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Nonpoint pollution retention system of rainwater collection devices

Grant number: 15/15961-1
Support Opportunities:Research Grants - Innovative Research in Small Business - PIPE
Duration: February 01, 2016 - October 31, 2016
Field of knowledge:Engineering - Sanitary Engineering - Environmental Sanitation
Principal Investigator:Juliana Caroline de Alencar da Silva
Grantee:Juliana Caroline de Alencar da Silva
Host Company:Agesan Arquitetura e Engenharia Ltda
City: São Paulo
Associated researchers: Julio Fernandes Gonçalves

Abstract

With the sanitation consolidation in some urban basins, a new challenge arises, the recovery of rivers. What at first appears to be a consequence of the process, in fact it shows a much more complex task and involves various factors, making the recovery process slow and costly. Concern for nonpoint pollution is already a matter very studied in places where pollution from point charges already has effective control, but this issue is still a major challenge in countries like Brazil, where the control point charge does not It is a tangible reality. Urbanization brings with it many challenges, among them the management of urban water stands out for include aspects of different fields of knowledge and, therefore, demand multidisciplinary solutions. The design of the drainage systems in Brazil took place in order to prioritize solutions aimed at flood control, without thinking about the health of rivers, and the consequence of this process is the rivers degradation. Given this scenario, one notes the need for new solutions to current and future drainage systems that incorporate the new features usual design, such as the control of nonpoint pollution that is brought for the body of water by runoff in watersheds. This research project comes in response to this need by proposing a device to control nonpoint pollution to be incorporated in rainwater collectors devices in drainage systems. Currently there are some initiatives to control these charges in wolf's mouth, but such devices are simplified structures that perform only the retention of large particle size material, which constitute only a portion of the nonpoint pollution, leaving still be taken to the water body the share of small grain size, which carries out the majority of pollutants, as this impregnated with metals, oils, greases and other difficult to remove when contaminants in rivers. The research project proposes the installation of a initial prototype to test the use of nonpoint pollution retention in two phases, the first by a basket that retains coarse material, consisting mostly of recyclable materials; and the second through the use of a geotextile, which will act as a filter portion of small grain size. It is hoped that it verify the technical feasibility of the product, resulting in a proposal of a product that will assist in waste control in watersheds. The main expected challenges are involved in the design and assembly of initial prototype as well as the choice of geotextile to equalize waste retention needs the device without compromising the flood control function; Furthermore another challenge is to convince the target audience of the system of adoption benefits. The AGESAN, located in the Innovation Center, Entrepreneurship and Technology (CIETEC), through its partners, has extensive experience in urban infrastructure, developing innovative work related to optimization of urban systems. (AU)

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