Chemistry of inorganic compounds – Extracting – leaching – or dissolving
Patent
1983-10-12
1986-04-08
Doll, John
Chemistry of inorganic compounds
Extracting, leaching, or dissolving
423 24, 423100, 423139, 75101BE, 75117, 544224, 544225, B01D 1100
Patent
active
045812209
ABSTRACT:
Metal values are extracted from aqueous solutions of metal salts containing halide or pseudo halide ions by pyrimidine, pyrazine or pyridazine derivitives bearing the substituent --(C.dbd.O.X).sub.n where X is the group --OR.sub.1 or --NR.sub.2 R.sub.3 and n is 1, 2 or 3. R.sub.1 is a hydrocarbyl group containing from 1 to 36 carbon atoms and R.sub.2 and R.sub.2 together contain from 1 to 36 carbon atoms. The molecule as a whole contains from 5 to 36 alkyl carbon atoms and may carry further optional substituents. The process is especially useful for the recovery of metals from leach solutions derived from sulphur-containing ores.
REFERENCES:
patent: 3086973 (1963-09-01), Nyholm
R. Urban and O. Schnider Helv. Chim. Acta, 41 1806 (1958) (See pp. 1808 & 1813 in Particular).
E. F. Godefroi, J. Org. Chem., 27 2264 (1962).
Nelson Anthony J.
Quan Peter M.
Stewart David
Doll John
Imperial Chemical Industries PLC
Stoll Robert L.
LandOfFree
Process for the extraction of metal values and novel metal extra does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the extraction of metal values and novel metal extra, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the extraction of metal values and novel metal extra will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2065174