Method for manufacturing ceramic filter
AssigneeKorea Institute of Industrial Technology
InventorsMyong Hwa Lee, Hyun Jin Choi, Jeong Uk Kim
Life of this patent
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Abstract
A method of manufacturing a ceramic filter for hot gas filtration, and, more particularly, to a method of manufacturing a ceramic filter for hot gas filtration through a drying process. The ceramic filter manufactured by the method is advantageous in that the pore size thereof can be easily adjusted, and the filtering area thereof can be maximized, thus improving the performance thereof. Consequently, the method of manufacturing a ceramic filter can be usefully used in the filter-related industry because a high-performance ceramic filter can be manufactured at a low cost and at low energy.
Claims15
A method of manufacturing a porous ceramic filter, comprising:
- filtering a carrier gas including a ceramic-forming composition in the form of a powder on a surface of a polymer filter body having pores of a first size, the ceramic-forming composition containing ceramic precursor particles of a second size and inorganic and/or organic binder, to form a ceramic-forming composition layer on the surface of the polymer filter body (step 1);
- and
- sintering the resultant in step 1, to form a ceramic filter having a pore size of a third size formed by sintering the ceramic precursor particles of the second size, while burning out the polymer filter body (step 2)
- wherein the second size is bigger than the first size.
Dependencies are inferred from the claim text.