Publication detail

The use of anthracite fly ash for the production of autoclaved aerated concrete

DROCHYTKA, R. ČERNÝ, V. KULÍSEK, K.

Original Title

The use of anthracite fly ash for the production of autoclaved aerated concrete

Type

journal article - other

Language

English

Original Abstract

Burning high-quality anthracite coal produces ash with a high content of unburned residues, which in many cases permanently exceeds 20%. These ashes usually contain high levels of amorphous phase providing the pozzolanic activity, this making them particularly useful if potentially applied in the construction industry. Such potential of effective treatment necessitates reducing the content of unburned residues, the best level here being less than 4% w/w. This paper deals with the results of testing heat treatment of fly ashes particularly using the resources of eastern Slovakia. Tests have shown that tested process of heat treatment can safely reduce the content of unburned residues in fly ash whilst maintaining high levels of the glass phase. Raw materials thus modified meet the requirements for the use in cellular concrete production technology with beneficial use of exothermic reaction heat from fly ash treatment in pre-heating the autoclaves.

Keywords

Ash, power plant, unburned residues, legislation, autoclaved cellular concrete

Authors

DROCHYTKA, R.; ČERNÝ, V.; KULÍSEK, K.

RIV year

2012

Released

1. 5. 2012

Publisher

Trans Tech Publications, Switzerland

Location

Hohhot

ISBN

1022-6680

Periodical

Advanced Materials Research

Year of study

2012

Number

512-515

State

Swiss Confederation

Pages from

3003

Pages to

3006

Pages count

3255

BibTex

@article{BUT93209,
  author="Rostislav {Drochytka} and Vít {Černý} and Karel {Kulísek}",
  title="The use of anthracite fly ash for the production of autoclaved aerated concrete",
  journal="Advanced Materials Research",
  year="2012",
  volume="2012",
  number="512-515",
  pages="3003--3006",
  issn="1022-6680"
}