Vinter, S.; Montañés, M.; Bednarik, V. (2017). Stabilization/solidification of zinc containing sludge using Portland cement. Waste Forum. (4):254-266. http://hdl.handle.net/10251/153047
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/153047
Title:
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Stabilization/solidification of zinc containing sludge using Portland cement
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Author:
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Vinter, Stepan
Montañés, Maria-Teresa
Bednarik, Vratislav
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UPV Unit:
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Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear
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Issued date:
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Abstract:
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[EN] Stabilization/Solidification process using Portland cement was applied for the treatment of sludge from
hot-dip galvanization process. It is a process aimed at protecting and improving the quality of steel parts
against ...[+]
[EN] Stabilization/Solidification process using Portland cement was applied for the treatment of sludge from
hot-dip galvanization process. It is a process aimed at protecting and improving the quality of steel parts
against the corrosion and oxidation caused by the humidity. Ordinary Portland cement was chosen as a
binder for its affordability as a one of the cheapest type of binder and well known for its usability for
hazardous waste treatment. Effectiveness of the process was evaluated using leaching tests according
to both the EN 12457-4 standard and the Toxicity Characteristic Leaching Procedure. The effect of the
mixture composition on the process was analysed in terms of the extract toxicity and ability to retain
pollutants in the concrete matrix. Furthermore, the obtained data were evaluated using statistical
analysis, namely, multi-level factorial design of experiment. This paper deals with the waste from the pretreatment
of steel pieces by degreasing and chemical cleaning the surface before the hot-dip
galvanization process. This waste does not meet the regulatory levels of the pollutant leaching and thus
its treatment is required before land disposal. The aim of this study was to stabilize and solidify this toxic
waste and thus fulfil the limit values required for land disposal.
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Subjects:
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Zinc plating waste
,
Stabilization/solidification
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Leaching tests
,
Toxicity
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Copyrigths:
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Reserva de todos los derechos
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Source:
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Waste Forum. (eissn:
1804-0195
)
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Publisher:
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Ceske Ekologicke Manazerske Centrum
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Publisher version:
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http://www.wasteforum.cz
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Project ID:
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Univerzita Tomáse Bati ve Zlíne/IGA/FT/2015/012
Univerzita Tomáse Bati ve Zlíne/IGA/FT/2017/003
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Thanks:
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This research was carried out with the support of Internal Grant Agency of TBU in Zlin, project no. IGA/FT/2015/012 and IGA/FT/2017/003. The authors wish to express their gratitude to GALVANIZADORA VALENCIANA, S. A. for ...[+]
This research was carried out with the support of Internal Grant Agency of TBU in Zlin, project no. IGA/FT/2015/012 and IGA/FT/2017/003. The authors wish to express their gratitude to GALVANIZADORA VALENCIANA, S. A. for providing samples for this research
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Type:
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Artículo
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