Petrografski mineralen i khimichen sustav na vuglishcha i otpadni produkti ot tsentralna obogatitelna fabrika "Bobov Dol"; 2, Mineralen i khimichen sustav  [Petrographic, mineralogic and chemical composition of coal and waste products from the central treatment plant Bobov Dol; 2, Mineralogic and chemical composition]

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Alternate Title:Petrographic, mineralogic and chemical composition of coal and waste products from the central treatment plant Bobov Dol; 2, Mineralogic and chemical composition
Authors:Vasilev, Stanislav; Yosifova, Mariana; Vulcheva, Sevdalina
Author Affiliations:Primary:
BAN, Institut po Prilozhna Mineralogiya, Sofia, Bulgaria
Other:
Sofiyskiya Universitet, Bulgaria
Volume Title:Godishnik na Sofiyskiya Universitet Sv. Kliment Ohridski, Geologo-Geografski Fakultet. Kniga 1: Geologiya Annuaire de l'Université de Sofia. Faculté de Géologie et Géographie, Livre 1: Géologie
Source:Godishnik na Sofiyskiya Universitet Sv. Kliment Ohridski, Geologo-Geografski Fakultet. Kniga 1: Geologiya = Annuaire de l'Université de Sofia. Faculté de Géologie et Géographie, Livre 1: Géologie, Vol.87, p.103-123. Publisher: Sofijski Universitet, Geologo- Geografski Facultet, Sofia, Bulgaria. ISSN: 0324-0479
Publication Date:1995
Note:In Bulgarian with English summary. 20 refs.; illus., incl. 4 tables
Summary:Optical techniques, SEM, X-ray, spectral, NAA, chemical and other analyses have been used to characterize the mineralogical and chemical composition of coals and waste products - slime and host rock. The mineralogical composition is extremely variable and is represented mainly by quartz, kaolinite, illite, pyrite, marcasite, feldspar and minor gypsum, siderite, mica, magnetite, calcite and aragonite. Part of the trace elements found (Cu, Zn, As, Rb, Hf, U) are in overclarke contents and show selective trends of concentration in certain gravimetric, granulometric and magnetic fractions. [R.A.]
Subjects:Aragonite; Calcite; Carbonates; Chemical composition; Clay minerals; Coal; Framework silicates; Gypsum; Industrial waste; Mineral composition; Neutron activation analysis data; Oxides; Phase equilibria; Power plants; Quartz; Rutile; Sedimentary rocks; SEM data; Sheet silicates; Siderite; Silica minerals; Silicates; Spectra; Sulfates; Trace elements; Utilization; X-ray spectra; Bulgaria; Europe; Southern Europe; Bobov Dol; Organic residues
Abstract Numbers:97M/2177
Record ID:1997054011
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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