Global ETD Search
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Showing 1 to 9 of 9 for “"graywater"”.
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Regulatory issues associated with graywater reuse
… increasingly gaining popularity is the reuse of graywater for nonpotable applications. Graywater reuse has been known to be prevalent in the U.S. for at least 10 years. A study conducted by the Water Conservation Alliance of Southern Arizona showed that 13% of homes were reusing graywater in the …
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Graywater research findings at the residential level
… on municipal water are becoming more prevalent. Graywater reuse is one water conservation practice which has the potential of reducing household water demands by 30% indoors and outdoors, depending upon irrigation demands. In areas where water scarcity is an ongoing challenge, implementation of …
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Investigating the efficacy of graywater use at the household level
The use of graywater at the household level is gaining increasing popularity in both the United States and elsewhere. The treatment methods in the market are either too simple or too complicated for a household resident to use. Also, the effects of using graywater in landscape irrigation and the …
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Domestic graywater heat recovery from the UIUC 2009 solar decathlon house
This study investigates the potential for waste water heat recovery in a residential application. A heat exchanger is utilized to transfer heat from the waste water drain line of a residence to the incoming water supply line. An experiment is conducted on the University of Illinois 2009 Solar …
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An Exploratory Analysis of Three Water Conservation Alternatives for San Marcos, TX
… Water System (SAWS), rainwater harvesting, and graywater reuse. Water savings data were collected; installation and maintenance costs were calculated, and a comparison of the most cost-effective method through price per acre-foot over a 10 year averaged period. All three methods provided …
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EXAMINING THE USER EXPERIENCE IN CLIMATE-ADAPTIVE POLICIES: TUCSON ARIZONA'S RESIDENTIAL GRAY WATER RECYCLING
… research explores Tucson Arizona’s Residential Graywater Ordinance (RGWO) (a building ordinance intended to reduce potable water use) as a case study example of a climate-adaptive policy. The effectiveness of the RGWO was evaluated through nine in-depth stakeholder interviews and the surveying …
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Study to analyze the viability of rainwater catchment from roofs for its reuse in Tegucigalpa, Honduras
… water supply network. Other alternatives include graywater reuse, well drilling and communal water storage tanks. For this study, household scale rainwater catchment systems were analyzed, where water can be channeled through pipes installed on each roof. The pipes transport water either to an …
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Struvite Recovery From Source-Separated Urine Utilizing Fluidized Bed Technology
… to treat the combination of urine, feces and graywater produced in household applications. Urine accounts for 1% of wastewater by volume, but provides 70-90% of nitrogen, 35-70% of phosphorus and 50% of the contaminants of emerging concern entering municipal wastewater treatment (Larsen and …