Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Reexamination Certificate
2005-01-25
2005-01-25
Elve, M. Alexandra (Department: 1725)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
C422S177000
Reexamination Certificate
active
06846465
ABSTRACT:
A vibratory helidcoidal lifting device (12) suitable for regenerating metathesis catalysts for olefins, comprises a combustion zone (14) and a calcination zone (15), as well as a preheating zone, a zone for stripping hydrocarbons and a zone for cooling the catalyst, but no zone for introducing a gas containing a halogenated compound.
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Commereuc Dominique
Olivier Helene
Saussine Lucien
Elve M. Alexandra
Institut Francais du Pe'trole
Millen White Zelano & Branigan P.C.
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