Improving Estimates of Sulfur, Nitrogen, and Ozone Total …
Atm. deposition of nitrogen and sulfur causes many deleterious effects on ecosystems including acidification and excess eutrophication. Assessments to support development …
Sulphur Nitrogen Mining
The phosphorus cycle (article) | Ecology | Khan Academy
Volcanic ash, aerosols, and mineral dust can also be significant phosphate sources, though phosphorus has no real gas phase, unlike other elements such as carbon, nitrogen, and sulfur. Phosphate compounds in the soil can be taken up by plants and, from there, transferred to animals that eat the plants.
Evaluation of the First Phase of Sulfur Dioxide and Nitrogen …
Electric power generating plants that use coal were among the key targets of Title IV of the 1990 Clean Air Act. Under the first phase of the act, 110 coal-fired electric power plants were required to reduce their sulfur dioxide emissions by 1995 and nitrogen oxide emissions by 1996. Phase 2 of the act requires even greater reduction of sulfur dioxide …
Active sulfur cycling in the terrestrial deep subsurface
Here we show that, even in the absence of hydrogeochemical evidence for sulfur and nitrogen transformation, an extensive sulfur cycle coupled to nitrate reduction can be unveiled by a combination ...
Enhancing perovskite solar cell performance through
The phthalocyanine ring's central hydrogen atoms are transferred dynamically from NP-SC 6-H 2 Pc and interact with the formamidinium lead iodide (FAPbI 3) perovskite through nitrogen-hydrogen bonding, resulting in α-FAPbI 3 perovskite formation and increasing the sulfur/nitrogen (S/N) passivation capability.
Vertically stratified methane, nitrogen and sulphur cycling …
Mangroves, one of the typical blue carbon ecosystems with the methane (CH 4) emission around 279.17 μmol m −2 day −1 on Earth [], have tremendous ecological importance in the global carbon (C), nitrogen (N) and sulphur (S) cycles.The metabolic function of biogeochemical cycling processes is determined by biotic (e.g. …
PHOTOS: Meet the Sulfur Miners in Java, Indonesia | TIME
Mining at Kawah Ijen officially began in 1968, and a state company is now running the mine. Luca Catalano Gonzaga—Witness Image Poniman, 35, breaks the sulfur slabs using a metal pole, Nov. 2, 2014.
The men who mine the 'Devil's gold'
Labourers at other sulphur-mining sites, such as Canada's oil sands, have better access to adequate protection. The miners of Ijen want to be the last generation to mine sulphur by hand here.
Photographs Show Sulfur Mining Tourism in Mount Ijen …
Mount Ijen's gorgeous vistas have captivated travelers for centuries, but in recent years, its sulfur mine has become a controversial tourist attraction. Thirty-six-year-old Hadis has been a ...
Achieving Nitrogen Dioxide Reductions in Mechanized Underground Mining
In addition, low sulphur content fuel must be used to prevent sulphate formation and subsequent catalyst deactivation. NO can also be oxidized to NO 2 in the DOC, ... Nitrogen dioxide levels in underground mining remain a concern for human health and safety, as well as regulatory compliance. While reductions are achievable from …
Sulfur Mining in Indonesia
Miners then break up the sulfur with metal pipes, haul the pieces out of the crater and carry them several miles to the weighing station. Typically, a miner will make several circuits in a day, carrying loads of 100-200 pounds each. The antiquated process of sulfur mining in Indonesia poses extreme health hazards and safety issues for the …
Mining And Refining: Sulfur | Hackaday
Nitrogen and sulfur were united in a shotgun marriage. There were actually many weapons present at the ceremony. ... These poor people mine sulfur in Kawah Ijen [1][2] (Ijen Crater) which is in a ...
Microbial sulfur metabolism and environmental implications
Microbial sulfur cycling is composed of both assimilatory and dissimilatory sulfur metabolisms (Fig. 2 A).A diverse range of microbial taxa capable of conversion of a variety of organic sulfur (e.g., Cysteine/Cys, Methionine/Met and dimethyl-sulfide/DMS) and inorganic sulfur (e.g., SO 4 2−, SO 3 2− and H 2 S) compounds play critical roles in …
Sulfur oxidation and reduction are coupled to nitrogen …
Here, we show that sulfur oxidation coupled to nitrogen fixation is a previously overlooked process providing nitrogen to coastal marine macrophytes. In this study, we recovered 239 metagenome-assembled genomes from a salt marsh dominated by the foundation plant Spartina alterniflora, including diazotrophic sulfate-reducing and …
Uptake patterns for nitrogen and sulfur source by aquatic …
This study reveals the key factors controlling plant isotope composition, and the use of nitrogen and sulfur isotope composition of aquatic plants can help quantify …
Coal and Air Pollution | Union of Concerned Scientists
Sulfur dioxide (SO2): Produced when the sulfur in coal reacts with oxygen, ... Nitrogen oxides (NOx): Nitrous oxides are visible as smog and irritate lung tissue, exacerbate asthma, and make people more susceptible to chronic respiratory diseases like pneumonia and influenza. In 2014, US coal power plants emitted more than 1.5 million …
Spatial variability of soil moisture in a mining subsidence …
The current study investigated the impact of coal mining on deep soil moisture from the perspective of the absolute value of soil moisture. A combined classical statistics and multi-dimensional geo-statistics approach was employed to analyze the temporal and spatial changes in soil moisture from 0 to 10 m in the mining face of the …
Research on the technology of uniformly injecting nitrogen …
Xiaonan Coal Mine is located in the southeastern parts of Diaobingshan City, covering a mine area of 23 km 2 and with a production capacity of 2.1 million t/a. The …
Sulfur shortage: A potential resource crisis looming as the …
The international community should consider supporting and regulating sulfur mining to minimize the impacts of the transition and also to avoid ... Removing the nitrogen bottleneck in the world's ...
Release of Sulfur and Nitrogen during Co-pyrolysis of Coal …
Sulfur (42.45 wt %, 900 °C) and nitrogen (73.23 wt %, 600 °C) were released from the mixed fuel during pyrolysis. The synergistic effect between corn straw …
Carbon Cycle, Nitrogen Cycle, Phosphorus and Sulphur …
Burning coal releases CO, CO 2, sulphur dioxide and oxides of nitrogen. Answer: d) 1, 2 and 3. Q. What can be the impact of excessive/inappropriate use of nitrogenous fertilisers in agriculture? ... phosphorus occurs in large amounts as a mineral in phosphate rocks and enters the cycle from erosion and mining activities.
Sulfur and nitrogen in the high-sulfur coals of the Late …
The chemical states of sulfur and nitrogen in high-sulfur coals were investigated via X-ray photoelectron spectroscopy (XPS). Twenty-five high-organic-sulfur coal samples of the Late Paleozoic from China were reported, fourteen of which were superhigh organic sulfur (SHOS) coals collected from southern China with organic …
An integrated analysis of air pollution from US coal-fired …
Wyoming is the leading US state in coal mining, all of it strip-mined. In 2020, Wyoming coal mines accounted for over 41% of total US coal production. The main coal production comes from the ten largest mines located in the Powder River Basin (PRB), with six ranked as the largest in the country. ... Sulfur dioxide (SO 2) and nitrogen oxides …
Microbial carbon, sulfur, iron, and nitrogen cycling linked to …
In this study, we present taxonomically resolved contributions to microbial carbon, sulfur, iron, and nitrogen cycling activity via gene expression including the previously unstudied deep layer...
Geochemical characteristics, origin and forms of sulphur …
Air pollution, water pollution, solid waste accumulation, deterioration in land quality, and deterioration of human health are a few of the negative consequences of coal mining. Carbon dioxide, nitrogen dioxide, and sulphur dioxide are the primary pollutants produced during the processes of coal processing and combustion.
A shift in sulfur-cycle manipulation from atmospheric
Sulfur is a fundamental nutritional requirement for all organisms, and critical for plant uptake of N 16,17,18.Crops have a range of S requirements. For example, canola, a major crop in the United ...
Coal
Mining techniques and combustion are both dangerous to miners and hazardous to the environment; however, coal accounts for about half of the electricity generation in the United States. ... Other Toxic Emissions Sulfur dioxide and nitrogen oxides are also released when coal is burned. These contribute to acid rain, smog, and …
Uptake patterns for nitrogen and sulfur source by aquatic
This study reveals the key factors controlling plant isotope composition, and the use of nitrogen and sulfur isotope composition of aquatic plants can help quantify the level of …
Sulfur metabolites that facilitate oceanic …
Unlike biologically available nitrogen and phosphorus, which are often at limiting concentrations in surface seawater, sulfur in the form of sulfate is plentiful and not considered to constrain ...
Coal as an energy source and its impacts on human health
Although coal is predominantly composed of carbon, there are many other constituents including sulfur, nitrogen, organometallic compounds, and minerals, that contribute to the formation of extremely toxic secondary compounds that come in contact with the atmosphere. ... Coal mine workers smoke and consume more alcohol than non …
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