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July 22, 2025

All About RUF Wood Briquettes: Production, Quality and Benefits Heating with Wood – Efficient and Sustainable

As energy prices for oil and gas continue to rise, wood has regained its importance as an energy source. It is locally available, cost-stable, and environmentally friendly. One of the most efficient ways to use wood energy is in the form of briquettes – such as RUF wood briquettes.

How Are RUF Wood Briquettes Made?

RUF briquettes are made from dry wood chips or sawdust – entirely without any binders. High hydraulic pressure liquefies the natural lignin found in wood, which then acts as a binding agent and forms the briquette’s solid shape.

Typical Characteristics:

  • Dimensions: approx. 155 × 65 × 100 mm
  • Density: approx. 1.0 kg/dm³ (depending on material)
  • Energy content: approx. 5.0 kWh/kg

Thanks to their high density and uniform size, RUF briquettes burn slowly and evenly, providing long-lasting heat.


The Right Equipment: Wood Briquetting Machines

Producing quality briquettes requires the right technology. Our wood briquetting machines are specially designed for compacting wood residues into high-density, ready-to-sell briquettes.

Advantages of RUF briquetting systems:

  • Compact design – fits into existing production environments
  • Plug & Press – fast installation and commissioning
  • Low maintenance – engineered for efficiency and uptime
  • Fully automated 24/7 operation
  • Extremely durable – built for long-term industrial use

What Defines High-Quality Briquettes?

Various wood-based materials can be used for briquetting – from fine sawdust to coarse wood chips. The crucial factor is a residual moisture content below 12%. Quality standards such as DIN 51731 or Ö-Norm M7135 help ensure consistent product quality. Certified briquettes are tested to meet these standards.

RUF briquettes offer significant advantages over traditional wood fuels – both economically and environmentally:

Key Benefits of RUF Wood Briquettes

  • Increased revenue from a marketable end product
  • No additives required – pressed using natural lignin only
  • CO₂-neutral fuel – sustainable and climate-friendly
  • Higher energy content than firewood
  • Space-saving storage thanks to rectangular shape

Briquettes vs. Firewood: A Comparison

Compared to logs, RUF briquettes provide a higher energy yield in a more compact form. For example:

  • 1 ton of RUF briquettes ≈ 5,000 kWh of energy
  • 1.24 t of softwood or 1.30 t of hardwood
  • 4.6 stacked cubic meters (Ster) of softwood
  • 3.25 Ster of hardwood

They are also easier to stack and store, saving valuable space.

Note:

RUF Maschinenbau does not produce briquettes itself. We are specialized in designing and manufacturing the briquetting systems that enable efficient briquette production.



Conclusion

RUF wood briquettes are an efficient, clean, and sustainable way to harness the energy stored in wood. Their production requires no binders – only pressure and dry raw material. With our hydraulic briquetting machines, wood residues can be turned into a valuable fuel with a strong market demand.