfur formed at the SSRP conditions. One problem in the SSRP process that needs to be eliminated or minimized is COS formation that may occur due to reaction of CO with sulfur formed from the Claus reaction. The objectives of this research are to formulate monolithic catalysts for removal of H2S from coal gases and minimum formation of COS with monolithic catalyst supports, [gamma]-alumina wash or carbon coats, and catalytic metals, to develop a catalytic regeneration method for a deactivated monolithic catalyst, to measure kinetics of both direct oxidation of H2S to elemental sulfur with SO2 as an oxidizer and formation of COS in the presence of a simulated coal gas mixture containing H2, CO, CO2, and moisture, using a monolithic catalyst reactor, and to develop kinetic rate equations and model the direct oxidation process to assist in the design of large-scale plants. This heterogeneous catalytic reaction has gaseous reactants such as H2S and SO2. However, this heterogeneous catalytic reaction has heterogeneous products such as liquid elemental sulfur and steam. Experiments on conversion of hydrogen sulfide into elemental sulfur and formation of COS were carried out for the space time range of 130-156 seconds at 120-140 C to formulate catalysts suitable for the removal of H2S and COS from coal gases, evaluate removal capabilities of hydrogen sulfide and COS from coal gases with formulated catalysts, and develop an economic regeneration method of deactivated catalysts. Simulated coal gas mixtures consist of 3,300-3,800-ppmv hydrogen sulfide, 1,600-1,900 ppmv sulfur dioxide, 18-21 v% hydrogen, 29-34 v% CO, 8-10 v% CO2, 5-18 vol % moisture, and nitrogen as remainder. Volumetric feed rates of a simulated coal gas mixture to the reactor are 114-132 SCCM. The temperature of the reactor is controlled in an oven at 120-140 C. The pressure of the reactor is maintained at 116-129 psia. The molar ratio of H2S to SO2 in the monolithic catalyst reactor is maintained approximately at 2 for all the reaction experiment runs.