High-chlorine-content oil hydrogenation dechloridation catalyst and preparation method thereof
A catalyst and oil technology, applied in the field of catalyst and its preparation, can solve the problems of high price and harsh preparation conditions, achieve high hydrodechlorination performance, simple preparation process, and increase the effect of specific surface
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Embodiment 1
[0020] Take 115g of pseudo-boehmite, 10g of Hβ (Si / Al is 50) powder, 30g of MgAl2O4 powder, add 4.65g of scallop powder, 7.7g of phosphoric acid, 2% nitric acid aqueous solution, mix evenly, extrude into strips, and put them in an oven at 120 ℃ drying for 6h, and calcining in a muffle furnace at 650℃ for 4h to obtain a composite oxide support, in which P 2 o 5 The content is 4%, molecular sieve, MgAl 2 o 4 、Al 2 o 3 The mass ratio of is 1:3:8, which is the carrier A.
Embodiment 2
[0022] Take 115g of pseudo-boehmite, 20g of HY (Si / Al is 30) powder, MgAl 2 o 4 20g powder, add 4.65g safflower powder, 5.8g phosphoric acid, 2% nitric acid aqueous solution, mix evenly, extrude into strips, dry in an oven at 120°C for 6h, and roast in a muffle furnace at 600°C for 5h to obtain a composite oxide carrier , where P 2 o 5 The content is 3%, molecular sieve, MgAl 2 o 4 、Al 2 o 3 The mass ratio of 1:1:4 is carrier B.
Embodiment 3
[0024] Take 115g of pseudo-boehmite, 25g of HZSM-5 (Si / Al is 5) powder, MgAl 2 o 4 25g powder, add 4.95g scallop powder, 5.77g diammonium hydrogen phosphate, 2% nitric acid aqueous solution, mix evenly, extrude into strips, dry in an oven at 120°C for 6h, and roast in a muffle furnace at 550°C for 6h to obtain a composite oxide carrier, where P 2 o 5 The content is 2%, molecular sieve, MgAl 2 o 4 、Al 2 o 3 The mass ratio of 2.5:2.5:8 is carrier C.
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