Utilization of Mn–Fe solid wastes from electrolytic MnO2 production in the manufacture of ceramic building products

The use of Mn-Fe solid wastes, originating from electrolytic manganese oxide production plants, as raw materials in the production of traditional ceramic building products such as bricks, roof or floor tiles was studied. The wastes were chemically and morphologically characterised. Subsequently, cer...

Full description

Saved in:
Bibliographic Details
Published in:Construction & building materials 2007-05, Vol.21 (5), p.1061-1068
Main Authors: Sikalidis, C., Zaspalis, V.
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The use of Mn-Fe solid wastes, originating from electrolytic manganese oxide production plants, as raw materials in the production of traditional ceramic building products such as bricks, roof or floor tiles was studied. The wastes were chemically and morphologically characterised. Subsequently, ceramic test specimens incorporating 2.5, 5, 7.5 and 10 wt% solid wastes were made. Two different shaping technologies were used, namely compaction and extrusion. The green specimens were fired to different peak temperatures ranging from 950 to 1100 C. The final products were characterised for important properties such as modulus of rupture, water absorption, weight loss and colour. It appears that Mn-Fe solid wastes when used up to a percentage of 7.5 wt% improve the basic properties of traditional building ceramic products. The results were confirmed by the successful pilot production of real size ceramic products. 16 refs.
ISSN:0950-0618
DOI:10.1016/j.conbuildmat.2006.02.009