Respiratory system

Breathing system to decompose bio-waste aerobically, i.e. the waste dries out instead of rotting. The method reduces bad odours and flies, for example.

The respiratory system is based on ventilation. It contributes to the evaporation of liquid from the waste, reducing the problems of bad smells and flies. The waste is also lighter to transport and does not get stuck in an outdoor bin. The waste is transported to a biogas plant. When ventilation works throughout the chain, the result is optimal.

Using a paper bag in an airy bin keeps the bin clean and fresh. Paper bags have a special ability to store and evaporate moisture from biowaste. The bag, made of water-repellent wet laid paper, is suitable for a breathable system as it allows water vapour to pass through but not water droplets. The bag is approved according to the European standard EN 13432.

Paper bag is carbon neutral

Carbon-neutral paper bag is an environmental breakthrough compared to other types of bags compared to other types of paper. Plastic bags produce carbon dioxide, bioplastic bags produce carbon dioxide. cause acidification and eutrophication. Paper bags is well suited for sorting and can collect the most waste.

Always use an airy 8L biowaste container, as a sealed container will not allow the bag to get the air it needs and there is a risk of leakage.

Respiratory system
  • Replace the bag after 2-3 days, even if it is not full.
  • Close the bag carefully by wrapping or folding the top of the bag closed.

Rubbish bins

Bags are placed in bins, which are emptied at regular intervals.

The optimal situation is to use litter bins that are ventilated from the sides and top. A raised grate base supporting the bag facilitates ventilation and gives good results.

Rubbish bins


More and more municipalities are opting for paper bags and a breathable system for collecting biowaste.

  • The aeration system collects most biowaste, aerates the biowaste and operates in biogas plants.
  • In addition, the paper is produced from renewable raw materials and helps reduce carbon emissions.

Wastebag packageRespiratory system

The aeration system is based on aeration and dries the waste instead of rotting it. The method allows water to evaporate from the waste, which means that the bad smell is reduced and the waste becomes lighter. In this method, the paper bag is made of a special water-repellent WR paper. It is the only environmentally sound option because of its unique ability to let moisture pass through and evaporate away.


Paper bagPaper bag

A paper bag made of WR paper is the most important part of a well-functioning breathable system. The paper in the bag is made from renewable natural resources, namely pure and intact fibres from the northern coniferous forest. The special quality of WR paper allows water molecules to pass through, but not water droplets, making the bag waterproof. The bag is fully biodegradable and has been approved according to the European standard EN 13432. The bag is flat to minimise seams.



For the ventilation system to work, it is essential that the paper bag is placed in an airy rack. It has strips at the bottom on which the bag stands and large open surfaces on the sides to ensure optimum ventilation. Paper bags must not be placed in a closed container as the bag cannot dry in this case. The container is made of recycled polypropylene.



The paper bag is easy to close. The biowaste is filled up to the maximum level mark on the inside, then the top of the bag is rolled up. On the rack, the bag breathes even when closed. The closure also keeps flies and other pests away from the contents.


WR paperWR paper

WR paper is made from new fibres to make the bag more durable and cleaner. The fibres are long and strong, so the bag is more resistant to stress. Clean and new fibres ensure that the final product is also clean. The fibres come from Nordic coniferous forests. Raw materials such as wood shavings and other parts that are not used in the sawmill industry are used as raw materials. The paper is very elastic and durable. It also has a low Gurley number, which makes it very permeable to air.


Embossed surfaceEmbossed surface

The surface of the paper is embossed, so the surface area of the bag is larger per square centimetre. In addition, the bag does not have the same contact surface with the walls of the bin as a perfectly smooth bag. The embossed surface also allows the bag to be well ventilated, which makes the biowaste dry and light. Problems such as the biowaste freezing to the bin or a bad smell are greatly reduced. The bin can also be fitted with an inner bag made of wet-strength paper. This paper bag keeps the bin clean and fresh. In addition, the paper bag absorbs any liquids and evaporates them away. If liquids get into the biowaste truck, the bag can absorb them, making the biowaste easier to handle.


Results fromResults from

The bag is constantly being improved and refined. This in turn ensures that the bag is smooth to use and delivers good environmental results. Our bag, which is EN 13432 approved, brings high quality to biowaste. This in turn reduces carbon emissions and improves the cycle. One of the great benefits of the paper bag is that it does not need to be separated from the biowaste before it goes to the biogas plant. In this way, no bio-waste is lost in the process. The paper bag collects the largest amount of bio-waste compared to other collection methods.

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