Affiliation:
1. Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, Novi Sad
Abstract
This work is concerned with exploring the possibilities of using
solidification/stabilization (S/S) treatment for toxic sludge generated in
dye effluent treatment, when pyrite cinder is used as catalytic iron source
in the modified heterogeneous Fenton process. S/S treatment was performed by
using different clay materials (kaolin, bentonite and native clay from the
territory of Vojvodina) and fly ash in order to immobilize toxic metals and
arsenic presented in sludge. For the evaluation of the extraction potential
of toxic metals and the effectiveness of the S/S treatment applied, four
single-step leaching tests were performed. Leaching test results indicated
that all applied S/S treatments were effective in immobilizing toxic metals
and arsenic presented in sludge. X-ray diffraction analysis confirmed the
formation of pozzolanic products, and compressive strength measurement proved
the treatment efficacy. It can be concluded that the S/S technique has
significant potential for solving the problem of hazardous industrial waste
and its safe disposal.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Subject
General Chemical Engineering,General Chemistry
Cited by
6 articles.
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