Graphene oxide promoted copper-based methanol synthesis catalyst and preparation method thereof
A technology for methanol synthesis and catalyst is applied in the field of copper-based methanol synthesis catalyst and its preparation, and can solve problems such as difficult activation
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Embodiment 1
[0016] 0.122 grams of graphene oxide were ultrasonically dispersed in 80 mL of deionized water to obtain a graphene oxide solution; 2.174 grams of Cu(NO 3 ) 2 ·3H 2 O, 1.338 g Zn(NO 3 ) 2 ·6H 2 O and 0.562 g Al(NO 3 ) 3 9H 2 O (purity are all AR grade) mixed together, add 50mL deionized water to make metal salt solution, AR grade anhydrous Na 2 CO 3 Add to deionized water to make 1M Na 2 CO 3 solution; the metal salt solution is added dropwise in the graphene oxide solution to obtain a mixed solution of the metal salt and graphene oxide; the metal salt solution and the graphene oxide mixed solution are placed in an oil bath and kept at a constant temperature of 343K. Na 2 CO 3 Add the solution dropwise into the mixed solution until the pH of the mixed solution reaches 7-8. After stirring continuously for 5 hours, stop heating and continue stirring for 12 hours. Pour the feed liquid into a vacuum filtration device for suction filtration, and wash it with deionized w...
Embodiment 2
[0019] 0.052 grams of graphene oxide was ultrasonically dispersed in 80 mL of deionized water to prepare a graphene oxide solution; 2.179 grams of Cu(NO 3 ) 2 ·3H 2 O, 1.342 g Zn(NO 3 ) 2 ·6H 2 O and 0.562 g Al(NO 3 ) 3 9H 2 O (purity are all AR grade) mixed together, add 50mL deionized water to make metal salt solution, AR grade anhydrous Na 2 CO 3 Add to deionized water to make 1M Na 2 CO 3 solution; the metal salt solution is added dropwise in the graphene oxide solution to obtain a mixed solution of the metal salt and graphene oxide; the metal salt solution and the graphene oxide mixed solution are placed in an oil bath and kept at a constant temperature of 343K. Na 2 CO 3 Add the solution dropwise into the mixed solution until the pH of the mixed solution reaches 7-8. After stirring continuously for 5 hours, stop heating and continue stirring for 12 hours. Pour the feed liquid into a vacuum filtration device for suction filtration, and wash it with deionized w...
Embodiment 3
[0021] 0.195 grams of graphene oxide were ultrasonically dispersed in 80 mL of deionized water to obtain a graphene oxide solution; 2.182 grams of Cu(NO 3 ) 2 ·3H 2 O, 1.342 g Zn(NO 3 ) 2 ·6H 2 O and 0.568 g Al(NO 3 ) 3 9H 2 O (purity are all AR grade) mixed together, add 50mL deionized water to make metal salt solution, 2.4g AR grade anhydrous Na 2 CO 3 Add to 40mL deionized water to make 1M Na 2 CO 3 solution; the metal salt solution is added dropwise in the graphene oxide solution to obtain a mixed solution of the metal salt and graphene oxide; the metal salt solution and the graphene oxide mixed solution are placed in an oil bath and kept at a constant temperature of 343K. Na 2 CO 3 Add the solution dropwise into the mixed solution until the pH of the mixed solution reaches 7-8. After stirring continuously for 5 hours, stop heating and continue stirring for 12 hours. Pour the feed liquid into a vacuum filtration device for suction filtration, and wash it with d...
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