| abstract |
Disclosed is an adsorbent that has a honeycomb structure and is practical and granular, has little pressure loss, and has a large contact area with a gas or liquid per unit volume. SOLUTION: A porous adsorbent, a phenolic resin and a clay mineral are kneaded by adding water and a water-soluble organic solvent together with a water-soluble cellulose ether derivative, and the obtained kneaded material is 1.8 mm or more in diameter by an extruder. Extruded as a tubular product having a plurality of through-holes at 11 mm or less, preliminarily dried so that the loss on drying before cutting becomes 10 to 35% by mass, and then cut with a cutter, whereby the diameter is 1.8 mm or more 11 mm or less, length / diameter ratio of ΒΌ to 3/1, having a plurality of through holes from one end of the cross section to the other end, and an external per 2 liter unit volume as compared to the same shaped rod-shaped pellet A heat-dried honeycomb adsorbent having a surface area of 1.5 to 4.0 times was obtained. [Selection figure] None |