COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES

Award Information
Agency:
National Science Foundation
Branch
n/a
Amount:
$187,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Agency Tracking Number:
1596
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Dufresne-henry Inc.
Precision Park, North Springfield, VT, 05150
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Gordon R. Pyper
Managing Director
() -
Business Contact:
DR. GORDON R. PYPER
MANAGING DIRECTOR
() -
Research Institution:
n/a
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 SUITABLE GEOFILTER CLOTH MATERIALS FOR USE IN WATER FILTRATION WHICH WILL SUPPORT FILTER SAND AND SAND SURFACE BIOLOGIC GROWTH AND ALSO PROVIDE FOR QUICK CLEANING. 2. DETERMINE THE FEASIBILITY OF USING SHALLOW WATER DEPTHS ABOVE AND BELOW THE SAND WITHOUT REDUCING TREATMENT EFFECTIVENESS. 3. DETERMINE EFFECTIVENESS OF THE SYSTEM TO REMOVE TURBIDITY, BACTERIA AND GIARDIA CYSTS WITH SEVERAL COMBINATIONS OF SAND DEPTHS AND FILTRATION RATES. RESULTS ARE COMPARED WITH RECENT RESEARCH AND OTHER DATA FOR LARGE CONVENTIONAL SLOW SAND FILTERS. THE RESEARCH PROVIDES SIGNIFICANT DATA FOR SMALL SYSTEM AND HOME WATER TREATMENT IN THAT SUCH A FILTRATION APPROACH MEETS AN URGENT NEED FOR A SMALL, SIMPLE, INEXPENSIVE, NONLABOR INTENSIVE METHOD OF WATER TREATMENT TO REMOVE BACTERIA, TURBIDITY AND PARTICULARLY GIARDIA CYSTS.

* information listed above is at the time of submission.

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