Process for the integral recovery of the sulphur contained in sp

Details Process for the integral recovery of the sulphur contained in sp Process for the integral recovery of the sulphur contained in sp

1991-04-24

1992-04-21

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204104, 204114, 204115, 429 49, C25B 100, C25B 122

Patent

active

051064669

ABSTRACT:
A process is disclosed for recovering the components of spent lead acid batteries of the type comprising an active mass desulphurization stage in which sodium sulphate is formed, characterized in that the sodium sulphate solution thus formed is fed to an electrolysis stage in which a soda solution is produced at the cathode and a sulphuric acid solution is produced at the anode. The soda solution produced at the cathode is recycled to the active mass desulphurization stage, and the sulphuric acid solution produced at the anode is recovered for reuse as battery electrolyte in the production of new lead acid batteries.

REFERENCES:
patent: 4269810 (1981-05-01), Kolakowski
patent: 4460442 (1984-07-01), Ducati
patent: 4528173 (1985-07-01), Seamans
patent: 4655928 (1987-04-01), Milton et al.
patent: 4769116 (1988-09-01), Olper et al.
patent: 4927510 (1990-05-01), Olper et al.

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