News tagged with sludge

Optimizing sludge treatment

Wine harvesting season is a challenge for wastewater treatment plants. When the grapes are being processed, the effluent load rises steeply – by a factor of 17 in the Palatinate town of Edenkoben. High-load anaerobic digestion ...

dateOct 04, 2016 in Energy & Green Tech
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How nanoparticles flow through the environment

Carbon nanotubes remain attached to materials for years while titanium dioxide and nanozinc are rapidly washed out of cosmetics and accumulate in the ground. Within the National Research Program "Opportunities and Risks of ...

dateMay 12, 2016 in Bio & Medicine
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Meat and bone meal as a source of phosphorus

Slaughterhouse waste is processed into meat and bone meal and subsequently fed to livestock or incinerated. This meal could be put to better use, though. It contains phosphorus, a scarce mineral used as fertilizer. A new ...

dateDec 01, 2015 in Other
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Turning sewage sludge into concrete

The disposal of sludge from sewage water treatment is a big issue for wastewater plants in Malaysia. While studies show that the volume of sludge is expected to rise, disposal options are limited due to stricter environmental ...

dateAug 27, 2015 in Engineering
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