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Produce Miscanthus briquettes yourselves… Get informed now!

Written by a.pedko on October 16, 2017 in Cultivation tips Energy plants Miscanthus

Miscanthus giganteus

You can use Miscanthus for many purposes. It can be used as an alternative for bark mulch in a home garden, as a part of admixtures to construction materials in industry, or as chopped materials for combustion and power generation. In view of the growing prices of heating oil and gas,the last one is a really good opportunity to ensure th domestic energy supply at low cost.
At the same time, a larger area especially distinguishes itself in the last few years:

Miscanthus briquetting!

In the so-called briquetting, the energy density is compacted by pressing in the loose hacked materials and made oven-ready in such a manner. The individual steps to produce briquettes can be summarized in 4 key words:

Hacked Miscanthus dried – under 20% of water content

Hacked Miscanthus dried – under 20% of water content

–  Storage container with wood chips
–  Screw conveyor for loading
–  Wood chips press
–  Conical matrix as a forming structure

The goal here is to produce a dimensionally stable briquette. This is, however, only possible, if you are able to press in the chips of relatively homogenous sizes. Therefore, it is advisable to put a round-hole sieve with the desired size (e.g. 8 mm or 25 mm) and send the larger plant parts of the press to a mill for crushing.


When pressing in the loose hacked chips, you should ensure that the temperature of the machine stays below 150° C. When temperatures above 150 ° C are reached, the production pace, say the wood supply, should be reduced. After briquetting, cooling off the finished Miscanthus briquettes is most important!

Here, it would be reasonable to fasten the cooling line to the end of the machine. Since the briquettes harden more efficiently in such a manner, no addition of any binders or glues is necessary, according to our experiences!

In good production conditions, about 400 to 500 kg briquettes can be produced per working hour. Considering the average need for energy of about 85-90 kWh per tonne, the Miscanthus briquetting comes off especially positively both financially and ecologically, especially in comparison to the much more energy-consuming pressing to pellets.

Please find below the significant advantages of the Miscanthus briquetting, summarized briefly and concisely:

–  Production of stable briquettes
–  High energy density
–  Cheaper dosing and flow properties
–  High storage stability and low dust generation when handling
–  Low emissions when burning

Maximilian Voith, May 16, 2014

Self-made briquettes of Miscanthus / elephant grass

Self-made briquettes of Miscanthus / elephant grass

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