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Lotfi, S. (author), Rem, P.C. (author)
In the C2CA concrete recycling process, autogenous milling of the crushed End of Life (EOL) concrete is a mechanical method to remove cement paste from the surface of aggregates. During autogenous milling, the combination of shearing and compression forces, promotes selective attrition and delivers a better liberation. In order to investigate...
conference paper 2015
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Di Maio, F. (author), Lotfi, S. (author), Rem, P.C. (author), Bakker, M. (author), Hu, M. (author)
lecture notes 2014
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Lotfi, S. (author), Deja, J. (author), Rem, P.C. (author), Mroz, R. (author), Van Roekel, E. (author), Van der Stelt, H. (author)
conference paper 2013
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Bakker, M.C.M. (author), Rem, P.C. (author), Berkhout, S.P.M. (author)
The invention relates to a method of and a device for separating scrap comprising scrap items of a first type and of a second type, at least one of said types of scrap comprising metal. According to the invention, the method comprises the steps of passing a spot of light over the surface of a scrap item, and performing a plurality of successive...
patent 2013
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Rem, P.C. (author), Van den Broeck, F. (author), Bakker, M.C.M. (author)
Post-consumer steel scrap is often hand picked for contaminants such as copper to meet specifications of steelmakers. If the hand sorting capacity exceeds 20 tons scrap/h the efficiency generally becomes problematic, leaving 50% of the copper contaminants in the steel product. In response, new technologies are emerging that facilitate hand...
journal article 2012
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Rem, P.C. (author), Di Maio, F. (author), Hu, B. (author), Houzeaux, G. (author), Baltes, L. (author), Tierean, M. (author)
The paper presents the researches made on the FP7 project „Magnetic Sorting and Ultrasound Sensor Technologies for Production of High Purity Secondary Polyolefins from Waste” in order to develop a magnetic fluid equipment for sorting of polypropylene (PP) and polyethylene (PE) from polymers mixed waste streams. Because both PP and PE float in...
conference paper 2012
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Rem, P.C. (author), Bakker, M.C.M. (author), Berkhout, S.P.M. (author), Rahman, M.A. (author)
Eddy current separation apparatus (1) for separating particles (20) from a particle stream (w), wherein the apparatus (1) comprises a separator drum (4) adapted to create a first particle fraction (21) and a second particle fraction (23), a feeding device (2) upstream of the separator drum (4) for supplying particles (20) to said separator drum ...
patent 2012
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Hu, B. (author), Giacometti, L. (author), Di Maio, F. (author), Rem, P.C. (author)
The paper introduces a new recycling method of WEEE: Magnetic Density Separation. By using this technology, both grade and recovery rate of recycled products are over 90%. Good separations are not only observed in relatively big WEEE samples, but also in samples with smaller sizes or electrical wires.
conference paper 2011
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Rem, P.C. (author), Berkhout, S.P.M. (author)
A method and apparatus for separating solid particles of different densities, using a magnetic process fluid. The solid particles are thoroughly mixed in a small partial flow of the process fluid. The small turbulent partial flow is added to a large laminar partial flow of the process fluid, after which the obtained mixture of the respective...
patent 2011
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Rem, P.C. (author), Berkhout, S.P.M. (author)
Method for separating a non-ferrous metal-comprising fraction from ferrous scrap, wherein the ferrous scrap is conveyed to a processing device for separating the non-ferrous metal-comprising fraction from the remainder of the ferrous scrap. The processing device supplies a beam of water, and the ferrous scrap is conveyed and released into the...
patent 2010
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Rem, P.C. (author), Berkhout, S.P.M. (author)
Using of an apparatus for separating magnetic pieces of scrap-material of a first group from magnetic pieces of scrap- material of a second group, wherein a mixture of pieces of scrap-material from the first group and from the second group is collectively transported with a conveyor to a separating zone, in which separating zone the pieces or...
patent 2010
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Berkhout, S.P.M. (author), Rem, P.C. (author)
The invention relates to a separation-apparatus (1) for separating from a particle-stream (4) at least a first fraction with particles (3) of a first group of dimensions, and a second fraction with particles (3) of a second group of dimensions, comprising an infeed-device (2) for the particle-stream (4), a rotatable drum (5) having at its...
patent 2009
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Rem, P.C. (author), Berkhout, S.P.M. (author), De Koning, J.R.A. (author)
A method for separating seeds of different densities in a process stream, wherein the seeds are introduced into a magnetic process fluid for the formation of the process stream, which process stream is subjected to a magnetic field for the realization of a density stratification in the process stream, such that the individual seeds in the...
patent 2009
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Rem, P.C. (author), Berkhout, S.P.M. (author), Fraunholcz, O.N. (author)
The invention relates to a process and device for the separation of fragments of liberated ferrous scrap from not liberated ferrous scrap fragments by means of a static magnet, wherein a mixture of said liberated ferrous and not liberated ferrous fragments is fed onto a continuous conveyor belt which is driven around drums and wherein said...
patent 2008
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Rem, P.C. (author), Berkhout, S.P.M. (author)
The invention relates to an apparatus and a method for separating a material stream consisting of several materials. The materials to be separated have different densities or density ranges, so that the material of the highest density can be discharged through a screen of the apparatus, while the material of the lowest density can be discharged...
patent 2007
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Rem, P.C. (author), Van Craaikamp, H. (author), Berkhout, S.P.M. (author), Sierhuis, W. (author), Van Kooy, L.A. (author)
A method for treating bottom ash from a waste incineration plant. The invention relates in particular to a method for treating bottom ash from a domestic waste incineration plant. In accordance with the invention bottom ash having a size ranging up to 2 mm is treated by removing a previously determined component. The treatment comprises at least...
patent 2007
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Rem, P.C. (author), Van Kooy, L.A. (author)
The invention relates to a method of in a liquid separating a mixture of particles that within chosen limits have different physical property values, wherein the particles to be separated are supplied via a feeder to a screen upon which a layer of facilitating particles is disposed, the size of the facilitating particles being too large to fit...
patent 2004
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Van der Weijden, R.D. (author), Rem, P.C. (author)
The invention relates to a method for the recovery of non-ferrous metal-comprising particles from a particle stream. According to the invention, the particle stream is put onto a conveyor belt in the form of a monolayer such that with the aid of a liquid, at least the non-ferrous metal comprising particles will adhere to the conveyor belt, and...
patent 2004
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Rem, P.C. (author)
Recovery of non-ferrous metal particles from a stream to yield non-ferrous metal-enriched and metal depleted fractions involves putting the stream onto a conveyor belt (1) as a mono-layer such that with the help of water at least the non-ferrous metal particles get adhered to the belt; subjecting the moist mono-layer to magnetic field rotating...
patent 2004
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Rem, P.C. (author)
Separation of particle fraction from particle stream in a fluid e.g. aqueous liquid medium under gravitational force based on difference in vertical velocity involves passing the fluid and particle in horizontal direction defining relative direction of movement; collecting first particle fraction and second particle fraction in respective...
patent 2004
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