Dufresne-henry Inc.

Basic Information

Precision Park
North Springfield, VT, 05150

Company Profile

n/a

Additional Details

Field Value
DUNS: n/a
Hubzone Owned: N
Socially and Economically Disadvantaged: N
Woman Owned: N
Number of Employees: n/a


  1. COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES

    Amount: $187,000.00

    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 ...

    SBIR Phase II 1986 National Science Foundation
  2. FEASIBILITY OF USING AERATION PRETREATMENT BEFORE WATER IS APPLIED TO SLOW SAND FILTERS.

    Amount: $49,969.00

    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, ...

    SBIR Phase I 1986 Environmental Protection Agency
  3. COMPACT BIOLOGIC FILTER SYSTEM FOR INDIVIDUAL AND SMALL WATER SUPPLIES

    Amount: $40,000.00

    N/A

    SBIR Phase I 1984 National Science Foundation

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