Innovative Application Methods of Slags from High-Temperature-Gasifying-and-Direct-Melting System
© TK Verlag - Fachverlag für Kreislaufwirtschaft (9/2016)
JFE High-Temperature Gasifying and Direct Melting Furnace System (hereinafter Gasifying and Melting System) was developed to treat any kind of wastes and to contribute to energy and material recovery. Gasifying and Melting System was developed by integrating company’s original technologies for the iron-making blast furnace and fluidized bed for incineration plants, which the company cultivated over many years. The company’s advanced technologies in these two different fields were combined and integrated into the unique Gasifying and Melting System. This system is a proven technology that realizes high performance

Material Recycling of Polyolefin-Rich Plastic Fractions
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2014)
The material recycling of plastic waste has still an enormous potential, even in countries like Austria or Germany, which have a highly developed waste treatment system. At the moment, approximately 2/3 of the utilized packaging plastics are treated thermally, i.e. as waste derived fuels, and only 1/3 are routed for material recycling.

RoadMap - Mapping in Case of Landfill Mining
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2014)
Raw materials such as steel and energy are becoming scarcer due to the steady growth of the world population and the resulting consumption change. Hence, it is to be expected that the Prices of primary and secondary raw materials will rise in future even more than present.

Life History of the Leoben Waste Landfill Site - Twentyfive Years of Operation – Hundred Years of Sustainability
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2014)
During the first half of the 20th century, several different dumping sites, distributed in two different town districts of Leoben, were used for the disposal of collected municipal solid waste.

Reassessment of risk upon in situ aerobic stabilization of old landfills
© IWWG International Waste Working Group (10/2007)
This paper assesses when application of the threat reduction technology would be appropriate at legacy landfills and presents such application for a proposed aerobic application at a legacy site in central California.

Closure practice and after-care of sanitary landfill sites critical remarks from two decades of practical experience
© IWWG International Waste Working Group (10/2007)
Experience from landfill reclamation in the past leads to a critical assessment of measures, usually thought to be necessary for the long-lasting and sustainable behaviour of MSW landfills. In order to obtain minimum time for after-care, emphasis should be laid on the continuous stabilization of the waste body.

Aerobic in situ stabilization of landfills: long-term experience and new developments
© IWWG International Waste Working Group (10/2007)
The in situ stabilization of old deposits aims for a lasting and controlled reduction of pollutant emissions from the deposited waste in order to diminish expenditure and the duration of landfill aftercare measures. At three landfills in Germany the stabilization operation over a period of 4 – 6 years was completed successfully.

Prediction and reduction of the duration of landfill aftercare
© IWWG International Waste Working Group (10/2007)
A project is being carried out to establish and validate tools which can be used to predict and possibly also influence (reduce) the duration of the aftercare period for modern landfills and to estimate the associated costs.

Case study of application of the in situ aeration on an old landfill: results and perspectives
© IWWG International Waste Working Group (10/2007)
In situ aeration on municipal solid waste (MSW) landfills enables the stabilization of waste by means of aerobic conditions established by air injection into the landfill body. In the last years several experiences of lab, pilot and full scale applications have been carried out worldwide. A full scale application of the in situ aeration by means of the Airflow technology has been carried out at the old MSW landfill of Legnago in northern Italy.

Inorganic waste landfill and final storage quality
© IWWG International Waste Working Group (10/2007)
Terms as ‘landfill stability’ and ‘final storage quality’ are very often used in discussions about sustainable landfill. Internationally accepted definitions are not available. Consequently there is also no shared notion of sustainable landfill. In a Dutch sustainable landfill project it was proposed that: ‘a landfill is stable when the undisturbed contents do no longer pose a threat to the environment in any way’. Clearly the potential threat does not only depend on the landfill but also on the environment. This paper argues that the method used to establish the acceptance criteria for waste on landfills in the Annex II of the European Landfill Directive provides a starting point for the development of a risk assessment method. Such a risk assessment method is necessary to support completion and surrender of landfills. It also helps the evaluation of landfill sustainability.

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