Results 21 to 30 of about 6,217,471 (191)

Study on water content and dynamic mechanical properties of fly ash concrete under water confining pressure

open access: yesShuili Shuiyun Gongcheng Xuebao, 2020
In order to study the effect of fly ash on the water content and dynamic mechanical properties of concrete under water confining pressure, different concrete test specimens (F00, F20, F40) with fly ash contents of 0%, 20% and 40% were made.
LIANG Jia   +3 more
doaj   +1 more source

The Influence of the Long-Term Outdoor Storage of Rockrose (Cistus laurifolius L.) Shrub Biomass on Biofuel’s Quality, Pre-Treatment and Combustion Processes

open access: yesBiology, 2023
Biomass storage is an essential requirement in the supply chain of bio-refineries and power plants. This research aims to evaluate the influence of long-term outdoor storage (1 year) of baled rockrose (Cistus laurifolius L.) shrub biomass on biofuel’s ...
Raquel Bados   +7 more
doaj   +1 more source

The compressive strength of fly ash concrete and its mineralogy [PDF]

open access: yes, 1994
Includes bibliographical references.The use of fly ash as a cement extender in portland cement concrete is well established. Strict requirements are set for the fly ash on its physical properties and chemical composition to ensme its successful ...
Gogol, Volker R
core   +1 more source

UTILIZATION OF COAL BOTTOM ASH AS BRIQUETTE MATERIAL

open access: yesSpektra: Jurnal Fisika dan Aplikasinya, 2019
Research has been carried out on the use of coal bottom ash as a material for making briquettes as an alternative fuel. Carbonized of rubber seed shells and Halaban wood were used as mixtures and tapioca flour as adhesives. The composition used in making
Ninis Hadi Haryanti   +3 more
doaj   +1 more source

Thermophysical Properties and Elemental Composition of Black Locust, Poplar and Willow Biomass

open access: yesEnergies, 2022
Biomass is currently the main renewable energy source (RES) in the EU, particularly in Poland. Solid biomass for energy purposes is primarily sourced from forests, the wood processing industry, and agriculture.
Paweł Stachowicz   +1 more
doaj   +1 more source

The Ash Content of Drugs [PDF]

open access: yesThe Journal of the American Pharmaceutical Association (1912), 1912
n ...
openaire   +1 more source

Effect of water-to-binder ratio and fly ash content on the mechanical and deformation properties of bendable concrete [PDF]

open access: yesE3S Web of Conferences, 2021
To investigate the effect of water-to-binder ratio and fly ash content on the properties of bendable concrete, we prepared four samples of different strength grades with water-to-binder ratios of 0.25 and 0.30 and fly ash contents of 60% and 80%.
Du Jg   +7 more
doaj   +1 more source

Qualitative and chemical characteristics of mineral matter in the selected lignite deposits in light of their suitability for clean coal technologies

open access: yesE3S Web of Conferences, 2016
An analysis of the variability of ash content and chemical composition of coal ash is crucial when assessing the possibility of using this raw material in clean coal technologies (CCS).
Bielowicz Barbara
doaj   +1 more source

Experimental Investigations of the Ignitability of Several Coal Dust Qualities

open access: yesEnergies, 2021
The ignition characteristics of coal dust is of high importance for the flame stability in coal-fired power plants. We investigate the ignitability of six lignite dust qualities and one hard coal using dust explosion tests and an ignitability ...
Reyhane Youssefi   +4 more
doaj   +1 more source

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