KR102729622B1 - 구조화된 지르코늄 용액 - Google Patents

구조화된 지르코늄 용액 Download PDF

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KR102729622B1
KR102729622B1 KR1020187014081A KR20187014081A KR102729622B1 KR 102729622 B1 KR102729622 B1 KR 102729622B1 KR 1020187014081 A KR1020187014081 A KR 1020187014081A KR 20187014081 A KR20187014081 A KR 20187014081A KR 102729622 B1 KR102729622 B1 KR 102729622B1
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solution
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zirconium
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KR20180101328A (ko
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데이비드 알라스테어 스캐펜스
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마그네슘 일렉트론 리미티드
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
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    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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