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89 Current news from Saudi Arabiarss
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“It is now possible to develop high-energy nonmetallic ion batteries that can compete with metal-ion batteries”
Rechargeable batteries that use ammonium cations as charge carriers could provide ecofriendly and sustainable substitutes to metal-ion-based batteries, researchers at KAUST show. Metal-ion batteries, such as lithium-ion batteries, are the go-to energy storage solution. They dominate the market ...
A chemical sensor endowed with artificial intelligence can learn to detect certain gases in the air with high sensitivity and selectivity
The device, developed at KAUST, uses machine learning to differentiate the gases according to the way they induce slight temperature changes in the sensor as they interact with it. Smart electronic sensors that can detect specific airborne molecules are in great demand for use in applications ...
Polymer-based membranes that selectively separate hydrocarbon and crude oil mixtures could eclipse current industrial thermal processes
Polymer-based membranes developed at KAUST could enable greener and cheaper industrial separation approaches. Their stability and selectivity can be tuned by thermal crosslinking to separate simple hydrocarbon mixtures and complex crude oil fractions. Separation processes, such as distillation ...
Pulses from an atom-sharp tip enable researchers to break and form chemical bonds at will
Chemical reactions often produce messy mixtures of different products. Hence, chemists spend a lot of time coaxing their reactions to be more selective to make particular target molecules. Now, an international team of researchers has achieved that kind of selectivity by delivering voltage pulses ...
Nanoparticle photocatalyst can generate hydrogen fuel from water more efficiently than their standard inorganic semiconductor counterparts
Organic semiconductor-based photocatalysts conceived by a KAUST-led team could make hydrogen easier to generate from water using sunlight. Sunlight is the most abundant source of renewable energy, but its inability to produce consistent energy levels over time means it cannot meet energy needs on ...
Acquiring a stake in Al-Azzaz Chemicals
Brenntag announces the partnership with the Al-Azzaz Chemicals Company via a 75/25 joint venture. While Brenntag has been active in Saudi Arabia, this joint venture greatly expands the company’s presence and footprint with one of the largest speciality chemicals distributors on the Arabian ...
Systematic study resolves a debate on the best combination of metals to catalytically clean NOx from vehicle emissions
Smog-producing chemicals could be almost eliminated from the tailpipes of diesel cars and vans, using a new exhaust catalyst concept developed at KAUST. After systematically studying multiple catalyst compositions, the research team identified the ideal atomic recipe to catalytically remove NOx ...
An electrode made from inexpensive earth-abundant metals bubbles with potential for green fuel production
A metal foam could underpin a low-cost method for generating carbon-free fuels, researchers from KAUST have shown. The team seamlessly coated the foam with iron and cobalt nanomaterials to create a highly active electrode for a device that splits water molecules to release oxygen and hydrogen, a ...
Waste materials are used to create an environmentally friendly filtration system for industrial applications.
Shrimp shells, plant extracts and recycled plastic have helped KAUST researchers to build a sustainable thin-film composite membrane that could replace conventional membranes whose environmental toll is greater. Thin-film composite membranes are widely used in applications such as wastewater ...
Dangerous and environmentally harmful organic micropollutants can be successfully removed from wastewater using high-intensity pulses of light
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 ...