New method can remove dyes from wastewater

16-Aug-2022 - North Carolina State University researchers have demonstrated that a synthetic polymer can remove certain dyes from water, and that the polymer can be recovered and reused. The findings offer a new potential method for cleaning wastewater after use by textiles, cosmetics or other ...

Going platinum: A non-toxic catalyst for clean, re-usable water

New treatment for harmful aldehydes in wastewater

20-Jun-2022 - Platinum has set a new “gold standard” in jewelry, and now it’s about to upscale the quality of your water. As wastewater treatment for potable – drinkable – reuse becomes a more viable and popular option to address water shortages, the question of what harmful byproducts might form in treatment ...

PFAS chemicals do not last forever

The use of sulfite and iodide under ultraviolet light can destroy PFAS in water in a few hours

25-May-2022 - Once dubbed “forever chemicals,” per-and polyfluoroalkyl substances, or PFAS, might be in the market for a new nickname. That’s because adding iodide to a water treatment reactor that uses ultraviolet (UV) light and sulfite destroys up to 90% of carbon-fluorine atoms in PFAS forever chemicals in ...

Rice process aims to strip ammonia from wastewater

Ruthenium and copper catalyze a more environmentally friendly way to produce essential chemical

04-May-2022 - A dash ofrutheniumatoms on a mesh of copper nanowires could be one step toward a revolution in the global ammonia industry that also helps the environment. Collaborators at Rice University’sGeorge R. Brown School of Engineering,Arizona State Universityand Pacific Northwest National ...

Taking the fight to microplastics with lasers

First laser-drilled filter for the filtration of microplastics from wastewater

05-Apr-2022 - Until now, wastewater treatment plants have not been able to sufficiently filter out tiny microplastics in wastewater, but this could soon change: The first laser-drilled microplastic filter is being tested in a wastewater treatment plant. It contains sheets with extremely small holes just 10 ...

Making light work of emerging micropollutants

Dangerous and environmentally harmful organic micropollutants can be successfully removed from wastewater using high-intensity pulses of light

12-Jan-2022 - Carbon-based organic micropollutants in water can be removed by treatment with high-intensity pulses of light in a procedure developed and demonstrated by researchers at KAUST. This photodegradation process was already known to be feasible, but its use was limited by the long treatment times it ...

Sudoc named Startup to Watch by Chemical & Engineering News

Company co-founded by Carnegie Mellon chemists develops environmentally safe methods for removing toxins and pollutants

30-Nov-2021 - Sudoc, a startup co-founded by Carnegie Mellon University chemists Terrence J. Collins and Ryan C. Sullivan, has been named one of 10 Startups to watch by Chemical & Engineering News (C&EN). Sudoc is developing and commercializing TAML catalysts, a bioinspired environmentally friendly molecule ...

BASF and Clayton, Dubilier & Rice close sale of Solenis to Platinum Equity

11-Nov-2021 - Following the approval by all relevant authorities, BASF and Clayton, Dubilier & Rice closed the sale of Solenis to Platinum Equity. The transaction implies an enterprise value for Solenis of $5.25 billion, which includes net debt of around $2.5 billion. In July 2021, BASF and Clayton, Dubilier & ...

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 ...

BASF and Clayton, Dubilier & Rice to sell Solenis

Closing of the transaction expected before the end of 2021

08-Jul-2021 - BASF and Clayton, Dubilier & Rice have signed an agreement to sell Solenis to Platinum Equity, a California-based private equity company founded in 1995. The transaction implies an enterprise value for Solenis of $5.25 billion, which includes net debt of around $2.5 billion, subject to ...