Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1990-11-23
1992-08-04
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
554 74, 554176, C09F 510
Patent
active
051355736
ABSTRACT:
The invention provides a process for removing fatty acid metal soaps derived from metals with an atomic number from 27 to 29 from hydrogenated fatty products comprising separating solid metal precipitated under the influence of hydrogen at a pressure ranging between 0.05 and 10 MPa from the hydrogenated fatty products. Preferably the hydrogen pressure is between 0.2 and 5 MPa. Preferably the metal is nickel. It is recommended to effect the separation by filtration, using a filter comprising vertical pressure leaves. Also it is possible to treat the hydrogenated fatty product with hydrogen under a pressure between 0.05 and 10 MPa before separating the metal from the fatty product.
REFERENCES:
patent: 1390688 (1921-09-01), Ellis
patent: 2311633 (1943-02-01), Blaso
patent: 2650931 (1953-09-01), Dron et al.
patent: 4049520 (1977-09-01), Wagner
Deryck Adelheid M.
Lok Cornelis M.
Oudejans Johannes C.
VAN DEN Berg Hendrikus J.
van Dijk Pieter M.
Rosenberg Peter D.
Unilever Patent Holdings B.V.
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