Concentration of trace elements in coal | Coke and …
Trace elements are standard indicators of coal quality. Their distribution in coal is determined by means of the petrographic composition and ash content. However, despite extensive research, the dependence of the trace-element concentrations on these parameters has not been established. Physicochemical functions that relate the trace …
Concentration of Trace Elements in Coal Beds
83 Chapter 4: Concentration of Trace Elements in Coal Beds mine exposures, except at seven locations where samples were taken from either run of mine, or specific grades of processed coal.
Trace elements in coal | Biological Trace Element Research
Trace elements can have profound adverse effects on the health of people burning coal in homes or living near coal deposits, coal mines, and coal-burning power plants. Trace elements such as arsenic emitted from coal-burning power plants in Europe and Asia have been shown to cause severe health problems. Perhaps the most widespread health …
Geochemical characteristics of hazardous trace elements in the coal
A total of 283 coal and parting samples were taken from the Pingshuo mine district, Ningwu coalfield, China. The contents, distribution and enrichment mechanism of 12 hazardous trace elements were studied. The results indicate that Co, Ni, Zn, Cu, Ag and Cr have the chalcophile affinity; Ba, Cd, U are related with clay mineral; Mn is mainly related with …
Trace elements in coal: Associations with coal and minerals …
Slemr and Langer [32] pointed out an increase in the concentration of Hg (1.46%) in the Northern Hemisphere due to a rising trend in coal consumption (2.1%) …
Trace Elements in Coal Gangue: A Review | IntechOpen
Coal gangue is one of the largest industrial residues. It has high ash content, low carbonaceous content, and heating value. Meanwhile, it has some trace elements. Large quantities of coal gangue cause serious environmental problems by polluting the air, water, and soil as well as occupying a tremendous amount of land. …
(PDF) Trace and Minor Elements in Coal
The modes of occurrence of elements in coal and coal-bearing strata to a large extent determines the behavior of the elements during coal combustion, beneficiation, conversion, weathering ...
Trace elements in coal (Book)
Title: Trace elements in coal. Trace elements in coal. Book · Tue Jan 01 00:00:00 EST 1985. OSTI ID: 6255073. Valkovic, V V. These volumes present information on the …
Field study of trace elements behavior in coal-fired power …
@misc{etde_6251856, title = {Field study of trace elements behavior in coal-fired power plants} author = {Yokoyama, T, Asakura, K, and Seki, T} abstractNote = {Field study on trace elements (Al, As, B, Be, Ca, Cd, Cl, Co, Cr, Cu, F, Fe, Hg, Mg, Mn, Mo, Ni, Pb, Sb, Se, Si, V, Zn, BaP) behaviour has been carried out at three coal-fired …
Determination of Trace Elements in Coal, Coke, and …
Elements in Ash and Trace Elements of Coal. Current edition approved April 1, 2011. Published April 2011. Originally published in 1996. Last previous edition approved in 2004 as D6357 - 04. DOI: 10.1520/D6357-11. 2 For referenced ASTM standards, visit the ASTM website,, or
Trace elements in coal: occurrence and distribution. Final report…
The report gives results of chemical analyses of whole coal samples, bench samples (vertical), and washed coal samples. Most of the samples were from the Illinois Basin, but other U.S. coal producing areas are also represented. In addition to the standard analyses of coal parameters, approximately 60 elements were also analyzed.
Trace elements in coal : Valković, V : Free Download, …
Trace elements in coal by Valković, V. Publication date 1983 Topics Coal -- Analysis, Trace elements -- Analysis Publisher Boca Raton, Fla. : CRC Press Collection internetarchivebooks; inlibrary; printdisabled Contributor Internet Archive Language English Volume 1 Item Size
Geochemistry and multivariate statistical evaluation of …
The Cretaceous Mamu Formation coal samples located within the Northern Anambra Basin were collected, analysed and interpreted using multivariate statistical approach to determine the major, trace and rare elements association with a view to determine the source of the terrestrial rocks, palaeoweathering/climatic conditions and …
Trace elements emission from coal-fired power stations in …
Conference: Trace elements emission from coal-fired power stations in MexicoTrace elements emission from coal-fired power stations in Mexico
Trace Elements in Coal
The book first discusses the origin of trace elements in coal. The formation of peat; geological and geochemical aspects of coal seams; geology of Australian coals; constitution of coal; history of trace …
Trace elements in coal and their behaviour during …
(Keywords: coal; trace elements; combustion) The growing interest in mineral matter and trace elements in coal largely stems from environmental standards …
Environmental aspects of trace elements in coal combustion
During coal formation, many trace elements are accumulated with respect to mean crust and mean soil, which may impose environmental hazards in coal combustion. This review tries to combine available data from chemical technology, geochemistry and analytical chemistry in order to overlook the fate of trace elements in …
Fly ash from a Mexican mineral coal I: Mineralogical and …
The physicochemical properties of fly ash coming from the "Jose Lopez Portillo" coal-fired power plant, Coahuila, Mexico (MFA), are presented in this work. A detailed study of trace elements, the chemical composition of the amorphous phase, …
Homology and heterogeneity of soil trace elements of coal …
Coal power activities could cause regional fluctuations of trace elements, but the distribution information of these trace elements in arid and semi-arid areas is insufficient. In this study, the soil trace elements (As, B, Be, Cd, Co, Cr, Cu, Fe, Ga, Ge, Mn, Mo, Ni, Pb, Sb, Sn, Sr, Ti, Tl, and Zn) of Ningdong Coal Power Production Base in …
Trace elements affect methanogenic activity and …
in coal bed basins is influenced by trace elements. Two geochem-ical investigations of trace element chemistry across the PRB in Wyoming did not find consistent trends of trace element concen-trations in CBM production waters (McBeth et al., 2003; Jackson and Reddy, 2007). The aim of this study was to investigate the effect of trace ele-
Selective trace elements significantly enhanced methane …
Trace elements are associated with the microbial degradation of organic matter and methanogenesis, as enzymes in metabolic pathways often employ trace elements as essential cofactors. ... Selective trace elements significantly enhanced methane production in coal bed methane systems by stimulating microbial activity …
SHORT COURSE C Modes of Occurrence of Trace …
Impact of Trace Metals Understanding of trace-metal distribution is needed to: • Develop models for power plant emissions. • Predict coal behavior upon cleaning. • Control release of metals from coal and coal combustion materials to ground water. • Minimize health consequences of coal use in domestic settings.
The release of trace elements in the process of coal coking
In order to assess the penetration of individual trace elements into the air through their release in the coal coking process, it is necessary to determine the loss of these elements by comparing their contents in the charge coal and in coke obtained. The present research covered four coke oven batt …
Modes of occurrence of trace elements in coal
phosphates (PHOS). Table 2 in Querol and others' (1999) report shows more details of the density fractions used for each coal. Querol and others (2000) later modified their …
MODES OF OCCURRENCE OF ENVIRONMENTALLY· …
27 Antimony was one of only 8 elements that exhibited volatility (10 to 200/0) when 10 coal samples were heated to 550°C (Finkelman et al., 1990).
Trace Elements in Coal
Intended as a concise yet comprehensive reference for specialists. Encompasses all aspects of trace elements in coal, drawing on a wide array of scientific and industrial literature. Much of the information is from the past decade, reflecting the upsurge of interest in most countries where coal is produced or used, and the growing concern over the …
Trace Elements in Coal
Trace Elements in Coal focuses on the compositions, reactions, and properties of trace elements in coal. The book first discusses the origin of trace elements in coal. The formation of peat; geological and geochemical aspects of coal seams; geology of Australian coals; constitution of coal; history of trace elements in coal; and coal …
Trace elements in two pulverized coal-fired power stations
Beside major pollutants (particulates, carbon, sulfur, and nitrogen oxides), coal combustion generates emissions of potentially toxic trace elements. The current work focuses on predicting the fate of eight trace elements (As, Cd, Hg, Ni, Pb, Se, V, and Zn) in power stations that fire pulverized coa …
(PDF) Trace Elements in Coal, Coal Combustion Products …
The concentrations of trace elements were determined in coal, fly ashes from baghouse and cyclone filter, and bottom ash from the Figueira thermal power plant (FPP) by a neutron activation ...
Trace element emissions from coal
2 Trace elements in coal and biomass Trace element emissions from coal 7 Coal, as the most abundant fossil fuel, accounts for ~40% of the electricity produced throughout the …