A kind of solid Fenton catalyst and its preparation method and application
A catalyst and solid technology, applied in the field of solid Fenton catalyst and its preparation, can solve the problems of poor catalytic activity, low utilization rate of hydrogen peroxide, harsh reaction conditions, etc., and achieve low cost, easy recovery and recycling, and simple operation. Effect
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Embodiment 1
[0040] Embodiment 1, preparation and application experiment of solid Fenton catalyst
[0041] 1. Preparation
[0042] The copper-cobalt co-doped mesoporous alumina solid Fenton catalyst (g-C 3 N 4 / CuCo-γ-Al 2 o 3 ):
[0043] (1) Dissolve 7.2g of glucose into 100mL of deionized water, then add 8.4g of powdered aluminum isopropoxide, and mix and stir for 2 hours (rotating at 450 rpm) to form solution A;
[0044] (2) 0.5g copper chloride dihydrate (CuCl 2 2H 2 O) and 0.3g cobalt chloride hexahydrate (CoCl 2 ·6H 2 O) Dissolve in 10mL deionized water, and add the solution dropwise to solution A, fully stir (stirring time is 30 minutes, rotating speed is 450 rpm), to form solution B;
[0045] (3) The pH of solution B is gradually adjusted to 5 with aqueous hydrochloric acid (the mass percentage of hydrochloric acid is 1%), and the resulting solution is stirred in a water bath at 50° C. for 5 hours (rotating speed is 450 to 700 rpm) , to form solution C; solution C was lef...
Embodiment 2
[0075] Embodiment 2, prepare different g-C 3 N 4 σ-surface copper-graphitized nitrogen carbide complex-modified copper-cobalt co-doped mesoporous alumina solid Fenton catalysts.
[0076] Follow the steps below to prepare different g-C 3 N 4 g-C 3 N 4 / CuCo-γ-Al 2 o 3 :
[0077] (1) Dissolve 7.2g of glucose into 100mL of deionized water, then add 8.4g of powdered aluminum isopropoxide, and mix and stir for 2 hours (rotating at 450 rpm) to form solution A;
[0078] (2) 0.5g copper chloride dihydrate (CuCl 2 2H 2 O) and 0.3g cobalt chloride hexahydrate (CoCl 2 ·6H 2 O) Dissolve in 10mL deionized water, and add the solution dropwise to solution A, fully stir (stirring time is 30 minutes, rotating speed is 450 rpm), to form solution B;
[0079] (3) The pH of solution B is gradually adjusted to 5 with aqueous hydrochloric acid (the mass percentage of hydrochloric acid is 1%), and the resulting solution is stirred in a water bath at 50° C. for 5 hours, and left to stand a...
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