Connect with us

Hi, what are you looking for?



Energy-Efficient Method Of Recovering Valuable Minerals & Materials From Wastewater Developed

An energy-efficient method of recovering economically valuable minerals and materials from wastewater has been developed by researchers at VTT Technical Research Centre of Finland.

In addition to the new approach to recovering resources from industrial wastewater, the researchers also developed new ‘rapid tools’ for the identification of various environmental pollutants.

When water and wastewater systems are developed in a comprehensive manner, it is possible to recover valuable metals and other materials and secure availability of clean water. Image Credit: VTT

When water and wastewater systems are developed in a comprehensive manner, it is possible to recover valuable metals and other materials and secure availability of clean water.
Image Credit: VTT

The new work makes the point that the cleaning and treatment of wastewater can provide more than just clean water, but can also be used as a means for procuring valuable resources — becoming a process that does not consume net energy or cause extra costs.

“Wastewater treatment and waste treatment have mainly been implemented by legal necessity. Now we should modify our way of thinking so that we would be able to regard waste disposal sites and purification plants as sources or raw materials and energy. In the near future, technology has been refined far enough to allow such waste treatment plants to operate on their own,” states Mona Arnold, Principal Researcher at VTT.

The press release from VTT provides more:

VTT has developed extraction methods for metals and minerals from waste materials. Biological extraction methods by which metals are recovered from mining, metal and recycling industry waste by utilising microbes and chemical reactions are under testing stages and they are forcasted for market uptake within the next few years.

In addition, VTT researchers developed an enzyme-assisted method by which feed products can be produced from side streams deriving from turnip rape processing in (the) food industry.

Also, VTT developed intelligent membrane materials, reducing the need of purification, for filtration purposes. Membrane solutions using only small amounts of energy were developed for water treatment purposes. VTT has collaborated with a university in Singapore to develop a method based on forward osmosis technology, by which metals and biocomponents can be recovered and concentrated from industrial process waters.

VTT also developed the previously mentioned new sensor technology — which can rapidly detect the presence of pollutants, including toxins from cyanobacteria, and also phenolic, hormone-like compounds. This technology is expected to be ready or production use within only a couple of years.

Sign up for daily news updates from CleanTechnica on email. Or follow us on Google News!

Have a tip for CleanTechnica, want to advertise, or want to suggest a guest for our CleanTech Talk podcast? Contact us here.

Former Tesla Battery Expert Leading Lyten Into New Lithium-Sulfur Battery Era — Podcast:

I don't like paywalls. You don't like paywalls. Who likes paywalls? Here at CleanTechnica, we implemented a limited paywall for a while, but it always felt wrong — and it was always tough to decide what we should put behind there. In theory, your most exclusive and best content goes behind a paywall. But then fewer people read it! We just don't like paywalls, and so we've decided to ditch ours. Unfortunately, the media business is still a tough, cut-throat business with tiny margins. It's a never-ending Olympic challenge to stay above water or even perhaps — gasp — grow. So ...
If you like what we do and want to support us, please chip in a bit monthly via PayPal or Patreon to help our team do what we do! Thank you!
Written By

James Ayre's background is predominantly in geopolitics and history, but he has an obsessive interest in pretty much everything. After an early life spent in the Imperial Free City of Dortmund, James followed the river Ruhr to Cofbuokheim, where he attended the University of Astnide. And where he also briefly considered entering the coal mining business. He currently writes for a living, on a broad variety of subjects, ranging from science, to politics, to military history, to renewable energy.


You May Also Like

Clean Power

If all goes according to plan, one wastewater treatment plant in California will demonstrate a solar power and energy efficiency model for others to...

Clean Power

A gas-and-electric utility dreams of a decarbonized future for the US with an assist from green hydrogen and long duration energy storage.


Q&A with LA100 Study Lead Jaquelin Cochran For decades, power system planning has optimized costs and efficiency over the experiences of some communities, meaning...

Climate Change

The threat of a catastrophic failure unleashing a 20-foot wall of industrial wastewater over nearby homes and businesses in Piney Point, Florida, illustrates the danger...

Copyright © 2023 CleanTechnica. The content produced by this site is for entertainment purposes only. Opinions and comments published on this site may not be sanctioned by and do not necessarily represent the views of CleanTechnica, its owners, sponsors, affiliates, or subsidiaries.