Ruthenium complex catalyzer for acetylene hydrochlorinate and preparation method and application thereof
A technology of acetylene hydrochlorination and ruthenium complexes, applied in the directions of organic compound/hydride/coordination complex catalyst, catalyst activation/preparation, physical/chemical process catalyst, etc., can solve unfavorable acetylene hydrochlorination activity, dispersion It can improve the catalytic activity and stability, good dispersibility, high activity and stability
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Embodiment 1
[0021] Preparation of a highly efficient ruthenium complex catalyst for acetylene hydrochlorination:
[0022] Step 1, preparation of modified activated carbon: take 3g activated carbon (AC), join in the concentrated hydrochloric acid of 12mol / L of 100ml, after stirring at room temperature for 24h, suction filter and wash pH to 5 with deionized water, then process The good activated carbon was dried at 100°C for 24 hours to obtain a modified activated carbon carrier.
[0023] Step 2, preparation of high-efficiency Ru complex catalyst: place the modified activated carbon obtained in step 1 in a sealed suction filter bottle and vacuumize it for 1h, then weigh 0.4651g of RuCl 3 and 1.0641g of organic ligand pyridine (the molar ratio of pyridine to Ru is 6:1), completely dissolve it with 100ml of water, add it to the vacuum-treated activated carbon, stop vacuuming, stir at room temperature for 4h to obtain solid-liquid The mixture is dried at 100° C. for 24 hours to obtain a highl...
Embodiment 2
[0026] Preparation of a highly efficient ruthenium complex catalyst for acetylene hydrochlorination:
[0027] Step 1. Preparation of modified activated carbon: Weigh 3g of activated carbon (AC), add it to 100ml of 5mol / L nitric acid, stir at 80°C for 4h, filter it with suction and wash the pH to 7 with deionized water, then process The good activated carbon was dried at 160°C for 4 hours to obtain a modified activated carbon carrier.
[0028] Step 2, preparation of high-efficiency Ru complex catalyst: place the modified activated carbon obtained in step 1 in a sealed suction filter bottle and vacuumize for 4h, then weigh 0.0685g of RuCl 3 And 0.25986g of organic ligand triphenylphosphine (the molar ratio of triphenylphosphine to Ru is 3:1), it is completely dissolved with 300ml ethanol, joins in the activated carbon of vacuum treatment, and stops vacuuming, at room temperature Stirring at low temperature for 48 hours to obtain a solid-liquid mixture, and drying the obtained m...
Embodiment 3
[0031] Preparation of a highly efficient ruthenium complex catalyst for acetylene hydrochlorination:
[0032] Step 1, prepare modified activated carbon: take 3g activated carbon (AC), add respectively in the nitric acid of 5mol / L of 100ml, after stirring at room temperature for 24h, suction filter and wash pH to 7 with deionized water, then process The good activated carbon was dried at 140°C for 24 hours to obtain a modified activated carbon carrier.
[0033] Step 2, preparation of high-efficiency Ru complex catalyst: place the modified activated carbon obtained in step 1 in a sealed suction filter bottle and vacuumize it for 2 hours, then weigh 0.06604g of RuCl 3and 0.14918g of organic ligand 2,2'-bipyridine (the molar ratio of 2,2'-bipyridine to Ru is 3:1), dissolve it completely with 300ml of n-propanol, and add it to the vacuum-treated activated carbon , and stop vacuuming, stirred at room temperature for 12 hours to obtain a solid-liquid mixture, and dried the obtained ...
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