Title:
継続的なアルカリ鉛酸蓄電池のリサイクリングのためのシステムおよび方法
Document Type and Number:
Japanese Patent JP6944453
Kind Code:
B2
Abstract:
Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead. Remaining insoluble lead dioxide is removed from the lead plumbite solution and reduced to produce lead oxide that can be fed back to the recovery system. Sulfate is recovered as sodium sulfate, while the so produced lead oxide can be added to lead paste for recovery.
Inventors:
Clark, Robert Lewis
Mohanta, Samares
Mohanta, Samares
Application Number:
JP2018528598A
Publication Date:
October 06, 2021
Filing Date:
December 02, 2016
Export Citation:
Assignee:
AQUA METALS INC.
International Classes:
C22B13/00; C22B3/12; C22B3/16; C22B3/42; C22B3/44; C22B7/00; C25B1/16; C25B1/22; C25C1/18; C25C5/02; H01M10/54
Foreign References:
| US5429661 | ||||
| CN104619645A | ||||
| US20150077227 | ||||
| US20100043600 | ||||
| US20080128293 | ||||
| US20140131220 | ||||
| US4927510 | ||||
| US2655472 | ||||
| US3772003 | ||||
| US5750019 | ||||
| US1752356 | ||||
| US5124008 | ||||
| CN101956214A |
Attorney, Agent or Firm:
Masutani Takeshi
Hiroyuki Nakao
Hiroyuki Nakao