New terminal at Goiânia international airport has a radical new system of complete water reuse

Ecosan Brazil is responsible for treatment process, machine and equipment supply and system integration

The new passenger terminal at the Santa Genoveva Airport or Goiânia international airport, was ahead of the game in being the first in Brazil to use safe parameters and concepts in the treatment of direct water reuse, with an innovative project enabling the reuse of gray waters from cooling towers, sinks, showers, water fountains and rainwater. Although officially inaugurated on May 9th, it only started to operate from May 21st  2016.

Ecosan, the leading company in equipment for primary and secondary treatment of domestic and industrial effluent, has been hired to develop and operate the system. Its Managing Director  André Ricardo Telles, feels the initiative represents a new project concept. “Given water resource shortages, the system’s significant reduction in the cost and consumption of potable water in its operations is of great value. The adoption of these processes is a reflection of environmental and water resource concerns,”  says Telles, who adds that  the equipment and machinery employed at the terminal was installed and operational extremely quickly.
The gray water treatment system receives the water tower discards on a daily basis. These undergo constant chemical treatment for pH balance and adjustment, corrosion and incrustation control as well as control of algae growth. Infraero – (Brazilian acronym for Brazilian  Airport Infrastructure Company) – is responsible for monitoring parameters, whilst Ecosan Brazil’s responsibilities are  treatment process, machine and equipment supply, training system integration, and start-up of operations.

According to Telles, the system has four stages. The first stage consists of the separation of oil and water in coalescent blocks. The second stage includes a complete system of biological water treatment of water contaminated with organic material. It will pass through equalization, settling, aeration, sedimentation and polishing processes. The third stage comprises a physico-chemical treatment for the removal of other contaminants, and also mechanical filtration. To finish things off, an ultraviolet  disinfection process. Ecosan’s Managing Director points out that passenger safety was always a primary concern. Electrical and automation parts of the project were developed in such a way as to meet the obligatory requirements of an area classified as an explosive environment, with all panels, motors, drives and other equipment  being spark and explosion proof.

José Constâncio da Silva Neto, the Environmental Prosecutor employed for the project by the Brazilian  Airport Infrastructure Company (Infraero) feels that with its inaugurations out of the way, the terminal is just waiting to receive its finishing touches. “All the assembly work has been done. The system is anticipated to come on line in the second fortnight of June. However, it will only be possible to assess its efficiency after three or four months of use, or, in the worst of cases, six months. This is because we are talking about a biological process here, and it will take a while for the system to adapt itself to the effluents generated by the airport.” He adds that, “Although the reduction in consumption has yet to be defined, our expectation is that when it is fully operational, the system will be able to meet a considerable part of the airport’s total water needs. We estimate this at 30%, but, being optimistic, it could hit 40%.”

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Projeto em 3D do Sistema de Tratamento de Reuso de Águas Pluviais e Águas Cinzas

ABOUT ECOSAN

Since 1983 Ecosan has been the leader in equipment and systems for domestic and industrial effluent treatment and reuse, providing bespoke solutions to meet the specific needs of each client. As a result of its philosophy the company now has more than 60,000 units installed in Brazil, Latin America and Africa. With new product development and technological innovation always in mind, Ecosan was the first company in Latin America to produce both floating aeration equipment with downward flow and mechanically-cleaned bar screens. The company has the largest product equipment and solution portfolio in the market, providing its clients with the quality, reliability and functionality they demand.

 

Font: Vervi Assessoria de Imprensa


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Title: Aeroporto de Goiânia é o 1º do Brasil com sistema para reuso de águas cinzas
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