Journal of Food, Agriculture and Environment
Vol 12,
Issue 2,2014
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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A comprehensive characterization of ash from Romania thermal power plant
Author(s):
Roxana Dana Bucur 1,
Carmen Cimpeanu 2, Marinela Barbuta 3*, Gabriela Ciobanu 4, Gigel Paraschiv 5, Maria Harja 4*Recieved Date: 2014-01-30, Accepted Date: 2014-03-29
Abstract:Ash is an industrial waste which is recognized as an environmental pollutant. The ash can be used in construction, as a low-cost adsorbent for the removal of heavy metals, organic compounds and flue gas, light weight aggregate, geopolymer and zeolite synthesis. The capitalizations of ash depend on chemical and technological properties. To be used in one of the upper mentioned direction, the ash must have some required properties. The paper presents a complete characterization of ashes resulted from two big power plants from North Romania (Iasi and Suceava) for capitalization these in geopolymer obtained. An important accent was given to chemical characterization for established Ca/Al ration. These characteristics have a decisive role in establishing the capitalization direction. The data from several analytical techniques (XRD, EDX, chemical analysis, SEM, FTIR and thermal analysis (TG/DTA)) shown that silica and aluminum are the dominant elements. These materials can be used for geopolymerization. This study also wants to show that the ash does not represent a danger for the environment. According to the experimental results, this waste from power plant is “friendly” to the environment and can be used in the direction of replacing more polluted materials.
Keywords:Ash,
capitalization, characterization, environmentalJournal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Environment
Pages: 943-949
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