Waste Water Collection/ Treatment Systems Essay

836 words - 3 pages


What are their benefits and potential environmental impacts?
Waste water is any water that has been affected in quality by domestic residence, industrial, and agricultural wastes that leads to presence of wide range of potential contaminants in water. http://en.wikepedia.org/wiki/wastewater. Planning for wastewater treatment and disposable facilities is a challenge for each community. This treatment leads to protection of public health, protection of water resources and growth of community.
Nowadays, people know that they should give nature their support and collect waste water to increase property value, protect wild life and fish and allow many recreational activities to be enjoyed on the water or on the surrounding environment.
Thus we can talk about the main advantages of wastewater treatment:
1. Saving of extra water.
2. Recycling of water.
3. Ground water, surface water source is safe from pollution due to treatment of waste water.
4. Farmers can use treated water for vegetation.
5. People can save cost of transformation of polluted water.
“The major environmental benefit from reusing waste water is a reduction in pollution of waters receiving discharge of sewage. Reducing the volume of this discharge is also a powerful driver for wastewater reuse”. WasteWater Reuse: Environmental Impacts And Risk Assessment (Stagniti, Hamilton, Versace, Idiaconou)
Sewage is part of waste water that is contaminated and there are significant advantages to sewage treatment accruing both humans and natural environment. Regarding to people, the most significant benefit is to decrease waterborne disease because streams enter in drinking water. With regard to ecosystem as a whole the benefits are demonstrated by retaining the metabolic health of aquatic systems. Removal of large quantities of suspended solids preserves the ability of sunlight to reach parts of the water column necessary for normal aquatic ecosystem productivity, furthermore sewage treatment prevents premature siltation of water channels and also protects downstream ecosystems, including marine coral reefs from sediment damage. On the other hand, economic consequences of lack of sewage treatment pose colossal losses for example” in year 2006 the loss of selfish productivity cost fisherman an estimated 12$ billion USD due to lack of sewage treatment”. “Sewage Treatment also remove materials that create biological oxygen demand and thus preserve adequate oxygen in the receiving water to support health of ecosystem and other adequate fauna”. Sewage Treatment (Hogan) .

WHY DO WE NEED TO TREAT WASTE WATER?
In addition to water we want to recycle, wastewater contains pathogens (disease, organisms), nutrients such as nitrogen and phosphorous, solids, chemicals from...

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