Title:
METHOD OF RECOVERING PRECIOUS METAL FROM LONG-CHAIN HYDROCARBON, TAR OR OIL
Document Type and Number:
Japanese Patent JP2015074833
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method of recovering a precious metal from a long-chain hydrocarbon, tar or an oil which can suppress occurrence of bubbles on a large scale, requiring that an antifoamer should be active at about 1,200°C and that the antifoamer should not disturb wet chemical regeneration usually following thermal regeneration.SOLUTION: A method of recovering a precious metal from a long-chain hydrocarbon, an oil or tar includes a heat treatment process carried out in the presence of an antifoamer containing 0.1 mass% or more ash.
Inventors:
JOSE MANUEL ROMERO
LIU BINGAN
ZENG YANMEI
LIU BINGAN
ZENG YANMEI
Application Number:
JP2014208054A
Publication Date:
April 20, 2015
Filing Date:
October 09, 2014
Export Citation:
Assignee:
HERAEUS PRECIOUS METALS GMBH
International Classes:
C22B7/00; B01D19/02; B01D19/04; B01J23/46; B01J38/00; B01J38/02; C22B1/00; C22B11/02
Foreign References:
| US4434241A | 1984-02-28 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Takuya Kuno
Takuya Kuno
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