Adding gas from biomass to the gas grid - SGC

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SystemCapacity Energy output Energy outputkg/h kWe kWth103 455 592 1650104 910 1184 3300106 2730 3552 9900Table 71: Performance Thermogenics processFigure 23: Overview of the Thermogenics gasification processhydrogenation:ECNProcess name: hydrogenationManufacturer: ECNOrigin:derived from the ‘Hydrocarb’ processDescription:• pressure 30 bar• temperature 800 °C• reactant hydrogenStatus:laboratory and bench-scale testsEfficiency: 81%The hydrogenation of coal is already demonstrated on a large scale (240 tons a day) in the ‘Hydrocarb’process. ECN in the Netherlands is starting a project to demonstrate the hydrogenation of biomass. In thisprocess the hydrogenation is followed by a methanation step. Table 72 shows the gas composition aftercleaning and methanation.page: 141
Quality Value UnitComponents• Carbon monoxide0 %• Hydrogen81 %• Methane9 %• Other hydrocarbons0 %• Carbon dioxide9 %• Nitrogen and argon1 %Combustion propertiesCalorific valueWobbe index3944MJ/m 3MJ/m 3Table 72: Product gas ECN-hydrogenation after cleaning and methanationpage: 142
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Report SGC 118Adding gas from bioma
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CONTENTS1 INTRODUCTION 32 IMPORTANC
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2 IMPORTANCE OF ADDING GAS FROM BIO
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Incentives by eco-labelingBy adding
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is mixed with coal in a combustor p
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Comparing efficiency data is a diff
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Figure 1: Energy flow diagram and i
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The product revenues are the most u
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3.1.2 Survey of technologiesThis pa
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3.1.3 Table of biogas compositionsD
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Aspect Unit ValueManure M 3 /day 6B
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Technologies for syngas upgradingTh
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CompositionProcesscalorific value M
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4 PIPELINE QUALITY GAS FROM BIOGAS4
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Removal of hydrogen sulphide with m
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Parameter Unit Process Plant exampl
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Parameter Unit Process valueCapacit
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600.9500.840Wobbe index [MJ/m 3 n]R
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Figure 4 illustrates reported inves
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4.3.4 Upgrading by absorption of ca
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Removal of carbon dioxide by water
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Selexol from the flash tank is depr
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poisonous and aggressive liquid wit
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Parameter Unit ProcessCapacity rang
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gas system is maintained by a contr
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In the gasification process the fir
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A catalytic process requires a feed
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In all countries gas in a distribut
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6 SUPPLYING GAS FROM BIOMASS TO THE
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In Europe only two kinds of natural
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Component or quality Unit Limit or
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The directive thus also provides po
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Figure 13: Maximum range of permitt
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Figure 16: Wobbe index for differen
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6.2.5 Discrepancies between standar
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6.2.7 Description of national or de
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Figure 17:Arrangement of the contro
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Measurement methodDetection tubes f
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Descriptioncalculation of propertie
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The possibility of adding off-spec
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Europe among countries relying on e
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7.1.3 FinlandBiogas is mainly produ
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Figure 18: Distribution of capacity
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Calorific Availability Market price
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Many landfills are equipped with ga
Page 91 and 92: the type and volume of the respecti
Page 93 and 94: 7.2.4 FranceThere are currently no
Page 95 and 96: 7.2.7 SwedenBiogas as a fuel for ve
Page 97 and 98: Policy on renewable energyThe gener
Page 99 and 100: Danish energy policy is to contribu
Page 101 and 102: Carbon dioxide taxApplication€/to
Page 103 and 104: CHP FundThe CHP Fund is an incentiv
Page 105 and 106: Taxation and incentivesFeed-in tari
Page 107 and 108: Subsidies and fundingThere are seve
Page 109 and 110: Figure 20:Impact of the energy tax
Page 111 and 112: TargetsParallel with the target on
Page 113 and 114: Sweden has no actual program dedica
Page 115 and 116: Swedish energy taxesThe Swedish ene
Page 117 and 118: 8 CONCLUSIONS AND RECOMMENDATIONSCo
Page 119 and 120: 14 Upgrading Landfill Gas to Natura
Page 121 and 122: 46 ISO 15971: “Natural gas - Meas
Page 123 and 124: APPENDIX 1:DefinitionsBiogasBiomass
Page 125 and 126: fixed bed gasification: BIONEERProc
Page 127 and 128: Final cooling is accomplished by me
Page 129 and 130: used for direct drying applications
Page 131 and 132: fluidised bed gasification:EISENMAN
Page 133 and 134: fluidised bed gasification:SELTECpr
Page 135 and 136: The Battelle biomass gasification p
Page 137 and 138: Primary heat exchangerThe primary h
Page 139 and 140: active coal filter and cooled. The
Page 141: • Kärnten (Austria)pyrolysis:Pro
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Adding gas from biomass to the gas grid - SGC

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