From waste treatment to resource factory

Imagine what follows if sewage waste is not actually waste at all, but the basis of a new, potentially valuable product?

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PAUL ROELEVELD, DIRECTOR BUSINESS DEVELOPMENT, WATER, ROYAL HASKONINGDHV

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The benefits to society are huge, not least because it brings down the costs of wastewater treatment. It’s a more sustainable long-term solution for wastewater and an example of the circular economy in action.

This is why the commissioning of the first industrial Nereda® extracted organic alginate factory in Zutphen in the Netherlands is such a significant step. The factory extracts Nereda® alginate from the sludge granules after wastewater has been treated using Royal HaskoningDHV’s Nereda® technology. Nereda® alginate is an alternative to polymer alginate – extracted from seaweed – and has many unique features.

Watch video on ‘Water alginate’ (in Dutch)

Chair of Water Authority Rijn en IJssel, Hein Pieper, said: “With this investment we create the wastewater treatment of the future: energy-neutral energy and raw materials factories that produce no waste at all. We continuously work towards a fully sustainable and circular economy.”

The development also connects with industrial developments, as Paul Roeleveld wastewater expert at Royal HaskoningDHV added: “This new material offers various exciting possibilities for agricultural and horticultural applications, in the paper and the construction industry.”

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© Royal HaskoningDHV 2017

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