Sensor based sorting: A key technology for sustainable waste management
© Wasteconsult international (6/2010)
Waste is a heterogeneous mixture of materials often containing reusable or recyclable materials. In accordance with the hierarchy of the EU requirements “Prevention - Preparing for reuse – Recycling - Other Recovery – Disposal of Waste”, waste processing and recycling additionally fulfills the duty to protect the environment and to preserve primary resources. In order to meet the demands of increasing recycling rates and the quality of recycled waste materials sensor based sorting is playing an important and increasing role in waste processing techniques.

The energy management of olive solid waste
© Aristotle University of Thessaloniki (6/2009)
The energy potential of solid olive waste is being examined. These residues fall into two main categories, namely pomace (olive cake) and prunings. The estimated amount of these residues in Europe is about 1.5 million tons, including stones/pits and olive pomace cake with an energy content of approximately 4000kcal/kg.

Investigation on material separation of mixed construction and demolition waste by sorting process
© Aristotle University of Thessaloniki (6/2009)
The final disposal ratio of mixed construction and demolition waste (MCDW) remains high in Japan, while progress has been made in the recycling of other construction and demolition waste. Sorting facilities are expected to play an important role in better management of MCDW. In this study, the feasibility of sorting facilities for the separation of material and of pre-treatment for final disposal was investigated by conducting a batch experiment at an operational facility.

© IWWG International Waste Working Group (10/2007)
A satisfactory behaviour of a drainage system in a landfill is of utmost importance for its overall performance and to minimise environmental damages in case of leakages to the natural ground. Clogging of the drainage system will cause the mounding of leachate on the lining system, increasing the flow rate of leachate through defects in that system. Thus, a well design and constructed drainage system should be able to collect the leachate and conduct it accordingly. Besides, it should also be able to perform its role throughout the entire life time of the landfill.

Paper and cardboard sorting and Baling Plant in Lleida
© Infoenviro (2/2007)
A new paper and cardboard sorting and baling plant was recently started up by Felip Vilella I Fills, S.L., a company that collects, processes and recycles different types of waste. The new plant is an extension of the previously existing facilities that the company employ to handle other types of waste including end-of-life vehicles, scrap metal, batteries, glass and plastics, among others.

Plastic Recycling without separate Collection?
© Lehrstuhl für Abfallverwertungstechnik und Abfallwirtschaft der Montanuniversität Leoben (11/2006)
Innovative methods within the field of waste processing technologies, especially the development of sensor based sorting systems, caused a discussion, whether the separate collection of Light Packaging Waste can be given up.

Extensive Environmental Technologies for Treatment of Municipal Solid Waste and Waste Water
© Wasteconsult international (11/2005)
Mechanical and biological treatment has been established as a concept of handling municipal solid waste. The biological process aims to degrade the organic fraction of the waste to a stabilized product through fermentation and rotting processes. The final maturation produces a depositable residual waste.

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