Articles tagged with Ion Exchange
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Arup K. SenGupta, a renowned water scientist at Lehigh University, has been honored with the ASCE Freese Award and Lecture for his pioneering work in ion exchange science and technology. He will present on 'Development and Global Application of Hybrid Ion Exchange Processes' during the 2025 World Environmental & Water Resources Congress.
Researchers from UniSA have developed a simple strategy to increase seawater evaporation rates, making desalination more energy-efficient and sustainable. By introducing clay minerals into a photothermal hydrogel evaporator, they achieved a 18.8% higher evaporation rate for seawater compared to pure water.
A new process developed by Lehigh University researchers uses evaporative ion exchange (EIX) to concentrate hypersaline brine at room temperature, avoiding scaling and fouling. The process has shown promising results in concentrating salts from hypersaline water, with the potential for widespread use.
Researchers at USTC developed a novel spiro-branched polymeric membrane with exceptional performance in flow battery applications, exceeding 60 mS cm-1 chloride ion conductivity. The membranes demonstrated superior power density and energy efficiency, potentially addressing various energy and environmental challenges.
A new method using computer simulations predicts the feasibility of materials suited for ion exchange, allowing for the synthesis of new compounds at relatively low temperatures. This advancement accelerates the development of new materials suitable for improved energy technologies.
A team from the Liu Lab has shown that there is a general pathway for lithium and sodium ion exchange in layered oxide cathode materials. This discovery enables researchers to predict intermediate states and create more efficient processes for synthesizing materials.
Researchers develop innovative treatment to alleviate deleterious effects of hyperkalemia, a disease affecting 350 million people worldwide. The new mineral-based therapy uses ion transfer to flush excess potassium from the body, offering a safer alternative to existing treatments.
Researchers use LEED to investigate coherent exchange scattering in NiO, revealing a resonance enhancement attributed to surface wave resonance. The study reaffirms previous data on surface-spin structure and magnetic properties while providing new insights into temperature dependence.
A team of scientists discovered that ions transfer through polymer membranes in hybrid liquid-gas electrolyzers via diffusion, not electromigration. This finding has significant implications for the development of more efficient and environmentally friendly energy technologies.
Researchers at Pusan National University have developed a new adsorbent that utilizes problematic protons in acidic wastewater to enhance the removal of radioactive cesium ions. The adsorbent, potassium calcium thiostannate, shows improved capacity under strongly acidic conditions.
Researchers at Pusan National University have developed high-adsorption phosphates that can efficiently capture radionuclide cesium ions. These phosphates outperform standard adsorbents with record-high adsorption capacities, making them promising candidates for radioactive waste disposal.
A novel copper-containing polymeric filter can effectively capture carbon dioxide from the air, converting it into sodium bicarbonate that can be released harmlessly into the ocean. The technology has garnered international attention and could be powered by renewable energy in the future.
Researchers modeled how elements move across star-forming regions, finding that galactic winds influence temperature and metal distribution. The study's findings suggest a non-spherical wind pattern, contrary to previous spherical models.
Researchers developed poly(alkyl-biphenyl pyridinium)-based anion exchange membranes with hydrophobic side chains, achieving high permoselectivity for monovalent ions like chloride and hydroxide. The new membranes show excellent alkali stability and can separate multiple multivalent anions with high selectivity.
Researchers at Lehigh University have developed an energy-saving desalination process using carbon dioxide, which can reduce water pretreatment required and cost savings. The HIX-Desal technology has shown promising results in reducing salinity of treated wastewater by over 60% without the need for reverse osmosis.
Researchers at the University of Helsinki have developed a new method to purify nuclear waste water using electrospun sodium titanate, which speeds up the process and reduces radioactive waste. The method is based on selective ion exchange and has been shown to work like commercially produced materials.
Researchers at Penn State have developed a cost-effective and environmentally friendly way to extract rare-earth elements from coal byproducts. This breakthrough could provide an economic boon for companies and reduce the US's dependence on importing these metals, which are essential for producing high-tech equipment.
A review by the American Society of Nephrology suggests that ion exchange resins used to treat hyperkalemia may not be effective and could be harmful. The authors recommend further studies on these products and urge doctors to explore alternative treatments first.