Social Investigation of Greywater Reuse in Baghdad
Abstract
Both the 1991 Gulf War and the 2003 Iraq War have affected and used the water resources. Most of the water in Baghdad comes from Tigris river. Baghdadis need abundant water supplies to live and survive in the desert environment. The wars and economic sanctions have left the people in a state of drought, with the water largely contaminated and few resources available to clean it. Baghdad has arid climate with extremes of heat and cold, temperatures also vary greatly with time, the mean January temperature is 7°C and the mean July temperature is 35°C.High temperatures in the capital city of Baghdad, which lies in the central part of the country, is 51° C have been recorded. Analyses were conducted from 2005 to 2010 and the results for percent of electricity consumption by end use shows that 10 percent is for evaporative cooling. In addition to water policies of Turkey ,Syria and Iran which affects strongly the water availability in Iraq, the lack of water for irrigation is the major reason of failure of agricultural policy in Iraq . Water shortage in Baghdad occurs. More than one out of three Baghdadi's people lack access to safe drinking water, and more than one out of six lack adequate sanitation. Wide attention are required for starting national water conservation programs .In arid areas of Baghdad, water conservation and reuse are issues that receive a great deal of public attention in the last decade. The search for ways to responsibly use and reuse water is vital to the sustainability of the water supply and thus the future of these regions Treated gray water in houses can be reused for toilet flushing, outdoor irrigation and spraying water evaporation cooling of selected apartments building located in Baghdad. Treated wastewater also can be used for irrigation and streets cleaning by municipal institutes. Several experiments in Baghdad have been achieved for small scale to reuse graywater for toilet flushing, irrigation, outside house cleaning and evaporative cooling. The basic goal of this project proposal is to apply the graywater for wide range as solution of water crises in Baghdad. Baghdad's Water demand is estimated to 3.2 Millions m3/day, the quantity of produced water is (66%) of the required needs.
-The Average daily use is about 18% lower than the annual daily average in Winter, while it is 38% higher than the annual daily average ,that cause wide variation in water demand during the year.
- For selected communities the maximum daily use is about 205% of the average daily use.
- Although electrical energy have decreased significantly during the past decade, Increased use of evaporative cooling make residential water use was continued to rise approximately 5% per year.
Keywords: wa ter resource mana gement ,greywa ter r euse, Baghda d
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ISSN (Paper)2224-5790 ISSN (Online)2225-0514
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