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Company Information:
Name:
Dufresne-henry Inc.
Address:
Precision Park
North Springfield, VT 05150
North Springfield, VT 05150
Located in HUBZone:
No
Woman-Owned:
No
Minority-Owned:
No
URL:
N/A
Phone:
N/A
Award Totals:
Award List:
COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES
Award Year / Program / Phase:
1984 / SBIR / Phase I
Agency:
NSF
Principal Investigator:
Dr. Gordon R. Pyper , Managing Director
Award Amount:
$40,000.00
COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES
Award Year / Program / Phase:
1986 / SBIR / Phase II
Agency:
NSF
Principal Investigator:
Dr. Gordon R. Pyper , Managing Director
Award Amount:
$187,000.00
Abstract:
Feasibility of shallow depth compact slow sand filter to treat drinking water for small and home water systems is investigated. shallow sand layers supported and covered with selected geofilter cloth examined to determine feasibility of such an approach. the project objectives are: 1. identify… More
FEASIBILITY OF USING AERATION PRETREATMENT BEFORE WATER IS APPLIED TO SLOW SAND FILTERS.
Award Year / Program / Phase:
1986 / SBIR / Phase I
Agency:
EPA
Principal Investigator:
Award Amount:
$49,969.00
Abstract:
Feasibility of using aeration pretreatment before water is applied to slow sand filters. a simple aeration-settling system is examined to determined if the system develops a settleable biologic floc, provides treatment and regulates dissolved oxygen (do). the system is examined to determine the… More