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公开(公告)号：US20240001319A1
公开(公告)日：2024-01-04
申请号：US18469241
申请日：2023-09-18
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seung Min YANG , Kyung Hoon KIM , Gun Hee KIM , Young Kyu JEONG , O Hyung KWON , Chan Bin MO , Yong Su JO , Hye Min PARK , Gwang Hwa JIN
CPC classification number: B01J12/02 , B22F9/16 , B01J19/24 , B01J12/005
Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.
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公开(公告)号：US20230144295A1
公开(公告)日：2023-05-11
申请号：US17544515
申请日：2021-12-07
Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
Inventor： Seung Min YANG , Kyung Hoon KIM , Gun Hee KIM , Young Kyu JEONG , O Hyung KWON , Chan Bin MO , Yong Su JO , Hye Min PARK , Gwang Hwa JIN
CPC classification number: B01J12/02 , B01J12/005 , B01J19/24 , B22F9/16
Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.
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