High-selectivity catalyst for converting thiol compound as well as preparation method and application of high-selectivity catalyst
A mercaptan compound and high-selectivity technology, which is applied in the field of treatment of odorous organic sulfur pollutants, can solve the problems of catalyst poisoning, low yield, poor selectivity, etc., and achieve the effect of green process, high selectivity and stable performance
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Embodiment 1
[0030] 1. Weigh 0.095g copper nitrate trihydrate and add it to 300mL ultrapure water, sonicate at room temperature for 10min, add 5g commercial TiO under stirring condition 2 (Shanghai McLean Biochemical Technology Co., Ltd.), continue to stir for 4h, then add 5845mL of 0.02mol / L NaBH 4 The solution was stirred for 15 min, centrifuged, washed, and dried at 60 °C for 6 h to obtain CuO x / TiO 2 (x=0 or 1 / 2), CuO x The loading amount of Cu is 0.5wt%.
[0031] 2. Weigh 1g of CuO x / TiO 2 Dissolve in 50mL of water, then add 2.65g of sodium carbonate and 0.01g of polyethylene glycol and ultrasonically disperse to obtain CuO x / TiO 2 Sol;
[0032] 3. Cut the porous mesh film (textile, nickel foam, glass fiber paper or ceramic fiber paper) into a size of 100mm*50mm, wash and dry, wrap it on the outer surface of the cathode, use titanium sheet as the anode, and treat CuO x / TiO 2 The sol was subjected to electrophoresis for 15 minutes, an external regulated power supply of 10V ...
Embodiment 2
[0035] 1. Weigh 0.1425g copper nitrate trihydrate and add it to 300mL ultrapure water, sonicate at room temperature for 10min, add 5g commercial TiO under stirring condition 2 (Shanghai McLean Biochemical Technology Co., Ltd.), continue to stir for 4h, then add 5845mL of 0.02mol / L NaBH 4 The solution was stirred for 15 min, centrifuged, washed, and dried at 60 °C for 6 h to obtain CuO x / TiO 2 (x=0 or 1 / 2), CuO x The loading amount of Cu is 0.75wt%.
[0036] 2. Weigh 1g of CuO x / TiO 2 Dissolve in 50mL of water, then add 2.65g of sodium carbonate and 0.01g of polyethylene glycol and ultrasonically disperse to obtain CuO x / TiO 2 Sol;
[0037] 3. Cut the porous mesh film into a size of 100mm*50mm, wash and dry it, wrap it on the outer surface of the cathode, use the titanium sheet as the anode, and treat CuO x / TiO 2 The sol was subjected to electrophoresis for 15 minutes, an external regulated power supply of 5V was connected, and the CuO x / TiO 2 Loaded on a porous...
Embodiment 3
[0039] 1. Weigh 0.095g of copper nitrate trihydrate and 0.0619g of nickel nitrate hexahydrate solution into 300mL of ultrapure water, sonicate at room temperature for 10min, add 5g of commercial TiO under stirring conditions 2 (Shanghai McLean Biochemical Technology Co., Ltd.), continue to stir for 4h, then add 5.845mL of 0.02mol / L NaBH 4 The solution was stirred for 15 min, centrifuged, washed, and dried at 60 °C for 6 h to obtain CuNiO x / TiO 2 (x=0-3), the loading amount of Cu is 0.5wt%, and the loading amount of Ni is 0.25wt%.
[0040] 2. Weigh 1g of CuNiO x / TiO 2 Dissolve in 50mL of water, add 2.65g of sodium carbonate and 0.01g of polyethylene glycol and ultrasonically disperse to obtain CuNiO x / TiO 2 Sol;
[0041] 3. Cut the porous mesh film into a size of 100mm*50mm, wash it and dry it, wrap it on the outer surface of the cathode, use the titanium sheet as the anode, and treat CuNiO x / TiO 2 The sol was subjected to electrophoresis for 15 minutes, and the ext...
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