CHANGES OF CHEMICAL FORMS OF ZINC AND ZINC-SULFIDE DURING THE COMPOSTING PROCESS OF MUNICIPAL SOLID-WASTE

Citation
J. Ciba et al., CHANGES OF CHEMICAL FORMS OF ZINC AND ZINC-SULFIDE DURING THE COMPOSTING PROCESS OF MUNICIPAL SOLID-WASTE, Water, air and soil pollution, 93(1-4), 1997, pp. 167-173
Citations number
11
Categorie Soggetti
Environmental Sciences","Water Resources
ISSN journal
00496979
Volume
93
Issue
1-4
Year of publication
1997
Pages
167 - 173
Database
ISI
SICI code
0049-6979(1997)93:1-4<167:COCFOZ>2.0.ZU;2-Z
Abstract
Changes of chemical forms of metallic zinc and zinc sulfide during the composting process of municipal solid waste in oxygen conditions have been determined. Speciation of zinc was carried out by means of seque ntial extraction. It has been found that contamination of the waste wi th Zn is dangerous to the environment because zinc accumulates in bioa vailable forms - organically bound and carbonate. Zinc sulfide remains mainly in a less mobile sulfide form. The composting process increase s the mobility of zinc insignificantly.