Low density glassy materials for bioremediation supports

Details Low density glassy materials for bioremediation supports Low density glassy materials for bioremediation supports

1993-06-29

1995-03-14

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Biospecific material, or produced by enzyme or microorganism

502413, 502416, 210615, 435176, B01J 2020, B01J 3736

Patent

active

053977556

ABSTRACT:
A bioremediation support for the support of microorganisms used in the biotreatment of an aqueous waste stream or contaminated vapor is made of a low-density siliceous glassy material. This material has a cellular or frothy texture, large pores of greater than 1,000 Anstrom units in diameter dispersed throughout the material, a high macropore volume in pores of greater than 1,000 .ANG. of more than 0.3 cc/cc and a BET surface area of greater than 10 m.sup.2 /g. A preferred material is pumice.

REFERENCES:
patent: 3929630 (1975-10-01), Smith
Groffman, et al: "Removing Lead from Watewater Using Zeolites," in Water Environment & Technology, May 1992, p. 54.
Schwartz, et al: "The Use of Fluid Catalytic Cracking Catalyst in Activated Sludge Wastewater Treatment," in Journal WPCF, vol. 48, No. 2, pp. 274-280 (Feb. 1976).
Krause, M., New Glass, 1990, 5(2), 209-16).
Menke and Rehm (Applied Microbiology Biotechnology, 1992, 37:655-661).
Forster, H., et al in Fortschr. Mineral., Beih., 63(2), 1-24.

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