Patent
US 10,316,254Hydrothermal Synthesis of Alkali Promoted MoS₂-Based Catalyst
Molina, Belinda D., Torres, Brenda, Zarei-Chaleshtori, Maryam, Chianelli, Russell R.
6 May 2016·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,316,254Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Illustrates a Gas To Liquid (G T L) schematic. [0014]
FIG. 2. Illustrates an example of results achieved using Reaction 1 conditions described below. [0015]
FIG. 3. Illustrates an example of results achieved using Reaction 2 conditions described below. [0016]
FIG. 4. Illustrates an example of results achieved using Reaction 3 conditions described below. [0017]
FIG. 5. Illustrates an example of results achieved using Reaction 4 conditions described below. [0018]
FIG. 6. Illustrates an example of results achieved using Reaction 5 conditions described below. [0019]
FIG. 7. Illustrates an example of results achieved using Reaction 6 conditions described below. [0020]
FIG. 8. Illustrates an example of results achieved using Reaction 7 conditions described below. [0021]
FIG. 9. Illustrates an example of results achieved using Reaction 8 conditions described below. [0022]
FIG. 10. Illustrates an example of results achieved using Reaction 9 conditions described below. [0023]
FIG. 11. Is a process flow diagram (PFD) that includes the reactor for alcohol synthesis and a downstream knockout drum (also called a flash distillation column …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and molybdenium disulfide in deionized water forming a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
Method of claim 1, wherein the ATM precursor, alkali metal, and molybdenium is present at a starting molar ratio of about 5:0.3:1. Original
Method of claim 1, wherein the alkali metal is potassium. Original
Method of claim 1, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
The process of claim 1 1, wherein the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a C s3Co₅MoS2, C s3Mo S2, C s Coo SMo S2, or Coo sMoS₂ catalyst. Currently amended
A transition metal sulfide Fischer-Tropsch catalyst produced using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture: (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The transition metal sulfide Fischer-Tropsch catalyst of claim 5, whererin the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a Cs₃Co 5 MoS₂ catalyst. Currently amended
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound, cobalt nitrate hexahydrate, and molybdenium disulfide in deionized water to form a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
The method of claim 7, wherein the ATM precursor, alkali metal, cobalt, and molybdenium is present at a starting molar ratio of 5:0.3:0.3:1. Original
The method of claim 7, wherein the alkali metal is potassium. Original
The method of claim 7, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising of: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
A process for converting synthesis gas to hydrocarbons comprising contacting a transition metal sulfide Fischer-Tropsch catalyst with synthesis gas a t a pressure 250 to 500 psi and a temperature 250 to 400 0 C in order to convert the synthesis gas into hydrocarbons, wherein the transition metal sulfide Fischer-Tropsch catalyst is made with a method comprising: mixing an ammonium tetrathiomol y bdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture; heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The process of claim 11, wherein the synthesis gas has a H2:CO ratio of about 0.8. Original
13-14. Canceled
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 2).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 3).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 4).
3 materials1 process step
Synthesis of ammonium tetrathiomolybdate (ATM) precursor by dissolving heptamolybdate in deionized water, adding ammonium sulfide solution, and heating above 55°C for 30 minutes with stirring to produce a bright red ammonium salt kept refrigerated, sealed, and in solution.
3 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with alkali metal compound and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Mo = 5:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
4 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with cobalt nitrate hexahydrate, alkali metal compound, and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Co:Mo = 5:0.3:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
Materials described outside the worked examples.
potassium
K
cesium
Cs
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 275–350 °C | — |
Pressure |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
FUNCTIONALIZED HYBRID NANOTUBE C@MoS2/SnS2 AND PREPARATION METHOD AND APPLICATION THEREOF
Patent
Atlas literature
Patent
US 10,316,254Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Illustrates a Gas To Liquid (G T L) schematic. [0014]
FIG. 2. Illustrates an example of results achieved using Reaction 1 conditions described below. [0015]
FIG. 3. Illustrates an example of results achieved using Reaction 2 conditions described below. [0016]
FIG. 4. Illustrates an example of results achieved using Reaction 3 conditions described below. [0017]
FIG. 5. Illustrates an example of results achieved using Reaction 4 conditions described below. [0018]
FIG. 6. Illustrates an example of results achieved using Reaction 5 conditions described below. [0019]
FIG. 7. Illustrates an example of results achieved using Reaction 6 conditions described below. [0020]
FIG. 8. Illustrates an example of results achieved using Reaction 7 conditions described below. [0021]
FIG. 9. Illustrates an example of results achieved using Reaction 8 conditions described below. [0022]
FIG. 10. Illustrates an example of results achieved using Reaction 9 conditions described below. [0023]
FIG. 11. Is a process flow diagram (PFD) that includes the reactor for alcohol synthesis and a downstream knockout drum (also called a flash distillation column …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and molybdenium disulfide in deionized water forming a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
Method of claim 1, wherein the ATM precursor, alkali metal, and molybdenium is present at a starting molar ratio of about 5:0.3:1. Original
Method of claim 1, wherein the alkali metal is potassium. Original
Method of claim 1, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
The process of claim 1 1, wherein the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a C s3Co₅MoS2, C s3Mo S2, C s Coo SMo S2, or Coo sMoS₂ catalyst. Currently amended
A transition metal sulfide Fischer-Tropsch catalyst produced using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture: (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The transition metal sulfide Fischer-Tropsch catalyst of claim 5, whererin the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a Cs₃Co 5 MoS₂ catalyst. Currently amended
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound, cobalt nitrate hexahydrate, and molybdenium disulfide in deionized water to form a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
The method of claim 7, wherein the ATM precursor, alkali metal, cobalt, and molybdenium is present at a starting molar ratio of 5:0.3:0.3:1. Original
The method of claim 7, wherein the alkali metal is potassium. Original
The method of claim 7, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising of: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
A process for converting synthesis gas to hydrocarbons comprising contacting a transition metal sulfide Fischer-Tropsch catalyst with synthesis gas a t a pressure 250 to 500 psi and a temperature 250 to 400 0 C in order to convert the synthesis gas into hydrocarbons, wherein the transition metal sulfide Fischer-Tropsch catalyst is made with a method comprising: mixing an ammonium tetrathiomol y bdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture; heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The process of claim 11, wherein the synthesis gas has a H2:CO ratio of about 0.8. Original
13-14. Canceled
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 2).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 3).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 4).
3 materials1 process step
Synthesis of ammonium tetrathiomolybdate (ATM) precursor by dissolving heptamolybdate in deionized water, adding ammonium sulfide solution, and heating above 55°C for 30 minutes with stirring to produce a bright red ammonium salt kept refrigerated, sealed, and in solution.
3 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with alkali metal compound and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Mo = 5:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
4 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with cobalt nitrate hexahydrate, alkali metal compound, and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Co:Mo = 5:0.3:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
Materials described outside the worked examples.
potassium
K
cesium
Cs
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 275–350 °C | — |
Pressure |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
FUNCTIONALIZED HYBRID NANOTUBE C@MoS2/SnS2 AND PREPARATION METHOD AND APPLICATION THEREOF
Patent
Atlas literature
Patent
US 10,316,254Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Illustrates a Gas To Liquid (G T L) schematic. [0014]
FIG. 2. Illustrates an example of results achieved using Reaction 1 conditions described below. [0015]
FIG. 3. Illustrates an example of results achieved using Reaction 2 conditions described below. [0016]
FIG. 4. Illustrates an example of results achieved using Reaction 3 conditions described below. [0017]
FIG. 5. Illustrates an example of results achieved using Reaction 4 conditions described below. [0018]
FIG. 6. Illustrates an example of results achieved using Reaction 5 conditions described below. [0019]
FIG. 7. Illustrates an example of results achieved using Reaction 6 conditions described below. [0020]
FIG. 8. Illustrates an example of results achieved using Reaction 7 conditions described below. [0021]
FIG. 9. Illustrates an example of results achieved using Reaction 8 conditions described below. [0022]
FIG. 10. Illustrates an example of results achieved using Reaction 9 conditions described below. [0023]
FIG. 11. Is a process flow diagram (PFD) that includes the reactor for alcohol synthesis and a downstream knockout drum (also called a flash distillation column …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and molybdenium disulfide in deionized water forming a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
Method of claim 1, wherein the ATM precursor, alkali metal, and molybdenium is present at a starting molar ratio of about 5:0.3:1. Original
Method of claim 1, wherein the alkali metal is potassium. Original
Method of claim 1, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
The process of claim 1 1, wherein the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a C s3Co₅MoS2, C s3Mo S2, C s Coo SMo S2, or Coo sMoS₂ catalyst. Currently amended
A transition metal sulfide Fischer-Tropsch catalyst produced using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture: (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The transition metal sulfide Fischer-Tropsch catalyst of claim 5, whererin the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a Cs₃Co 5 MoS₂ catalyst. Currently amended
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound, cobalt nitrate hexahydrate, and molybdenium disulfide in deionized water to form a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
The method of claim 7, wherein the ATM precursor, alkali metal, cobalt, and molybdenium is present at a starting molar ratio of 5:0.3:0.3:1. Original
The method of claim 7, wherein the alkali metal is potassium. Original
The method of claim 7, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising of: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
A process for converting synthesis gas to hydrocarbons comprising contacting a transition metal sulfide Fischer-Tropsch catalyst with synthesis gas a t a pressure 250 to 500 psi and a temperature 250 to 400 0 C in order to convert the synthesis gas into hydrocarbons, wherein the transition metal sulfide Fischer-Tropsch catalyst is made with a method comprising: mixing an ammonium tetrathiomol y bdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture; heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The process of claim 11, wherein the synthesis gas has a H2:CO ratio of about 0.8. Original
13-14. Canceled
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 2).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 3).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 4).
3 materials1 process step
Synthesis of ammonium tetrathiomolybdate (ATM) precursor by dissolving heptamolybdate in deionized water, adding ammonium sulfide solution, and heating above 55°C for 30 minutes with stirring to produce a bright red ammonium salt kept refrigerated, sealed, and in solution.
3 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with alkali metal compound and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Mo = 5:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
4 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with cobalt nitrate hexahydrate, alkali metal compound, and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Co:Mo = 5:0.3:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
Materials described outside the worked examples.
potassium
K
cesium
Cs
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 275–350 °C | — |
Pressure |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
FUNCTIONALIZED HYBRID NANOTUBE C@MoS2/SnS2 AND PREPARATION METHOD AND APPLICATION THEREOF
Patent
Atlas literature
Patent
US 10,316,254Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Illustrates a Gas To Liquid (G T L) schematic. [0014]
FIG. 2. Illustrates an example of results achieved using Reaction 1 conditions described below. [0015]
FIG. 3. Illustrates an example of results achieved using Reaction 2 conditions described below. [0016]
FIG. 4. Illustrates an example of results achieved using Reaction 3 conditions described below. [0017]
FIG. 5. Illustrates an example of results achieved using Reaction 4 conditions described below. [0018]
FIG. 6. Illustrates an example of results achieved using Reaction 5 conditions described below. [0019]
FIG. 7. Illustrates an example of results achieved using Reaction 6 conditions described below. [0020]
FIG. 8. Illustrates an example of results achieved using Reaction 7 conditions described below. [0021]
FIG. 9. Illustrates an example of results achieved using Reaction 8 conditions described below. [0022]
FIG. 10. Illustrates an example of results achieved using Reaction 9 conditions described below. [0023]
FIG. 11. Is a process flow diagram (PFD) that includes the reactor for alcohol synthesis and a downstream knockout drum (also called a flash distillation column …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and molybdenium disulfide in deionized water forming a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
Method of claim 1, wherein the ATM precursor, alkali metal, and molybdenium is present at a starting molar ratio of about 5:0.3:1. Original
Method of claim 1, wherein the alkali metal is potassium. Original
Method of claim 1, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
The process of claim 1 1, wherein the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a C s3Co₅MoS2, C s3Mo S2, C s Coo SMo S2, or Coo sMoS₂ catalyst. Currently amended
A transition metal sulfide Fischer-Tropsch catalyst produced using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture: (ii) heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The transition metal sulfide Fischer-Tropsch catalyst of claim 5, whererin the alkali metal is cesium, the reaction mixture further comprises cobalt nitrate hexahydrate, and the transition metal sulfide Fischer-Tropsch catalyst is a Cs₃Co 5 MoS₂ catalyst. Currently amended
A method of synthesizing alkali promoted transition metal sulfide Fischer- Tropsch catalyst using steps comprising of: (i) mixing an ammonium tetrathiomolybdate (ATM) precursor compound with an alkali metal compound, cobalt nitrate hexahydrate, and molybdenium disulfide in deionized water to form a reaction mixture; (ii) heating the reaction mixture at a temperature above 250 0 C at a pressure above 1000 psi for more than 1 hour to form a transition metal sulfide Fischer-Tropsch catalyst; and (iii) filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Original
The method of claim 7, wherein the ATM precursor, alkali metal, cobalt, and molybdenium is present at a starting molar ratio of 5:0.3:0.3:1. Original
The method of claim 7, wherein the alkali metal is potassium. Original
The method of claim 7, wherein the ammonium tetrathiomolybdate (ATM) precursor compound is synthesized by steps comprising of: (i) dissolving heptamolybdate in deionized water, (ii) adding ammonium sulfide solution, and (iii) heating the solution above 55 0 C for 30 minutes with stirring to produce the ammonium tetrathiomolybdate (ATM) precursor compound. Original
A process for converting synthesis gas to hydrocarbons comprising contacting a transition metal sulfide Fischer-Tropsch catalyst with synthesis gas a t a pressure 250 to 500 psi and a temperature 250 to 400 0 C in order to convert the synthesis gas into hydrocarbons, wherein the transition metal sulfide Fischer-Tropsch catalyst is made with a method comprising: mixing an ammonium tetrathiomol y bdate (ATM) precursor compound with an alkali metal compound and mol y bdenium disulfide in deionized water forming a reaction mixture; heating the reaction mixture at a temperature above 250 0 C and at a pressure above 1000 psi for more than 1 hour to form the transition metal sulfide Fischer-Tropsch catalyst; and filtering, washing, and drying the transition metal sulfide Fischer-Tropsch catalyst. Currently amended
The process of claim 11, wherein the synthesis gas has a H2:CO ratio of about 0.8. Original
13-14. Canceled
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 2).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 3).
No measurements recorded
Fischer-Tropsch reaction using alkali promoted MoS₂-based catalyst under conditions described in the patent (results illustrated in FIG. 4).
3 materials1 process step
Synthesis of ammonium tetrathiomolybdate (ATM) precursor by dissolving heptamolybdate in deionized water, adding ammonium sulfide solution, and heating above 55°C for 30 minutes with stirring to produce a bright red ammonium salt kept refrigerated, sealed, and in solution.
3 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with alkali metal compound and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Mo = 5:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
4 materials1 process step
Synthesis of alkali promoted transition metal sulfide Fischer-Tropsch catalyst by mixing ATM precursor with cobalt nitrate hexahydrate, alkali metal compound, and molybdenium disulfide in deionized water (molar ratio ATM:alkali:Co:Mo = 5:0.3:0.3:1), heating above 250°C and 1000 psi for more than 1 hour, followed by filtering, washing, and drying.
Materials described outside the worked examples.
potassium
K
cesium
Cs
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 275–350 °C | — |
Pressure |
Related documents with shared materials, methods, properties, or citations.
MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION
FUNCTIONALIZED HYBRID NANOTUBE C@MoS2/SnS2 AND PREPARATION METHOD AND APPLICATION THEREOF
Cs₃Co₅MoS₂ catalyst
Cs₃Co₅MoS₂
synthesis gas
Cs₃MoS₂ catalyst
Cs₃MoS₂
CsCoMoS₂ catalyst
CsCoMoS₂
CoMoS₂ catalyst
CoMoS₂
alkali promoted transition metal sulfide Fischer-Tropsch catalyst
| — |
Pressure | 1–500 psi | — |
Temperature | 25–500 °C | — |
Pressure | 250–500 psi | — |
Duration | ≥ 1 hour | — |
Temperature | ≥ 55 °C | — |
Cs₃Co₅MoS₂ catalyst
Cs₃Co₅MoS₂
synthesis gas
Cs₃MoS₂ catalyst
Cs₃MoS₂
CsCoMoS₂ catalyst
CsCoMoS₂
CoMoS₂ catalyst
CoMoS₂
alkali promoted transition metal sulfide Fischer-Tropsch catalyst
| — |
Pressure | 1–500 psi | — |
Temperature | 25–500 °C | — |
Pressure | 250–500 psi | — |
Duration | ≥ 1 hour | — |
Temperature | ≥ 55 °C | — |
Cs₃Co₅MoS₂ catalyst
Cs₃Co₅MoS₂
synthesis gas
Cs₃MoS₂ catalyst
Cs₃MoS₂
CsCoMoS₂ catalyst
CsCoMoS₂
CoMoS₂ catalyst
CoMoS₂
alkali promoted transition metal sulfide Fischer-Tropsch catalyst
| — |
Pressure | 1–500 psi | — |
Temperature | 25–500 °C | — |
Pressure | 250–500 psi | — |
Duration | ≥ 1 hour | — |
Temperature | ≥ 55 °C | — |
Cs₃Co₅MoS₂ catalyst
Cs₃Co₅MoS₂
synthesis gas
Cs₃MoS₂ catalyst
Cs₃MoS₂
CsCoMoS₂ catalyst
CsCoMoS₂
CoMoS₂ catalyst
CoMoS₂
alkali promoted transition metal sulfide Fischer-Tropsch catalyst
| — |
Pressure | 1–500 psi | — |
Temperature | 25–500 °C | — |
Pressure | 250–500 psi | — |
Duration | ≥ 1 hour | — |
Temperature | ≥ 55 °C | — |