Analysis of elemental composition of solid industrial wastes and its use for the assessment of reuse/recycling options

T. Seyoum, Sam B. Adeloju

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A reliable approach is described for the analysis of the chemical composition of Solid Industrial Wastes (SIW) from liquid waste treatment plants by a range of analytical techniques. X-ray Fluorescence (XRF) analysis was used to obtain a general composition of inorganic analytes in the SIW and then followed by detailed analysis of major elements and most heavy metals by Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES). Mercury was determined by ICP-VGA (Vapor Generation Analysis) throughout the sampling period. TCLP tests were conducted on treated filter cake and stabilized sludge to determine the concentrations of leachable heavy metals. XRD analysis was also conducted to identify the types of phases present in both waste streams. Comparison of the chemical composition of the treated SIW is made against EPA Victoria regulatory requirement for hazard classification. The potential use of the treated SIW for the development and implementation of innovative reuse/recycling management options is discussed.

Original languageEnglish
Pages (from-to)59-69
Number of pages11
JournalJournal of Solid Waste Technology and Management
Volume34
Issue number2
Publication statusPublished - 01 May 2008

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