Biodegradation Processes of Our Biodegradable Slippers Materials
These disposable slippers are made from natural and biodegradable materials: organic cotton in the upper and insole, paper pulp sole, and in certain models, jute or cork. The main decomposition processes of each material are described below.
Organic Cotton
Cotton is a plant fiber primarily composed of cellulose. Its structure allows fungi and bacteria to produce enzymes capable of breaking down polysaccharide chains. As these processes advance, the fiber loses strength, disintegrates, and eventually transforms into carbon dioxide, water, and microbial biomass.
Paper Pulp
Paper pulp consists of minimally processed cellulose fibers. Moisture accelerates the action of microorganisms that rapidly degrade the fibers, causing softening, fragmentation, and subsequent mineralization. In suitable aerobic environments, the process is especially fast.
Jute Decomposition
Jute is composed of cellulose, hemicellulose, and lignin. Biodegradation begins when microorganisms penetrate the fiber surface and produce enzymes that break down its components. Cellulose and hemicellulose decompose first; lignin requires more time. During the process, jute loses rigidity, fragments, and eventually integrates into the soil as simple organic matter.
Cork
Cork comes from the bark of the cork oak and is made of suberin, lignin, and waxy compounds. Although more resistant than other plant fibers, it also biodegrades. Its decomposition occurs through specialized fungi capable of attacking suberized cell walls. The process is slow, but in composting environments or active soils, it eventually degrades into stable organic compounds.
Estimated Biodegradation Time (by Environment)
Organic Cotton
- Domestic or industrial composting: 1 to 5 months.
- Moist, aerated soils: around 2 to 4 months.
- Dry environments or low microbial activity: slower degradation, possibly exceeding 6 months.
Paper Pulp
- Active composting: 2 to 8 weeks.
- Moist soils: 1 to 2 months.
- Dry environments: may take longer depending on pulp density.
Jute
- Well-oxygenated compost: around 2 to 3 months for visible degradation.
- Moist soils: 3 to 6 months for advanced decomposition.
- Dry or cold environments: may take several additional months due to lignin content.
Cork
- Industrial composting: 6 to 12 months.
- Natural soils with biological activity: 1 to 2 years, depending on cork thickness.
- Low moisture environments: much slower degradation.
Estimated Biodegradation Instructions
- Favorable conditions: place slippers in domestic or industrial compost, or moist soils with good aeration.
- Organic cotton: biodegrades over 1 to 5 months, losing strength as enzymes act on cellulose.
- Paper pulp: usually decomposes first, in 2 to 8 weeks, due to its porous structure and high cellulose content.
- Jute (if applicable): gradually decomposes between 2 and 6 months, depending on environment.
- Cork (if applicable): slower degradation, may take 6 months to 2 years depending on surroundings.
- Estimated total time: under optimal conditions, most components may be fully degraded in 3 to 5 months; in models with cork, the complete process can take longer.
- How to accelerate biodegradation: cut or fold slippers, maintain adequate moisture, promote aeration, and mix with organic waste to improve the carbon/nitrogen ratio.
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