Articles tagged with Carbon Dioxide
Scientists have developed a light-activated material that can convert carbon dioxide into carbon monoxide, a key building block for fuels and chemicals, using sunlight and water. The material, which combines ideas from biology and materials science, produces CO extremely efficiently with no detectable by-products.
A new study challenges the assumption that only small pores in biochar capture carbon dioxide, finding that larger pores significantly increase carbon capture at higher temperatures. The research suggests optimizing the full pore hierarchy of biochar could improve its performance as a carbon capture material.
Researchers highlight advancements in fluidized bed design, oxygen carrier materials, and performance of chemical looping systems. They emphasize the importance of controlling fluidization regime and developing physical standards for oxygen carriers.
Researchers at Yale and Missouri developed manganese-based catalysts that effectively convert carbon dioxide into formate, a potential key contributor of hydrogen for fuel cells. This breakthrough addresses the challenge of producing cost-efficient ways to produce and store hydrogen.
Researchers at Northwestern University and Stanford University develop a new artificial metabolism that converts waste carbon dioxide into acetyl-CoA, a universal metabolite used by all living cells. The system, called Reductive Formate Pathway (ReForm), uses engineered enzymes to perform metabolic reactions never seen in nature.
A new study estimates that the Amazon rainforest could lose up to 38% of its area by the end of the 21st century due to land use changes and climate change. The research, published in PNAS, suggests that abrupt transitions from dense forest coverage to savannah-like landscapes pose a significant risk to the ecosystem.
Researchers at MIT have discovered a simple way to make carbon capture more efficient and affordable by adding a common chemical compound called tris to capture solutions. This innovation can stabilize the pH of the solution, allowing the system to absorb triple the amount of CO2 at relatively low temperatures.
Researchers found that adding formic acid to traditional UV-based oxidation systems boosts PFOA defluorination rates from 27% to 89%, leveraging reductive radicals for efficient degradation. Acidic conditions and oxygen-free environments enhance performance.
Recent breakthroughs in chemical looping technology enable high purity hydrogen generation alongside carbon dioxide separation, reducing emissions. Dr. Aziz's research advances material behavior, reactor configurations, and system optimization for near zero emission hydrogen systems.
Dr. Muhammad Aziz presents his cutting-edge research on chemical looping-based hydrogen production, generating high-purity hydrogen and capturing CO2 while recovering usable heat or power. His work spans from microscopic analysis to system-level integration across energy and heavy industries.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
A new study has found that the Southern Ocean releases substantially more carbon dioxide during the dark austral winter than previously thought. The findings suggest that the region plays a more complex and dynamic role in the global carbon cycle, with implications for climate models.
Researchers developed a novel biochar material with a high specific surface area and micropore volume, achieving a maximum CO2 adsorption capacity of 3.434 millimoles per gram at room temperature. The material's optimal mesopore proportion enabled rapid adsorption kinetics, resolving a long-standing trade-off in biochar design.
Researchers have discovered detailed visualizations of mosquito's carbon dioxide-detecting neurons, revealing anatomical adaptations designed to target human blood. The study provides key insights into the mosquito's sensing mechanisms and their unique ability to detect CO2, which contributes to their deadly status.
The course explores the science of global carbon cycle, latest technologies and economic trade-offs of different approaches. It prepares professionals for a growing industry expected to become a €220 billion annual market by 2050.
A new study reveals that the strength of carbon monoxide adsorption energy relies on a mix of reaction factors, including catalyst material and voltage. This insight can guide the design of more efficient catalysts to convert CO2 into useful fuels like methanol and ethanol.
Researchers at Kyushu University found that rising CO2 levels in the atmosphere may lead to disruptions in shortwave radio communications, including systems used for air traffic control and maritime communication. The ionosphere's cooling due to global warming causes a decrease in air density and accelerates wind circulation.
A team developed an artificial ocean carbon recycling system that captures CO2 from seawater and directly converts it into succinic acid, achieving a carbon capture efficiency of 70%. The system's cost is competitive with existing state-of-the-art technologies.
A new power generation system using liquid oxygen storage has been patented by SwRI and 8 Rivers, aiming to make power plants more efficient and cost-effective. The system utilizes fluctuations in energy demand by generating pure oxygen during off-peak hours, which can then be stored and used later when prices are higher.
Researchers at Tohoku University introduced a new approach for electrochemical carbon dioxide reduction using multilayer cobalt phthalocyanine/carbon core-shell structures. The study demonstrated a catalyst architecture that makes CO₂ conversion into carbon monoxide both stable and efficient.
A growing body of research links environmental pollutants to worsened health and shorter life spans in childhood cancer survivors. The study found that only 25% of pediatric oncology providers felt comfortable discussing environmental pollutant impacts with patients.
A new study found that land and ocean weathering processes are linked, influencing the amount of carbon stored or released into the atmosphere. The research proposes a continuum approach to studying weathering reactions on both land and in the ocean.
Converting waste carbon dioxide (CO2) and carbon monoxide (CO) into propanol offers a promising strategy for a sustainable energy future. Propanol has high energy density and is used in fuels, chemicals, and pharmaceuticals, making it an attractive target for green synthesis.
Researchers at King Abdullah University of Science and Technology (KAUST) have developed a system to convert captured carbon dioxide into industrial-grade ethylene, a crucial commodity in plastics, textiles, and construction. The innovation reduces energy costs by 0.8 gigajoules per metric ton compared to existing electrolysis systems.
A research team developed a photochemical strategy to realize heterolytic H2 dissociation using gold-loaded titanium dioxide as a model photocatalyst. The reaction was driven by electron-hole pairs formed upon UV irradiation, producing reactive H2 species that selectively reduced polar functional groups.
Insects rely on carbon dioxide emissions from host plants to identify ideal egg-laying sites. Rising atmospheric CO₂ levels interfere with this natural signal, leading to maladaptive choices that threaten insect survival. The study highlights the urgent need for both emissions reductions and innovative agricultural adaptation.
Researchers used SPARTAN network data to find black carbon concentrations in low- and middle-income areas across the Global South were grossly underestimated, with up to a two-fold underestimation. The study highlights the need for renewed attention to characterizing harmful black carbon in these regions.
Researchers developed nanosized, porous oxyhalide photocatalysts that achieve record performance in producing hydrogen from water and converting carbon dioxide to formic acid using sunlight. The breakthrough offers a scalable, eco-friendly approach to solar fuel production by carefully controlling particle size and structure.
A new study led by Harvard T.H. Chan School of Public Health found that increasing solar power generation in the US by 15% could lead to significant cuts in CO2 emissions. The researchers pinpointed regions where clean energy investments return the greatest climate dividends and demonstrated the value of coordinated clean energy efforts.
Researchers successfully converted CO2 from thermal power plant exhaust into formic acid and formamide using waste silicon wafers from discarded solar panels. The reaction produces high yields of these valuable organic chemicals, demonstrating the practicality of recycling materials to sequester greenhouse gases.
Researchers have developed a novel electrified catalysis strategy that removes more CO2 and CH4 from the atmosphere than it emits, resulting in net-negative greenhouse gas emissions. The process converts these compounds into syngas with an impressive energy utilization rate of 80%.
Teams developed a CO2 capture and conversion system that can handle a wide range of CO2 concentrations, even in the presence of oxygen. The system uses a zeolite adsorbent to rapidly adsorb CO2 and a separate catalytic reactor to convert it into a usable resource.
New research claims adding lime to agricultural soils can remove CO2 from the atmosphere, rather than cause emissions. The study, based on over 100 years of data, shows that the addition of acidity is the main driver for CO2 emissions from soils.
A team of researchers at Tohoku University's AIMR used machine learning potential to characterize Sn catalyst activity, identifying the most effective catalysts for CO2 reduction. The study provides novel insights into the behavior of Sn-based catalysts and could lead to more efficient fuel production.
Researchers discovered that young secondary forests, aged between 20 and 40 years, exhibit the highest rates of carbon removal – locking away up to eight times more carbon per hectare than newly regenerating forests. Protecting existing young secondary forests offers immediate substantial carbon removal benefits.
Researchers argue that nature-based solutions like restoring forests and ecosystems are necessary for achieving global climate goals. High-tech CDR methods can complement, not compete with, these natural approaches. A balanced approach is key to meeting the Paris Agreement's temperature goal in a sustainable manner.
A study combines DFT and machine learning to analyze a wide range of epoxides in CO₂ cycloaddition, identifying key molecular descriptors and predicting reactivity trends. The research aims to develop predictive catalyst and substrate design for optimized CO₂ fixation, contributing to greener chemical processes.
Researchers have developed metal-based Janus nanostructures that boost CO2 reduction via tandem electrocatalysis. These structures exhibit unique properties and mechanisms, enabling the generation of single-carbon and multi-carbon products.
Scientists at the University of Surrey have developed a breakthrough in eco-friendly batteries that store more energy and capture carbon dioxide. The new lithium-CO₂ 'breathing' batteries use a low-cost catalyst to overcome efficiency issues, potentially leading to widespread adoption and reducing emissions.
Researchers from Southwest Research Institute (SwRI) have set a new temperature record for testing materials in high-pressure environments. The team successfully achieved unprecedented conditions of 1,150 degrees Celsius at 300 bar using a modified autoclave setup.
Researchers have found new organisms that can capture carbon dioxide and clean pollutants from the environment. By exploring extremophiles in homes, scientists can gain insights into their unique characteristics and develop sustainable solutions.
Researchers have developed an innovative catalyst made from cobalt-nickel alloy encapsulated within ceramic material Sm2O3-doped CeO2 (SDC), achieving 90% energy efficiency and sustaining performance over 2,000 hours. The breakthrough could significantly reduce operating costs by 60-80% compared to existing technologies.
Biomass is crucial for Europe's ability to reach its climate targets, providing both energy and negative emissions. Excluding biomass from the European energy system would increase costs by 169 billion Euros per year.
A new study links climate change to higher concentrations of inorganic arsenic in paddy rice, potentially raising lifetime health risks for populations in Asia by 2050. The research suggests a higher incidence of lung, bladder, and skin cancer, as well as cardiovascular disease and diabetes.
Researchers developed a streamlined process for converting CO₂ into carbon monoxide with record-breaking efficiency, cutting down processing time from 24 hours to 15 minutes. The new method uses low-cost pigment-based catalysts and offers a promising pathway for carbon neutral energy production.
Researchers found two new types of gene clusters capable of producing large volumes of hydrogen in marine bacteria. The study suggests that the diversity in these clusters is related to speciation and ecological niches, with some species producing higher levels of hydrogen than others.
A new study led by Colorado State University found that agricultural nitrogen fertilizer is the primary cause of seasonal carbon cycle swings. This discovery adds to scientific understanding of the carbon cycle and could help inform climate change mitigation strategies.
A study by the Advanced Institute for Materials Research found that tin monoxide (SnO) electrocatalysts can produce both formic acid and carbon monoxide in significant amounts. The research team identified key structural changes that influence product distribution, providing insights into optimizing electrocatalyst performance.
Recent developments in bismuth-based catalysts for electrochemical CO2 reduction to formate highlight their potential as a promising strategy. Advances include the use of innovative synthesis techniques and engineering to attain high cathodic current densities.
Stanford researchers have developed a practical and low-cost method to remove atmospheric carbon dioxide from the air using common minerals. The new process, known as enhanced weathering, uses heat to transform silicates into materials that capture and store CO2, offering a potentially scalable solution to mitigate global warming.
Recent studies suggest that rising temperatures could disrupt the balance of Earth's climate by increasing plant water loss. In extreme heat, plants may lose too much water to conserve it, limiting photosynthesis and reducing their role as a carbon sink.
Research shows that global warming can benefit shark and ray populations due to increased temperatures and shallow water areas, while high CO2 levels have a detrimental effect. The study's findings suggest that conservation efforts are necessary to protect these species and their ecosystems.
Researchers discovered that skin-penetrating nematodes, like Strongyloides stercoralis, interact with human hosts through CO2-sensing pathways. The study found that infective larvae are repelled by CO2, while noninfective larvae and adults have a neutral reaction.
Researchers developed a method to extract CO2 from flue gases with as little as 5% concentration using a superactive nickel-copper catalyst. The process involves adjusting electrical potentials and electrolyte, allowing access to previously unusable CO2 sources.
Four Case School of Engineering faculty members, A. Bolu Ajiboye, Christine Duval, Burcu Gurkan, and Steve Majerus, received the Presidential Early Career Award for Scientists and Engineers from the US government. The award recognizes their exceptional talent, dedication, and impact in their respective research fields.
Researchers have developed a novel bioprocess that transforms carbon dioxide and electricity into single-cell protein, surpassing traditional sources like fish and soybean meal. The process produces a nutrient-rich food source with essential amino acids, offering a promising solution to global food security and climate challenges.
Researchers have successfully combined electrocatalysis and biocatalysis to produce methanol from carbon dioxide. The hybrid process uses enzymes to catalyze the final steps, achieving high selectivity and efficiency.
Researchers discover surface chemistry unlike other centaurs on Chiron, with carbon dioxide and methane gases in its coma. The findings provide insight into the creation of our Solar System's origins and the unique processes producing Chiron's surface composition.
A breakthrough in electrochemical CO2 reduction processes has been achieved through ligand engineering of copper nanoclusters. The study reveals that variations in intercluster interactions significantly impact the stability and selectivity of these nanoclusters, leading to more efficient carbon conversion technologies.
A German Research Foundation-funded project led by Stefan Mecking aims to quantify the biodegradation of polyethylene. The team develops methods to distinguish carbon dioxide from plastic and investigate factors influencing biodegradability, such as molecular structure and functional groups.