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Houston, TX -- U.S. Foreign Commercial Service statistics report that fewer than 63% of the total population in Peru has access to public sewage and only 35% have access to a running water supply. Sadly, these rates are among the lowest in South America. The Rimac River, which is the source of 72% of the water consumed by almost seven million residents of the capital, Lima, has been the primary culprit behind the decline of its water quality.
The City of Carapongo near Lima has also been affected by the Rimac pollutants, and committed to take action to clean the River and keep it oxygenated. In 1998, construction of the Waste Water Treatment Plant began in Carapongo, designed to treat wastewater generated by the towns of Chosica, Chaclayo and other smaller villages before it is released into the Rimac River. As the population of these towns grew, however, the plant's initial capacity of 140 liters per second was overwhelmed as it became necessary to increase the plant’s capacity to 520 liters per second.
In March 2003, SEDAPAL (the regional water authority, including Peru’s capital, Lima) expanded the plant using state of the art wastewater treatment equipment from Headworks®. Headwork’s Mahr Bar Screens and compactor have ensured the effective and problem free operation of the Carapongo plant. Headworks’ Mahr Bar Screen™ is a vast improvement over the short-lived screening equipment used previously, the chains alone are expected to last 20 years.
Typical Peruvian wastewater treatment plants are plagued with higher maintenance and repair costs, regular breakdowns, and shorter life span due to weak construction and mild steel components, but at Carapongo, the sturdy, all stainless steel heavy-duty construction screen works in place of two screens thanks to its durability and ability to capture both coarse and fine solids. The Mahr Bar Screen is designed to pivot out for easy maintenance.
Since it's installation five years ago in Lima, the Carapongo Mahr Bar screen has been running successfully in spite of the unusually high solid load content due to the local use of the water ways as waste disposal vehicles. The content of the wastewater which the plant deals with include a variety of large items from construction debris to animal carcasses.
Mr. Ruben Palacios, Operations Manager of Sedapal's Wastewater Operations Department stated "There have been zero problems with the screen since installation".
Most importantly, the Headworks Mahr Bar Screen has contributed greatly to the improvement of water quality in Peru. Headworks continues to play an active role in assisting the Water Authority with technical advice and beneficial products to pave the way to cleaner water and a better quality of life for all Peruvians.
Source: http://www.headworksusa.com/
© Copyright 1998 - 2009 Water and Wastewater.com
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