公开(公告)号：WO2022049214A1

公开(公告)日：2022-03-10

申请号：PCT/EP2021/074300

申请日：2021-09-02

Applicant: TCM-RESEARCH LTD.

Inventor： TEREKHOV, Dmitri S.

IPC: C23C16/01 ,  C23C16/04 ,  C23C16/06 ,  C23C16/44 ,  C23C16/48 ,  C23C16/458 ,  B33Y10/00 ,  B33Y30/00

Abstract: Disclosed are a system for additive chemical vapor deposition (CVD) and (CVD) methods for producing free-standing 3D metal deposits with controlled crystal size.

公开(公告)号：WO2018091361A1

公开(公告)日：2018-05-24

申请号：PCT/EP2017/078854

申请日：2017-11-10

Applicant: TCM RESEARCH LTD.

Inventor： TEREKHOV, Dmitri S. ,  VAN DER LINDE, Colwyn S.

IPC: C22B1/10 ,  C22B11/02 ,  C22B13/02 ,  C22B15/00 ,  C22B19/04

Abstract: A method for extracting and separating Gold, Silver, Copper, Zinc and/or Lead from an Arsenic-containing ore, concentrate or tailings characterized in that the extraction is carried by roasting in the presence of a calcium-containing materialand at least one ofan alkali metal halide and alkaline metal halide. In the method, Arsenic remains immobilized in the extraction residue.