Gray & Osborne Inc.

Po Box 2069
Yakima, WA 98907

SBIR Award Summary

Total Number of Awards 2
Total Value of Awards $215K
First Award Date 01/01/92
Most Recent Award Date 01/01/94

Key Personnel

Last Name Name Awards Contact
Coleman Thomas E Coleman 2

2 Awards Won

Phase 1 SBIR

Agency: National Science Foundation
Topic: 1994
Budget: 01/01/94 - 12/31/94

BIOLOGICAL NUTRIENT REMOVAL IS NEEDED AT MANY MUNICIPAL WASTEWATER TREATMENT FACILITIES TO CONTROL ALGAE GROWTH IN RECEIVING WATERS. THIS IS OF SPECIAL CONCERN IN CERTAIN COASTAL AREAS, AS WELL AS THE GREAT LAKES. AN ALTERNATIVE TO CHEMICAL TREATMENT METHODS, WHICH PRODUCE A RESIDUE FOR DISPOSAL, IS A BIOLOGICAL PHOSPHORUS REMOVAL TREATMENT PR...

Phase 2 SBIR

Agency: Environmental Protection Agency
Topic: 1992
Budget: 01/01/92 - 12/31/92

IN SEPTEMBER OF 1990, A SUBMERSIBLE MIXER WAS INSTALLED IN THE OXIDATION DITCH AT THE GRAND COULEE, WASHINGTON, WASTEWATER TREATMENT FACILITIES. THIS MIXER MAKES IT POSSIBLE TO MAINTAIN MIXING WITH THE BRUSH ROTOR AERATORS OFF, THEREBY CREATING ANOXIC CONDITIONS IN THE DITCH. THE POTENTIAL ADVANTAGES OF THIS PROCESS MODIFICATION INCLUDE ENHANCED...