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279 Current news about the topic water treatment

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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 -- ...

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Double-duty catalyst generates hydrogen fuel while cleaning up wastewater

19-Mar-2021

Hydrogen is a pollution-free energy source when it's extracted from water using sunlight instead of fossil fuels. But current strategies for "splitting" or breaking apart water molecules with catalysts and light require the introduction of chemical additives to expedite the process. Now, ...

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Recycle high-tech waste biologically

Innovative biotechnological process extracts gallium from industrial wastewater

18-Mar-2021

Gallium is a rare metal, but it is widely used in the high-tech industry. This extreme contrast makes recycling indispensable. However, current recycling processes are costly and chemically polluted. Biotechnological approaches, therefore, rely on peptides, as they are able to bind metallic ...

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Eliminating microplastics in wastewater directly at the source

A research team has developed a process for the electrolytic treatment of wastewater that degrades microplastics at the source

22-Jan-2021

A research team from the Institut national de la recherche scientifique (INRS) has developed a process for the electrolytic treatment of wastewater that degrades microplastics at the source. The results of this research have been published in the Environmental Pollution journal. Wastewater can ...

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Wastewater Treatment Using Sunlight

Ozone as a Reaction Partner

10-Nov-2020

Chemists at the Leibniz Institute for Catalysis in Rostock discovered the molecular mechanism of a photocatalyst that completely breaks down organic contaminants in wastewater with the help of sunlight. Worldwide, for example, more and more residues of drugs such as anti-inflammatory drugs, ...

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Biofuels and sophisticated materials cycles thanks to bio-templating

Mini power plants from coated blue-green algae

31-Aug-2020

Blue-green algae are among the oldest living creatures on Earth and have perfected the use of sunlight over billions of years. Empa scientists have now equipped these humble unicellular organisms with semiconductor coatings to create mini power plants, which supply biofuels and are ...

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LANXESS realigns water treatment business

Sale of the reverse osmosis membrane business to SUEZ

17-Jul-2020

Specialty chemicals company LANXESS continues to develop its portfolio and is reorganizing its water treatment technologies business: the company will focus on the ion exchange resins business and intends to grow here primarily in markets for high-end applications. As part of this realignment, ...

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Adsorbent material developed with PET bottles for the removal of antibiotics from water

The porous carbon composite is applicable to various fields

27-Apr-2020

South Korea with its high antibiotic use is categorized as a country at high risk of the emergence of multi drug-resistant bacteria, or so-called "super bacteria." According to the Ministry of Environment, antibiotic substances have been detected at livestock wastewater treatment facilities, ...

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Researchers Discover New Crystalline Calcium Phosphate

The mineral could be used in implantology, drug development or water treatment

03-Apr-2020

A new type of crystalline calcium phosphate has been discovered and analysed in the laboratories of Leibniz University Hannover (LUH). Calcium orthophosphates, a group of biominerals, are a vital part of the human body and can be found in solid structures such as bones or teeth. Calcium ...

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A possible end to 'forever' chemicals

Excess electrons could help break the strong chemical bonds in products that contaminate water supplies

13-Mar-2020

Synthetic chemicals known as per- and polyfluoroalkyls, or PFAS, contain bonds between carbon and fluorine atoms considered the strongest in organic chemistry. Unfortunately, the widespread use of these nonbiodegradable products since the 1940s has contaminated many water supplies across ...

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