Patent
US 8,293,205OBTAINING CATALYSTS OF MMOS₂ AND M/MOS₂ WITH NANOMETRIC ADDITIVE OF SIO2, SYNTHESIZED IN AQUEOUS SOLUTION ASSISTED BY ULTRASOUND
Lorena ALVAREZ CONTRERAS
US
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US 8,293,205Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a schematic representation of the catalyst synthesis method.
Figure 2A is an optical microscope micrograph that shows the thiosalts precursor crystals obtained by the traditional method and 2 B with the synthesis method of the present invention.
Figure 3 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 4 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 5 is a graphic of the specific surface area value of the catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 6 is a graphic of the specific surface area values of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 7 is a selectivity graphic of the reaction HDS of DBT reaction at 350 o C and 490 psi of the catalysts CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 8 is a catalytic activity graph in the HDS of DBT reaction at 350 ° C and 490 psi of the catalysts for catalytic CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
Figure 12 is a microscope transmission micrograph showing the stacking of strips characteristic of the MoS₂ structure. Detailed Description of the Invention [0033] The present invention relates to a catalyst synthesis method based on promoted transition metal sulfide, with added nanometric …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-3 canceled
canceled
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A method for obtaining a promoted molybdenum sulfide catalyst and a promoted molybdenum sulfide added with a nanometric additive, the method comprising the steps of: mixing a salt of H 24Mo₇N₆O24: 4 H₂ O nanometric-agent with NH₄ O H, and water to form a mixture; sOnif eated sonificatinq the mixture in an ultrasonic bath; adding a group VIB metal transition inorganic salt and a group VIIIB transition metal inorganic salt; bubbling a flow of H₂S in the ultrasonic bath to form thiosalt crystals; aging the thiosalt crystals; and filtering and drying the thiosalt crystals, wherein a nanometric a g ent is further added in the mixin g ste p to obtain the p romoted molybdenum sulfide added with a nanometric additive.
The method according to claim 4, wherein the nanometric agent is selected from silicon, aluminum, titanium, zirconium, or magnesium; wherein the group VIB metal transition inorganic salt is H₂₄Mo 7N₆ O24:4 H₂O; and wherein the Group VIIIB transition metal inorganic salt is Co(N 0 3)2 -_
The method according to claim 4, further including the step of activating the catalyst under a non-toxic gas atmosphere.
The method according to claim 4, wherein the catalyst is obtained based on molybdenum sulfide with oxides nano particles promoted and non-promoted with Ni or Co.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has an atomic relationship between 0.3 to 0.5.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has a molar ratio between 0 and 1:1.
Materials described outside the worked examples.
ammonium heptamolybdate tetrahydrate
H₂₄Mo₇N₆O24·4H₂O
ammonium hydroxide
NH₄OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,293,205Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a schematic representation of the catalyst synthesis method.
Figure 2A is an optical microscope micrograph that shows the thiosalts precursor crystals obtained by the traditional method and 2 B with the synthesis method of the present invention.
Figure 3 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 4 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 5 is a graphic of the specific surface area value of the catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 6 is a graphic of the specific surface area values of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 7 is a selectivity graphic of the reaction HDS of DBT reaction at 350 o C and 490 psi of the catalysts CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 8 is a catalytic activity graph in the HDS of DBT reaction at 350 ° C and 490 psi of the catalysts for catalytic CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
Figure 12 is a microscope transmission micrograph showing the stacking of strips characteristic of the MoS₂ structure. Detailed Description of the Invention [0033] The present invention relates to a catalyst synthesis method based on promoted transition metal sulfide, with added nanometric …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-3 canceled
canceled
canceled
A method for obtaining a promoted molybdenum sulfide catalyst and a promoted molybdenum sulfide added with a nanometric additive, the method comprising the steps of: mixing a salt of H 24Mo₇N₆O24: 4 H₂ O nanometric-agent with NH₄ O H, and water to form a mixture; sOnif eated sonificatinq the mixture in an ultrasonic bath; adding a group VIB metal transition inorganic salt and a group VIIIB transition metal inorganic salt; bubbling a flow of H₂S in the ultrasonic bath to form thiosalt crystals; aging the thiosalt crystals; and filtering and drying the thiosalt crystals, wherein a nanometric a g ent is further added in the mixin g ste p to obtain the p romoted molybdenum sulfide added with a nanometric additive.
The method according to claim 4, wherein the nanometric agent is selected from silicon, aluminum, titanium, zirconium, or magnesium; wherein the group VIB metal transition inorganic salt is H₂₄Mo 7N₆ O24:4 H₂O; and wherein the Group VIIIB transition metal inorganic salt is Co(N 0 3)2 -_
The method according to claim 4, further including the step of activating the catalyst under a non-toxic gas atmosphere.
The method according to claim 4, wherein the catalyst is obtained based on molybdenum sulfide with oxides nano particles promoted and non-promoted with Ni or Co.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has an atomic relationship between 0.3 to 0.5.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has a molar ratio between 0 and 1:1.
Materials described outside the worked examples.
ammonium heptamolybdate tetrahydrate
H₂₄Mo₇N₆O24·4H₂O
ammonium hydroxide
NH₄OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,293,205Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a schematic representation of the catalyst synthesis method.
Figure 2A is an optical microscope micrograph that shows the thiosalts precursor crystals obtained by the traditional method and 2 B with the synthesis method of the present invention.
Figure 3 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 4 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 5 is a graphic of the specific surface area value of the catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 6 is a graphic of the specific surface area values of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 7 is a selectivity graphic of the reaction HDS of DBT reaction at 350 o C and 490 psi of the catalysts CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 8 is a catalytic activity graph in the HDS of DBT reaction at 350 ° C and 490 psi of the catalysts for catalytic CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
Figure 12 is a microscope transmission micrograph showing the stacking of strips characteristic of the MoS₂ structure. Detailed Description of the Invention [0033] The present invention relates to a catalyst synthesis method based on promoted transition metal sulfide, with added nanometric …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-3 canceled
canceled
canceled
A method for obtaining a promoted molybdenum sulfide catalyst and a promoted molybdenum sulfide added with a nanometric additive, the method comprising the steps of: mixing a salt of H 24Mo₇N₆O24: 4 H₂ O nanometric-agent with NH₄ O H, and water to form a mixture; sOnif eated sonificatinq the mixture in an ultrasonic bath; adding a group VIB metal transition inorganic salt and a group VIIIB transition metal inorganic salt; bubbling a flow of H₂S in the ultrasonic bath to form thiosalt crystals; aging the thiosalt crystals; and filtering and drying the thiosalt crystals, wherein a nanometric a g ent is further added in the mixin g ste p to obtain the p romoted molybdenum sulfide added with a nanometric additive.
The method according to claim 4, wherein the nanometric agent is selected from silicon, aluminum, titanium, zirconium, or magnesium; wherein the group VIB metal transition inorganic salt is H₂₄Mo 7N₆ O24:4 H₂O; and wherein the Group VIIIB transition metal inorganic salt is Co(N 0 3)2 -_
The method according to claim 4, further including the step of activating the catalyst under a non-toxic gas atmosphere.
The method according to claim 4, wherein the catalyst is obtained based on molybdenum sulfide with oxides nano particles promoted and non-promoted with Ni or Co.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has an atomic relationship between 0.3 to 0.5.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has a molar ratio between 0 and 1:1.
Materials described outside the worked examples.
ammonium heptamolybdate tetrahydrate
H₂₄Mo₇N₆O24·4H₂O
ammonium hydroxide
NH₄OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,293,205Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 illustrates a schematic representation of the catalyst synthesis method.
Figure 2A is an optical microscope micrograph that shows the thiosalts precursor crystals obtained by the traditional method and 2 B with the synthesis method of the present invention.
Figure 3 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 4 is a graphic of the X-rays diffraction patterns of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 5 is a graphic of the specific surface area value of the catalysts CoMoS₂- SiO 2 with a R co = 0.3 and different molar relationships Si/Mo.
Figure 6 is a graphic of the specific surface area values of catalysts CoMoS₂- SiO 2 with a R co = 0.5 and different molar relationships Si/Mo.
Figure 7 is a selectivity graphic of the reaction HDS of DBT reaction at 350 o C and 490 psi of the catalysts CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 8 is a catalytic activity graph in the HDS of DBT reaction at 350 ° C and 490 psi of the catalysts for catalytic CoMoS₂- SiO 2 with different R co and molar relationships Si/Mo.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
Figure 12 is a microscope transmission micrograph showing the stacking of strips characteristic of the MoS₂ structure. Detailed Description of the Invention [0033] The present invention relates to a catalyst synthesis method based on promoted transition metal sulfide, with added nanometric …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-3 canceled
canceled
canceled
A method for obtaining a promoted molybdenum sulfide catalyst and a promoted molybdenum sulfide added with a nanometric additive, the method comprising the steps of: mixing a salt of H 24Mo₇N₆O24: 4 H₂ O nanometric-agent with NH₄ O H, and water to form a mixture; sOnif eated sonificatinq the mixture in an ultrasonic bath; adding a group VIB metal transition inorganic salt and a group VIIIB transition metal inorganic salt; bubbling a flow of H₂S in the ultrasonic bath to form thiosalt crystals; aging the thiosalt crystals; and filtering and drying the thiosalt crystals, wherein a nanometric a g ent is further added in the mixin g ste p to obtain the p romoted molybdenum sulfide added with a nanometric additive.
The method according to claim 4, wherein the nanometric agent is selected from silicon, aluminum, titanium, zirconium, or magnesium; wherein the group VIB metal transition inorganic salt is H₂₄Mo 7N₆ O24:4 H₂O; and wherein the Group VIIIB transition metal inorganic salt is Co(N 0 3)2 -_
The method according to claim 4, further including the step of activating the catalyst under a non-toxic gas atmosphere.
The method according to claim 4, wherein the catalyst is obtained based on molybdenum sulfide with oxides nano particles promoted and non-promoted with Ni or Co.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has an atomic relationship between 0.3 to 0.5.
The method according to claim 4, wherein the group VIIIB transition metal with respect to the group VIB metal has a molar ratio between 0 and 1:1.
Materials described outside the worked examples.
ammonium heptamolybdate tetrahydrate
H₂₄Mo₇N₆O24·4H₂O
ammonium hydroxide
NH₄OH
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 9 is a scanning electron microscope micrograph that shows the morphology characteristic of the type I catalyst.
Related documents with shared materials, methods, properties, or citations.
hydrogen sulfide
H₂S
nanometric agent
silicon (nanometric agent)
aluminum (nanometric agent)
titanium (nanometric agent)
zirconium (nanometric agent)
magnesium (nanometric agent)
cobalt nitrate
Co(NO₃)2
molybdenum sulfide
MoS₂
nickel promoter
cobalt promoter
promoted molybdenum sulfide catalyst (MMoS₂)
promoted molybdenum sulfide with nanometric additive (MMoS₂-nanometric oxide)
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
hydrogen sulfide
H₂S
nanometric agent
silicon (nanometric agent)
aluminum (nanometric agent)
titanium (nanometric agent)
zirconium (nanometric agent)
magnesium (nanometric agent)
cobalt nitrate
Co(NO₃)2
molybdenum sulfide
MoS₂
nickel promoter
cobalt promoter
promoted molybdenum sulfide catalyst (MMoS₂)
promoted molybdenum sulfide with nanometric additive (MMoS₂-nanometric oxide)
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
hydrogen sulfide
H₂S
nanometric agent
silicon (nanometric agent)
aluminum (nanometric agent)
titanium (nanometric agent)
zirconium (nanometric agent)
magnesium (nanometric agent)
cobalt nitrate
Co(NO₃)2
molybdenum sulfide
MoS₂
nickel promoter
cobalt promoter
promoted molybdenum sulfide catalyst (MMoS₂)
promoted molybdenum sulfide with nanometric additive (MMoS₂-nanometric oxide)
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.
hydrogen sulfide
H₂S
nanometric agent
silicon (nanometric agent)
aluminum (nanometric agent)
titanium (nanometric agent)
zirconium (nanometric agent)
magnesium (nanometric agent)
cobalt nitrate
Co(NO₃)2
molybdenum sulfide
MoS₂
nickel promoter
cobalt promoter
promoted molybdenum sulfide catalyst (MMoS₂)
promoted molybdenum sulfide with nanometric additive (MMoS₂-nanometric oxide)
Figure 10 is a scanning electron microscope micrograph that shows the morphology characteristic of the type II catalyst with an intermediate molar ratio Si/Mo of 0.25.
Figure 11 is a scanning electron microscope (SEM) micrograph that shows the morphology characteristic of type II catalyst with a molar ratio Si/Mo of 1.