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Odour Balance - Biofilter Material for Biodegrading Odorous Contaminants Service

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The quality and composition of biofilter material are crucial for effective odor control processes. Odour Balance® employs various blends of biofilter materials, each meticulously formulated to address specific environmental conditions. Different microorganisms work symbiotically to degrade odorous contaminants, and the biofilter materials are freshly produced to ensure optimal biological activity and performance. Odour Balance® uses high-quality materials such as French maritime pine bark, shredded root wood, wood chips, and coconut mix. French maritime pine bark, known for its durability, has a density of 350 kg/m³ and is mold and rot-free. It is shredded into square particles and has a moisture content of less than 40%. Shredded root wood, sourced from various native tree stumps, comes in different particle sizes and serves as a low-density airflow layer. Wood chips and chunks, with densities of 250 to 350 kg/m³ and moisture content under 60%, are ideal for ensuring good airflow and facilitating oxygen-rich conditions for microorganisms. Coconut mix offers a long-lasting resistance and large contact surface, often used in sewage and process water treatment plants.
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French maritime pine bark (Pinus Maritima)
This hard bark has a density of 350 kg/m, is mold and rot-free and is shredded into largely square particles of 40 to 100 mm. Plastics and metals are not present in the volume and less than 1% consists of sand and dust. A maximum of 10% of the volume consists of wood particles. The moisture content is less than 40%. French maritime pine bark is reddish brown and is known for its durability and efficiency.

Shredded root wood
Stumps of various native trees are reduced to erratic particles of various sizes. The most commonly chosen sizes are: 40 to 80 mm, 40 to 250 mm and 40 to 400 mm, often incorporated as a combination of particles or used as a low density airflow layer among other biofilter media. Due to its capriciousness, shredded root wood cannot be easily controlled as a standard product. Therefore, deviations from the ‘sieving mat’ are acceptable.

Wood chips and chunks
Tree trunks are chopped or shredded into particles of 5 to 120 mm. The smaller particles are called chips and the larger parts (60 to 120 mm) are called chunks. The density of this material is 250 to 350 kg/m. The moisture content is less than 60%. Chunks are especially suitable as an approach layer under other biofilter media or as a very open structure layer to allow oxygen-rich air to pass through easily. In biofilters, this structure also ensures good airflow for a long time, so that the micro-organisms in the top layers can do their job well. Smaller chips are used in the top layers of biofilters, or as structural material e.g. native barks.

Cocunut mix
Coconut fiber has a long resistance in combination with a large contact surface. It decays slowly and therefore has a long service life. If necessary, a small amount of peat is added as ‘food’. It is widely used on sewage and process water treatment plants.