Results 21 to 30 of about 5,490 (287)

Phase composition of brown ceramics of lava-like fuel-containing materials of the object “Shelter” ChNPP

Ядерна фізика та енергетика, 2019
Using the X-ray diffraction method, the phase content of brown ceramics of lava-like fuel-containing materials of the “New Safe Confinement – Shelter Object” Complex was investigated.
S. V. Gabielkov, I. V. Zhyganiuk, V. G. Kudlai, A. V. Nosovsky, P. E. Parkhomchuk, S. O. Chikolovets, V. M. Shcherbin   +6 more
doaj   +1 more source

Surface modification methods of ceramic filler in ceramic-carbon fibre composites for bioengineering applications – A systematic review

Reviews on Advanced Materials Science, 2020
The present review paper focuses on the current state of the art of the alumina-silicate ceramics and surface modifications of ceramics dedicated as fillers in composites with carbon fiber. The use of aluminum-silicates in the form of a cenosphere due to
Nakonieczny Damian S., Antonowicz Magdalena, Paszenda Zbigniew   +2 more
doaj   +1 more source

An Efficient Approach for Lithium and Aluminum Recovery from Coal Fly Ash by Pre-Desilication and Intensified Acid Leaching Processes

Metals, 2017
A novel technique was developed for the recovery of lithium and aluminum from coal fly ash using a combination of pre-desilication and an intensified acid leaching process. The main components of the high-aluminum fly ash were found to be Al2O3 and SiO2,
Shenyong Li, Shenjun Qin, Lianwei Kang, Jianjun Liu, Jing Wang, Yanheng Li   +5 more
doaj   +1 more source

Biogeochemistry of Household Dust Samples Collected from Private Homes of a Portuguese Industrial City

Geosciences, 2020
The main objectives of the present study were to (i) investigate the effects of mineralogy and solid-phase distribution on element bioaccessibility and (ii) perform a risk assessment to calculate the risks to human health via the ingestion pathway ...
Amélia P. Marinho-Reis, Cristiana Costa, Fernando Rocha, Mark Cave, Joanna Wragg, Teresa Valente, Amália Sequeira-Braga, Yves Noack   +7 more
doaj   +1 more source

Composite Hydrogels with Included Solid-State Nanoparticles Bearing Anticancer Chemotherapeutics

Gels, 2023
Hydrogels have many useful physicochemical properties which, in combination with their biocompatibility, suggest their application as a drug delivery system for the local and prorogated release of drugs. However, their drug-absorption capacity is limited
Alexandar M. Zhivkov, Trifon T. Popov, Svetlana H. Hristova   +2 more
doaj   +1 more source

THE ALUMINA-SILICATES IN STABILIZATION PROCESSES IN FLUIDIZED-BED ASH [PDF]

Ceramics-Silikáty, 2011
Presented study of coal fluidized-bed ash solidification was accompanied with specific studies of alumino-silicates residues in ashes. The specific technology of fluid coal burning and its relatively low temperature combustion combines coal burning and ...
IVANA PERNA, TOMAS HANZLICEK
doaj  

Analysis of deposits in superheater tubes at coal-fired thermal power plants by Fourier IR spectroscopy

Известия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Determination of the qualitative composition of deposits on the inner surface of the superheater tubes of the Aksuskaya GRES and CHPP stations of Aluminum Kazakhstan JSC located in the Republic of Kazakhstan. METHODS.
N. D. Chichirova, A. A. Chichirov, A. Y. Vlasova, A. A. Orlov   +3 more
doaj   +1 more source

K-Based Geopolymer from metakaolin: roles of K/Al ratio and water or steam Curing at different temperatures

Materiales de Construccion, 2016
K-based geopolymer binder was prepared by reacting metakaolin with alkaline solutions having different potassium contents and by water curing at room temperature and 80 °C as well as steam curing at 150 and 180 °C. The phase formation, microstructure and
A. Tawfik, F. Abd El-Raoof, H. Katsuki, K. J.D. MacKenzie, S. Komarneni   +4 more
doaj   +1 more source

A Brief Review of Solving Biomass Ash Deposition with Aluminum-silicate Based Additives and Future Perspective of Kaolin

Chemical Engineering Transactions, 2023
Biomass as an abundant “green” renewable and CO2 neutral energy source have captured the entire world attention as a result of worsening energy crisis and environmental problems. Combustion of biomass have huge potentials of producing heat and power in a
Kunmi J. Abioye, Noorfidza Y. Harun, Anwar A. H. Saeed   +2 more
doaj  

Effect of Sewage Sludge Addition on Potassium Release and Ash Transformation during Wheat Straw Combustion

Chemical Engineering Transactions, 2014
Combustion of wheat straw for heat and power production is often challenging due to ash related problems such as fouling deposition and high temperature corrosion.
L. Wang, T. Lovas, E. Houshfar
doaj   +1 more source