Use of citric acid partial esters for the extraction of iron

Details Use of citric acid partial esters for the extraction of iron Use of citric acid partial esters for the extraction of iron

1988-02-08

1989-04-11

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210634, B01D 1100

Patent

active

048204170

ABSTRACT:
Citric acid partial esters corresponding to the following general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or a straight-chain or branched C.sub.4 -C.sub.20 alkyl radical or a metal atom, with the proviso that at least one but at most two of the substituents R.sup.1, R.sup.2 and R.sup.3 represent such an alkyl radical, or mixtures of the citric acid partial esters corresponding to general formula (I), are used for the extraction of iron from aqueous solutions.

REFERENCES:
patent: 4670230 (1987-06-01), Watanabe et al.
Ullmanns Encyklopadie der technischen Chemie, 1983, pp. 601-626.
Chemische Technologie, Mettallurgie, 1973, pp. 306-331.
Erzimetall 35, 1982, pp. 534-539.
"Topics in Non-Ferrous Extractive Metallurgy", Monhemius, pp. 105-130.
Handbook of Solvent Extraction, Thorsen, pp. 709-716.
Hydrometallurgy, 1976/77, pp. 275-284.

Affiliated with

Also associated with

Rating

Use of citric acid partial esters for the extraction of iron does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Use of citric acid partial esters for the extraction of iron, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Use of citric acid partial esters for the extraction of iron will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-665249