Patent
US 9,758,739MoS₂ Catalyst System for the Conversion of Sugar Alcohol to Hydrocarbons
Madhu ANAND, Jianhua YAO, Edward L. SUGHRUE II
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,758,739Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. It shows significant improvements over the conventional methanation and combined shif t/methanation processes. The sulfur-tolerant methanation process …
FIG. 2: Unit operations required for the production of substitute natural gas from synthesis gas using a MoS₂ catalyst. [0029]
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
FIG. 4, the Zr/Mo ratio (mol) precipitated during catalyst preparation follows a trend with the pH of the solution. Near pH 5 an optimized ratio of Zr to Mo …
FIG. 5) between CO conversion and the ratio of moles of Zr to Mo, that there is a maximum in the CO conversion at a ratio of 0.75 moles of zirconium to …
FIG. 6 shows the CO conversion and methane yield data for MoS₂ catalysts with and without zirconia as a promoter. It is clear from these data that zirconia …
FIG. 7 that sulfur is important for stability and its quantity has a small effect on the catalyst activity. The black curve is shown for CO conversion for a …
FIG. 8: (A) CO conversion and methane yield for sulfur-tolerant MoS₂ catalyst in the presence of 2200 ppm H₂ S obtained from the thermal decomposition of …
FIG. 9. As expected, increases in GHSV decrease CO conversion and this decrease was not linear. The CH₄ selectivity was fairly constant over the entire range …
FIG. 10. As shown in
FIG. 11 shows that when H 2S concentration was increased from 1% to 2 % of the feed gas, the CO conversion reduced from 80% to 71%. But when the H 2S level was …
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
U S₃ 904386, "Combined shift and methanation reaction process for the gasification of carbonaceous materials." Grabosk and Donath, U.S. Dept. Interior, (1975).
U S₄ 151191, "Sulfur resistant molybdenum catalysts for methanation." Happel and Hnatow, American Gas Assoc., (1979).
U S 4491639, EP0107358, "High activity transition metal catalysts." Happel, et al., Gas Research Inst. (1984).
U S 4867840, U S 5026473, "Method of making artifically textured layered catalyst," Roxlo, Exxon Chem. Eng. Res. (1989).
U S 4962077, "Transition metal tris-dithiolene and related complexes as precursors to active catalysts," Halbert, et al., Exxon Res. Eng. Co., (1990).
US5162281, "Method of preparing hydrotreating catalyst for hydrocarbon oil," Kamo & Kanai, Sumitomo Metal Mining Co. Ltd. (1992).
US6156693, US6451729, "Method for preparing a highly active, unsupported high surface- area MoS₂ catalyst," Song, Penn. State (2002).
U S 6559092, "Precarbonisation of a hydrotreatment catalyst," Dufresne, et al., Europeenne de Retraitement de Catalyseurs Eurecat (2003).
U S 7223713, U S 2005059545, U S 2007238607, W 0 2005023416 "Molybdenum sulfide/carbide catalysts," Alonso, Univ. Texas (2007).
U S 7361624, U S 2003173256, W O₀ 3000410, " Catalyst for hydrogenation treatment of gas oil and method for preparation thereof, and process for hydrogenation treatment of gas oil," Fujikawa, et al., Cosmo Oil Co Ltd. (2003).
U S 7361624, "Catalyst for hydrotreating gas oil, process for producing the same, and method for hydrotreating gas oil," Assignee: Cosmo Oil Co., Inventors: Fujikawa, et al. (2008).
U S 7435760, U S 2005267224, U S 2009007996, W 0 2006076023, "Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels," Herling, et al., Battelle Memorial Inst. (2008).
EP0120590 "Pipeline gas from sulfur containing raw or synthesis gas." Happel, et al., Gas Research Inst. (1984).
USSN 12/849,109, "Hydrotreating Carbohydrates," ConocoPhillips Co., Sughrue, et al., (2010).
US 2010-0099933, "Integrated Process For Converting Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 12/912,164, "Conversion Of Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 61/424,896, "Production Of Renewable Fuels," ConocoPhillips Co., Bares, et al., (2010).
Reid, "Early development of SNG [substitute natural gas] processes." Pap. Substitute Nat. Gas Hydrocarbon Liq., SNG Symp., 1:81-113 (1973).
White, et al., "RMProcess." Adv. Chem. Ser., Methanation Synth. Gas, Symp. 146:138-48 (1975).
White, et al, "The R M Process." Energy Commun., 2:45-63 (1976).
Koch, et al., "Application of Conoco's Super-Meth combined shif t/methanation process to the BGC/Lurgi slagging gasifier." Coal Technol. (Houston) 2:51-80 (1979).
Happel, et al., "Direct catalytic methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 1:723-9 (1980).
Dissinger, et al., "Dynamic simulation of methanation reactors, interstage heat exchangers, and controllers." Chem. Eng. Commun.,4:577-91 (1980).
Sudbury, et al., "Conoco's capabilities in methanation of coal derived syngases." Proc. Int. Gas Res. Con f., 1:687-701 (1980).
Happel, et al., "Methanation with nonmetallic catalysts." Chem. In d. (Dekker),. 5:235-47 (1981).
Happel, J., et al., "Direct methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 2:275-80 (1982).
Happel, J., et al., "Methanation kinetics with transition element catalysts." Proc. In t. Gas Res. Con f., 493-500 (1983).
Happel, J., et al., "Methanation with transition element catalysts." Proc. In t. Gas Res. Con f., 406-14 (1985).
Mitchell, "Computer modelling of a molybdenum disulfate catalyst: density functional calculations on molybdenumsulfur clusters," C. Plant. Proc. Vth Workshop Hydrotreating Catalysts: Bul. Soc. Chim. Belg., 104, 293 (1995).
Lukes and Wallach, "The Great Plains Synfuels Plant-An evolution." Proc.-Annu. Int. Pittsburgh Coal Con f., 20:23-43 (2003).
Barrera, "Dibenzothiophene Hydrodesulfurization Activity of MoS₂ Supported in Sol-Gel ZrO₂-TiO₂ Mixed Oxides," Petroleum Science and Technology, 22:87-101 (2004).
Torrisi, et al., "Catalyst Advancements to Increase Reliability and Value of ULSD Assets," National Petrochemical & Refiners Assoc., Annual Meeting (2005).
Udengaard, et al., "High temperature methanation process-revisited." Proc.-Annu. Int. Pittsburgh Coal Con f.,. 23:2 5/1-2 5/5 (2006).
Bohnet, "Cleaner Fuel by Nanoparticles," Siemens, Innovation Report (2007). www.innovations-report. com/html/reports/environmentsciences/report-78262.html 35. Walston and R.T.G. III, "Coal-derived syngas to substitute natural gas: Technology alternatives and economic implications (2007).
Anand, et al., "Great Plains Coal to Substitute Natural Gas (SNG) Plant." (2007).
Huang, Z., X. Wang, and Y. Fu, Methanation activity of sulfided molybdenum catalysts supported on mixed carrier. Ranliao Huaxue Xuebao, 1990. 18(2): p. 123-9.
Lee, A.L., Evaluation of coal conversion catalysts. Final report January 1978-December 1985. 1987, Inst. Gas Technol.,Chicago,IL,USA. p. 82 pp.
Happel, J. and M.A. Hnatow, Process for making High activity transition metal catalysts. 1982, (Gas Research Institute, USA). US. p. 9 pp.
Nahas, N.C., Exxon catalytic coal gasification process. Fundamentals to flowsheets. Fuel, 1983. 62(2): p. 239-41.
Nahas, N.C., Catalytic gasification of petroleum residues to methane. 2003, (Petro 2020, LLC, USA). Application: US. p. 8 pp.
Nahas, N.C., Catalytic methane synthesis can extend hydrocarbon supply. Oil Gas J., 2004. 102(37): p. 18-20,22,24.
Nahas, N.C. and J.E. Gallagher, Jr., Catalytic gasification predevelopment research. Proc.-Intersoc. Energy Convers. Eng. Con f., 1978. 13(3): p. 2143-7.
Nahas, N.C. and C.J. Vadovic, Catalytic gasification of coal. 1978, (Exxon Research and Engineering Co., USA). Application: US. p. 6 pp.
Anand, M., Catalytic Steam Gasification of Coal for the Production of Substitute Natural Gas (SNG). 2008: Bartlesville.
Meyer, H.S., et al., Direct methanation-a new method of converting synthesis gas to substitute natural gas. Prepr. Pap.-Am. Chem. Soc., Div. Fuel Chem., 1982. 27(1): p. 109-15.
Cover.A.E., et al., Advanced Coal Gasification Technical Analysis, Final report (April 1985-December 1988), in GRI-89/0004. 1989.
Smelser.S.C., et al., Evaluation of Advanced Gas Processing Concepts For Fluidized Bed Gasification in GRI-87/0 158. November 1985-December 1987. p. 90 pp 23 Claims What is claimed is:
Materials described outside the worked examples.
MoS₂
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≤ 15 minutes | — |
Temperature |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,758,739Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. It shows significant improvements over the conventional methanation and combined shif t/methanation processes. The sulfur-tolerant methanation process …
FIG. 2: Unit operations required for the production of substitute natural gas from synthesis gas using a MoS₂ catalyst. [0029]
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
FIG. 4, the Zr/Mo ratio (mol) precipitated during catalyst preparation follows a trend with the pH of the solution. Near pH 5 an optimized ratio of Zr to Mo …
FIG. 5) between CO conversion and the ratio of moles of Zr to Mo, that there is a maximum in the CO conversion at a ratio of 0.75 moles of zirconium to …
FIG. 6 shows the CO conversion and methane yield data for MoS₂ catalysts with and without zirconia as a promoter. It is clear from these data that zirconia …
FIG. 7 that sulfur is important for stability and its quantity has a small effect on the catalyst activity. The black curve is shown for CO conversion for a …
FIG. 8: (A) CO conversion and methane yield for sulfur-tolerant MoS₂ catalyst in the presence of 2200 ppm H₂ S obtained from the thermal decomposition of …
FIG. 9. As expected, increases in GHSV decrease CO conversion and this decrease was not linear. The CH₄ selectivity was fairly constant over the entire range …
FIG. 10. As shown in
FIG. 11 shows that when H 2S concentration was increased from 1% to 2 % of the feed gas, the CO conversion reduced from 80% to 71%. But when the H 2S level was …
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
U S₃ 904386, "Combined shift and methanation reaction process for the gasification of carbonaceous materials." Grabosk and Donath, U.S. Dept. Interior, (1975).
U S₄ 151191, "Sulfur resistant molybdenum catalysts for methanation." Happel and Hnatow, American Gas Assoc., (1979).
U S 4491639, EP0107358, "High activity transition metal catalysts." Happel, et al., Gas Research Inst. (1984).
U S 4867840, U S 5026473, "Method of making artifically textured layered catalyst," Roxlo, Exxon Chem. Eng. Res. (1989).
U S 4962077, "Transition metal tris-dithiolene and related complexes as precursors to active catalysts," Halbert, et al., Exxon Res. Eng. Co., (1990).
US5162281, "Method of preparing hydrotreating catalyst for hydrocarbon oil," Kamo & Kanai, Sumitomo Metal Mining Co. Ltd. (1992).
US6156693, US6451729, "Method for preparing a highly active, unsupported high surface- area MoS₂ catalyst," Song, Penn. State (2002).
U S 6559092, "Precarbonisation of a hydrotreatment catalyst," Dufresne, et al., Europeenne de Retraitement de Catalyseurs Eurecat (2003).
U S 7223713, U S 2005059545, U S 2007238607, W 0 2005023416 "Molybdenum sulfide/carbide catalysts," Alonso, Univ. Texas (2007).
U S 7361624, U S 2003173256, W O₀ 3000410, " Catalyst for hydrogenation treatment of gas oil and method for preparation thereof, and process for hydrogenation treatment of gas oil," Fujikawa, et al., Cosmo Oil Co Ltd. (2003).
U S 7361624, "Catalyst for hydrotreating gas oil, process for producing the same, and method for hydrotreating gas oil," Assignee: Cosmo Oil Co., Inventors: Fujikawa, et al. (2008).
U S 7435760, U S 2005267224, U S 2009007996, W 0 2006076023, "Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels," Herling, et al., Battelle Memorial Inst. (2008).
EP0120590 "Pipeline gas from sulfur containing raw or synthesis gas." Happel, et al., Gas Research Inst. (1984).
USSN 12/849,109, "Hydrotreating Carbohydrates," ConocoPhillips Co., Sughrue, et al., (2010).
US 2010-0099933, "Integrated Process For Converting Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 12/912,164, "Conversion Of Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 61/424,896, "Production Of Renewable Fuels," ConocoPhillips Co., Bares, et al., (2010).
Reid, "Early development of SNG [substitute natural gas] processes." Pap. Substitute Nat. Gas Hydrocarbon Liq., SNG Symp., 1:81-113 (1973).
White, et al., "RMProcess." Adv. Chem. Ser., Methanation Synth. Gas, Symp. 146:138-48 (1975).
White, et al, "The R M Process." Energy Commun., 2:45-63 (1976).
Koch, et al., "Application of Conoco's Super-Meth combined shif t/methanation process to the BGC/Lurgi slagging gasifier." Coal Technol. (Houston) 2:51-80 (1979).
Happel, et al., "Direct catalytic methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 1:723-9 (1980).
Dissinger, et al., "Dynamic simulation of methanation reactors, interstage heat exchangers, and controllers." Chem. Eng. Commun.,4:577-91 (1980).
Sudbury, et al., "Conoco's capabilities in methanation of coal derived syngases." Proc. Int. Gas Res. Con f., 1:687-701 (1980).
Happel, et al., "Methanation with nonmetallic catalysts." Chem. In d. (Dekker),. 5:235-47 (1981).
Happel, J., et al., "Direct methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 2:275-80 (1982).
Happel, J., et al., "Methanation kinetics with transition element catalysts." Proc. In t. Gas Res. Con f., 493-500 (1983).
Happel, J., et al., "Methanation with transition element catalysts." Proc. In t. Gas Res. Con f., 406-14 (1985).
Mitchell, "Computer modelling of a molybdenum disulfate catalyst: density functional calculations on molybdenumsulfur clusters," C. Plant. Proc. Vth Workshop Hydrotreating Catalysts: Bul. Soc. Chim. Belg., 104, 293 (1995).
Lukes and Wallach, "The Great Plains Synfuels Plant-An evolution." Proc.-Annu. Int. Pittsburgh Coal Con f., 20:23-43 (2003).
Barrera, "Dibenzothiophene Hydrodesulfurization Activity of MoS₂ Supported in Sol-Gel ZrO₂-TiO₂ Mixed Oxides," Petroleum Science and Technology, 22:87-101 (2004).
Torrisi, et al., "Catalyst Advancements to Increase Reliability and Value of ULSD Assets," National Petrochemical & Refiners Assoc., Annual Meeting (2005).
Udengaard, et al., "High temperature methanation process-revisited." Proc.-Annu. Int. Pittsburgh Coal Con f.,. 23:2 5/1-2 5/5 (2006).
Bohnet, "Cleaner Fuel by Nanoparticles," Siemens, Innovation Report (2007). www.innovations-report. com/html/reports/environmentsciences/report-78262.html 35. Walston and R.T.G. III, "Coal-derived syngas to substitute natural gas: Technology alternatives and economic implications (2007).
Anand, et al., "Great Plains Coal to Substitute Natural Gas (SNG) Plant." (2007).
Huang, Z., X. Wang, and Y. Fu, Methanation activity of sulfided molybdenum catalysts supported on mixed carrier. Ranliao Huaxue Xuebao, 1990. 18(2): p. 123-9.
Lee, A.L., Evaluation of coal conversion catalysts. Final report January 1978-December 1985. 1987, Inst. Gas Technol.,Chicago,IL,USA. p. 82 pp.
Happel, J. and M.A. Hnatow, Process for making High activity transition metal catalysts. 1982, (Gas Research Institute, USA). US. p. 9 pp.
Nahas, N.C., Exxon catalytic coal gasification process. Fundamentals to flowsheets. Fuel, 1983. 62(2): p. 239-41.
Nahas, N.C., Catalytic gasification of petroleum residues to methane. 2003, (Petro 2020, LLC, USA). Application: US. p. 8 pp.
Nahas, N.C., Catalytic methane synthesis can extend hydrocarbon supply. Oil Gas J., 2004. 102(37): p. 18-20,22,24.
Nahas, N.C. and J.E. Gallagher, Jr., Catalytic gasification predevelopment research. Proc.-Intersoc. Energy Convers. Eng. Con f., 1978. 13(3): p. 2143-7.
Nahas, N.C. and C.J. Vadovic, Catalytic gasification of coal. 1978, (Exxon Research and Engineering Co., USA). Application: US. p. 6 pp.
Anand, M., Catalytic Steam Gasification of Coal for the Production of Substitute Natural Gas (SNG). 2008: Bartlesville.
Meyer, H.S., et al., Direct methanation-a new method of converting synthesis gas to substitute natural gas. Prepr. Pap.-Am. Chem. Soc., Div. Fuel Chem., 1982. 27(1): p. 109-15.
Cover.A.E., et al., Advanced Coal Gasification Technical Analysis, Final report (April 1985-December 1988), in GRI-89/0004. 1989.
Smelser.S.C., et al., Evaluation of Advanced Gas Processing Concepts For Fluidized Bed Gasification in GRI-87/0 158. November 1985-December 1987. p. 90 pp 23 Claims What is claimed is:
Materials described outside the worked examples.
MoS₂
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≤ 15 minutes | — |
Temperature |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,758,739Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. It shows significant improvements over the conventional methanation and combined shif t/methanation processes. The sulfur-tolerant methanation process …
FIG. 2: Unit operations required for the production of substitute natural gas from synthesis gas using a MoS₂ catalyst. [0029]
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
FIG. 4, the Zr/Mo ratio (mol) precipitated during catalyst preparation follows a trend with the pH of the solution. Near pH 5 an optimized ratio of Zr to Mo …
FIG. 5) between CO conversion and the ratio of moles of Zr to Mo, that there is a maximum in the CO conversion at a ratio of 0.75 moles of zirconium to …
FIG. 6 shows the CO conversion and methane yield data for MoS₂ catalysts with and without zirconia as a promoter. It is clear from these data that zirconia …
FIG. 7 that sulfur is important for stability and its quantity has a small effect on the catalyst activity. The black curve is shown for CO conversion for a …
FIG. 8: (A) CO conversion and methane yield for sulfur-tolerant MoS₂ catalyst in the presence of 2200 ppm H₂ S obtained from the thermal decomposition of …
FIG. 9. As expected, increases in GHSV decrease CO conversion and this decrease was not linear. The CH₄ selectivity was fairly constant over the entire range …
FIG. 10. As shown in
FIG. 11 shows that when H 2S concentration was increased from 1% to 2 % of the feed gas, the CO conversion reduced from 80% to 71%. But when the H 2S level was …
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
U S₃ 904386, "Combined shift and methanation reaction process for the gasification of carbonaceous materials." Grabosk and Donath, U.S. Dept. Interior, (1975).
U S₄ 151191, "Sulfur resistant molybdenum catalysts for methanation." Happel and Hnatow, American Gas Assoc., (1979).
U S 4491639, EP0107358, "High activity transition metal catalysts." Happel, et al., Gas Research Inst. (1984).
U S 4867840, U S 5026473, "Method of making artifically textured layered catalyst," Roxlo, Exxon Chem. Eng. Res. (1989).
U S 4962077, "Transition metal tris-dithiolene and related complexes as precursors to active catalysts," Halbert, et al., Exxon Res. Eng. Co., (1990).
US5162281, "Method of preparing hydrotreating catalyst for hydrocarbon oil," Kamo & Kanai, Sumitomo Metal Mining Co. Ltd. (1992).
US6156693, US6451729, "Method for preparing a highly active, unsupported high surface- area MoS₂ catalyst," Song, Penn. State (2002).
U S 6559092, "Precarbonisation of a hydrotreatment catalyst," Dufresne, et al., Europeenne de Retraitement de Catalyseurs Eurecat (2003).
U S 7223713, U S 2005059545, U S 2007238607, W 0 2005023416 "Molybdenum sulfide/carbide catalysts," Alonso, Univ. Texas (2007).
U S 7361624, U S 2003173256, W O₀ 3000410, " Catalyst for hydrogenation treatment of gas oil and method for preparation thereof, and process for hydrogenation treatment of gas oil," Fujikawa, et al., Cosmo Oil Co Ltd. (2003).
U S 7361624, "Catalyst for hydrotreating gas oil, process for producing the same, and method for hydrotreating gas oil," Assignee: Cosmo Oil Co., Inventors: Fujikawa, et al. (2008).
U S 7435760, U S 2005267224, U S 2009007996, W 0 2006076023, "Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels," Herling, et al., Battelle Memorial Inst. (2008).
EP0120590 "Pipeline gas from sulfur containing raw or synthesis gas." Happel, et al., Gas Research Inst. (1984).
USSN 12/849,109, "Hydrotreating Carbohydrates," ConocoPhillips Co., Sughrue, et al., (2010).
US 2010-0099933, "Integrated Process For Converting Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 12/912,164, "Conversion Of Carbohydrates To Hydrocarbons," ConocoPhillips Co., Yao, et al., (2010).
USSN 61/424,896, "Production Of Renewable Fuels," ConocoPhillips Co., Bares, et al., (2010).
Reid, "Early development of SNG [substitute natural gas] processes." Pap. Substitute Nat. Gas Hydrocarbon Liq., SNG Symp., 1:81-113 (1973).
White, et al., "RMProcess." Adv. Chem. Ser., Methanation Synth. Gas, Symp. 146:138-48 (1975).
White, et al, "The R M Process." Energy Commun., 2:45-63 (1976).
Koch, et al., "Application of Conoco's Super-Meth combined shif t/methanation process to the BGC/Lurgi slagging gasifier." Coal Technol. (Houston) 2:51-80 (1979).
Happel, et al., "Direct catalytic methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 1:723-9 (1980).
Dissinger, et al., "Dynamic simulation of methanation reactors, interstage heat exchangers, and controllers." Chem. Eng. Commun.,4:577-91 (1980).
Sudbury, et al., "Conoco's capabilities in methanation of coal derived syngases." Proc. Int. Gas Res. Con f., 1:687-701 (1980).
Happel, et al., "Methanation with nonmetallic catalysts." Chem. In d. (Dekker),. 5:235-47 (1981).
Happel, J., et al., "Direct methanation of raw synthesis gas." Proc. In t. Gas Res. Con f., 2:275-80 (1982).
Happel, J., et al., "Methanation kinetics with transition element catalysts." Proc. In t. Gas Res. Con f., 493-500 (1983).
Happel, J., et al., "Methanation with transition element catalysts." Proc. In t. Gas Res. Con f., 406-14 (1985).
Mitchell, "Computer modelling of a molybdenum disulfate catalyst: density functional calculations on molybdenumsulfur clusters," C. Plant. Proc. Vth Workshop Hydrotreating Catalysts: Bul. Soc. Chim. Belg., 104, 293 (1995).
Lukes and Wallach, "The Great Plains Synfuels Plant-An evolution." Proc.-Annu. Int. Pittsburgh Coal Con f., 20:23-43 (2003).
Barrera, "Dibenzothiophene Hydrodesulfurization Activity of MoS₂ Supported in Sol-Gel ZrO₂-TiO₂ Mixed Oxides," Petroleum Science and Technology, 22:87-101 (2004).
Torrisi, et al., "Catalyst Advancements to Increase Reliability and Value of ULSD Assets," National Petrochemical & Refiners Assoc., Annual Meeting (2005).
Udengaard, et al., "High temperature methanation process-revisited." Proc.-Annu. Int. Pittsburgh Coal Con f.,. 23:2 5/1-2 5/5 (2006).
Bohnet, "Cleaner Fuel by Nanoparticles," Siemens, Innovation Report (2007). www.innovations-report. com/html/reports/environmentsciences/report-78262.html 35. Walston and R.T.G. III, "Coal-derived syngas to substitute natural gas: Technology alternatives and economic implications (2007).
Anand, et al., "Great Plains Coal to Substitute Natural Gas (SNG) Plant." (2007).
Huang, Z., X. Wang, and Y. Fu, Methanation activity of sulfided molybdenum catalysts supported on mixed carrier. Ranliao Huaxue Xuebao, 1990. 18(2): p. 123-9.
Lee, A.L., Evaluation of coal conversion catalysts. Final report January 1978-December 1985. 1987, Inst. Gas Technol.,Chicago,IL,USA. p. 82 pp.
Happel, J. and M.A. Hnatow, Process for making High activity transition metal catalysts. 1982, (Gas Research Institute, USA). US. p. 9 pp.
Nahas, N.C., Exxon catalytic coal gasification process. Fundamentals to flowsheets. Fuel, 1983. 62(2): p. 239-41.
Nahas, N.C., Catalytic gasification of petroleum residues to methane. 2003, (Petro 2020, LLC, USA). Application: US. p. 8 pp.
Nahas, N.C., Catalytic methane synthesis can extend hydrocarbon supply. Oil Gas J., 2004. 102(37): p. 18-20,22,24.
Nahas, N.C. and J.E. Gallagher, Jr., Catalytic gasification predevelopment research. Proc.-Intersoc. Energy Convers. Eng. Con f., 1978. 13(3): p. 2143-7.
Nahas, N.C. and C.J. Vadovic, Catalytic gasification of coal. 1978, (Exxon Research and Engineering Co., USA). Application: US. p. 6 pp.
Anand, M., Catalytic Steam Gasification of Coal for the Production of Substitute Natural Gas (SNG). 2008: Bartlesville.
Meyer, H.S., et al., Direct methanation-a new method of converting synthesis gas to substitute natural gas. Prepr. Pap.-Am. Chem. Soc., Div. Fuel Chem., 1982. 27(1): p. 109-15.
Cover.A.E., et al., Advanced Coal Gasification Technical Analysis, Final report (April 1985-December 1988), in GRI-89/0004. 1989.
Smelser.S.C., et al., Evaluation of Advanced Gas Processing Concepts For Fluidized Bed Gasification in GRI-87/0 158. November 1985-December 1987. p. 90 pp 23 Claims What is claimed is:
Materials described outside the worked examples.
MoS₂
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≤ 15 minutes | — |
Temperature |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,758,739Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. It shows significant improvements over the conventional methanation and combined shif t/methanation processes. The sulfur-tolerant methanation process …
FIG. 2: Unit operations required for the production of substitute natural gas from synthesis gas using a MoS₂ catalyst. [0029]
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
FIG. 4, the Zr/Mo ratio (mol) precipitated during catalyst preparation follows a trend with the pH of the solution. Near pH 5 an optimized ratio of Zr to Mo …
FIG. 5) between CO conversion and the ratio of moles of Zr to Mo, that there is a maximum in the CO conversion at a ratio of 0.75 moles of zirconium to …
FIG. 6 shows the CO conversion and methane yield data for MoS₂ catalysts with and without zirconia as a promoter. It is clear from these data that zirconia …
FIG. 7 that sulfur is important for stability and its quantity has a small effect on the catalyst activity. The black curve is shown for CO conversion for a …
FIG. 8: (A) CO conversion and methane yield for sulfur-tolerant MoS₂ catalyst in the presence of 2200 ppm H₂ S obtained from the thermal decomposition of …
FIG. 9. As expected, increases in GHSV decrease CO conversion and this decrease was not linear. The CH₄ selectivity was fairly constant over the entire range …
FIG. 10. As shown in
FIG. 11 shows that when H 2S concentration was increased from 1% to 2 % of the feed gas, the CO conversion reduced from 80% to 71%. But when the H 2S level was …
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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Materials described outside the worked examples.
MoS₂
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3. It is clear that the catalyst precipitated at pH 5 gives the maximum conversion. After analyzing the catalyst samples with P V SA (pore volume surface …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≤ 15 minutes | — |
Temperature |
Related documents with shared materials, methods, properties, or citations.
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
| — |
Temperature | 450–500 °C | — |
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
| — |
Temperature | 450–500 °C | — |
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
| — |
Temperature | 450–500 °C | — |
FIG. 12: CO conversion for sulfur-tolerant MoS₂ catalyst as a function of temperature during the production of substitute natural gas from synthesis gas. …
| — |
Temperature | 450–500 °C | — |