A special-shaped activated carbon, preparation method and forming mold
An activated carbon, a special technology, applied in chemical instruments and methods, inorganic chemistry, catalyst carriers, etc., can solve problems such as poor adsorption effect, and achieve the effect of improving gas conversion rate, improving use efficiency and saving production costs.
Active Publication Date: 2016-06-08
NINGXIA JINHAI CHUANGKE CHEM TECH
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Problems solved by technology
[0004] The technical problem to be solved in the present invention is to provide a special-shaped special activated carbon for the above deficiencies, which overcomes the disadvantage of poor adsorption effect of traditional activated carbon. The use efficiency and conversion rate have been greatly improved, reaching 99.2%
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Embodiment 1
[0052]Example 1, such as figure 1 As shown, a special-shaped activated carbon, the activated carbon is a columnar body 1 with a plum blossom-shaped cross section, the length is 3-7mm, the central position has a through hole 2 through the columnar body 1, the diameter of the through hole is 0.5-1.5mm, and the outer edge of the activated carbon The diameter of the inner edge is 3-5mm, and the diameter of the inner edge is 2.5-4mm. BET specific surface area is 1085-1310m 2 / g, specific pore volume 0.4-0.8cm 3 / g, mesopore volume 0.5-0.61cm 3 / g; the average pore size of the activated carbon is 25.7-31.5nm, the strength is greater than 95%, the bulk weight is 400-480g / L, and it has 5 plum petals.
[0053] Plum columnar hollow activated carbon should be understood as special-shaped activated carbon with high BET specific surface area, high total pore volume, high and medium pore volume and appropriate pore diameter.
[0054] Plum columnar hollow activated carbon has micropores ...
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Abstract
The present invention discloses an activated carbon, the activated carbon has a cylinder shape, plum shape in cross section, having a through-hole extending through the columnar body; outer edge is 3-5 mm in diameter, the diameter of the inner edge is 2.5-4mm, length of 3-7mm , through-hole diameter is 0.5-1.5mm, having 4-12 petals plum, plum cylindrical hollow adsorption ability of the activated carbon as a catalyst support, improves the efficiency of the catalyst, the conversion of the gas to give a substantial increase of 99.2% ; molding die can be increased and activated carbon adsorption area and to ensure that the production cost can be reduced hollow activated carbon can not easily be scratched surface; a plurality of feed bores of the hollow molded activated carbon to provide enough material; when activated due to friction and wear and damage to the pipe wall, only replace the cylindrical member, without the need to replace the entire mold, so the production cost can be saved; ensures that the inner and outer surface of the hollow molded activated carbon is not scratched.
Description
technical field [0001] The invention relates to a special-shaped activated carbon, in particular to a plum-blossom cylindrical hollow activated carbon, a preparation method and a forming mold, and belongs to the technical field of activated carbon. Background technique [0002] It is known that the existing activated carbon materials have a large number of pores, a high specific surface area, and a variety of active functional groups on the surface, which have good catalytic activity, not only that, but also have good chemical stability and high mechanical strength. , can be used repeatedly, these excellent characteristics make the existing activated carbon material a high-quality adsorbent that has attracted worldwide attention. Activated carbon has been used in decolorization, anti-virus and deodorization in food and medicine for a long time, and as time goes by, they are more and more widely used in industry, national defense and medicine as high-quality adsorbents and ca...
Claims
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IPC IPC(8): B01J32/00C01B31/10B01J35/02C01B32/336B01J35/00
Inventor 杨秀玲常炳恩李玉强李通
Owner NINGXIA JINHAI CHUANGKE CHEM TECH