Articles tagged with Alkalinity
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.