coal derived removal
Overview of Contaminant Removal From Coal-Derived
2007-11-1 · @article{osti_925817, title = {Overview of Contaminant Removal From Coal-Derived Syngas}, author = {Layne, A. W. and Alvin, M. A. and Granite, E. and Pennline, H. W. and Siriwardane, R. V. and Keairns, D. and Newby, R. A.}, abstractNote = {Gasification is an important strategy for increasing the utilization of abundant domestic coal reserves ...
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Removal of quinoline insolubles from coal derived ...
Removal of quinoline insolubles from coal derived fractions. Patent Simone, A. Coal tar pitch is contacted with a promoter liquid having a 5 volume percent distillation temperature of at least 250/sup 0/F and a 95 volume percent distillation temperature of at least 350/sup 0/F and no greater than about 750/sup 0/F with the liquid having a ...
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Sulfur removal from coal-derived syngas: Thermodynamic ...
The removal of alkali species, consequently, is an important step in the cleaning of coal and biomass-derived syngas. The origins of the alkali contaminant govern the ability of
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(PDF) Biological removal of sulfur using coal derived inocula
The findings also demonstrated the convenience of using inocula derived from coal, where 50 - 60 per cent of pyritic sulfur was removed, while chemical desulfurisation is of little significance ...
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Alkali, boron and phosphorous removal from coal‐derived ...
2011-10-5 · The removal of alkali species, consequently, is an important step in the cleaning of coal and biomass‐derived syngas. The origins of the alkali contaminant govern the ability of specific sorbents to remove these species via chemical means.
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Method for removing HCl and HF from coal derived fuel
1990-6-25 · Specifically, the removal of HCl and HF is achieved by contacting nahcolite ( a naturally occurring form of sodium bicarbonate), sodium bicarbonate, sodium carbonate or Trona (a naturally occurring mixture of sodium bicarbonate and sodium carbonate) in a powder form with the coal derived fuel gas stream at elevated temperatures.
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Research progress of hot gas filtration, desulphurization ...
2012-11-1 · The present review paper focuses mainly on the recent progress of hot gas filtration, desulphurization and HCl removal in coal-derived fuel gas. 2. Hot gas filtration. One of the most complicated tasks in the field of hot gas cleaning is the removal of ash particles from complex mixture of the products formed during thermal treatment. A robust ...
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Coal fly ash derived zeolite for highly efficient removal ...
2020-5-1 · In this research, coal fly ash is used to synthesis the zeolite through hydrothermal processes with an alkali fusion pre-treatment, whose removal rate of Ni 2+ could reach 94%, which effectively uses the coal fly ash, and realizes the sewage recycling. Therefore, this project has potential practical significance.
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Coal-Derived Warm Syngas Purification and CO Capture ...
2014-11-25 · the removal of impurities from gasified coal using a warm cleanup approach. This approach has the potential to be more economic than the currently available acid gas removal approaches and improves upon currently available processes that do not provide the level of impurity removal that is required for catalytic synthesis application.
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Preparation and Evaluation of Coal-Derived Activated ...
2019-5-25 · Coal-derived activated carbons (CDACs) were tested for their suitability in removing trace amounts of vapor-phase mercury from simulated flue gases generated by coal combustion. CDACs were prepared in bench-scale and pilot-scale fluidized-bed reactors with a three-step process, including coal preoxidation, carbonization, and then steam activation.
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Overview of Contaminant Removal From Coal-Derived
2007-11-1 · @article{osti_925817, title = {Overview of Contaminant Removal From Coal-Derived Syngas}, author = {Layne, A. W. and Alvin, M. A. and Granite, E. and Pennline, H. W. and Siriwardane, R. V. and Keairns, D. and Newby, R. A.}, abstractNote = {Gasification is an important strategy for increasing the utilization of abundant domestic coal reserves ...
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Halide removal from coal‐derived syngas: review and ...
2012-3-1 · ABSTRACT Halide species are one of the most abundant and damaging impurities in syngas derived from coal. Aside from environmental concerns, halides can cause irreversible damage to downstream processes such as particulate filters, catalysts, gas separation membranes, fuel cells and turbines. The current trend towards high‐temperature, dry gas
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Biological Removal of Sulfur Using Coal Derived Inocula
Biological Removal of Sulfur Using Coal Derived Inocula Microbial desulfurisation of coal has significant advantages over physicochemical desulfurisation processes since the former process selectively removes the inorganic sulfur compounds and heavy metals without significant carbon loss. The purpose of this study was to improve the ...
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(PDF) Biological removal of sulfur using coal derived inocula
The findings also demonstrated the convenience of using inocula derived from coal, where 50 - 60 per cent of pyritic sulfur was removed, while chemical desulfurisation is of little significance ...
Read More
Removal of Mercury from Coal-Derived Synthesis Gas ...
2005-9-29 · @article{osti_909847, title = {Removal of Mercury from Coal-Derived Synthesis Gas}, author = {}, abstractNote = {A paper study was completed to survey literature, patents, and companies for mercury removal technologies applicable to gasification technologies. The objective was to determine if mercury emissions from gasification of coal are more or less
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Method for removing HCl and HF from coal derived fuel
1990-6-25 · Specifically, the removal of HCl and HF is achieved by contacting nahcolite ( a naturally occurring form of sodium bicarbonate), sodium bicarbonate, sodium carbonate or Trona (a naturally occurring mixture of sodium bicarbonate and sodium carbonate) in a powder form with the coal derived fuel gas stream at elevated temperatures.
Read More
Sulfur removal from coal‐derived syngas: thermodynamic ...
2010-12-9 · Sulfur removal from coal-derived syngas: thermodynamic considerations and review. Michael D. Dolan, Corresponding Author. [email protected]; CSIRO Division of Energy Technology, Kenmore, QLD 4069, Australia. CSIRO Division of Energy Technology, PO Box 883, Kenmore, QLD 4069 Australia.
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Coal-Derived Warm Syngas Purification and CO Capture ...
2014-11-25 · the removal of impurities from gasified coal using a warm cleanup approach. This approach has the potential to be more economic than the currently available acid gas removal approaches and improves upon currently available processes that do not provide the level of impurity removal that is required for catalytic synthesis application.
Read More
Removal of quinoline insolubles from coal derived ...
Removal of quinoline insolubles from coal derived fractions . United States Patent 4405439 . Abstract: Coal tar pitch is contacted with a promoter liquid having a 5 volume percent distillation temperature of at least 250° F. and a 95 volume percent distillation temperature of at least 350° F. and no greater than about 750° F. with the liquid ...
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Preparation and Evaluation of Coal-Derived Activated ...
2019-5-25 · Coal-derived activated carbons (CDACs) were tested for their suitability in removing trace amounts of vapor-phase mercury from simulated flue gases generated by coal combustion. CDACs were prepared in bench-scale and pilot-scale fluidized-bed reactors with a three-step process, including coal preoxidation, carbonization, and then steam activation.
Read More
Biological Removal of Sulfur Using Coal Derived Inocula
Biological Removal of Sulfur Using Coal Derived Inocula Microbial desulfurisation of coal has significant advantages over physicochemical desulfurisation processes since the former process selectively removes the inorganic sulfur compounds and heavy metals without significant carbon loss. The purpose of this study was to improve the ...
Read More
Method for removing HCl and HF from coal derived fuel
1990-6-25 · Specifically, the removal of HCl and HF is achieved by contacting nahcolite ( a naturally occurring form of sodium bicarbonate), sodium bicarbonate, sodium carbonate or Trona (a naturally occurring mixture of sodium bicarbonate and sodium carbonate) in a powder form with the coal derived fuel gas stream at elevated temperatures.
Read More
Alkali, boron and phosphorous removal from coal‐derived ...
2011-10-5 · The removal of alkali species, consequently, is an important step in the cleaning of coal and biomass‐derived syngas. The origins of the alkali contaminant govern the ability of specific sorbents to remove these species via chemical means.
Read More
Halide compound removal from hot coal-derived gas with ...
For simulated coal-derived gas purification, sorbents such as sodium aluminate in particle form and c-alumina achieved HCl removal from the gas phase to less than 1
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Sulfur removal from coal‐derived syngas: thermodynamic ...
2010-12-9 · Sulfur removal from coal-derived syngas: thermodynamic considerations and review. Michael D. Dolan, Corresponding Author. [email protected]; CSIRO Division of Energy Technology, Kenmore, QLD 4069, Australia. CSIRO Division of Energy Technology, PO Box 883, Kenmore, QLD 4069 Australia.
Read More
Removal of quinoline insolubles from coal derived ...
Removal of quinoline insolubles from coal derived fractions . United States Patent 4405439 . Abstract: Coal tar pitch is contacted with a promoter liquid having a 5 volume percent distillation temperature of at least 250° F. and a 95 volume percent distillation temperature of at least 350° F. and no greater than about 750° F. with the liquid ...
Read More
Detection and Removal of Vapour Phase Alkali Species
2022-1-13 · The Thermodynamics of Alkali Removal from Coal-Derived Gases, J. Inst. Energy, 57(12), 391-397 The Removal of Volatile Alkali Salt Vapours from Hot
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12.3. Types of Coal-derived Chemicals | netl.doe.gov
2022-2-11 · 12.3. Types of Coal-derived Chemicals. The processes for production of specific chemicals from coal are typically proprietary systems using specialized process systems. In the following discussion, some of the processes for
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Coal-derived unburned carbons in fly ash: A review
ACCEPTED MANUSCRIPT Coal-derived Unburned Carbons in Fly Ash: A review James C. Howera, John G. Groppoa, Uschi M. Grahama, Colin R. Wardb, Irena J. Kostovac, Mercedes M. Maroto-Valerd, Shifeng Daie,f * a University of Kentucky Center for Applied Energy Research, 2540 Research Park Drive, Lexington, KY 40511 USA b School of Biological, Earth and
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姚洪-华中科技大学固体燃料燃烧姚洪实验室
2019-7-13 · Development of waste-derived sorbents from biomass and brominated flame retarded plastic for elemental mercury removal from coal-fired flue gas. Chem. Eng. J. 350 (2018) 911–919 Shan Tong, Li Xiao, Xian Li, Xianqing Zhu, Huan Liu, Guangqian Luo,Nakorn*.
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