A new study finds that ocean-based carbon dioxide removal (CDR) and storage in German waters is feasible but with limitations, such as local marine conditions and required materials, energy, and infrastructure. Only five methods were shortlisted for implementation in German North Sea and Baltic waters.
SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalEarth's Future·TypeMeta-analysis·DateApr 29, 2025
A research team developed a novel strategy to balance high catalytic activity and durability under industrial-level conditions. They constructed a MOF@POM superstructure that undergoes an in-situ transformation into a single-layer CoFe hydroxide catalyst, exhibiting exceptional performance in alkaline electrolytes.
SourceChinese Academy of Sciences Headquarters·JournalScience·DateApr 25, 2025
A POSTECH research team has developed a new catalyst using aluminum, improving the performance of hydrogen production in alkaline water electrolysis by approximately 50%. The aluminum catalyst maintained high current density and excellent stability, making it suitable for large-scale hydrogen production.
SourcePohang University of Science & Technology (POSTECH)·JournalACS Catalysis·DateMar 5, 2025
Researchers developed an innovative method for analyzing water alkalinity using low-cost commercial reagents, machine learning, and smartphone technology. The technique offers accurate measurements across diverse water matrices with impressive R² values, making it a game-changer for water quality testing and monitoring.
SourceNanjing Institute of Environmental Sciences, MEE·JournalEco-Environment & Health·DateFeb 13, 2025
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Researchers at the University of Massachusetts Amherst designed a novel device that manipulates cell behavior by precisely modulating the pH of the cell's environment in real-time. The device was able to manipulate pH with a resolution of 0.1 pH units, far exceeding previous electrode-based attempts.
SourceUniversity of Massachusetts Amherst·JournalNano Letters·TypeExperimental study·DateDec 19, 2024
Researchers found that zooplankton communities remained stable and tolerated moderate chemical changes associated with Ocean Alkalinity Enhancement. However, nutritional quality of particulate matter may deteriorate, potentially affecting marine food web structure and productivity.
SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalScience Advances·DateDec 6, 2024
Researchers have developed a highly efficient alkaline membrane electrolyser that approaches the performance of established PEM electrolysers. The use of inexpensive nickel compounds replaces costly and rare iridium, leading to significant advancements in understanding fundamental catalysis mechanisms.
SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Catalysis·TypeExperimental study·DateOct 28, 2024
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
SourceWorcester Polytechnic Institute·JournalChemSusChem·TypeExperimental study·DateOct 17, 2024
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Researchers at Tokyo Institute of Technology developed a highly selective and efficient glycerol electrooxidation process that converts waste into high-value three-carbon compounds. Higher borate concentrations improved selectivity for these products, reducing the need for additional processing.
SourceTokyo Institute of Technology·JournalJournal of Catalysis·TypeExperimental study·DateSep 3, 2024
Research reveals that lateral root formation and hormonal interactions involving jasmonate play key roles in stress adaptation. The study highlights the crucial role of jasmonate in alkalinity stress tolerance, influencing growth, yield, and fruit quality.
SourceMaximum Academic Press·JournalFruit Research·TypeExperimental study·DateApr 9, 2024
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
SourceXi'an Jiaotong-Liverpool University·JournalMicrochimica Acta·TypeExperimental study·DateNov 3, 2023
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A team of researchers from Syracuse University and Texas A&M University applied a machine learning model to explore the sources of salinization and alkalinization in U.S. watersheds. The study found that human activities, such as road salt application, were major contributors to salinity, while natural processes dominated alkalinity.
SourceSyracuse University·JournalScience of The Total Environment·DateJun 14, 2023
A new study by Helmholtz-Zentrum Hereon investigates the impact of climate change on ocean's ability to sequester CO2. Researchers found that changes in weathering rates and rock properties affect alkalinity, with potential implications for global carbon cycling.
SourceHelmholtz-Zentrum Hereon·JournalNature Communications·TypeComputational simulation/modeling·DateMar 27, 2023
A recent study by researchers at the University of Texas at Austin found that the ocean's ability to absorb CO2 will peak by 2100 and become less efficient after 2300 due to a surface layer of low-alkalinity water. This emergence hinders CO2 absorption, leading to faster warming.
SourceUniversity of Texas at Austin·JournalGeophysical Research Letters·TypeComputational simulation/modeling·DateMar 2, 2023
Researchers have identified a class of calcium-based cathode materials that show promise for high-performance rechargeable batteries. By running quantum mechanics simulations, the team pinpointed cobalt as a well-rounded transition metal for a layered Ca-based cathode.
SourceChung Ang University·JournalAdvanced Energy Materials·TypeExperimental study·DateFeb 7, 2022
Researchers found that major Arctic rivers have increased alkalinity production over the past 40 years, potentially offsetting the negative effects of climate change. This increase in riverine alkalinity could be triggered by thawing permafrost, changes in acid deposition, and other human activities.
SourceFlorida State University·JournalEnvironmental Science & Technology·DateAug 28, 2018
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A new study reveals that the Eastern US is experiencing a significant increase in river alkalinity, with two-thirds of streams and rivers becoming more alkaline over the past 25 to 60 years. This rise in alkalinity can lead to water quality issues, harm aquatic life, and exacerbate salinization of freshwater.
SourceCary Institute of Ecosystem Studies·JournalEnvironmental Science & Technology·DateAug 26, 2013
Researchers found two-thirds of Eastern US rivers have become more alkaline over 25-60 year periods, complicating drinking water treatment and harming aquatic ecosystems. Increased alkalinity also threatens metal pipe infrastructure and affects irrigated crops and fish.
SourceUniversity of Maryland·JournalEnvironmental Science & Technology·DateAug 26, 2013
US East Coast regions will be disproportionately affected by ocean acidification, with the Gulf of Maine being particularly vulnerable. The study found that waters with low alkalinity to DIC ratios are more susceptible to acidification, and the Labrador Coastal Current may contribute to this effect.
SourceWoods Hole Oceanographic Institution·JournalLimnology and Oceanography·DateMar 1, 2013
Scientists report that red mud's high alkalinity and salt content are the main threats to crop growth, not toxic metals or radioactivity. Adding gypsum can reduce alkalinity and accelerate salt removal, recommending long-term monitoring of metal levels in crops.
SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateFeb 2, 2011