Articles tagged with Mining Engineering
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Representative John Yarmuth receives the ESA Regional Policy Award for his advocacy on clean water, environmental stewardship, and climate change. The award recognizes his use of ecological science to inform policy decisions.
A German university-led research project is investigating and testing biological methods for remediating soils contaminated with metal. The goal is to find the best combination of fungi and trees to convert heavy metals into biominerals or remove them from the soil.
Researchers studying a $750,000 grant at the University of Illinois Chicago aim to understand how various mining dusts contribute to lung disease. They plan to collect dust samples and expose mice to different combinations to determine the most damaging mixtures.
Researchers created an empirical energy consumption model to estimate Bitcoin's power consumption and associated carbon emissions. The study found that Bitcoin's carbon footprint measures up to that of Kansas City, contributing to global climate change concerns.
Progressive massive fibrosis, a severe form of black lung disease, is increasing among coal miners, despite unknown causes. Analysis of lung tissue samples from 1996 to 2019 failed to detect an increase in silicotic PMF, suggesting alternative explanations for the trend
Research presented at ATS 2019 reveals that younger generations of coal miners are more susceptible to deaths from black lung disease and chronic obstructive pulmonary disease (COPD) compared to older generations. This trend suggests a potential increase in respiratory health risks among younger workers.
Researchers found elevated levels of lead in sediment cores from Utica, Tunisia, linked to tailings from lead-silver mining, which began around the middle of the 4th century BC. This discovery suggests that Carthage's North African territory provided a source of economic resilience during the Punic wars.
Kate Smits' team is working with residents and local universities to find environmentally-friendly solutions that respect ancestral ways of life. The goal is to make artisanal and small-scale gold mining safer, cleaner, and more sustainable.
Rosa Maria Rojas, a University of Arizona professor, has been awarded the Outstanding Young Professional Award by the Society for Mining, Metallurgy and Exploration. She is the first Peruvian to win the award, recognizing her significant contributions to the minerals industry.
Researchers have identified a matrix of 12 risk categories that consider environmental, social, governance and mineralogical factors affecting the viability and accessibility of complex copper orebodies. The study found that 75% of undeveloped copper orebodies face environmental, social and governance challenges.
New research reveals China's coal mining regulations have not reduced methane emissions, despite a goal to remove or convert 5.6 million metric tons of methane from mines by 2015. Methane emissions instead rose by about 1.1 million metric tons per year between 2010 and 2015.
A pilot program introducing safer mining practices reduced airborne lead levels by 95% and respirable silica dust by 80%, saving hundreds of children from lead poisoning. The project's success demonstrates the effectiveness of low-cost dust control measures in reducing hazardous exposures in artisanal small-scale mining communities.
A study found that mountaintop removal mining disproportionately alters the habitat of timber rattlesnakes, a docile reptile species. The mining operations destroy ridgelines and habitats, cutting into biodiversity.
Researchers tested flashing light deterrents to protect llama and alpaca herds from pumas and found them effective but not against Andean foxes. Surface coal mining was also shown to alter or eliminate rattlesnake habitats, while small ponds acted as carbon sinks with higher rates of organic carbon burial than many other terrestrial ha...
Scientists recommend measures to prevent environmental damage from seabed mining, including improved monitoring and protection of Marine Protected Areas. They suggest moving towards a circular economy that reduces demand for virgin minerals.
A new gold recycling method has been developed using pyridinethiols and hydrogen peroxide, allowing for efficient extraction of gold from electronic waste. The process produces a stable cationic gold-containing product in organic solution, with nearly quantitative dissolution of gold after 20 minutes.
A recent study by Clark University researchers reveals that tropical forests are under threat from massive infrastructure projects and resource extraction. The study highlights the urgent need for policy-making that protects forests and communities from corruption and human rights abuses.
A new study by KU Leuven reveals the hidden costs of cobalt mining in the Democratic Republic of Congo, including high levels of cobalt in children's urine and increased DNA damage. The research highlights the need for sustainable cobalt mining practices to mitigate environmental and health impacts.
A new web-based mapping tool shows the land laid bare by mountaintop coal mining in central Appalachia each year, going back more than three decades. The tool estimates that between 1985 and 2015, an average of 21,000 acres was converted to bare earth and rubble annually.
A team of biologists has discovered a new species of venomous snake, the Weipa bandy-bandy, in Australia. The snake's habitat is being threatened by bauxite mining, which may put it at risk of extinction.
A new study analyzing MSHA data found that mines that comply with health regulations experience a substantially lower number of lung diseases over time. The majority of cases originated in the Appalachian region, where coal mines were 16-17.8 times more likely to report a lung disease diagnosis.
The fifth Act 54 five-year report assesses the impact of long-wall, room-and-pillar, and retreat mining methods on surface structures and water resources. The study provides vital information for environmental remediation and restoration efforts in Pennsylvania.
A new study found that coal mining significantly reduces aquatic species abundance and richness in US streams. Despite regulations, mining continues to harm biodiversity, with some watersheds facing irreversible declines.
Researchers at Stockholm University have discovered a moss that can rapidly remove arsenic from contaminated water, making it safe for human consumption. The aquatic moss Warnstofia fluitans can absorb up to 80% of arsenic in just one hour.
Researchers developed a gravity separation process to cleanly lift organic resins from inorganic fibreglass, making it possible to recycle non-metal parts of cellphones. The process has the potential to create raw materials for construction and insulation.
A new study reveals that the majority of mining-related injuries and illnesses in Illinois go unreported to the federal agency responsible for tracking these events. Researchers found that only 34% of cases were captured by the Part 50 program, highlighting the need for improved reporting rates.
A Duke University-led study has found dangerous levels of mercury and methylmercury near artisanal gold mines in Senegal, contaminating soils, sediments, and rivers. Mercury poisoning can cause various health impacts, including tremors, muscle weakness, and birth defects.
A new study warns of long-lasting consequences from seabed mining, which could destroy deep-sea ecosystems and affect marine life globally. The research highlights the need for precautions and alternative approaches to mitigate potential harm.
The United Nations report emphasizes the need for mining companies to prioritize safety over economic considerations in managing mine waste. The report's recommendations include improving tailings dam government regulation and exploring alternative solutions to building massive dams that can cause devastating environmental damage.
A comprehensive study found that mining operations in Brazil are destroying a significant portion of the Amazon forest, with 90% of deforestation occurring outside mine lease boundaries. The research suggests that mining is now a substantial cause of Amazon forest loss, warranting action.
A new study by University of Wyoming researchers finds that mountaintop-removal coal mining in Appalachia degrades water quality and causes dramatic increases in salinity, leading to more perennial streamflows. The study's findings have significant implications for the region's ecosystem and future environmental changes.
Researchers found that up to 89% of uranium in Wyoming's roll front deposits is non-crystalline and bound to organic matter, contradicting conventional wisdom. This biogenic uranium has implications for environmental remediation and mining practices.
A study suggests that exposure to trace metals from potatoes grown in soil irrigated with waters from the Potosi mining region in Bolivia may pose a potential health risk. The study found high hazard quotients for arsenic and cadmium, indicating a significant risk of non-cancer health illnesses, particularly among children.
An international team has demonstrated that mineral resources are sufficient to meet growing demand, contradicting claims of exhaustion. The report highlights the need for responsible mining practices and continued research to minimize environmental impact.
Researchers use seismic data acquisition and multi-attribute processing to locate hazardous underground voids left behind by coal mining in Wyoming. The integrated techniques help identify size, orientation, and shape of mining voids, ensuring rapid remediation efforts.
Researchers identify 208 minerals formed due to human activities, bolstering the argument for a new geological time interval. The vast majority of these minerals originated through mining and human industry since the mid-1700s, underscoring the immense impact of human activities on Earth's mineral diversity.
Researchers are discovering new, eco-friendly catalysts in unexpected places, such as earthworm powder and plants that absorb high levels of metals from soil and water. This shift could reduce traditional animal and plant sources, decrease mining waste, and create more sustainable production methods for medicines, fuels, and electronics.
Robert W. Nairn, OU professor and pioneer in wetland technologies, receives the prestigious William T. Plass Award for his work in rehabilitating contaminated water at the Tar Creek Superfund site.
Researchers at UBC's Okanagan campus have identified three types of sulphur oxidizing bacteria and two types of iron-oxidizing microbes that contribute to acid-rock drainage. The study aims to develop a new method of managing mining waste by returning it to its natural state without ponds or caps.
New UQ research enables ultra-precise measurements of movement and gravity, benefiting industries like mining and environmental hydrology. The technique improves sensitivity of measurement devices and tracks water movement, glaciers and polar ice caps.
Researchers at Duke University found that 40 years of mountaintop coal mining has made parts of Central Appalachia 40% flatter than before excavation. The study suggests that this change could lead to increased water quality issues due to the creation of valley fills and changes in water movement.
A Dartmouth-led study using a 600-year-old ice core shows that global mercury pollution increased dramatically during the 20th century, but declined faster than previously thought after emissions started to decrease in the late 1970s. The study suggests present-day efforts to cut mercury emissions will reduce pollution more quickly tha...
New research reveals that mining pollution has led to a significant reduction in the genetic diversity of brown trout populations in southwest England. The study found that these fish have adapted to live in water with high levels of metal contaminants, but this adaptation comes at the cost of reduced genetic variation.
The new system dynamic model supports investment decision-making and optimizes production guidance in mining investments. The model has already sparked interest among international mining companies.
Texas-based Shackleton Energy Company plans to mine lunar water ice and convert it into rocket propellant, with Moon Express also interested in using the resource as fuel. Meanwhile, China is making headway in mining rare-earth elements on the Moon, sparking interest in establishing a human settlement.
Researchers have found hazardous levels of mercury hundreds of miles downstream from Peruvian gold mines, contaminating local soil, sediment, and water resources. The study highlights the widespread impact of artisanal small-scale gold mining on human health and the environment.
Researchers have found that green walls are suitable for absorbing environmental noise and acting as acoustic insulation, improving life quality and reducing pollution. The study also shows that green walls can be effective in high and low frequencies, making them a potential solution for acoustic insulation.
Scientists have installed a degasing pipe in the Guadiana pit lake to remove extremely high concentrations of dissolved carbon dioxide. The system uses buoyancy to drive the flow and release gas to the atmosphere, reducing the risk of human exposure to deadly CO2 levels.
A Michigan State University study found that mining can damage fish habitats miles downstream and even in streams not directly connected to the mine. The research suggests that mines are a regional stress on stream fish assemblages, affecting downstream communities.
A recent study using LiDAR technology has uncovered the ancient Roman goldmines in Spain, including channels, reservoirs, and a double river diversion. The findings provide new insights into the labour-intensive extraction process and highlight the importance of geo-archaeology in understanding Roman mining techniques.
The construction of the Upamayo Dam in Peru's central Andes led to the discharge of Río San Juan waters into Lake Junín, causing widespread contamination with heavy metals. Climate change and mining activities have exacerbated this environmental disaster, highlighting the need for sustainable hydroelectric practices.
The deep sea provides numerous benefits to society, including acting as a greenhouse gas sink, regenerating nutrients, and fueling the marine food web. However, rapid exploitation of its resources poses significant threats to its habitat and global impact, necessitating a global effort to protect and manage these vast habitats.
The WPI Metal Processing Institute will contribute its expertise in lightweight metal casting and heat treatment to a new $148 million national manufacturing initiative. The initiative aims to create over 10,000 new metals manufacturing jobs and spur innovative research and development in lightweight metals processing.
Researchers at University of Eastern Finland developed a new method to remove uranium and other heavy metals from water using a solid material that collects metal ions directly from the solution. The CH Collector method is efficient, selective, and can recover even small amounts of metal without adjustments to the solution's pH.
A new study mapping gold mining in the Peruvian Amazon reveals a 400% increase in mining extent from 1999 to 2012 and tripled average annual rate of forest loss. The research used satellite monitoring and field surveys to detect small-scale mining operations, confirming up to 94% accuracy.
A study found that people living in areas with mountaintop coal mining face an increased risk of major depression. The research explored the relationship between environmental degradation and psychological health, highlighting the importance of nature for human wellbeing.
A new study calculates the environmental cost of a ton of mountaintop coal, finding that it pollutes 2,300km of Appalachian streams and loses 193g of carbon sequestration potential. This translates to a staggering 5,000 years for reclaimed mine land to capture equivalent CO2.
Researchers from Monash University have compiled and analyzed worldwide copper resources, finding existing supplies can meet growing demand for a long time. The extensive database provides detailed information on ore grades, allowing for more informed geological exploration and improved industry practices.
Researchers found at least 759 seismic events before the mine collapse and 569 aftershocks, with some evidence of up to 1,022 seismic events and 1,167 aftershocks, indicating a larger collapse area extending to the west end of the mine
Scientists have developed a cheap and quick method to detect mercury contamination in water using a mobile phone. The technique involves placing a special sheet in the water, which changes color in the presence of mercury. Photographing the sheet with a mobile phone can even quantify the concentration of mercury.