Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Reexamination Certificate
2006-12-12
2006-12-12
Johnson, Edward M. (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
Reexamination Certificate
active
07148180
ABSTRACT:
Functionalized hydrophobic aerogel/solid support structure composites have been developed to remove metals and organic compounds from aqueous and vapor media. The targeted metals and organics are removed by passing the aqueous or vapor phase through the composite which can be in molded, granular, or powder form. The composites adsorb the metals and the organics leaving a purified aqueous or vapor stream. The species-specific adsorption occurs through specific functionalization of the aerogels tailored towards specific metals and/or organics. After adsorption, the composites can be disposed of or the targeted metals and/or organics can be reclaimed or removed and the composites recycled.
REFERENCES:
patent: 5547794 (1996-08-01), Demizu et al.
patent: 5817239 (1998-10-01), Tavlarides et al.
patent: 5948726 (1999-09-01), Moskovitz et al.
Coleman Sabre J.
Coronado Paul R.
Reynolds John G.
Johnson Edward M.
Lee Ann M.
The Regents of the University of California
Thompson Alan H.
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