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Zirconium oxide-based porous body and method for producing zirconium oxide-based porous body
Provided is a zirconia-based porous body containing an oxide of a rare earth element, the zirconia-based porous body having a pore volume (A) of 0.10 ml/g to 0.40 ml/g when the pore volume (A) is a pore volume having a pore distribution in the range of 30 nm to 200 nm after heating at 1150 DEG C for 12 hours under atmospheric pressure and the pore volume (B) is a pore volume having a pore distribution in the range of 30 nm to 200 nm before heating, and the pore volume (B) is a pore volume having a pore distribution in the range of 30 nm to 200 nm after heating at 1150 DEG C for 12 hours. The retention rate (X) of the pore volume in the range of a pore distribution of 30-200 nm (inclusive) represented by formula [[(pore volume A)/(pore volume B)] * 100] is 25-95% (inclusive).
一种氧化锆系多孔体，包含稀土元素的氧化物，在大气压下，将以1150℃加热12小时后的、细孔分布为30nm以上200nm以下范围内的细孔容积作为细孔容积A，将加热前的细孔分布为30nm以上200nm以下范围内的细孔容积作为细孔容积B时，细孔容积A为0.10ml/g以上0.40ml/g以下，以式[[(细孔容积A)/(细孔容积B)]×100]表示的细孔分布为30nm以上200nm以下范围内的细孔容积的保持率X为25％以上95％以下。
Zirconium oxide-based porous body and method for producing zirconium oxide-based porous body
Provided is a zirconia-based porous body containing an oxide of a rare earth element, the zirconia-based porous body having a pore volume (A) of 0.10 ml/g to 0.40 ml/g when the pore volume (A) is a pore volume having a pore distribution in the range of 30 nm to 200 nm after heating at 1150 DEG C for 12 hours under atmospheric pressure and the pore volume (B) is a pore volume having a pore distribution in the range of 30 nm to 200 nm before heating, and the pore volume (B) is a pore volume having a pore distribution in the range of 30 nm to 200 nm after heating at 1150 DEG C for 12 hours. The retention rate (X) of the pore volume in the range of a pore distribution of 30-200 nm (inclusive) represented by formula [[(pore volume A)/(pore volume B)] * 100] is 25-95% (inclusive).
一种氧化锆系多孔体，包含稀土元素的氧化物，在大气压下，将以1150℃加热12小时后的、细孔分布为30nm以上200nm以下范围内的细孔容积作为细孔容积A，将加热前的细孔分布为30nm以上200nm以下范围内的细孔容积作为细孔容积B时，细孔容积A为0.10ml/g以上0.40ml/g以下，以式[[(细孔容积A)/(细孔容积B)]×100]表示的细孔分布为30nm以上200nm以下范围内的细孔容积的保持率X为25％以上95％以下。
Zirconium oxide-based porous body and method for producing zirconium oxide-based porous body
氧化锆系多孔体及氧化锆系多孔体的制造方法
MATSUMOTO KAZUYA (Autor:in)
14.04.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
C04B
Kalk
,
LIME
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