Technische Universiteit Delft

Urban Mining Corp B.v

Adr Technology B.v.

Inashco R&d B.v.

Technische Universiteit Delft Faculteit Technische Aardwetenschappen

Dhv Milieu En Infrastructuur B.v.

Bakker Holding Son B.v.

Feelgood Metals B.v.

Western Seed International B.v.

Gemeente Amsterdam, Afval Energie Bedrijf

C2ca Technology B.v.

Myneip B.v.

Resteel B.v.

Reukema Participations B.v.

Recycling Avenue

Peter Carlo Rem

Simon Peter Maria Berkhout

Simon Petrus Maria Berkhout

Laurens Anton Van Kooy

Martinus Cornelis Maria Bakker

Piotr Jakub Glazer

Eduardus Julius Van Poppel

Simon Peter Berkhout

Jacques Rene Alphons De Koning

Erwin Johannes Bakker

Mohammed Abdur Rahman

Francesco Di Maio

Shriya Reddy Paida

Giel Hermans

Abraham Teklay Gebremariam

Norbert Otto Fraunholcz

Walterus De Vries

Ronald Alphons Penners

Simon P Berkhout

Hendrik Polinder

Renata Dorothea Van Der Weijden

Shyama Prasad Banerjee

Johannes Gerardus Anna Bleijs

Hans Van Craaikamp

Thijs Matthias Jacobus Bergmans

Wil Sierhuis

Jaap Heijboer

Otto Norbert Fraunholcz

Yongli Wu

Harry Fase

Peter Berkout

The invention is directed to a method and a system for producing a ferrofluid comprising providing a stock solution with Fe(II) and Fe(III); mixing the stock solution with a base to form magnetic nanoparticles and a spent solution, said method further comprising a separation step of separating the nanoparticles from the spent solution by applying a magnet to immobilize the nanoparticles and remove at least part of the spent solution as supernatant from the immobilized nanoparticles. In another aspect, the invention is directed to the resulting ferrofluid.

Ferrofluid

A process and a system for producing a stock solution for production of a ferrofluid is provided. The process includes contacting an acidic solution in a reaction container filled with an excess of a bulk material containing Fe(III) and optionally Fe(II). The acid reacts with the bulk material to form the stock solution (Ls) having dissolved ferric (Fe(III)) and optionally ferrous (Fe(II)) ions which is then separated from the bulk material.

Stock solution

Method and system to convert demolished concrete into a readily recyclable product which is capable to reliably replace virgin feedstock that is used for manufacturing concrete, wherein converting the demolished concrete into the readily recyclable product comprises adding a plurality of information carriers to said product, wherein the plurality of information carriers are regularly distributed into said product by securing that each separate fraction of the product will hold a dedicated information carrier, and wherein each such dedicated information carrier is arranged to refer to information that is characteristic for the fraction of the product in which the dedicated information carrier is contained.

Method and system to convert demolished concrete into a readily recyclable product

A magnetic density separator comprising a process channel through which in use magnetic process liquid and particles to be separated flow in a flow direction, a magnetization device that is arranged to extend in flow direction along at least one of the walls of the channel so as to in use apply a magnetic field to the process liquid in a separation zone of the channel to establish a cut density of the magnetic process liquid to separate the particles in the process liquid based on their density, a laminator through which the magnetic process liquid is introduced into the channel to flow laminarized in flow direction along the separation zone, and a feed through which a mixture of process liquid and particles to be separated is introduced into the process channel to join the laminarized process liquid, characterized in that the feed includes an entraining device.

Magnetic density separation device and method

A separation apparatus, comprising an identifier arranged to identify the particles in a group of particles that have a specific property, an affinity modifier arranged to modify an affinity of the identified particles relative to that affinity of non-identified particles in an group, and a separator arranged to separate the particles in the group based on their difference in the affinity.

Sensor separation apparatus and method

A magnetic density separator includes a process channel, a magnetization device, a laminator, and a feed including an entraining device. The process channel may permit magnetic process liquid and particles to be separated to flow through in a flow direction. The magnetization device may be arranged to extend in flow direction along at least one of the walls of the channel and to apply a magnetic field to the process liquid in a separation zone of the channel to establish a cut density of the magnetic process liquid to separate the particles in the process liquid based on their density. The laminator may be configured to introduce magnetic process liquid into the channel to flow laminarized in flow direction along the separation zone. The feed may introduce a mixture of process liquid and particles to be separated into the process channel to join the laminarized process liquid.

A method and related apparatus for liberating particles with specific dimensions from a moist Municipal Solid Waste Incinerator ash (MSWI ash) material comprising particles with differing dimensions. In an aspect, the method comprises feeding an amount of the material in a particle stream, striking the particle stream with a striking body to impart a sudden change in direction of the particle stream, receiving at least a part of the stricken particle stream on a moving surface, and transporting the received particle stream to an outlet beyond the receiving area where the particle stream is divided in a first fraction rich of particles of a first group of particle dimensions, and at least a second fraction rich of particles of a second group of particle dimensions, which second fraction is substantially depleted of particles of the first group of particle dimensions.

Method and apparatus for liberating particles from moist  MSWI ash

A system and method for magnetic density separation of products. The system including a magnet configured to amplify a density gradient in a magnetic liquid for separating the products in the magnetic liquid according to their different density. A plate shape is disposed along a product path where respective products travel through the magnetic liquid. A driving mechanism is configured to drive the plate shape with a reciprocating motion for lowering a static friction of the respective products coming into contact with the plate shape. Accordingly, process continuity can be improved while maintaining a high separation efficiency, in particular by alleviating material build-up and clogging of products at the splitter and other surfaces with minimal disturbance to the process flow.

Splitter for magnetic density separation

The invention relates to a separation-apparatus for separating from a particle-stream at least a first fraction with particles of a first group of dimensions, and a second fraction with particles of a second group of dimensions, comprising an infeed-device for the particle-stream, a rotatable drum having at its circumference plates, each plate having a radially extending hitting surface for the particles, at least a first receiving area proximal to the drum for receipt therein of particles of the first fraction, and at least a second receiving area distant from the drum for receipt therein of particles of the second fraction, wherein the apparatus has a housing so as to protect the particles from outside weather-conditions, allowing that the particles of the particle-stream to be processed by said apparatus have dimensions in the range 0-15 mm.

Separation-apparatus

A planar magnet for magnetic density separation, comprising an array of pole pieces succeeding in longitudinal direction of a mounting plane, each pole piece having a body extending transversely along the mounting plane with a substantially constant cross section that includes a top segment that is curved to distribute the magnetic field associated with the top surface of the pole piece such that its strength transverse to the mounting plane is substantially uniformly distributed in planes parallel to the mounting plane, the curved top segments having a width (w) in longitudinal direction of the mounting plane and a maximum height (h) transverse to the mounting plane, wherein the top segments of successive pole pieces are unequal in height and/or width.

Magnet and device for magnetic density separation

Separation apparatus

Eddy current separation apparatus for separating particles from a particle stream. The eddy current separation apparatus comprises a separator drum adapted to create a first particle fraction and a second particle fraction, a feeding device upstream of the separator drum for supplying particles to the separator drum, and a splitter element provided downstream of the separator drum for splitting the respective fractions. The eddy current separation apparatus further comprises a sensor device arranged for detecting particles, and counting and/or detecting material properties of the detected particles, from at least part of one of the particle fractions. The eddy current separation apparatus is configured to adjust, in use, a position and/or orientation of the splitter element with respect to the separator drum and/or a transporting velocity of the feeding device in dependence of a signal from the sensor device based on a counted number and/or material properties of the detected particles.

Eddy current separation apparatus, separation module, separation method and method for adjusting an eddy current separation apparatus

A separation-apparatus for separating from a particle-stream at least a first fraction with particles of a first group of dimensions, and a second fraction with particles of a second group of dimensions, comprising an infeed-device () for the particle-stream, a rotatable drum () having at its circumference plates (), each plate having a radially extending hitting surface for the particles, at least a first receiving area () proximal to the drum for receipt therein of particles of the first fraction, and at least a second receiving area () distant from the drum for receipt therein of particles of the second fraction, wherein a conveyor () in the second receiving area () moves during use at a speed of at least 2 m/s.

Growing community of inventors

Rijswijk, Netherlands

Peter Carlo Rem