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Grundfos Is Partner in a Development Project

Grundfos is partner in a development project, which, in time, can lead to recycling of the scarce and essential resource, phosphorus.

Lack of phosphorus might turn out to be one of the largest challenges of the future. As a nutrient, it is an essential factor in the growth of plants, and because of this, it plays an important part in food production to a globally growing population. At the same time, naturally occurring phosphorus, which can be extracted for fertilizer, is a limited resource which threatens to be exhausted. Because of this, recycling of phosphorus and new ways of extracting it, have become areas which receive attention on a global scale.

In collaboration with among other Aarhus Vand, a municipal water supply company in Aarhus, Denmark, Grundfos is partnering in a project, where new technologies for extracting phosphorus from waste water are being tested at ?by purification plant. The plant was opened on 11 November, with attendance by among others the Danish Minister for Environment, Ida Auken.

"The Danish government wishes to make a green switch of Denmark. Here we have an example of what green transformation is all about. We develop solutions to environmental issues, which at the same time can generate new business from which we can live in the future. The discharge of phosphorus to the water environment is not only a challenge in Denmark. It is a global problem, which offers perspectives in finding a way of solving", she says.

A problem and a possibility

At Aarhus Vand, they have worked with phosphorus removal from waste water since 2011. The rare element has the unfortunate side effect that it deposits in the pipelines, making them clog. And when the water company in another context learned that in Oregon, USA, they were far ahead in the work with recycling phosphorus, the project started to take off.

"There is a vast potential in extracting phosphorus from waste water. And from our perspective, we get to solve a problem and make use of an opportunity in one swoop. Partly by avoiding clogging our pipelines, partly by extracting and making use of a scarce resource in a sustainable way", says Claus Homann, Department Head at Aarhus Vand, and explains that it is probable that the plant in ?by can be developed to extract 60 per cent of the phosphorus from the waste water.

Source: http://impeller.net:80/magazine/News_en/doc7201x.asp
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New Project Extracts Phosphorus From Waste Water
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