Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...
Reexamination Certificate
2008-07-15
2008-07-15
Bos, Steven (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Treating with a liquid or treating in a liquid phase,...
C502S027000
Reexamination Certificate
active
07399725
ABSTRACT:
Perchlorate is removed and effectively destroyed in devices and methods that employ a eluting solvent in which the anion of an acid solubilizes Ti (III), which may be electrochemically generated or added in situ. Using such solvents, destruction of perchlorate is unexpectedly and several orders of magnitude faster than using solvents without solubilizing acids. In most preferred aspects, the solubilizing acid is methane sulfonic acid and/or sulfamic acid, and Ti (III) is electrochemically generated. Perchlorate destruction will then result in formation of Ti (IV), which may be present in the eluent in a subsequent elution.
REFERENCES:
patent: 5266173 (1993-11-01), Bandlish et al.
patent: 6358396 (2002-03-01), Gu et al.
Clarke Robert Lewis
Dougherty Brian J.
Harrison Stephen
Applied Intellectual Capital
Bos Steven
Fish & Associates PC
Zimmer Anthony J
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