| 简介 |
PROBLEM TO BE SOLVED : To provide an effective method of manufacturing a stable catalytic metal oxide coated microporous fine particulate material to be used for the treatment of various gaseous or fine particulate released material in various application examples.
SOLUTION : In the method of providing the catalytic metal oxide coated microporous easily movable bulk fine particle, the quantity of metal oxide to be applied is increased without threatening the effectiveness of a material. The rare earth metal oxide applied on the outside is controlled to 20-70 wt.% to the equivalent amount of the total rare earth metal oxide and the microporous fine particle material. A zeolite easily movable bulk fine particle having high load quantity of rare earth metal oxide is inclined to be very stable. For example when the rare earth metal oxide coated zeolite easy movable bulk fine particle is heat-treated at about 400°C.
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