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Journal Article
Published: 13 March 2021
Quarterly Journal of Engineering Geology and Hydrogeology (2021) 54 (4): qjegh2020-142.
...E. Ramanjaneya Raju; B. R. Phanikumar; M. Heeralal Abstract This note presents the effect of lime, cement, fly ash and ground granulated blast furnace slag (GGBS) on free swell index (FSI), liquid limit (LL), plasticity index (PI), compaction characteristics, hydraulic conductivity ( k...
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Journal Article
Published: 01 February 2021
Italian Journal of Geosciences (2021) 140 (1): 108–120.
...Redi Muci; Klodian Skrame; Oltion Fociro; Marco Mancini; Iolanda Gaudiosi; Maurizio Simionato ABSTRACT The study analyses the effects of two chemical agents – cement and fly ash – in changing the swelling potential and the strength parameters of an expansive clay soil collected from Currila area...
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Journal Article
Journal: Geology
Published: 19 August 2020
Geology (2020) 48 (12): 1205–1209.
... Detailed textural analyses of pyroclasts have led to significant advancement in the understanding of eruptive conditions and volcanic processes (e.g., tube pumice [ Wright et al., 2006 ; Dingwell et al., 2016 ], volcanic bombs [ Wright et al., 2007 ], obsidian fragments [ Gardner et al., 2017 ], and ash...
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Journal Article
Published: 21 April 2020
Geochemistry: Exploration, Environment, Analysis (2020) 20 (3): 381–398.
...Afieh Tatar; Masood Alipour-Asll Abstract The Tazareh mine in the eastern Alborz coalfield is one of the most important coal-producing areas in Iran and contains medium volatile (19.1–31.5%), low sulfur (0.015–0.491%) and variable ash yield (3–31.5%) bituminous coal. In this research, a total of 21...
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Journal Article
Journal: Clay Minerals
Published: 03 February 2020
Clay Minerals (2020) 55 (1): 40–47.
...Natalia Czuma; Rafał Panek; Paweł Baran; Katarzyna Zarębska Abstract Fly ash zeolites are economically and ecologically attractive alternatives to synthetic and natural zeolites. Their use as sulfur dioxide sorbents is one of the possible applications of these materials. During the process of fly...
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Journal Article
Published: 01 March 2019
European Journal of Mineralogy (2019) 31 (2): 301–312.
... into brick raw mixtures. In this paper, the effects of three additives on the clay mixture and the fired bricks have been studied. Clayey soil from Jun (Granada, Spain) was combined with fly-ash, household glass and spent beer grain in manually made bricks fired at 800 °C, 950 °C and 1100 °C. Differences...
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Journal Article
Published: 01 December 2016
Clays and Clay Minerals (2016) 64 (6): 695–705.
... separation, and low cost, a novel dye adsorbent was prepared by activating fly ash with NaOH. The adsorbent morphology, structure, and specific surface area were characterized using scanning electron microscopy, X-ray powder diffraction, and surface area measurements using N 2 adsorption-desorption...
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Journal Article
Published: 01 October 2016
Clays and Clay Minerals (2016) 64 (5): 552–559.
...Pingqiang Gao; Yan Zhang; Lin Zhao Abstract Development of an effective sorbent for diesel fuel spill remediation remains an important challenge in the field of synthesis due to the potential capacity of sorbents to efficiently purify contaminated sites. Fly ash, a coal combustion by-product...
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Journal Article
Published: 01 July 2016
American Mineralogist (2016) 101 (7): 1584–1595.
...Laurence A.J. Garvie Abstract This study describes the wood chemistry and ash mineralogy of the desert tree Parkinsonia microphylla (Torr.) and follows the mineralogical effects of natural and laboratory aging and weathering. Ash was collected in the field (field ash) following a wildfire east...
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Series: Geological Society, London, Special Publications
Published: 01 January 2016
DOI: 10.1144/SP416.14
EISBN: 9781862397187
... typically with spherical shape (spherules) were also distinguished: aluminosilicate (two subtypes), carbonaceous, and iron-rich fly-ash. The appearance of gypsum crystallites around the particulate matter in association with all spherule types suggests that the particulate matter greatly contributes...
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Journal Article
Published: 01 December 2015
Journal of Environmental and Engineering Geophysics (2015) 20 (4): 319–335.
... manage environmental impacts associated with runoff holding ponds. Email: bryan.woodbury@ars.usda.gov ; roger.eigenberg@ars.usda.gov ; tfranz2@unl.edu Copyright © 2015, EEGS 2015 Runoff holding ponds are used to store a variety of liquids including drilling waste, coal ash slurry...
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Journal Article
Published: 08 May 2015
Geochemistry: Exploration, Environment, Analysis (2015) 15 (4): 293–318.
...R. Zinkutė; I. Baužienė; K. Dilys; J. Mažeika; J. Taminskas; R. Taraškevičius Abstract Two Lithuanian c . 50-cm long peat cores from ombrotrophic bogs were analysed, namely, Rėkyva near Šiauliai and Žudiškės near Vilnius. Ash content, bulk density, chemical element concentrations determined...
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Journal Article
Published: 01 April 2015
Vadose Zone Journal (2015) 14 (4): vzj2014.08.0103.
...Ricardo Medina; G.B. Menezes; C.S. Khachikian; A. Ellis Abstract This study investigated the direct effect of fly ash used as a soil amendment on anion exclusion in NO 3 − transport in a variably saturated soil. A sandy clay soil was amended with Class F fly ash (FA) at four levels: 0, 2, 10...
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Journal Article
Journal: Clay Minerals
Published: 01 March 2015
Clay Minerals (2015) 50 (1): 31–40.
...) derived from coal fly ash was carried out. This material was characterized by X-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy, X-ray fluorescence and nitrogen adsorption/desorption before being evaluated for mercury removal from exhaust gas. After preliminary mercury...
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Journal Article
Published: 01 November 2014
Environmental and Engineering Geoscience (2014) 20 (4): 371–391.
... ratio and the shear strength was evaluated. Improvements to the monitoring program are also proposed. Mine tailings and fly ash are frequently stored in retention ponds and accumulate behind tailings dams. A number of tailings dams have been built in China. Because the tailings contain many toxic...
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Journal Article
Journal: Geology
Published: 01 October 2014
Geology (2014) 42 (10): 879–882.
... basalt-coal interaction during the extensive Siberian Traps (Russia) eruptions. Observations of organic matter interpreted to be coal combustion products (fly ash) in latest Permian marine sediments have been used to support this hypothesis. However, this interpretation is dependent upon vesicular chars...
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Journal Article
Published: 24 January 2014
Quarterly Journal of Engineering Geology and Hydrogeology (2014) 47 (1): 101–109.
... and fly ash (FA) on the unit weight and strength of lightweight cemented clay are presented and analysed. FA decreases the liquid limit and the plasticity index of the lightweight cemented clay. Consequently, it improves the unit weight, strength and workability of the lightweight cemented clay...
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Journal Article
Published: 01 February 2013
Environmental and Engineering Geoscience (2013) 19 (1): 85–94.
...BOTAO LIN; AMY B CERATO; ANDREW S MADDEN; MEGAN E ELWOOD MADDEN Abstract Two expansive soils were studied from a microscopic point of view to better understand the physicochemical, mineralogical, and microstructural changes that occur during Class C Fly Ash (CFA) stabilization. These changes were...
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Journal Article
Published: 01 January 2013
Reviews in Mineralogy and Geochemistry (2013) 77 (1): 305–360.
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Journal Article
Journal: Clay Minerals
Published: 01 June 2011
Clay Minerals (2011) 46 (2): 213–223.
...V. Lilkov; I. Rostovsky; O. Petrov Abstract Cement mortars and concretes incorporating clinoptilolite, silica fume and fly ash were investigated for changes in their physical and mechanical properties. It was found that additions of 10% clinoptilolite and 10% Pozzolite (1:1 mixture of silica fume...
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