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183 Current news about the topic membranesrss
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New material opens up the possibility of saving up to 80 percent of energy when separating raw materials for the plastics industry
Jointly with cooperation partners, a researcher of Karlsruhe Institute of Technology (KIT) has developed “porous liquids”: Nanoparticles, that are able to separate gas molecules of different sizes from each other, float – finely distributed – in a solvent. This is because the particles have empty ...
Sale of the reverse osmosis membrane business to SUEZ
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, ...
Novel fabrication method for affordable gas membranes
Researchers at the Department of Energy's Oak Ridge National Laboratory and the University of Tennessee, Knoxville, are advancing gas membrane materials to expand practical technology options for reducing industrial carbon emissions. Results published in Chem demonstrate a fabrication method for ...
Polyimide membranes for the purification of natural gas
Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be “sweetened” by removal of its acidic impurities. Through fine tuning of the ratios of two molecular components, it is possible to produce ...
Polymer chemistry is the key to efficient electrolysis
Green hydrogen is a beacon of hope in the energy transition, both as a carbon-free fuel for industry and transportation, and as a key raw material for the chemical industry. Green hydrogen is produced from water by electrolysis using electricity generated from renewable resources. It is still ...
Chemists look to the future of materials design
Scientists at the University of South Carolina and Columbia University have developed a faster way to design and make gas-filtering membranes that could cut greenhouse gas emissions and reduce pollution. Their new method, published in Science Advances, mixes machine learning with synthetic ...
Composite membrane consists of Nafion with embedded nanoparticles
A group from Brazil and an HZB team have investigated a novel composite membrane for ethanol fuel cells. It consists of the polymer Nafion, in which nanoparticles of a titanium compound are embedded by the rarely explored melt extrusion process. At BESSY II they were able to observe in detail, ...
The electrical charge is what makes the difference
A new membrane developed at the Helmholtz-Zentrum Geesthacht (HZG) separates small dye particles or drug substances not only by size but also by their electrical charge. This additional function enables organic molecules with lateral dimensions of one to two nanometres to be such high-efficiently ...
Researchers led by Profs. LI Xianfeng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences recently developed a composite membranefor long-life zinc-based flow batteries. The zinc-based flow battery (ZFB) has capturedmuch attention as a stationary energy ...
Chinese researchers under the direction of Profs. LI Xianfeng and ZHANG Huamin from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences recently developed an ultrathin ion-conducting membrane with high selectivity and conductivity that can boost the power of flow ...