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Waterless Urinals: Features, Benefits and Applications
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Date
2004
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Energy Systems Laboratory (http://esl.tamu.edu)
Texas A&M University (http://www.tamu.edu)
Texas A&M University (http://www.tamu.edu)
Abstract
Billions of gallons of water are used annually to
flush toilets in the United States. Consequences of
this usage include consumption of natural resources
and construction of new infrastructure to treat and
transmit potable water and wastewater. Waterless, or
no-flush urinals, may help mitigate these effects and
offer other advantages, including lower utility
charges, improved restroom hygiene, and decreased
fixture maintenance. Some notable caveats include
possible lack of acceptance by users, odor control
problems, and rejection by code officials.
As urine is about 96% liquid, no additional water
is really needed to wash it down the drain. The
waterless, urinal, looking much like its conventional
counterpart, takes advantage of this concept with
generally positive results.
This paper will discuss the design, applications,
operation, maintenance, advantages, and
disadvantages of waterless urinals. The results of two
surveys of current users will be shared. A case study
from a Texas school district will be also presented.