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Tag: filters

A ‘greener’ way to clean wastewater treatment filters

Specific nanoparticles are better than other methods at breaking down common contaminants. MEMBRANE filters don’t require much energy to purify water, making them popular for wastewater treatment. To keep these materials in...

Engineers make filters from tree branches to purify drinking water

THE interiors of nonflowering trees such as pine and ginkgo contain sapwood lined with straw-like conduits known as xylem, which draw water up through a tree's trunk and branches. Xylem conduits...

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Western Cape remains an attractive destination for foreign direct investment

Global foreign direct investment (FDI) flows recovered to US$1.58 trillion in 2021, up from US$963 billion recorded in 2020 and higher than pre-pandemic...

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