Recycling water is essential for the wellbeing of mankind. There are several countries and regions on our earth where the inhabitants do not get sufficient amount of clean drinking water. Industrialization has increased the amount of pollutants that are thrown into the water canals and rivers. Such dirty and polluted water can spread diseases and cause epidemic.
The wastewater plants help in cleansing and purifying polluted water so that it can be used again. These plants are working relentlessly so that thousands of people get clean and safe drinking water. Several wastewater plants around the world use latest technologies and relentlessly work to safeguard thousands of life. In the following, some of the best wastewater plants have been listed.
Stickney Water Reclamation Plant, Chicago:
This wastewater plant cleanses 1.44 billion gallons of water daily. It is owned by the Metropolitan Water Reclamation District or MWRD. Built upon 570 acres of sprawling grounds in Cicero, Illinois, this plant has been consistently serving 43 suburban communities. It supplies clean and safe water to more than 2.4 million people.
The Mainstream Pumping Station of Stickney Water Reclamation Plant is the biggest underground sewage pumping station of the entire world. It has a deep tunnel system for lifting the sewage.
Deer Island Sewage Treatment Plant:
This wastewater plant was built when a court order was issued in regard to taking necessary steps for cleaning the polluted water of the harbor area in 1986. $3.6 billion dollars was spent for constructing this magnificent wastewater plant. It took 11 years to build this plant.
Three pump chambers bring the influent in and then it flows to the grit chambers. The 48 primary treatment clarifiers help in purifying the dirty water and separate the pollutants. Located in Boston, Deer Island Sewage Treatment Plant purifies 1.27 billion gallons of water everyday. It is known for serving over 2.5 million people in this area.
Gabel el Asfar Wastewater Treatment Plant:
Owned by Holding Company for Water and Wastewater, the Gabel el Asfar Wastewater Treatment Plant is capable of cleaning 449 million gallons of water everyday. It is situated on the northeast periphery of Cairo in Egypt. It supplies clean and safe water to around six million residents of the city. The plant conducts primary treatment of water, removes grit and uses sedimentation, clarification and chlorination techniques for purifying water completely. The cleansed water from this plant helps in growing olive, jojoba and flowers in a 40 acre stretch of land adjoined to it.
Bailonggang Wastewater Treatment Plant:
The Bailonggang Wastewater treatment Plant is the largest wastewater plant in Asia and it cleanses 528 million gallons of water daily. Owned by Shanghai Municipal Sewerage Company, this plant started functioning in 1999. In 2008, it was expanded. New anaerobic sludge digesters, sludge drying were installed and a disposal facility was built at the same time. It decreases the amount of sludge through digestion process. Its state of the art infrastructure allows utilizing thermal drying technique on the digested sludge.
Seine Aval Wastewater Treatment Plant:
This plant is located in Paris, France and cleanses 449 million gallons of water everyday. The SIAAP owned wastewater cleansing plant started its operations in 1940. It is the largest wastewater plant of Europe but still does not look like any of the industrial wastewater plants of Asia and US. The sloppy roofs of the sludge treatment facilities have been caringly covered with green grass and there are rows of trees surrounding the plants. At present it is going through a modernization phase which will be completed in 2015. Around $1.3 billion dollars have been spent for modernizing this plant.
The wastewater treatment plants are the lifeline of several urban and suburban regions. They cleanse polluted water and return it to common people for regular use.