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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 Publisher : ISBN 13 : Total Pages :116 pages Book Rating :4.:/5 ( download)
Book Synopsis Removal of Sulfur from Coal by Treatment with Hydrogen by : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
Download or read book Removal of Sulfur from Coal by Treatment with Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and published by . This book was released on 1973 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Colorado School of Mines. Chemical and Petroleum Refining Engineering Department Publisher : ISBN 13 : Total Pages : pages Book Rating :4.:/5 (746 download)
Book Synopsis Removal of Sulfur from Coal by Treatment with Hydrogen by : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
Download or read book Removal of Sulfur from Coal by Treatment with Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 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 by : United States Coal Research Office
Download or read book 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 published by . This book was released on 1973 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Removal of sulfur from coal by treatment with hydrogen by :
Download or read book Removal of sulfur from coal by treatment with hydrogen written by and published by . This book was released on 1973 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Removal of Sulfur from Coal by Treatment with Hydrogen by : James H. Gary
Download or read book Removal of Sulfur from Coal by Treatment with Hydrogen written by James H. Gary and published by . This book was released on 1973 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Colorado School of Mines. Chemical and Petroleum Refining Engineering Department Publisher : ISBN 13 : Total Pages :99 pages Book Rating :4.:/5 (299 download)
Book Synopsis Removal of Sulfur from Coal by Treatment with Hydrogen by : Colorado School of Mines. Chemical and Petroleum Refining Engineering Department
Download or read book Removal of Sulfur from Coal by Treatment with Hydrogen written by Colorado School of Mines. Chemical and Petroleum Refining Engineering Department and published by . This book was released on 1973 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Removal of Sulfur from Coal by Treatment with Hydrogen by :
Download or read book Removal of Sulfur from Coal by Treatment with Hydrogen written by and published by . This book was released on 1973 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research on sulfur removal from coal by treatment with hydrogen by : J. H. Gary
Download or read book Research on sulfur removal from coal by treatment with hydrogen written by J. H. Gary and published by . This book was released on 1975 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coal Desulfurization by : Robert Allen Meyers
Download or read book Coal Desulfurization written by Robert Allen Meyers and published by Marcel Dekker. This book was released on 1977 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Desulfurization of Coal Slurries by Electrolysis by : Shashi Bhagwan Lalvani
Download or read book Desulfurization of Coal Slurries by Electrolysis written by Shashi Bhagwan Lalvani and published by . This book was released on 1986 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Removal of Sulfur from Illinois Coals Via Charring and Partial Oxidation by : Rodney R. Ruch
Download or read book Removal of Sulfur from Illinois Coals Via Charring and Partial Oxidation written by Rodney R. Ruch and published by . This book was released on 1985 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unusual Methods of Sulfur Removal from Coal by : Joseph W. Leonard
Download or read book Unusual Methods of Sulfur Removal from Coal written by Joseph W. Leonard and published by . This book was released on 1967 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Process Development in Removing Sulfur Dioxide from Hot Flue Gases (in Four Parts). by : Andrew G. Sharkey
Download or read book Process Development in Removing Sulfur Dioxide from Hot Flue Gases (in Four Parts). written by Andrew G. Sharkey and published by . This book was released on 1963 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conversion of Hydrogen Sulfide in Coal Gases to Liquid Elemental Sulfur with Monolithic Catalysts by :
Download or read book Conversion of Hydrogen Sulfide in Coal Gases to Liquid Elemental Sulfur with Monolithic Catalysts written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 coat, and catalytic metals, to develop a 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. The task of developing kinetic rate equations and modeling the direct oxidation process to assist in the design of large-scale plants will be abandoned since formulation of catalysts suitable for the removal of H2S and COS is being in progress. 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 46-570 seconds under reaction conditions to formulate catalysts suitable for the removal of H2S and COS from coal gases and evaluate their capabilities in reducing hydrogen sulfide and COS in coal gases. Simulated coal gas mixtures consist of 3,200-4,000-ppmv hydrogen sulfide, 1,600-20,000-ppmv sulfur dioxide, 18-27 v% hydrogen, 29-41 v% CO, 8-12 v% CO2, 0-10 vol % moisture, and nitrogen as remainder. Volumetric feed rates of simulated coal gas mixtures to the reactor are 30 - 180 cm3/min at 1 atm and 25 C (SCCM). The temperature of the reactor is controlled in an oven at 120-155 C. The pressure of the reactor is maintained at 40-210 psia. The molar ratio of H2S to SO2 in the monolithic catalyst reactor is maintained approximately at 2 for all the reaction experiment runs.
Book Synopsis Coal Desulfurization by : S. K. Kawatra
Download or read book Coal Desulfurization written by S. K. Kawatra and published by Taylor & Francis. This book was released on 2001 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was written to provide a comprehensive survey of the current state-of-the-art information in coal preparation, with particular emphasis on coal desulfrization. The primary audience for this book will be practising coal preparation engineers who need complete information about all of the coal preparation and desulphurization technologies that are available now, or that may be available in the future. It will also be valuable for coal researchers who need details and comparative data for cutting-edge technologies that are still under development. The main emphasis is on physical coal preparation, but chapters also include chemical and biological technologies that are under development, but not yet used in industrial practice. Along with the successful technologies, also included are details of processes and techniques that were attempted, but were subsequently abandoned, along with discussions of the reasons they were abandoned.
Book Synopsis Bioprocessing and Biotreatment of Coal by : Wise
Download or read book Bioprocessing and Biotreatment of Coal written by Wise and published by Routledge. This book was released on 2017-11-22 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within technical overview sections on such emerging areas as bioprocessing, bioconversion, biosolubilization, biosystems and biocleaning, this handsomely illustrated reference specifically surveys pioneering work in the genetic production of sulfatase enzymes for removing organic sulfur from coal; r
Book Synopsis Conversion of Hydrogen Sulfide in Coal Gases to Liquid Elemental Sulfur with Monolithic Catalysts by : K. C. Kwon
Download or read book Conversion of Hydrogen Sulfide in Coal Gases to Liquid Elemental Sulfur with Monolithic Catalysts written by K. C. Kwon and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Removal of hydrogen sulfide (H{sub 2}S) 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 H{sub 2}S 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 H{sub 2} 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 H{sub 2}S In the Single-Step Sulfur Recovery Process (SSRP), the direct oxidation of H{sub 2}S to elemental sulfur in the presence of SO{sub 2} is ideally suited for coal gas from commercial gasifiers with a quench system to remove essentially all the trace contaminants except H{sub 2}S. 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 H{sub 2} 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 H{sub 2}S 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 H{sub 2}S to elemental sulfur with SO{sub 2} as an oxidizer and formation of COS in the presence of a simulated coal gas mixture containing H{sub 2}, CO, CO{sub 2}, 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 H{sub 2}S and SO{sub 2}. However, this heterogeneous catalytic reaction has heterogeneous products such as liquid elemental sulfur and steam. To achieve the above-mentioned objectives using a monolithic catalyst reactor, experiments on conversion of hydrogen sulfide into elemental sulfur and formation of COS were carried out for the space time range of 40-560 seconds at 120-150 C to evaluate effects of reaction temperatures, total pressure, space time, and catalyst regeneration on conversion of hydrogen sulfide into elemental sulfur and formation of COS. Simulated coal gas mixtures consist of 3,600-4,000-ppmv hydrogen sulfide, 1,800-2,000 ppmv sulfur dioxide, 23-27 v% hydrogen, 36-41 v% CO, 10-12 v% CO{sub 2}, 0-10 vol % moisture, and nitrogen as remainder. Volumetric feed rates of a simulated coal gas mixture to the reactor are 30-180 SCCM. The temperature of the reactor is controlled in an oven at 120-150 C. The pressure of the reactor is maintained at 40-210 psia. The molar ratio of H{sub 2}S to SO{sub 2} in the monolithic catalyst reactor is maintained approximately at 2 for all the reaction experiment runs.