Fischer-Tropsch synthesis catalyst, and preparation method and application thereof
A technology of Fischer-Tropsch synthesis and catalysts, which is applied in chemical instruments and methods, preparation of liquid hydrocarbon mixtures, physical/chemical process catalysts, etc., can solve the problems of selectivity reduction, achieve the improvement of reduction degree, improve stability, and improve the operation process simple effect
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Embodiment 1
[0018] Take 20.7gCo(NO 3 ) 2 ﹒ 6H 2 O and 2.3gNi(NO 3 ) 2 ﹒ 6H 2 Put O into a 500mL beaker so that the molar ratio of Co to Ni is 0.9 / 0.1, add 100mL of distilled water, then place the beaker in a water bath at 80°C, stir at 400rpm, and stir until completely dissolved. Take 30.87g La(NO 3 ) 3 ﹒ 6H 2 O and 0.8g KNO 3 Put it into a beaker with 100mL of distilled water and stir until it is completely dissolved so that the molar ratio of La to K is 0.9 / 0.1. Then add the lanthanum nitrate and potassium nitrate solutions dropwise to the cobalt nitrate and nickel nitrate solutions, and stir while adding. Take 40g of citric acid, the molar ratio of citric acid to the total amount of metal ions is 1.2:1, put it into a 100mL beaker and stir until it is completely dissolved. At this time, after the above mixed solution is stirred for 30 minutes, slowly add the citric acid solution, while Add dropwise while stirring. After stirring for 5 hours, the brown solution had been deh...
Embodiment 2
[0020] Take 21.85gCo(NO 3 ) 2 ﹒ 6H 2 O and 1.15gNi(NO 3 ) 2 ﹒ 6H 2 Put O into a 500mL beaker so that the molar ratio of Co to Ni is 0.95 / 0.05, add 100mL of distilled water, then place the beaker in a water bath at 80°C, stir at 400rpm, and stir until completely dissolved. Take 29.15g La(NO 3 ) 3 ﹒ 6H 2 O and 1.2g KNO 3 Put it into a beaker with 100mL of distilled water, stir until it is completely dissolved, so that the molar ratio of La to K is 0.85 / 0.15. Then add the lanthanum nitrate and potassium nitrate solutions dropwise to the cobalt nitrate solution, and stir while adding. Take 60g of citric acid, the molar ratio of citric acid to metal ions is 1.8:1, put it into a 100mL beaker and stir until it is completely dissolved. At this time, after the above mixed solution is stirred for 30 minutes, slowly add the citric acid solution, while Add dropwise while stirring. After stirring for 5 hours, the brown solution had been dehydrated and turned into a viscous ge...
Embodiment 3
[0022] Take 16.1gCo(NO 3 ) 2 ﹒ 6H 2 O and 6.9gNi(NO 3 ) 2 ﹒ 6H 2Put O into a 500mL beaker so that the molar ratio of Co to Ni is 0.7 / 0.3, add 100mL of distilled water, then place the beaker in a water bath at 80°C, stir at 400rpm, and stir until completely dissolved. Take 27.44g La(NO 3 ) 3 ﹒ 6H 2 O and 1.6g KNO 3 Put it into a beaker with 100mL of distilled water and stir until it is completely dissolved so that the molar ratio of La to K is 0.8 / 0.2. Then add the lanthanum nitrate and potassium nitrate solutions dropwise to the cobalt nitrate solution, and stir while adding. Take 80g of citric acid, the molar ratio of citric acid to the total amount of metal ions is 2.4:1, put it into a 100mL beaker and stir until it is completely dissolved. At this time, after the above mixed solution is stirred for 30 minutes, slowly add the citric acid solution, while Add dropwise while stirring. After stirring for 5 hours, the brown solution had been dehydrated and turned in...
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