Waste Materials in Construction Science and Engineering of Recycling for Environmental Protection

About this book

This volume presents the proceedings of the International Conference on The Science and Engineering of Recycling for Environmental Protection (WASCON 2000), of which a number of themes have been identified. All are inter-related and inter-dependent in so far as potential users of secondary, recovered or recycled material have to be assured that the material is environmentally safe and stable. It is the environmental challenge that forms a leading theme for the conference, and the themes of quality assurance and quality control support this aspect. In terms of use of 'recovered' materials, science and engineering play important and inter-dependent roles and this is reflected in themes which form the very core of the conference. Of no less importance is control of land contamination and how we propose to model for the long term impact of our aims. However dutiful and competent our ideas and studies, there has to be a measure of control and the role of legislation forms the final theme of WASCON 2000. The breadth of studies being undertaken world-wide and the innovative ideas that are expressed in papers submitted are worthy of this important subject. It is also interesting to note that papers were offered from 30 countries, a sign of the increasing awareness of the need to preserve our natural resources and utilize to the full those with which we are more familiar. This book will contribute to the understanding of and solution of environmental problems concerning the re-use of waste materials in construction.

Contents

Selected papers: Calcium silicate products with crushed building and demolition waste (H.M.L. Schuur). Preliminary laboratory investigation of thermally treated recycled concrete aggregate for general use in concrete (J.A. Larbi et al.). Evaluation of solid-stabilized products made from Cr(VI)-containing ferrochrome bag-filter dust (E.W. Giesekke et al.). Thermal treatment of iron oxide stabilized APC residues from waste incineration and the effect on heavy metal binding (M.A. Sorensen et al.). On-site treatment and landfilling of MSWI air pollution control residues (K. Lundtorp et al.). Assessment of environmental impacts of foundry waste in utilisation and disposal (J. Laine-Ylijoki et al.). Leaching of PCBs and chlorophenols from contaminated soil and waste-influence of leaching test characteristics (M. Wahlstrom et al.). The mechanism of lead (Pb) leaching from incinerator to fly ash in monodisposal landfill (K. Miyawaki et al.). Heavy metal elution characteristics from municipal solid waste scrubber residue by a centrifugation method (T. Shimaoka et al.). Calcium sulphoaluminate cements made from fluidized bed combustion wastes (G. Bernardo et al.). Synthetic aggregates from combustion ashes using an innovative rotary kiln (P.J. Wainwright, D.J.F. Cresswell). New trends on EAF slags management in the Basque Country (G. Ortiz de Urbina et al.). The environmental quality of fly ashes from co-combustion (F.J.M. Lamers et al.). A preliminary investigation of the removal of heavy metal species from aqueous media using crushed concrete fines (D.C. Johnson et al.).

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