Description: Das Projekt "Thermische Verwertung von Shredderabfaellen in der Zementindustrie" wird vom Umweltbundesamt gefördert und von Dyckerhoff Zement, Werk Lengerich durchgeführt. Objective: The aim of the project is the erection and testing of a facility demonstrating the utilization of shredder waste as substitute fuel for the production of cement clinker. Investigation is to be carried out to determine the additional equipment and changes that are necessary in an existing plant in order to operate with this substitute fuel and to estimate the extend of its effects on the product, the production plant and the environment. On a 40 per cent estimated substitution of fuel, a saving of 17,000 TOE per year in this plant. Expected payback time is approx. 2 years. General Information: In this project, shredder waste is to be utilized by the cement industry. The project was split in two phases i.e. the preliminary and the large scale demonstration. The first phase was carried out in the Mark 2 B cement plant/Beckum while the large scale demonstration phase was carried out in the Dyckerhoff-Zementwerk in Göllheim. In the preliminary phase investigation was carried in realizing the ability of using shredder as a substitute fuel as well as its possible impact on the product quality and the environment. With the experience gained in the first phase and with an estimated content of 14-16 GJ/T of shredder, the large scale demonstration was planned for the Göllheim factory where the investigation of the storage, transport, dosing, firing and large scale production techniques was done. Additional investigation was carried on the service life of the plant and materials used and their influence on the production process. Achievements: The project lasted 35 months. The preliminary phase lasted 6 while the large scale demonstration 29 months. In the preliminary phase problems of storage and handling of this bulky waste material were met. However no positive environmental implications were reported. In the large scale demonstration phase a number of waste beneficiation test were carried out to ensure that clinker quality was maintained. During this period an increase of the chloride content of the clinker was found thus limiting the amount of fuel substitution to less than 10 per cent to meet the French standards and less than 15 per cent to meet the German. To achieve this, a bypass installation was found necessary increasing further the overall installation cost. Since that time only shredder material with a high content of gum and less plastic material has been used. In the second plant in Beckum we found pcb in the shredder material. For this reason we were obliged to stop the project, because we have no official allowance to burn pcb-contenting material.
Types:
SupportProgram
Origin: /Bund/UBA/UFORDAT
Tags: Zementherstellung ? Beckum ? Gummi ? Zementindustrie ? Ziegelei ? Zement ? Ziegel ? Ersatzbrennstoff ? Baustoff ? Kunststoff ? Chloridgehalt ? Schadstoffgehalt ? Chlorid ? Brennstoff ? Abfallverbrennung ? Abfallverwertung ? Kunststoffabfall ? Polychlorierte Biphenyle ? Sperrmüll ? Umweltauswirkung ? Bundesrepublik Deutschland ? Frankreich ? Energetische Verwertung ? Verbrennungstechnik ? Kies ? Schlacke ? Shredder ? Verbrennung ? Wirtschaftlichkeitsuntersuchung ? Altanlage ? Altgummi ? Zementwerk ? Amortisation ? Brand ? Qualitätsmanagement ? Pflanze des Jahres ? Thermisches Verfahren ? Produktionstechnik ? Schadstoffanalyse ? Betriebskosten ? Verfahrenstechnik ? Vergleichsanalyse ? Wirtschaftlichkeit ? Dosis ? Abfall ? Energieeinsparung ? Ersatzstoff ? Industrieanlage ? Abfallaufkommen ? Brennofen ? Investitionskosten ? Umweltstandard ? Standortbewertung ? Produktbewertung ? Abfallzusammensetzung ? Großprojekt ? Splitt ? Nachrüstung ? Planung ? Ressourcenschutz ? Anlagenbau ? Verkehrssystem ? Versuchsanlage ? Umweltrecht ? Umweltveränderung ? Lagerung ? Produktdesign ? Grenzwerteinhaltung ? Brennstoffeinsparung ? Brennstoffsubstitution ? Göllheim ? Vorverfahren ? Anlagenbemessung ? Maßstabsvergrößerung ? Ausländisches Recht ? Untersuchungsprogramm ? Eignungsfeststellung ? Kleinanlage ?
Region: Nordrhein-Westfalen
Bounding box: 6.76339° .. 6.76339° x 51.21895° .. 51.21895°
License: cc-by-nc-nd/4.0
Language: Deutsch
Time ranges: 1982-05-10 - 1985-03-31
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