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Environmental Technology Initiative (ETI)
The National Small Flows Clearinghouse (NSFC)As part of the Environmental Technology Initiative (ETI), the NSFC collected
information about approximately 600 innovative wastewater technology projects
that were funded through the EPA's former Construction Grants Program. The
ETI project also included gathering and assessing information about onsite
technologies.
All fact sheets provide illustrations, case studies, and information about
the advantages and disadvantages, operation and maintenance requirements,
and cost.
The ETI fact sheets can be ordered as one package, or as separate fact sheets.
For a package of all of the general fact sheets, request Item #WWPKGN112,
or for a package of the technical fact sheets, request Item #WWPKOM34 when
you call (800) 624-8301 or e-mail
us.
Download Our ETI Fact Sheets, Free
You will need to download Adobe Acrobat Reader
to view the files of this publication listed below. The reader is a free
software that lets you view and print Adobe Portable Document Format (PDF)
files.
- Click to download the pdf or use the product number to call in your order.
- Ultraviolet Disinfection: typical UV disinfection unit
is illustrated, also describes how the ultraviolet (UV) disinfection of
wastewater process works, system components, design information, and performance
characteristics
- Technical Overview (Order #WWFSOM20)
- General Overview (Order #WWFSGN98) - Chlorine Disinfection: illustration of a compound-loop
control system for chlorination with chlorine and dechlorination with
sulfur dioxide included with some case studies
- Technical Overview (Order #WWFSOM21)
- General Overview (Order #WWFSGN99) - Ozone Disinfection: includes diagram of the ozone disinfection
process and case studies
- Technical Overview (Order #WWFSOM22)
- General Overview (Order #WWFSGN100) - - Fine Bubble Aeration: describes the main types of fine
bubble diffusers, design information and illustrations of a membrane disc
diffuser, dome diffuser, and tube diffuser
- Technical Overview (Order #WWFSOM23)
- General Overview (Order #WWFSGN101) - Trickling Filters, Achieving Nitrification: includes
schematic of a trickling filter, information on design, and performance
characteristics
- Technical Overview (Order #WWFSOM24)
- General Overview (Order #WWFSGN102) - Recirculating Sand Filters: typical RSF system is illustrated
- Technical Overview (Order #WWFSOM25)
- General Overview (Order #WWFSGN103) - Intermittent Sand Filters: some common types are described;
gravity discharge, pumped discharge, and bottomless ISFs and a typical
cross section of an ISF is illustrated
- Technical Overview (Order #WWFSOM26)
- General Overview (Order #WWFSGN104) - Mound Systems: schematic of a Wisconsin mound system
is included
- Technical Overview (Order #WWFSOM27)
- General Overview (Order #WWFSGN105) - Composting Toilet Systems: illustration of a composting
toilet is included, in addition to a table of typical pathogen survival
times at 20 to 30 degrees Celsius in various environments
- Technical Overview (Order #WWFSOM28)
- General Overview (Order #WWFSGN106) - Low-Pressure Pipe Systems: provides information on
performance factors such as soil requirements, space requirements, drainage,
and topography - also includes an illustration of an LPP system
- Technical Overview (Order #WWFSOM29)
- General Overview (Order #WWFSGN107) - Septage Management: methods of stabilizing septage
and other examples outlined
- Technical Overview (Order #WWFSOM31)
- General Overview (Order #WWFSGN109) - Evapotranspiration Systems: the three main types of
ET systems (evapotranspiration, evapotranspiration/absorption, and mechanical)
are described
- Technical Overview (Order #WWFSOM32)
- General Overview (Order #WWFSGN110) - Water Efficiency: utility-based water efficiency measures
are detailed, in addition to water-saving devices and a water-saving table
- Technical Overview (Order #WWFSOM33)
- General Overview (Order #WWFSGN111)