Oxy-calcination process

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United States of America Patent

PATENT NO 10633282
APP PUB NO 20170267582A1
SERIAL NO

15532325

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Abstract

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Method and installation for calcining cement raw meal in a calciner whereby fuel and a calciner oxidant having an oxygen content of at least 30% vol are introduced into the calciner so as to generate either an oxidant-lean zone or a fuel-lean zone in the calciner located between the lowermost fuel inlet level and the lowermost oxidant inlet level of the calciner, between 50% and 100% by weight of the raw meal being supplied to the calciner upstream of and/or within the oxidant-lean, respectively the fuel-lean zone.

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Patent Owner(s)

Patent OwnerAddress
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE75 ORSAY PARIS FRANCE PARIS PARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Drivsholm, Morten Blokhus, DK 6 4
Gimenez, Michel Diemoz, FR 10 45
Panier, Faustine Jouy-en-Josas, FR 5 8
Paubel, Xavier Montigny le Bretonneux, FR 21 18
Paxton, Colin Kent, GB 3 6
Renna, Carlo Maule, FR 3 0
Tsiava, Remi Saint Germain-les-Corbeil, FR 33 228
Wassard, Henrik Bagsvaerd, DK 3 2

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