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RECYCLING OF FOUNDRY DUST IN FOUNDRY PROCESS

A. Pribulova, P. Gengel

First published: 2009DOI pendingView metrics

Abstract

Dusts arise in every step of foundry process. A lot of dust create by mould sands and core sands preparation. Their composition depend on used binder. The main compound of these dusts is SiO2 and by mould sands with organic binder it is carbon too. A melting process is connected with formation of flue dust, its composition depends on charge composition. Cupola furnaces, electric arc furnaces and induction furnaces are used in foundry. The most quantity of dust is produced from cupola furnace. It is very fine-grained dust with high content of SiO2 and Fe. The dust creates by casting and fettling. Foundry operations that arise high amount of emission are castings cleaning and castings grinding. 7 kinds of dust from cast – iron production were analysed. On the base of chemical composition, granulometric analysis and microscopic analysis were chosen dusts that were used by sand mixture and sand mouldings preparation.

Publication details

Title
RECYCLING OF FOUNDRY DUST IN FOUNDRY PROCESS
Authors
A. Pribulova, P. Gengel
Proceedings
9th International Multidisciplinary Scientific GeoConference SGEM2009
Publisher
SGEM Scientific GeoConference
Year
2009
Pages
689-696
ISSN
Not available yet
ISBN
954-91818-1-2
Language
en
Publication type
Conference Paper
Keywords
SiO2chemical analysiscompression strengthfoundry dustgranulometric analysismouldspermeabilitysand mixtureshearing strength
References3

  1. Geshwandtner,G., Fairchild,S.: Emission factors for iron foundries - criteria and toxic pollutants, EPA Contract No.68-D9-0168, Work Assignment No.5, Air and Energy Engineering Research Triangle Park, North Carolina 277 1 1 , August 1990

  2. Petavratzi,E., Wilson, S.: Foundry dust in facing bricks - case study, WRT 177/WR01 15, October 2007

  3. New products and methods using foundry dust (WO/2000/006313)

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