Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1992-01-29
1993-10-05
Tufariello, T.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C25C 106
Patent
active
052501620
ABSTRACT:
A method of reducing Ti(IV) to Ti(III) in which the Ti(IV) in acid solution is fed to an electrochemical cell having a semi-hydrophobic gas diffusion anode to which hydrogen gas is supplied. A current is passed through the cell to effect the electrochemical reduction and the Ti(III) is recovered for use as a re-attack solution in titanium dioxide pigment production or for use in indirect organic reductions. Ti(III) salts may also be recovered for use, for example, in the reduction of organic compounds.
Allen Robert J.
Foller Peter C.
Vora Ravi
Dubno Herbert
Metallgesellschaft AG
Tufariello T.
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