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Where you shave things, chips will fall

Raw materials are ever more scarce, and the prices are increasing; despite the fact that we handle the starting materials ever-more efficiently, waste will still occur. And there is an unused potential right within these waste materials. These waste materials can be recycled and returned to the energy cycle as often as possible.



What weights more? – One ton of lead or one ton of cotton?

In order for the collected, recyclable raw materials to not take up our storage capacity, or to equalise savings of the return material through the storage costs, this to be reduced to the smallest volume possible. By using briquetting presses, compressible materials can be reduced up to an average compression ratio of 10:1 (for aluminium, up to 20:1!).



Compressible materials

Material in the form of dust, chips or cuttings can be recycled:

  • Aluminium
  • Wood
  • Cardboard
  • Paper
  • Straw
  • Rice husks
  • Styrofoam
  • Polystyrene
  • Polyurethane 



Particularly in the foundry and aluminium industry, the economic and ecological effect are especially high. It is not unusual for the briquette system to pay for itself within 8 to 12 months.


Aluminium example

When aluminium is processed, chips with high-quality coolant and lubricant are discharged. When the briquettes are made, the coolant and lubricant is pressed out of the chips. This can be pumped directly back into the system present. By separating the coolant and lubricant, the transport weight is reduced. The environment is not endangered due to unnecessary fluid loss. The briquetting has an effect of massive reduction of the volume of the raw material from 7:1 up to 20:1. These compact, solid briquettes lower the transport costs through a high container utilisation. During melting, lower loss is generated (burn-off approx. 3 to 5%), because the briquette type has a lower surface than the loose swarf (burn-off approx. 25 to 30%). The Extra earnings from selling the briquettes to aluminium smelting plants is approx. 400 CHF/1,000 kg.



Wood is a natural product. It takes on a burning behavior approximately equal to that of coal through the high compression into a briquette. In addition, the combustion of wood briquettes is CO2-neutral, because only as much CO2 is released into the atmosphere as a growing tree takes up through photosynthesis. Through briquetting of the wood waste (wood cuttings, chips, sawdust), eight times the amount of wood waste can be stored in the same amount of space. In addition, the danger of a dust explosion due to the binding of the wood dust is reduced to the point that no explosion relief systems are prescribed for these spaces. An interesting alternative amid the growing discussions on CO2 emissions, the greenhouse effect and the constantly increasing oil prices that pays for itself!



Natural heat

Wood briquettes can be used not only in chimneys and cockle stoves, but also in almost any solid fuel combustion system. While doing so, 500 kg of briquette made of wood chips correspond to 200 liters of heating oil . Your wood also remains a natural product after it has been briquetted, because it has been compressed under high pressure without any binding material into briquettes of a uniform size and hardness. This corresponds to the requirement according to DIN 51731 - the German standard for wood pellets. 


General dust

Right where industrial filter dust is collected, the danger of self-combustion is very high, depending on the material. With one of the dust presses developed purposely for this field, the surface is compressed with high pressure so that no special protection measures are needed anymore. The enclosure of an expensive CO2 extinguishing system, for example, is completely dispensed with. Industrial dust, metal dust and dust from laser processing can not only be stored without problems after they have been turned into briquettes; rather, they can also be used directly in the smelting process as necessary. Usually, the briquette press can be applied without additional effort under cyclones that throw the dust particles from the air. Often, the use of rotary feeders or similar systems can be dispensed with.


Your gain:

  • Lower storage space through volume reduction
    • Reduction of the transport and handling costs
    • Increased safety
    • Additional profits during recycling (metal)
    • Saving high-quality cooling and lubricant
    • Lowering the combustion costs
    • Additional source of revenue if the wood briquettes are sold