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Suitable Separation Treatment of Stony Components in Construction and Demolition Waste (CDW)



Title: Suitable Separation Treatment of Stony Components in Construction and Demolition Waste (CDW)
Author(s): Hendriks
Paper category : conference
Book title: International RILEM Conference on the Use of Recycled Materials in Building and Structures
Editor(s): E. Vázquez, Ch. F. Hendriks and G.M.T. Janssen
Print-ISBN: 2-912143-52-7
e-ISBN: 2912143756
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 166 - 172
Total Pages: 7
Nb references: 9
Language: English


Abstract: Worldwide most construction and demolition waste (CDW) is currently dumped. Even
though it has been recycled in some countries for examples, the Netherlands, Belgium and
Denmark, most of the recycled CDW are reused in low technical applications of road
constructions. It is down-cycled. To close the building cycle and the building materials cycle
by recycling CDW in high technical applications, the technical quality of stony materials must
be improved. For this purpose, concrete rubbles and brick rubbles, the two major stony
constituents of CDW, should be separated from each other. Based on the differences in
density and content of Fe2O3 between the two materials, a wet method of jigging and a dry
method of magnetic separation are effective, tested in laboratory.


Online publication: 2004-09-29
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143756.019


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