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xi | |
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1 | (4) |
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1.1 Why Produce Synthetic Natural Gas? |
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1 | (2) |
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3 | (2) |
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2 Coal and Biomass Gasification for SNG Production |
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5 | (36) |
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2.1 Introduction -- Basic Requirements for Gasification in the Framework of SNG Production |
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5 | (1) |
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2.2 Thermodynamics of Gasification |
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6 | (12) |
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2.2.1 Gasification Reactions |
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7 | (1) |
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2.2.2 Overall Gasification Process -- Equilibrium Based Considerations |
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7 | (4) |
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2.2.3 Gasification -- A Multi-step Process Deviating from Equilibrium |
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11 | (2) |
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2.2.4 Heat Management of the Gasification Process |
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13 | (5) |
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2.2.5 Implication of Thermodynamic Considerations for Technology Choice |
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18 | (1) |
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2.3 Gasification Technologies |
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18 | (23) |
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19 | (1) |
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20 | (2) |
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2.3.3 Direct Fluidized Bed |
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22 | (5) |
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2.3.4 Indirect Fluidized Bed Gasification |
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27 | (7) |
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2.3.5 Hydrogasification and Catalytic Gasification |
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34 | (3) |
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37 | (4) |
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41 | (36) |
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41 | (1) |
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42 | (3) |
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42 | (1) |
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43 | (1) |
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43 | (1) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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3.3 Cold, Warm and Hot Gas Cleaning |
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45 | (2) |
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3.3.1 Example of B-IGFC Gas Cleaning Process Chains |
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45 | (2) |
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3.4 Gas Cleaning Technologies |
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47 | (15) |
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47 | (5) |
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52 | (5) |
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57 | (2) |
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3.4.4 Hydrodesulfurization |
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59 | (1) |
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60 | (1) |
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61 | (1) |
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3.4.7 Nitrogen-containing Compounds |
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61 | (1) |
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62 | (1) |
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3.5 Reactive Hot Gas Filter |
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62 | (15) |
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65 | (12) |
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4 Methanation for Synthetic Natural Gas Production -- Chemical Reaction Engineering Aspects |
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77 | (84) |
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4.1 Methanation -- The Synthesis Step in the Production of Synthetic Natural Gas |
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77 | (30) |
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4.1.1 Feed Gas Mixtures for Methanation Reactors |
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79 | (3) |
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4.1.2 Thermodynamic Equilibrium |
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82 | (6) |
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4.1.3 Methanation Catalysts: Kinetics and Reaction Mechanisms |
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88 | (9) |
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4.1.4 Catalyst Deactivation |
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97 | (10) |
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4.2 Methanation Reactor Types |
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107 | (25) |
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4.2.1 Adiabatic Fixed Bed Reactors |
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109 | (8) |
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117 | (12) |
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4.2.3 Comparison of Methanation Reactor Concepts |
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129 | (3) |
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4.3 Modeling and Simulation of Methanation Reactors |
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132 | (14) |
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4.3.1 How to Measure (Intrinsic) Kinetics? |
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133 | (3) |
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4.3.2 Modeling of Fixed Bed Reactors |
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136 | (3) |
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4.3.3 Modeling of Isothermal Fluidized Bed Reactors |
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139 | (7) |
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4.4 Conclusions and Open Research Questions |
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146 | (2) |
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148 | (13) |
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149 | (12) |
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161 | (20) |
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161 | (2) |
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5.2 Separation Processes for SNG Upgrading |
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163 | (11) |
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5.2.1 Bulk CO2/CH4 Separation |
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163 | (6) |
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5.2.2 Removal of other Compounds and Impurities |
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169 | (5) |
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5.3 Techno-Economical Comparison of Selected Separation Options |
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174 | (7) |
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176 | (5) |
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6 SNG from Wood -- The GoBiGas Project |
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181 | (10) |
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181 | (3) |
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6.2 Conditions and Background for the GoBiGas Project in Gothenburg |
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184 | (1) |
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6.3 Technical Description |
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185 | (3) |
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6.4 Technical Issues and Lessons Learned |
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188 | (1) |
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188 | (1) |
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188 | (1) |
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188 | (1) |
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189 | (2) |
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189 | (1) |
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189 | (2) |
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7 The Power to Gas Process: Storage of Renewable Energy in the Natural Gas Grid via Fixed Bed Methanation of CO2/H2 |
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191 | (30) |
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191 | (2) |
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7.1.1 History "Renewable Fuel Paths at ZSW" |
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191 | (1) |
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7.1.2 Goal "Energiewende" |
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192 | (1) |
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7.1.3 Goal "Power Based, Carbon Based Fuels" |
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192 | (1) |
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192 | (1) |
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193 | (1) |
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7.2 The Power to Fuel Concept: Co-utilization of (Biogenic) Carbon and Hydrogen |
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193 | (3) |
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196 | (10) |
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7.3.1 Methanation Characteristics for CO2 Based Syngas |
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197 | (5) |
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7.3.2 P2G® Plant Layout of 25 kWel, 250 kWel, and 6000 kWel Plants |
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202 | (4) |
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206 | (8) |
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7.4.1 Methanation Catalysts: Screening, Cycle Resistance, Contamination by Sulfur Components |
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206 | (3) |
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7.4.2 Results with the 25 kWel P2G® Plant |
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209 | (1) |
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7.4.3 Results with the 250 kWel P2G® Plant |
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210 | (3) |
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7.4.4 Results with the 250 kWel P2G® Plant in Combination with Membrane Gas Upgrade |
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213 | (1) |
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7.5 P2G® Process Efficiency |
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214 | (3) |
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7.6 Conclusion and Outlook |
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217 | (4) |
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219 | (1) |
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219 | (2) |
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8 Fluidized Bed Methanation for SNG Production -- Process Development at the Paul-Scherrer Institut |
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221 | (10) |
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8.1 Introduction to Process Development |
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221 | (2) |
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8.2 Methane from Wood -- Process Development at PSI |
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223 | (8) |
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229 | (2) |
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9 MILENA Indirect Gasification, OLGA Tar Removal, and ECN Process for Methanation |
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231 | (18) |
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Christiaan M. Van der Meijden |
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231 | (2) |
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233 | (7) |
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9.2.1 MILENA Indirect Gasification |
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233 | (3) |
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236 | (1) |
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9.2.3 HDS and Deep S Removal |
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237 | (1) |
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238 | (1) |
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239 | (1) |
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9.2.6 Methanation and Upgrading |
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239 | (1) |
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9.3 Process Efficiency and Economy |
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240 | (1) |
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241 | (4) |
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241 | (1) |
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242 | (1) |
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9.4.3 HDS, Reformer, and Methanation |
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243 | (2) |
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245 | (4) |
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245 | (1) |
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245 | (1) |
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9.5.3 Bio Carbon Capture and Storage |
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246 | (1) |
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246 | (1) |
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246 | (1) |
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247 | (2) |
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10 Hydrothermal Production of SNG from Wet Biomass |
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249 | (30) |
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249 | (3) |
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10.2 Historical Development |
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252 | (1) |
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10.3 Physical and Chemical Bases |
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253 | (13) |
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254 | (5) |
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10.3.2 Phase Behavior and Salt Separation |
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259 | (4) |
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10.3.3 Liquefaction of the Solid Biomass, Tar, and Coke Formation |
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263 | (3) |
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10.4 PSFs Catalytic SNG Process |
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266 | (7) |
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10.4.1 Process Description and Layout |
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266 | (2) |
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268 | (1) |
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269 | (1) |
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10.4.4 Status of Process Development at PSI |
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269 | (2) |
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10.4.5 Comparison to other SNG Processes |
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271 | (2) |
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10.5 Open Questions and Outlook |
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273 | (6) |
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274 | (5) |
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11 Agnion's Small Scale SNG Concept |
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279 | (14) |
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291 | (2) |
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12 Integrated Desulfurization and Methanation Concepts for SNG Production |
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293 | (14) |
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293 | (2) |
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12.2 Concepts for Integrated Desulfurization and Methanation |
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295 | (6) |
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12.2.1 Sulfur-Resistant Methanation |
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295 | (2) |
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12.2.2 Regeneration of Methanation Catalysts |
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297 | (3) |
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12.2.3 Discussion of the Concepts |
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300 | (1) |
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12.3 Required Future Research |
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301 | (6) |
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12.3.1 Sulfur Resistant Methanation |
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301 | (1) |
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12.3.2 Periodic Regeneration |
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302 | (1) |
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303 | (4) |
| Index |
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307 | |