| 摘要 |
A process for manufacturing a porous Si3N4 ceramic filter, wherein silicon powder, the raw material, methyl cellulose, the binding agent, and water, the solvent, are well-mixed together to obtain a slurry. A sponge is then dipped into the slurry to adsorb the slurry. After drying the sponge in an oven, it is biscuit fired at 350 DEG C. for 2 hours, and then sintered at 1200-1400 DEG C. for 15 hours.
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