Results 111 to 120 of about 86,031 (227)

Experimental study on the characteristics of fly ash colloid containing XG/HPMC to inhibit coal spontaneous combustion

open access: yesMeikuang Anquan
Fly ash grouting is a common method for mine fire prevention and control. Aiming at the problems of fly ash slurry which is prone to water-loss cracking, poor stability and low fire prevention efficiency, fly ash colloids were prepared by adding high ...
Hui WANG   +4 more
doaj   +1 more source

Possibilities of using of ultra fine content of fly ash from clasical coal combustion [PDF]

open access: yes, 2015
Tato práce se zabývá studiem vysoce jemných podílů popílků z klasického spalování uhlí. Soustřeďuje se hlavně na zjištění vlastností stanovovaných popílků – pucolánové aktivity, chemického složení, distribuce velikosti částic a měrného povrchu.
Havelka, Jaroslav
core  

Ecological and economical expediency of extraction of valuable components from South-African thermal power stations' fly ash [PDF]

open access: yes, 2017
The possibility of extraction of valuable components (magnetic fraction, unburned coal, floating microspheres) from the fly ash, produced by three South-African thermal power stations, in order to use them in different sectors of industry is considered ...
Желнорович, В. А.   +1 more
core  

Utilization of coal fly ash

open access: yes, 1992
CIVINS (Civilian Institutions) Thesis document Coal-fired power plants produce approximately 80 million tons of fly ash each year. Efforts to use fly ash have reached only a twenty to thirty percent reutilization rate. A literature review was performed to provide a consensus of the available information regarding fly ash.
openaire   +1 more source

Dry Sliding Wear Response of Fly Ash Filled Poly-Ether-Ether-Ketone Composites [PDF]

open access: yes, 2011
This paper reports the development and wear performance evaluation of a new class of poly-ether-ether-ketone (PEEK) based composites filled with fly ash, an industrial waste. Fly ash is generated in large amounts from furnaces in coal based thermal power
Sahoo, Alok Kumar
core  

SURFACE MODIFICATION OF FLY ASH FROM ASAM-ASAM COAL POWER PLANT USING STEARIC ACID AS HYDROPHOBIC INORGANIC MATERIAL

open access: yesJurnal Kimia Riset
Abundant coal reserves make this material a substitute fuel choice, especially for industry. The use of coal carries a high risk due to incomplete combustion and produces fly ash products. Fly ash cause pollution and health risks as well as environmental
Tety Wahyuningsih Manurung   +5 more
doaj   +1 more source

Pengaruh Penambahan Limbah Padat Abu Terbang Batubara(fly Ash) Terhadap Kekuatan Tekan Dan Porositas Genteng Tanah Liat Kabupaten Pringsewu [PDF]

open access: yes, 2013
Fly ash, chemicallyis analumino-silicamineral containing Ca, K, and Na elements, fly ash has amoderate to high bonding capacity characteristic , and has acement-forming properties.
Febriyansyah, P. (Puji)   +2 more
core  

Optimization of the synthesis conditions of zeolite adsorbents derived from coal fly ash and study on their adsorption performance on benzene

open access: yes能源环境保护
Zeolite adsorbents were synthesized through an alkali fusion-hydrothermal process, using coal fly ash as a raw material. Firstly, the coal fly ash was mixed with sodium hydroxide at a mass ratio of 1∶1.2 and then roasted at 850 ℃ for 2 h to obtain the ...
Zhuo CHEN   +7 more
doaj   +1 more source

Development of durable “green” concrete exposed to deicing chemicals via synergistic use of locally available recycled materials and multi-scale modifiers [PDF]

open access: yes, 2018
From the economic and social perspectives, the use of waste materials would not be attractive until their costs and quality can satisfy the construction requirements.
Cui, Na, Xie, Ning
core  

Corrosion of coal fly ash glass

open access: yes, 2019
The increasing production of coal fly ash waste from thermal power plants has compounded environmental and economical problems worldwide. Considerable research has been undertaken because of the environmental problems presented by the fly ash. The goal is to produce usable material from waste. The aim of this papier is to produce glass from fly ash and
Savić, Veljko   +6 more
openaire   +1 more source

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