Light acrylic acid catalyst carrier and preparation method thereof
A technology of catalyst carrier and acrylic acid, which is applied in the direction of catalyst carrier, catalyst activation/preparation, chemical instruments and methods, etc., can solve the problem of high price, and achieve the effect of large water absorption rate, large pore volume and high water absorption rate
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Embodiment 1
[0029] The light-weight acrylic acid catalyst carrier is composed of the following raw materials: 15wt% bauxite with a particle size of 100-150 mesh, 4wt% Hunan Pukou sand with a particle size of 50-100 mesh, 4wt% mountain mud, 30wt% and a particle size of It is prepared by mixing, molding and sintering 150-200 mesh pseudo-boehmite, 14wt% Jiangxi Dongqiao sand with a particle size of 150-200 mesh, 20wt% kaolin, and 13wt% wood flour as follows:
[0030] a. First mix the bauxite, Hunan Pukou sand, half mountain clay and half of kaolin (that is, 10wt% kaolin in the raw material) through ball milling to obtain a uniform base material.
[0031] b. Then add the above base material into the ball-bobbing machine and roll it mechanically to make a 4-4.5mm ball green body;
[0032] c. Mix the pseudo-boehmite powder, Jiangxi Dongqiao sand, wood powder and half of the kaolin (that is, 10wt% kaolin in the raw material) through ball milling to obtain a uniform fabric.
[0033] d. Then add ...
Embodiment 2
[0038]The light-weight acrylic acid catalyst carrier is composed of the following raw materials: 10wt% bauxite with a particle size of 100-150 mesh, 3wt% Hunan Pukou sand with a particle size of 50-100 mesh, 3wt% mountain mud, 34wt% and a particle size of It is prepared by mixing, molding and sintering the following methods:
[0039] a. First mix the bauxite, Hunan Pukou sand, half mountain mud and half of kaolin (that is, 12.5wt% kaolin in the raw material) through ball milling to obtain a uniform base material.
[0040] b. Then add the above base material into the ball-bobbing machine and roll it mechanically to make a 4-4.5mm ball green body;
[0041] c. Then mix the pseudo-boehmite powder, Jiangxi Dongqiao sand, wood powder and half of the kaolin (that is, 12.5wt% kaolin in the raw material) through ball milling to obtain a uniform fabric.
[0042] d. Then add the material to the enamel machine and continue to enamel the ball body into 8-12mm balls.
[0043] e. Add silic...
Embodiment 3
[0047] The light-weight acrylic acid catalyst carrier is composed of the following raw materials: 18wt% bauxite with a particle size of 100-150 mesh, 3wt% Hunan Pukou sand with a particle size of 50-100 mesh, 3wt% mountain mud, 36wt% and a particle size of It is prepared by mixing, molding and sintering 150-200 mesh pseudo-boehmite, 16wt% Jiangxi Dongqiao sand with a particle size of 150-200 mesh, 10wt% kaolin, and 15wt% wood flour as follows:
[0048] a. First mix the bauxite, Hunan Pukou sand, half mountain clay and half of kaolin (that is, 5wt% kaolin in the raw material) through ball milling to obtain a uniform base material.
[0049] b. Then add the above base material into the ball-bobbing machine and roll it mechanically to make a 4-4.5mm ball green body;
[0050] c. Mix the pseudo-boehmite powder, Jiangxi Dongqiao sand, wood powder and half of the kaolin (that is, 5wt% kaolin in the raw material) through ball milling to obtain a uniform fabric.
[0051] d. Then add th...
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