Wood briquettes
Wood briquettes are a solid biofuel in the form of compressed cylinders or blocks produced by high‑pressure compaction of dry wood residues (sawdust, shavings, wood dust), typically without chemical binders. Under high pressure, natural lignin in the wood softens and acts as a binder, providing mechanical strength. Wood briquettes feature uniform geometry, low moisture content, and relatively high energy density, making them suitable for small commercial boiler rooms and household heating appliances. They burn with a stable flame and usually generate less ash compared with many agro biomass fuels and coal.
Category
- Biofuels
- Solid biomass – briquetted fuel from wood residues
- Renewable energy source obtained by mechanical processing of wood waste from the wood industry and forestry
Variations
- Cylindrical wood briquettes (with or without a central hole)
- Rectangular/square wood briquettes (often referred to as “RUF” type)
- Briquettes from softwood (conifers) and hardwood (beech, oak, etc.)
- Different quality grades depending on moisture content, bark share, and impurities
Applications In The Industry
Commercial use
In commercial buildings (small boiler rooms for apartment blocks, hotels, guesthouses, small office buildings, sports facilities), wood briquettes are used as fuel in biomass boilers and stoves of low to medium capacity. Their uniform shape and low moisture enable predictable combustion and relatively simple handling, with the possibility of partial or full automation of fuel feeding in some systems. They are often used as an alternative fuel in small boiler houses of public or service buildings in rural and peri‑urban areas where wood residues are readily available. In restaurants and hospitality facilities, wood briquettes are also used in open fireplaces and stoves, combining heating with visual comfort.
Households
In households, wood briquettes are used in stoves, fireplaces, solid‑fuel cookers, and small central‑heating boilers. They are suitable for users who prefer clean and compact fuel storage (packed or palletized briquettes) and easy firing with longer burn times compared with traditional firewood. Typical uses include:
- heating individual houses and holiday homes via classic stoves and fireplaces;
- small domestic biomass boilers with manual or semi‑automatic fuel loading;
- gradual switch from firewood to a more standardized fuel without major changes to existing equipment.
Thanks to low ash content and consistent lower heating value, households benefit from reduced cleaning intervals for combustion chambers and flue ducts and from more stable and controllable heating performance.
Benefits Of Use
- High energy density and consistent lower heating value compared with traditional firewood, simplifying fuel consumption planning
- Convenient storage and transport (standardized shapes, bags, and pallets), requiring less volume for the same energy content as firewood
- Utilization of wood waste from sawmills and the wood industry, increasing raw‑material efficiency and reducing waste volumes
- Lower ash content and the potential for reduced emissions compared with fossil solid fuels (coal), while maintaining compatibility with existing combustion systems
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