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Recycling & sorting

Recycling & sorting

The recovery of metals from flows of waste or raw material (for reuse, among other purposes) is becoming increasingly important. Raw materials are becoming scarcer and the costs of waste disposal continue to rise.

Governments are seeking to reduce the environmental burden too, by promoting and subsidizing recycling initiatives for example.

This results in increased market demand for the recycling of metals from waste. Goudsmit has developed many separators that can pick out pieces of metal. These are often very valuable metals, which often makes the payback period very short.
In this way waste products are made reusable for new applications. Examples include Green Deals, Urban Mining, E-Waste recycling and the EU Waste Directive (Directive 2008/98/EC); the trends for the future!

Mobile 'Skid' Eddy Current separator 

Goudsmit's recycling magnets separate; ferromagnetic parts such as iron, steel and weakly magnetic metals such as machined stainless steel, but also non-ferromagnetic parts, such as: aluminum, copper, zinc, gold, silver, magnesium etc.

Applications for magnetic separators include:

Separation/recovery of ferrous metals:

Goudsmit has a wide selection of overbelt and suspension magnets that stand out in terms of their service life, robust construction, magnetic force and magnetic field depth.

For product flows with sharp pieces of metal – which makes a belt conveyor a poor choice – Goudsmit has drum magnets, including special versions for handling scrap metal. These feature extra-robust construction, which results in a nearly maintenance-free, durable solution. When there is little space available for installation, head roller magnets are the best solution for removing ferrous metals from a bulk or other product flow. These are available in various sizes, with various magnetic systems, so we always have the right solution for your product flow. See, for example on the right, a picture of an electro-overbelt magnet in a transverse arrangement above a pulley, used for the recovery of ferrous metals.



Electro overbelt/overband suspension magnet

 

Separation/recovery of non-ferrous metals:

Eddy current and sensor separators sort non-ferrous metals, such as aluminium and copper from primary and/or secondary raw material flows. Many times we employ a combination of these separators, one after the other (see photo). This is because, in terms of particle size, the fraction must lie within a certain bandwidth to achieve the best separation yield.

Through the use of advanced magnet simulations, Goudsmit has developed the optimal magnetic system (each with its own specific magnet construction) for every fraction distribution. By strategically placing these in the process line you can efficiently achieve optimal recovery of valuable metals. Goudsmit's specialists are happy to advise you concerning the most effective placement of these machines. See the video for an explanation of the operating principle of Eddy Current separation technique.

Elimination of impurities from product flows:

Magnetic separators are also often used for elimination of impurities and removal of undesirable ferrous and non-ferrous metal from bulk and other product flows.
A good example is shredded plastic pump bottles that contain steel or stainless steel balls and springs in the pump mechanism: to obtain a pure, reusable plastic flow these undesirable pieces must all be removed. See the video for an example of product purification using an Eddy Current Separator.



Applications

Goudsmit magnetic separators, non-ferrous separators and sensor separators for the recycling industry are constructed very robustly, so they provide outstanding performance under even the most demanding conditions. Recycling separators fall under the VAMIL/MIA scheme (Dutch tax relief schemes for environmentally friendly investment), which means you can count on a rapid return on investment.
Magnetic separators from Goudsmit are used for applications such as:  

  • waste (C&I / C&D / RDF / MRF / WTE)
  • construction and demolition waste 
  • WEEE (electronic waste scrap)
  • scrap metal
  • shredder-residue (ASR / SHF / SLF / Fluff)
  • IBA (Incineration Bottom Ashes)
  • biomass / wood / compost / paper
  • glass
  • rubber
  • plastics



Shreddered 'E-Scrap' electronic waste scrap: tested and analyzed at the Goudsmit test centre
Particles/pieces to be separated

Products

Suspended magnets

For installation above conveyor belts in the bulk transshipment or recycling industries. Removal of ferrous particles from raw materials containing relatively little metal. Cleaning manually or automatically.

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Magnetic head pulleys

Placement in existing conveyor belt systems, in the bulk transshipment or recycling industries for example. Suitable for separating difficult shapes and weakly magnetic particles. Continuous discharge of ferrous particles.

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Magnetic drum separators for recycling

Magnetic drum separators automatically and continuously separate large quantities of ferrous particles from bulk product flows. Several types of drum even separate weakly magnetic particles.

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Overband magnetic separator

For installation above conveyor belts in the bulk transshipment or recycling industries. Remove ferrous particles from raw materials and carry them away automatically and continuously.

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Eddy current separators

Eddy current separators remove non-ferrous metal particles, such as copper and aluminium, in a continuous process. For the recovery (recycling) or removal of metals.

More information