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Home › Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed

Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed

US Patent 5733440 · Granted Mar 31, 1998

Estimated economic value: $262,758,000 ⓘ

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