Catalytic hydropyrolysis of biomass using supported CoMo
2020 3 15 Catalytic hydropyrolysis of biomass to green fuels was performed using supported sulfided CoMo catalysts With MgAl 2 O 4 as support material the CoMo loading was varied between 4.1 and 12.0 wt at constant Co/Mo atomic ratio of 0.3 Increasing the metal loading decreased the amount of oxygen in the condensed organic phase from 9.0 to 4.7 wt on dry basis db and the condensable organic
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CEFCO Global Clean Energy LLC Peerless Manufacturing
2013 1 17 Kraft Recovery of TRS Emissions Total Reduced Sulfur H 2 S CO 2 near instantaneous tremendous surface area for gas liquid contact 50 x 10 3 sec TRS emissions were reduced to less than 2 ppm during total run quite successful it is recommended to test for SO 2 removal also Sept 1977 EPA 600/2 77
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Combustion kinetics of H2S and other sulfurous species
2020 9 1 1 Introduction Sulfur exists in organic and inorganic forms in several hydrocarbon fuels including crude oil natural gas and coal To produce clean fuels for various applications and reduce sulfur emission during combustion several desulfurization processes are deployed to transform the sulfur present in crude hydrocarbon fuels into H 2 S and separate it in the form of acid gas a mixture
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Evaluation of chemical oxidizers for hydrogen sulfide
2021 5 22 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
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Catalytic hydropyrolysis of biomass using supported CoMo
2020 3 15 Catalytic hydropyrolysis of biomass to green fuels was performed using supported sulfided CoMo catalysts With MgAl 2 O 4 as support material the CoMo loading was varied between 4.1 and 12.0 wt at constant Co/Mo atomic ratio of 0.3 Increasing the metal loading decreased the amount of oxygen in the condensed organic phase from 9.0 to 4.7 wt on dry basis db and the condensable organic
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USB1Process for the removal of sulfur compounds
A method of reducing sulfur compounds from an incoming gas stream comprising flowing the gas stream over a hydrolysis catalyst to convert COS and CS 2 to H 2 S and reduce SO 2 to elemental sulfur to form an effluent stream providing an acidic gas removal unit comprising an absorbent flowing said effluent stream over said absorbent to produce a stream free of acidic gases applying an acidic
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Pyrolysis catalytic upgrading of bio oil and pyrolysis
2021 3 1 Fast rising population and economic growth are inducing a rapid increase in the energy demand To date fossil fuels constitute the primary energy source but their combustion emits greenhouse gases responsible of global warming Therefore developing environment friendly energy sources is critical For instance pyrolysis converts biomass into valuable compounds such as syngas
Get PriceResearch Siegfried Vlaeminck Siegfried Vlaeminck
2021 1 1 Research team Sustainable Energy Air and Water Technology DuEL Expertise In general Biological wastewater treatment Resource recovery and reuse Sustainable water treatment technology Cleantech and environmental technology Microbial biotechnology More specifically Microbial cleantech for a sustainable water cycle and food production chain Nutrient removal and
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Sulfur recovery unit Keyword Found Websites Listing
Sulfur Recovery Unit Air Liquide Engineering airliquide DA 30 PA 21 MOZ Rank 52 Sulfur Recovery Units SRU from Air Liquide Engineering Construction use a combustion and catalytic process to recover a pure form of sulfur from acid gas streams containing hydrogen sulfide If credit is given for steam produced in the SRU operating costs can be negligible
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Process for recovery of sulfur from an acid gas stream
1999 10 12 The sulfur recovery process of the invention has several advantages over the prior art The process converts and recovers more of the sulfur present in the feed gas stream than the Claus process It converts COS and CS 2 as well as H 2 S and SO 2 sulfur compounds It uses substantially the same equipment as the conventional Claus process without the need for added tail gas processing to
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Sulfur tolerant lanthanide oxysulfide catalysts for the
2011 7 21 We report on the high activity and stability of lanthanide oxysulfides e.g of La 2 O 2 S or Pr 2 O 2 S as catalysts for the high temperature water–gas shift WGS and the reverse water gas shift RWGS reactions The catalytic activity derives from a very large oxygen storage capacity based on the redox of the sulfur ion in the interconverting oxysulfide/oxysulfate phases during reaction.
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Sulfur Recovery UnitSulphur Recovery Unit SRU in
2021 5 27 Sulphur recovery unit in refinery can recover extremely high purity sulfur The standard sulfur recovery rate is 94.5 97.5 and the sulfur recovery rate can be increased to 99.9 through tail gas treatment Energy saving Reliable sulfur recovery unit produced by Ruichang
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Simultaneous removal of organic matter and iron from
2018 12 15 This genera can oxidize certain sulfur containing compounds e.g S 0 S 2 and S 2 O 3 2 as energy resources producing sulfate Nakagawa et al 2007 Yamamoto et al 2010 Therefore the dominant Sulfurovum and the other SOB likely played a very important role in biological sulfide removal and the increase in sulfate concentration
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Two stage catalytic process for recovering sulfur from an
A sulfur recovery system comprising a first reaction zone comprising a short contact time reactor containing a catalyst having activity for catalyzing the partial oxidation of H 2 S to elemental sulfur and water in the presence of O 2 a second reaction zone adapted for receiving reacted gases from said first reaction zone and containing a catalyst having activity for catalyzing the partial reduction of SO 2 to elemental sulfur
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US Patent for Process for the removal of sulfur compounds
A method of reducing sulfur compounds from an incoming gas stream comprising flowing the gas stream over a hydrolysis catalyst to convert COS and CS2 to H2S and reduce SO2 to elemental sulfur to form an effluent stream providing an acidic gas removal unit comprising an absorbent flowing said effluent stream over said absorbent to produce a stream free of acidic gases applying an acidic gas
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CEFCO Global Clean Energy LLC Peerless Manufacturing
2013 1 17 Kraft Recovery of TRS Emissions Total Reduced Sulfur H 2 S CO 2 near instantaneous tremendous surface area for gas liquid contact 50 x 10 3 sec TRS emissions were reduced to less than 2 ppm during total run quite successful it is recommended to test for SO 2 removal also Sept 1977 EPA 600/2 77
Get PricePyrolysis catalytic upgrading of bio oil and pyrolysis
2021 3 1 Fast rising population and economic growth are inducing a rapid increase in the energy demand To date fossil fuels constitute the primary energy source but their combustion emits greenhouse gases responsible of global warming Therefore developing environment friendly energy sources is critical For instance pyrolysis converts biomass into valuable compounds such as syngas
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CACProcess for the removal of sulfur compounds
A method of reducing sulfur compounds from an incoming gas stream comprising i flowing the gas stream over a hydrolysis catalyst to convert COS and CS2 to H2S and reduce SO2 to elemental sulfur to form an effluent stream providing an acidic gas removal unit comprising an absorbent iii flowing said effluent stream over said absorbent to produce a stream free of acidic gases iv applying
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Sulfur Recovery Unit EPC Project in Shanxi Ruichang Energy
2021 5 27 What is sulfur recovery unit Sulfur recovery refers to a chemical process that converts sulfides in toxic sulfur containing gases such as hydrogen sulfide into elemental sulfur thereby turning waste into treasure and protecting the environment The sulfur recovery unit is mainly used for acid gas containing hydrogen sulfide produced in the refining process In general the sulfur recovery unit
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Evaluation of chemical oxidizers for hydrogen sulfide
2021 5 22 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
Get Price
US Patent for Process for the removal of sulfur compounds
A method of reducing sulfur compounds from an incoming gas stream comprising flowing the gas stream over a hydrolysis catalyst to convert COS and CS2 to H2S and reduce SO2 to elemental sulfur to form an effluent stream providing an acidic gas removal unit comprising an absorbent flowing said effluent stream over said absorbent to produce a stream free of acidic gases applying an acidic gas
Get Price
Pyrolysis catalytic upgrading of bio oil and pyrolysis
2021 3 1 Fast rising population and economic growth are inducing a rapid increase in the energy demand To date fossil fuels constitute the primary energy source but their combustion emits greenhouse gases responsible of global warming Therefore developing environment friendly energy sources is critical For instance pyrolysis converts biomass into valuable compounds such as syngas
Get Price
Membrane for hydrogen recovery from streams containing
2007 1 16 A process for generating hydrogen and elemental sulfur from hydrogen sulfide waste in which the hydrogen sulfide is associated under plasma conditions and a portion of the hydrogen output is used in a catalytic reduction unit to convert sulfur containing impurities to hydrogen sulfide for recycle the process also including the addition of an ionizing gas such as argon to initiate the plasma
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Sulfur Recovery Unit Troubleshooting in SRU Plant
2021 6 24 The sulfur recovery unit is the main recovery device of SRU plant and chemical plant used to recover sulfide produced in the industrial production process The combination of sulfur recovery unit and tail gas treatment unit can effectively reduce industrial waste gas emissions Once the sulfur recovery unit troubleshooting is not eliminated in time the elemental sulfur in the sulfide will not be recovered normally which will disrupt the normal progress of the SRU
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Industrialized Application of One stage Isothermal
2016 6 29 The new type one stage isothermal methanation reactor adopted in the plant largely simplifies the process and greatly reduces investment and energy consumption the content of carbon dioxide at outlet is less than 50ppm and the use of low/medium temperature anti carbon deposition nickel based methanation catalyst greatly improves the reaction
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Energies March 2 2020Browse Articles
The activation energies of plastics and rubbers were 105.39 kJ/mol and 115.20 kJ/mol respectively The sponge foams and fibers were 172.59 kJ/mol and 160.30 kJ/mol respectively The mixed sample had an activation energy value of 159.56 kJ/mol.
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Sulfur is an extremely useful element Its largest
2021 6 17 the remaining sulfur gases to sulfur vapor but the combined effect of the entire unit is to reduce the hydrogen sulfide content to an acceptable level High Yields Plus Energy Claus sulfur plants can normally achieve high sulfur recovery efficiencies For lean acid gas streams the recovery typically ranges from 93 for two 2 S and SO 2
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Kinetic study on recovery heat of granulated blast furnace
2017 9 11 The experiments of biomass char gasification in granulated blast furnace BF slag using CO2 as gasification agent were carried out isothermally with a thermogravimetric analyzer between 1173 and 1323 K systematically The reaction rate increased first and then decreased with the increasing time in all conditions The less complete reaction time the higher maximum of reaction rate and the
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