Results 101 to 110 of about 86,031 (227)

Evaluating Thallium Leaching from Fly Ash in Aquatic Systems [PDF]

open access: yes, 2012
To develop a fundamental understanding of how water chemistry and the physical and chemical properties of fly ash influence the release of thallium in natural and engineered aquatic systems I used leaching tests, graphite furnace atomic absorption ...
Czaplicki, Lauren
core  

Pengaruh Ukuran Fly Ash Pada Kekuatan Bending Komposit Resin Epoxy [PDF]

open access: yes, 2013
Fly ash is one of the solid waste generated by industries that use coal as a fuel for the production process. Fly ash contains silica or alumina silica that has no adhesive properties (cementation) to himself.
Ibrahim, G. A. (Gusri)   +2 more
core   +1 more source

Possibilities of utilization of fly ash from the black coal Power Engineering of the U. S. Steel Košice [PDF]

open access: yes, 2005
The paper presents modes of a direct utilization of the fly ash by-product of the combustion of black power coal in the slag - bottom boilers of the Division Plant Power Engineering ( DP PE ) of the U. S. Steel Košice ( next USSK ). The properties of fly
Františka Michalíková   +1 more
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Uji Mekanik Bata Ringan Berbahan Dasar Limbah Pengolahan Emas dengan Variasi Limbah Batu-bara dan Semen [PDF]

open access: yes, 2018
[Title: The Mechanical Test of Lightweight Brick Made from Gold Processing Waste with Variations in Coal and Cement Waste]. The purposes of this research are to make lightweight concrete using waste processing of gold with variation fly ash and cement ...
Pangga, D. (Dwi)   +2 more
core   +1 more source

Release of microspherolites and metals extraction from energetical fly ashes by Bacillus isolates [PDF]

open access: yesActa Montanistica Slovaca, 2000
The amorphous secondary silicate mineral components formed in the process of coal combustion dominate in the composition of energy fly-ash. Depending on the composition of coal concentrate, this secondary raw material source also contains the ...
Štyriaková Iveta, Kušnierová Mária
doaj  

Modelling the Contribution of 40K, 232Th and 226Ra to Radiation Dose and Risk from Airborne Discharges of Coal-Fired Power Plants [PDF]

open access: yes, 2014
Coal contains trace elements and naturally occurring radionuclides such as 40K, 232Th, 238U. When coal is burned, minerals, including most of the radionuclides, do not burn and concentrate in the ash several times in comparison with their content in ...
Carvalho, J. M. Valerio de   +4 more
core  

Failure characteristics and strength formation mechanism of cement-fly ash based cemented gangue backfill

open access: yesMeitan kexue jishu
In the process of constructional backfilling coal mining (CBCM), the demand for the strength of cemented gangue backfill (CGB) samples varies with different backfill rates. It is planned to adjust the strength of CGB samples by changing the proportion of
Xiaolei LI   +6 more
doaj   +1 more source

COAL FLY ASH IN ROAD CONSTRUCTION AND MAINTENANCE

open access: yesDorogi i mosti
Introduction. There is a general worldwide aspiration to increase the sustainability in every national economy branch, including road engineering. The growing use of various industrial by-products as economical and eco-friendly road construction and maintenance techniques can be observed in many countries.
László Gáspár, Zsolt Bencze
openaire   +1 more source

Glass Ceramics Composites Fabricated from Coal Fly Ash and Waste Glass [PDF]

open access: yes, 2014
Great quantities of coal ash are produced in thermal power plants which present a double problem to the society: economical and environmental. This waste is a result of burning of coal at temperatures between 1100-14500C.
Angusheva, Biljana   +3 more
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Pengaruh Kombinasi Fly Ash dan Bottom Ash sebagai Bahan Substitusi pada Campuran Beton terhadap Sifat Mekanis [PDF]

open access: yes, 2017
Fly ash and bottom ash were waste that generated from the power plant burning coal process. Fly ash and bottom ash has the potential to be developed as a basic ingredient in concrete composites.
Djauhari, Z. (Zulfikar)   +2 more
core  

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