Detail publikace

A Novel Process for the Containment of SO2 Emissions from Class C Fly Ash in the Fired Materials by Haüyne Formation

SOKOLÁŘ, R. NGUYEN, M.

Originální název

A Novel Process for the Containment of SO2 Emissions from Class C Fly Ash in the Fired Materials by Haüyne Formation

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Class C fly ash has been receiving increasing attention due to the gradual transition of thermal power plants all over the world to the fluidized bed combustion technology with sulfur dioxide emissions capture. This research investigates the utilization of class C fly ash in fired ceramic materials with simultaneous efficient and novel containment of sulfur dioxide emissions in the flue gas during firing. A number of experiments were conducted by addition of sodium water glass with different molar ratios of SiO2:Na2O, sodium carbonate, and different ratios of sodium carbonate to water glass to the class C fly ash to examine the optimal combination and quantity for the creation and formation of the mineral phase haüyne which resulted in reduction and containment of SO2 emissions. Results revealed that a 12% dose of sodium water glass with a low molar ratio of 1.7 (SiO2:Na2O) combined with class C fly ash was more effective in the formation of haüyne and the resulting decrease of SO2 in the flue gas was more substantial. The newly formed mineral phase haüyne was identified by an X-ray diffraction analysis and scanning electron microscopy with energy dispersive X-ray spectroscopy. Outcomes reveal a potential for utilization of class C fly ash in the fired materials by containment of sulfur dioxide into their structure.

Klíčová slova

fly ash; ceramic body; firing; sulfur dioxide emissions; haüyne

Autoři

SOKOLÁŘ, R.; NGUYEN, M.

Vydáno

27. 9. 2022

Nakladatel

MDPI

Místo

Basel, Switzerland

ISSN

1996-1944

Periodikum

Materials

Ročník

15

Číslo

19

Stát

Švýcarská konfederace

Strany počet

13

URL

https://www.mdpi.com/1996-1944/15/19/6701

Plný text v Digitální knihovně

http://hdl.handle.net/11012/208689

BibTex

@article{BUT179321,
  author="Radomír {Sokolář} and Martin {Nguyen}",
  title="A Novel Process for the Containment of SO2 Emissions from Class C Fly Ash in the Fired Materials by Haüyne Formation",
  journal="Materials",
  year="2022",
  volume="15",
  number="19",
  pages="13",
  doi="10.3390/ma15196701",
  issn="1996-1944",
  url="https://www.mdpi.com/1996-1944/15/19/6701"
}