C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/12
C10G 1/02 (2006.01)
Patent
CA 1236418
ABSTRACT OF THE DISCLOSURE: A method for processing coal hydrogenation residues by vacuum distillation, which comprises distilling coal hydrogenation residue under reduced pressure in a one-shaft or multi-shaft worm apparatus resulting in the recovery of volatilized gases and vapors, withdrawing the unvolatilized residue from the apparatus, and passing the withdrawn residue to a cooling and granulating device.
465082
Fuhrmann Klaus
Graeser Ulrich
Wenning Peter
Winckler Lothar
Borden Ladner Gervais Llp
Veba Oel Entwickungs-Gesellschaft M.b.h.
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