Influence of a reclaimed sand addition to moulding sand with furan resin on its impact on the environment
PBN-AR
Instytucja
Akademickie Centrum Materiałów i Nanotechnologii (Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Water Air and Soil Pollution
ISSN
0049-6979
EISSN
1573-2932
Wydawca
Springer
Rok publikacji
2016
Numer zeszytu
1
Strony od-do
16-1--16-12
Numer tomu
227
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
0.85
Autorzy
(liczba autorów: 3)
Pozostali autorzy
+ 2
Słowa kluczowe
EN
BTEX
foundry sands
leaching
PAHs
emission
air pollutions
Open access
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Creative Commons — Uznanie autorstwa
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Streszczenia
Język
EN
Treść
Metalcasting involves having a molten metal poured in a hollow mould to produce metal objects. These moulds are generally made of sand and are chemically bonded, clay-bonded, or even unbounded. There are many binder systems used. Binders based on furfuryl re sins constitute currently the highest fraction in the binders no-bake group. Moulding sand, after knocking out the cast, is partially reclaimed, and the remaining part, known as waste foundry sand is used or stored outside the foundry. In this case, the environment hazardous organic compounds and metals can be leached from the moulding sand, thus causing pollution of water and soil. Also during the casting moulds with molten metal, they emit pyrolysis gases containing many different compounds, often dangerous from the BTEX and PAH group, which has adverse impacts on the environment and workers. The article presents the results of research on the impact of the regenerate addition to the moulding sand matrix on emitted gases and the degree of threat to the environment due to leaching of hazardous components. Therefore, for the total assessment of the moulding sands harmfulness, it is necessary to perform investigations concerning the dangerous substances elution into the environment during their management and storage, as well as investigations concerning emissions of hazardous substances (especially from the BTEX and PAHs group) during moulds pouring, cooling, and casting knocking out. Both kinds of investigations indicated that reclaimed sand additions to moulding sands have significantly negative influence on the environment and working conditions.
Cechy publikacji
original article
peer-reviewed
Inne
System-identifier
idp:094812
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