Water purification - 50 News from the science department for the chemistry industry

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Water purification - 50 News from the science department for the chemistry industry

Tip: You can further refine your news selection by organizations and countries.

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Cleaning water with ‘smart rust’ and magnets

New method for pollutants such as crude oil, glyphosate, microplastics and hormones

22-Aug-2023 - Pouring flecks of rust into water usually makes it dirtier. But researchers of FAU have developed special iron oxide nanoparticles they call “smart rust” that actually makes it cleaner. Smart rust can attract many substances, including oil, nano- and microplastics, as well as the herbicide ...

water purification Crude Oil estrogen
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Magnetic bacteria can help to extract dangerous heavy metals from wastewater

Filigree sewage plants

10-May-2023 - A research team at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has managed to purify water containing uranium using a special kind of bacteria known as magnetotactic bacteria. The name derives from their ability to react to magnetic fields. They can accumulate dissolved heavy metal in their ...

water purification bacteria heavy metal removal
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More Than Superfood: Duckweed is not only rich in nutrients, it also stores rare earths to a particularly high degree

Researchers at Jacobs University Study Use of Duckweed

04-Oct-2022 - In Asia, duckweed has been used as a food for a long time. The research group CritMET: Critical Metals for Enabling Technologies at Jacobs University Bremen recently discovered that duckweed is not only rich in nutrients, it also stores rare earths to a particularly high degree. Anna-Lena Zocher ...

water purification duckweed rare earths
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Novel platform purifies oil-contaminated seawater

The approach has implications for improving water scarcity around the world, researchers say

28-Mar-2022 - The United Nations’ most recent Intergovernmental Panel on Climate Change reportpaints a bleak picture for the world’s water supply: Of the 7.8 billion people on Earth, about 4 billion do not have access to sufficiently clean water for at least a month every year. While several water ...

water purification contamination hydrogels
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Advance in water purification

Using radicalized NOX derivatives supported on metal oxides

21-Sep-2021 - NOX (X=1 or 2) emitted from stationery/mobile sources are conventionally deemed as notorious, anthropogenic precursors of ultrafine particulate matters (PM2.5) because NOX can undergo a series of SO2-assisted photochemical transformative stages to finally evolve PM2.5 functioning as an air ...

water purification catalysts wastewater treatment
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Making seawater drinkable in minutes

A new alternative seawater desalination membrane to produce drinking water

30-Jun-2021 - According to the World Health Organization, about 785 million people around the world lack a clean source of drinking water. Despite the vast amount of water on Earth, most of it is seawater and freshwater accounts for only about 2.5% of the total. One of the ways to provide clean drinking water ...

water purification desalination drinking water
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New 'Swiss Army knife' cleans up water pollution

First used to soak up oil in water, new sponge sequesters excess phosphate from water

02-Jun-2021 - Phosphate pollution in rivers, lakes and other waterways has reached dangerous levels, causing algae blooms that starve fish and aquatic plants of oxygen. Meanwhile, farmers worldwide are coming to terms with a dwindling reserve of phosphate fertilizers that feed half the world's food ...

water purification membranes phosphate
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Better Understanding Membranes

A new class of membranes promises highly interesting applications in material separation, whether in biotechnology or water purification

28-May-2021 - The theoretical understanding of these polymer membranes is, however, still incomplete. Two researchers from Helmholtz-Zentrum Hereon and the University of Göttingen now present a study, published in the renowned science journal Chemical Reviews, that identifies these gaps in knowledge and shows ...

water purification biotechnology CO2 capturing
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In milliseconds from polluted to clear water

New discoveries in the field of nanoscience

19-May-2021 - Researchers at the Max Planck Institute of Colloids and Interfaces developed a membrane that is composed of a bundle of nanometer-sized tubes. They used it as a nanoreactor to convert water marked with methylene blue into clear water in milliseconds using sunlight as a driver. ‘Running reactions ...

water purification carbon nitride membrane
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Finally, 3D-printed graphene aerogels for water treatment

Study shows how to make stable and large aerogels that remove heavy metals, organic solvents, organic dyes

16-Apr-2021 - Graphene excels at removing contaminants from water, but it's not yet a commercially viable use of the wonder material. That could be changing. In a recent study, University at Buffalo engineers report a new process of 3D printing graphene aerogels that they say overcomes two key hurdles -- ...

water purification 3D printing aerogels
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