RECYCLING-TECHNIK 2017

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Urban Mining kann als eine Strategie bestehend aus vier Säulen dargestellt werden:

Design for Urban Mining

 

Design for Urban mining
Resource efficiency to product design


Design of processes, products and systems based on the aspects of long-term multiple use: Today's goods can often be difficult to split into individual substances and thus efficiently reused or recycled.
In the future, the aspects of a second and multiple material life should be taken into account already in the design and built into the product.

Resource cadastre

 

Resource cadastre
Preservation of material information

 

Especially for goods with long life at the end of their life, information about the type, quantity and composition of the goods is missing. In the future,  during manufacture or construction existing information should be preserved, so that they are available for recovery at the end of their life. Conceivable are a product pass (pass building or resources) as well as cadastral resources at regional and national level.

Urban prospecting

 

Urban prospecting
From recycling to resource management

 

In mining, geological, geophysical and geochemical methods of prospecting are being used to search and explore new deposits. For Urban Mining such methods for finding and evaluating urban deposits are needed as well. To make urban mining economically competitive, it is necessary to develop appropriate methods for prospecting urban resources.

Resource recovery

 

Resource Recovery
Innovative technologies resources


The knowledge about the quantity, specification and positioning of secondary resources is a prerequisite for successful urban mining. The second requirement is that technologies are available to separate the precious from the worthless substances and pollutants from the available secondary resources in an economic manner. There is a big gap. In the future, new high-tech processes have to be developed that can unravel complex mixtures that could enter tomorrow into today's material storage in the secondary materials industry. These physical, physico-chemical as well as chemical processes must be developed which, with little material and energy expenditure, would allow the recovery of valuable clean products. In the long term, environmentally sound secure deposits must be made available for the disposal of residues. Built on these four pillars, management of substances of anthropogenic camps goes beyond urban mining and far beyond mere recycling. As with the traditional mining it will take some time for Urban Mining and the thereby influenced construction until the new approaches and technologies are developed and implemented. The time is ripe, the anthropogenic warehouses are full and are being filled continuously. Now is the time to take advantage of these new opportunities.
Prof. Dr. Paul H. Brunner, Institute for Water, Resources and Waste, Vienna University of Technology
Prof. Dr.-Ing. Sabine Flamme, Institute for Water - Resources - Environment,
University of Münster

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