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A platform for research: civil engineering, architecture and urbanism
METHOD FOR PRODUCING POROUS ALUMINA PARTICLE MATERIAL
PROBLEM TO BE SOLVED: To provide a method for producing a porous alumina particle that achieves an increase of specific surface, which is expected as materials for catalyst carriers and the like, and a porous alumina particle.SOLUTION: A method for producing a porous alumina particle includes: a raw solution preparation step for adding a carboxylic acid as a dissipating agent (burning-off agent) and a dispersant in a spray pyrolysis process, to a first raw solution containing aluminum hydroxide as insoluble matter, to prepare a second raw solution as an aluminum-containing colloid; and an atomizing step for atomizing droplets of the second raw solution by heating.SELECTED DRAWING: Figure 1
【課題】触媒担体等の材料として期待される比表面積を増大した多孔質アルミナ粒子の製造方法及び多孔質アルミナ粒子の提供。【解決手段】多孔質アルミナ粒子の製造方法であって、不溶物として水酸化アルミニウムを含む第１の原料液に対して、噴霧熱分解法における消失剤（焼失剤）及び分散剤としてカルボン酸を加えて、アルミニウム含有コロイドである第２の原料液を調製する原料液調製工程と、前記第２の原料液の液滴を加熱して粒子化する粒子化工程と、を備える。【選択図】図１
METHOD FOR PRODUCING POROUS ALUMINA PARTICLE MATERIAL
PROBLEM TO BE SOLVED: To provide a method for producing a porous alumina particle that achieves an increase of specific surface, which is expected as materials for catalyst carriers and the like, and a porous alumina particle.SOLUTION: A method for producing a porous alumina particle includes: a raw solution preparation step for adding a carboxylic acid as a dissipating agent (burning-off agent) and a dispersant in a spray pyrolysis process, to a first raw solution containing aluminum hydroxide as insoluble matter, to prepare a second raw solution as an aluminum-containing colloid; and an atomizing step for atomizing droplets of the second raw solution by heating.SELECTED DRAWING: Figure 1
【課題】触媒担体等の材料として期待される比表面積を増大した多孔質アルミナ粒子の製造方法及び多孔質アルミナ粒子の提供。【解決手段】多孔質アルミナ粒子の製造方法であって、不溶物として水酸化アルミニウムを含む第１の原料液に対して、噴霧熱分解法における消失剤（焼失剤）及び分散剤としてカルボン酸を加えて、アルミニウム含有コロイドである第２の原料液を調製する原料液調製工程と、前記第２の原料液の液滴を加熱して粒子化する粒子化工程と、を備える。【選択図】図１
METHOD FOR PRODUCING POROUS ALUMINA PARTICLE MATERIAL
多孔質アルミナ粒子材料の製造方法
SUEHIRO SATOSHI (author) / OKAWA HAJIME (author) / KIMURA TEIICHI (author) / TAKAHASHI SEIJI (author)
2018-03-01
Patent
Electronic Resource
Japanese
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