The 3rd International Conference on the Environmental and Technical Implications of Construction with Alternative Materials.

"Putting Theory into Practice"

picture of Chateau St. Gerlach

Conference location

Conference Programme

June 4 - 6, 1997.
Houthem St. Gerlach
Final Programme
Also, a scientific synopsis is available.
For viewing the participantslist you will need the ISCOWA password (see ISCOWA's New Year Letter, last paragraph).
Organized under auspicies of: The International Society ISCOWA

The Proceedings of WASCON '97 are published in Elsevier's studies in Environmental Science, nr. 71. The results of international projects (supported by EC DGXII SMT), which were discussed in the workshop "Harmonisation of Leaching test procedures" have been published in Elseviers Studies in Environmental Science (issue NR. 70). Selected papers of Wascon '97 will be published in a special issue of Pergamon's "Waste Management". For ISCOWA's members a special reduced subscription price applies (more information on this can be obtained form our secretariat)

Last revision: 16 July 1998

Contents

Organization
Conference Programme
Plenary opening session

Workshops:

Integrated chain management and poster-presentations
Acknowledgements

Local Organizing Committee:
ing. G.J. Senden, ISCOWA, chairman
ir. J. de Castro, ISCOWA, treasurer
mrs. L. Haverkort, ISCOWA, secretary
mr. R. Fetlaar, Conference manager
mrs. dr. ir. N. Ramaekers, University Maastricht
ir. R. Eikelboom, VROM
ir. R.W. Spoelstra, ISCOWA.

Scientific Committee:
dr. J.J. Goumans, NOVEM, chairman, the Netherlands
prof. dr. J. Cabrera, University of Leeds, CEMU, United Kingdom
dr. H. van der Sloot, ECN, the Netherlands
dr. J. Hartlen, JH Geoconsulting, Sweden
prof. dr. ir. P. Schieszl, IBAC, Germany
dr. D. Kosson, Rutgers University, USA
prof. dr. S. Sakai, Kyoto University, Japan

Conference Secretariat:
ISCOWA
Beekstraat 17
6301 HV Valkenburg a/d Geul
The Netherlands
E-mail address: jsenden@iscowa.org.

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WASCON '97 Programme

Plenary opening

Official opening and welcome
J. Goumans, ISCOWA, the Netherlands

The reconstruction of Chateau St. Gerlach
C. Oostwegel, Director of Chateau St. Gerlach, the Netherlands

From waste to raw material for construction
M. Bloemendal, Managing Director NV GKE/Vliegasunie bv, the Netherlands

The EC SMT programme in support of RTD projects for environmental quality measurements
Ph. Quevauviller, EC/DGX11: Measurements and Testing, Belgium

Recycling for road improvements
Ch. J. Nemmers, P.E. Chairman OECD, Federal Highway Administration, USA

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Workshop: MSWI By-Products
Chairman: Prof. dr. S. Sakai

Overview of MWSI residue recycling by thermal processes
S. Sakai, Kyoto University, Japan

Quality improvement of MSWI bottom ash by enhanced ageing, washing and combination processes
J. Steketee, Tauw Milieu BV, the Netherlands

Development of a technology to lower the leaching of contaminants from MSWI bottom ash by the addition of sorbing components
R. Comans, ECN, the Netherlands

Construction materials manufacturing by the technology of melting
S. Abe, Kubuto Corporation, Osaka, Japan

Permeable block and aggregate manufacturing by the technology of melting
M. Nishigaki, Takuma Corporation Ltd, Japan

Investigation of sintering processes in bottem ash to promote their reuse in civil construction. Element balance and leaching and long term behaviour
B. Bergfeldt, Forschungszentrum Karlsruhe, Germany

Acid extraction technologies
H. Kawabata, Kobe Steel Ltd, Japan

Pre- treatment of MSWI fly-ash for useful applications
E. Mulder, TNO, the Netherlands

Direct melting process for MSW recycling
M. Osada, Nippon Steel Corporation, Japan

Establishment of a process for treatment of APC residues from MSWI
O. Hjelmar, VKI Water Quality Institut, Denmark

Evaluation of treatment of gas cleaning residues from MSWI with chemical agents
S. Mizutani, Kyoto University, Kyoto, Japan

Vitroarc: Vitrification of fly ash from hazardous and municipal waste incineration
K. Haugsten, Kvaerner Engineering s.a. Lysaker, Norway

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Workshop: Demonstration Projects
Chairman: Prof. dr. J. Cabrera

Quarries reinforcement with stabilised bottom ashes
A. Bouchelaghem, INERTEC, France

The influence of monolith physical properties and integrity on diffusional leaching behavior of asphaltic pavements constructed with MSWI combustion bottom ash
T. Eighmy, University of New Hampshire, USA

Design and construction of a road pavement using fly ash in hot rolled asphalt
J. Cabrera, University of Leeds, United Kingdom

Engineering properties of the coal ashes stored in the Valdeserrana Lagoon Andorra power plant
P. Calderon, University of Valencia, Spain

Mine-tailings practical experiences in filling up harbours
J. van Leeuwen, Public Works Rotterdam, the Netherlands

Upgrading the use of recycled material - UK demonstration project
R. Collins, BRE, United Kingdom

Beneficial use of contaminated sediments within the Maas river system
A.L. Hakstege, Project Office Zandmaas, the Netherlands

The ABB dry ash concept: INREC
A. Selinger, ABB Corporate Research Ltd, Baden, Switserland

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Workshop: Harmonization of Leaching Test Procedures
Chairman: Dr. H. van der Sloot

The results of the international projects (supported by EC DGXII SMT), which were discussed in this workshop have been published in Elseviers Studies in Environmental Science (issue NR. 70).

Introduction to the Network Harmonization of leaching/extraction tests for environmental risk assessment
H. van der Sloot, ECN, the Netherlands

Harmonization of leaching/extraction tests for soil and contaminated sediments
G. Rauret, University of Barcelona, Spain

Harmonization of leaching/extraction tests for waste
O. Hjelmar, VKI, Denmark

Harmonization of leaching/extraction tests for construction materials
P. Schieszl, IBAC, Germany

Integration of testing protocols for evaluation of contaminant release from monolithic and granular wastes
D. Kosson, Rutgers University, USA.

Development of a leaching protocol for concrete
I. Hohberg, IBAC, Germany

Use of a chelating agent to determine the metal availability for leaching from soils and wastes
A. Garrabrants, Rutgers University, USA

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Workshop: Construction Raw Materials from Coal-Fired Power Stations
Chairman: Dr. G. Woolley

By-products management and quality control
J. van den Berg, NV GKE/Vliegasunie bv, the Netherlands

Maasvlakte Fly-ash processing plant
J. Moret, NV GKE/Vliegasunie bv, the Netherlands

Fly-ash as binder in concrete
L. Vissers, KEMA NV, the Netherlands

Upgrading and quality improvement of PFA
H. Cornelissen, KEMA NV, the Netherlands

The effect of the Dutch building materials decree on the by-products from coal fired power stations
M. van de Poel, SEP NV, the Netherlands

Prediction of environmental quality of by-products from coal fired power plants
R. Meij, KEMA NV, the Netherlands

Short leaching test compared to a columm leaching test for internal quality control of coal bottem ash
E. van der Hoek, KEMA NV, the Netherlands

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Workshop: Concrete Applications
Chairman: Dr. G. Woolley

Retention mechanisms in mortars of the trace metals contained in Portland cement clinckers
I. Serclerat, INSA-Lyon, France

Study of cement-based mortars containing Spanish ground sewage sludge ash
J. Monzo, University of Valencia, Spain

Fly ash useful material for preventing concrete corrosion
S. Miletic, IMS, Belgrade, Yugoslavia

Fly ash as the basic material for inorganic binders production
M. Ilic, IMS, Belgrade, Yugoslavia

The use of fly ash to improve the chloride resistance of cement mortars
J. Cabrera, University of Leeds, United Kingdom

Low lime binders based on fluidized bed ash
J. Drottner, Moravia-Silesian Power Plant, Czech Republic

Investigating waste/binder interactions by neural network analysis
C. Hills, Imperial College London, United Kingdom

The use of MSWI bottem ash in hollow construction materials
E. Jansegers, NET Brussels, Belgium

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Workshop: Modelling of Leaching
Chairman: Mrs. dr. J. Stegemann

Using CHEMFRONTS, a geochemical transport programme
C. Baevermann, Royal Institute of Technology, Sweden.

Overview of geochemical processes controlling leaching characteristics of MSWI bottom ash
J. Meima, ECN, Petten, the Netherlands

Heavy metal stabilization in municipal solid waste combustion bottem ash using soluble phosphate
T. Eighmy, University of New Hampshire, USA

Heavy metal binding mechanisms in cement based waste materials
F. Ziegler, EAWAG, Basel, Switserland

ICP-MS, Hydride generation ICP-MS and CZE for the study of solidification/stabilisation of industrial waste containing arsenic
C. Vandecasteele, University of Leuven, Belgium

Application of computer modelling to predict the leaching behaviour of heavy metals from MSWI fly-ash and comparison with a sequential extraction method
P. van Herck, University of Leuven, Belgium

Leaching models for porous monolithic materials
J. Mehu, Polden Insavalor-INSA Lyon, France

A generalized model for the assessment of long-term leaching in combustion residue landfils
J. Crawford, Royal Institute of Technology, Sweden

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Workshop: Laboratory Field Relations
Chairman: Mr. Ch. J. Nemmers

Verification of laboratory-field leaching behaviour of coal fly-ash and MSWI bottem-ash as a roadbase material
J. Schreurs, INTRON BV, the Netherlands

Review of the Laconia, New Hampshire Bottem ash Paving Demonstration
T. Eighmy, University of New Hampshire, USA

Comparison of laboratory leaching tests with field lysimeter results from granular waste materials
A. Fallman, Swedish Geotechnical Institute, Sweden

The application of incinerator bottem ash in road construction
K. Pihl, Danish Road Institute, Denmark

Acid resistance of different monolithic binders and solidified wastes
J. Stegemann, Imperial College London, United Kingdom

Long term leaching behaviour of Pb and Zn slags in relation to benificial application
D. Mandin, Metaleurope Recherche, France

Influence of the type of cement used on the leaching of contaminants from solidified waste containing arsenic
V. Dutree, University of Leuven, Belgium

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Workshop: Reuse as Raw Materials
Chairman: Dr. J. Mehu

State of the art of gypsum recovery in a Spanish power plant
E. Peris-Mora, University of Valencia, Spain

Finegrinding of hard ceramic waste in the rotary-vibration mill
M. Wojcik, University of Kracow, Poland

Processing and application of phosphoric gypsum.
R. van Selst, INTRON BV, Sittard, the Netherlands

The long-term acid neutralizing capacity of steel slag
Y. Yan, Royal Institute of Technology, Sweden

Reusing water treatment plant sludge as secundary raw material in brick manufacturing
J. Ten Wolde, Reststoffenunie, Waterleidingbedrijven BV, the Netherlands

Replacement of natural aggregates by the fine fraction of demolition waste
J. Trankler, Bavarian Institute for Waste Research, Germany

Assessment of chemical sensibility of Waelz slag in different reuse scenarios
J. Mehu, Polden Insavalor-INSA Lyon, France

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Soil Leaching
Chairman: Dr. H. van der Sloot

Immobilization of heavy metals in contaminated soils by thermal treatment at intermediate temperatures
C. Zevenbergen, IWACO BV, the Netherlands

Investigation strategies and methods for contaminated soils in Finland
H. Jarvinnen, Geological Survey of Finland, Finland

Development of fast testing procedures for the determining of the leachability of soils contaminated by heavy metals
J. Heynen, IWACO BV, the Netherlands

Modelling processes controlling metal leaching from contaminated and remediated soils
R. Comans, ECN, the Netherlands

Electrokinetic transport in natural soil cores
D. Stewart, University of Leeds, United Kingdom

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Workshop: Organic Leaching
Chairman: Dr. H. van der Sloot

Re-use of sieve sand from demolition waste
E. Mulder, TNO, the Netherlands

Organic substances in leachates from combustion residues
I. Pavasars, Linkoping University, Sweden

Leaching and Release of Organic Contaminants from Soils
D. Kosson, Rutgers University, Piscataway, NJ, USA

Leaching behaviour of PCDD/Fs and PCBs from some waste materials
S. Sakai, Kyoto University, Japan

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Session: Quality control and certification
Chairman: Dr. J. Goumans

Environmental quality assurance system for use of crushed mineral demolition waste to use in earth construction
M. Wahlstrom, VTT Chemical Technology, Finland

Environmental certification of bottem ashes from coal fired power plants and of bottem ashes from municipal waste incineration
F. Lamers, KEMA NV, the Netherlands

Quality assurence in the laboratory analysis of contaminated soils
L. Heasman, M.J. Carter Associates, United Kingdom

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Workshop: Immobilization
Chairman: Prof dr. R. Schuiling

Dutch Policy as incentive to environmental controlled re-use of waste materials
W. Willart, Ministry of Housing, Physical Planning and the Environment, the Netherlands

Evaluation of regulations and standards for stabilized hazardous industrial waste management in France
V. Mayeux, ADEME, France

Northern America policy on immobilization of waste materials
J. Stegemann, Imperial College London, United Kingdom

Testmethods and criteria for the assessment of immobilized waste
G. Van der Wegen, INTRON BV, Sittard, the Netherlands

Inorganic immobilization of waste materials
F. Felix, Delft University, the Netherlands

An Introduction to Vitrification Processes
D. Kosson, Rutgers University, Piscataway, NJ, USA

Physical properties and long-term stability of stabilized contaminated soil
P. Kuula-Vaisanen, Tampere University, Finland

Evaluation of contaminant release mechanisms for soils and solidified/stabilized wastes
A. Garrabrants, Rutgers University, Piscataway, NJ, USA

Response of various solidification systems to acid addition
J. Stegemann, Imperial College London, United Kingdom

Stabilization of a galvanic sludge by means of calcium sulphoaluminate cement
R. Cioffi, University of Napels, Italy

Contaminated soil - cement stabilization in a demonstration project
J. Van Leeuwen, Public Works Rotterdam, the Netherlands

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Workshop: Policy and Economy
Chairman: Ir. R. Eikelboom

Reuse of secundary building materials in road construction
A. Berendsen, Public Works Rotterdam, the Netherlands

MSWI residues in the Netherlands, Putting Policy into Practice
R. Veelenturf, Sevice Centre MSWI Residues, the Netherlands

Using environmental economics in decision making and policy formulation for sustainable construction waste management
A. Craighill, CSERGE, University of East Anglia, United Kingdom

Application of secondary materials: A succes now, a succes in the future
J. van der Zwan, Ministry of Transport, Public Works and Watermanagement, the Netherlands

Development of a well balanced plan for the use of wastes
S. Prins, PrinsHolland BV, the Netherlands

Smart Cements
J. De Jong, ENCI NV, the Netherlands

The Respect-House: A house with more lives
P. Schulz, IBC Vastgoed, the Netherlands

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Integrated chain management and poster-presentations
Chairman: Ing. J. Senden

Stimulation of integrated chain management by using integrated balances for organizations, combined with LCA for products.
J. Beenackers, Beenackers M&T, Schinnen, The Netherlands

Life cycle assessment and other tools for chain management: a case study in the fertilizer/phosphoric acid industry.
R. Seijdel, PRC Bouwcentrum, Bodegraven, The Netherlands

The charisteristics of the transfer of re-use waste technology and coal waste material applications
J. Dijk, APM Consultants, The Netherlands

Utilization of fly ash and inert other waste as fill materials for the construction of artificial islands off the coast of Isral
A. Boas, Givatayim, Israel

Properties of portland cement mortars and concretes incorporating high amounts of oil-fuel ashes and sewage sludge ash
Study of cement-based mortars containing spanish ground sewage sludge ash

J. Monzo, University of Valencia, Spain.

Influence of the calcium content on the coal fly ash features in some innovative applications
L. Mavilia, University of Messina, Italy

Infuence of the type of cement used on the leaching of contaminants from solidified waste containing arsenic
V. Dutre, University of Leuven, Belgium

Municipal solid waste, MWSI bottem ashes as a granular base material in road construction
G. Pfrang-Stotz, ITC-TAB, Karlsruhe, Germany

Characterisation of municipal solid waste incinerator residues and assessment of their resourse potential
S. Burrows, University of Exeter, United Kingdom

Reuse of waste as a secundary resourse
J. Beenackers, Beenackers M&T, Schinnen, the Netherlands

Assessment of Organic Compounds Leaching from Contaminated Soil - a Theoretical Approach
K.H. Karstensen, SINTEF, Norway

Experiences with leaching in lysimeters
R. Meij, Kema NV, Arnhem, the Netherlands

Consultants for product devellopment and market introduction. How to develop a well balanced plan
S. Prins, Prins Holland Consultants, Rosmalen, the Netherlands

Scientific university theoretical and experimental study of fly ashes solubility
J. Fournier, CNRS, Paris, France

Crushed masonry 50/150 mm in riverdam "Ventjagersplaat"
H. Rijnsburger, Ministry of Transport, Public Works and Watermanagement, the Nethelands

Sustainable building in the civil engineering sector
H. Wever, Ministry of Transport, Public Works and Watermanagement, the Netherlands

Fly ash as the basic material for inorganic binders production
Utilization of the waste phosphogypsum for the portland cement production
Utilization of waste materials from carpet producties

M. Ilic, IMS Institute, Belgrade, Yugoslavia

Fly ash useful material for preventing concrete corrosion
S. Miletic, IMS Institute, Belgrade, Yugoslavia

A study of the potential of utilising arc furnace slag as filling material in concrete
C. Baevermann, Royal Institute of Technology, Stockholm, Sweden

Immobilization of flue gas cleaning residue from the incineration of chemical waste by calcium aluminates
G. van der Wegen, INTRON BV, Sittard, the Netherlands

Leaching characteristics of communal and industrial sludges
P.A. Cnubben, ECN, Petten, the Netherlands

LCA - software demo / Smart cements
J. De Jong, ENCI NV, Maastricht, the Netherlands

Influence of concrete technical parameters on the leaching behaviour of mortar and concrete
I. Hohberg, IBAC, Aachen, Germany

The Respect-house
M. Vroegop, DHV-AIB, Amersfoort, the Netherlands

MSWI residues (fly-ash and residuals sodium chemicals): "which recycling ways?"
G. Depelsenaire, SOLVAY s.a., Brussels, Belgium

Evaluation of Contaminant Relaese Mechanism for Soils and Solidified /Stabilized Wastes
F. Sanchez, Rutgers University, Piscataway, NJ, USA

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Acknowledgements

We would like to thank the following organizations and institutes for their support of WASCON'97:

EC, DG XII, Brussels, Belgium
Commission of the European Communities, Directorate General XII: Science, Research and Development.Directorate C: Industrial and Material Technologies. Measurements and Testing.

Dutch Ministry of Housing, Physical planning and Environment, the Netherlands

Dutch Ministry of Transport, Public Works and Watermanagement, the Netherlands

NV GKE/Vliegasunie bv, De Bilt, the Netherlands

CROW, Ede, the Netherlands
Foundation for Research and Contract Standardization in Civil and Traffic Engineering

CUR, Gouda, the Netherlands
Center for Civil Engineering, Research and Codes

Japan Waste Research Foundation and Kyoto University, Japan

NOVEM BV, Sittard, the Netherlands
Netherlands Agency for Energy and the Environment

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