Plant Fiber Biodegradable Lunch Box Equipment

Degradable food containers are tableware that can decompose into natural components such as water, carbon dioxide, and organic matter under specific environmental conditions. Compared to traditional plastic tableware, they are more environmentally friendly and have less environmental pollution. The following is a detailed introduction to biodegradable meal boxes:

1, Material composition
Degradable meal boxes are usually made of biodegradable plastics, biodegradable pulp, biodegradable small molecule materials, and other materials. Among them, common biodegradable plastic materials include PLA (polylactic acid), PHA (polyhydroxyalkanoates), etc. These materials are sourced from renewable resources such as corn starch, sugarcane bagasse, etc. In addition, plant fibers (such as wheat straw pulp, sugarcane pulp, bamboo pulp) and corn starch based materials are also important raw materials for making biodegradable lunch boxes.

2, Production process
Taking biodegradable pulp lunch boxes as an example, the production process is roughly as follows:

Raw material preparation: Mix sugarcane pulp, wheat straw pulp, wood pulp and other raw materials in a certain proportion, and soak them in a hydraulic pulper for crushing treatment.
Pulping: Place the crushed slurry into a mixing tank for dilution, and add additives such as oil and water repellent. Stir evenly to form a usable slurry.
Molding: The slurry is transported to the molding machine through the slurry supply pipeline, and the moisture is removed by vacuum filtration, so that the fibers are adsorbed on the wire mesh used for molding, forming a wet embryo.
Hot press molding: Transfer the wet embryo and wire mesh together to a hot press molding machine, squeeze out the moisture in the wet embryo under high temperature and pressure, and dry it to form a semi-finished product.
Edge cutting and inspection: Transfer the finalized semi-finished products to the edge cutting station for edge cutting processing, removing excess edges. Then, inspect the products and pick out those that do not meet the requirements.
Disinfection and packaging: Transfer products that meet the requirements to the disinfection and packaging process, and use ultraviolet disinfection machines for disinfection treatment. The disinfected products are packaged in a closed sterile packaging room and stored in the warehouse.
3, Degradation performance
The degradation performance of biodegradable food containers is one of their most important characteristics. According to standards such as the General Quality Requirements for Disposable Degradable Tableware, the degradation performance of biodegradable meal boxes should meet the following requirements:

Relative biodegradation rate: should be ≥ 90%, and the biodegradation rate of organic components with a composition of ≥ 1% in the material should be ≥ 60%.
Disintegration rate: For the requirement of compostable degradation performance, the disintegration rate should also be ≥ 90%.
The ratio of plant germination rate to plant biomass should be ≥ 90% (required when the food box claims to be compostable).
4, Usage and Recycling
When using biodegradable food containers, attention should be paid to sorting them with other waste for subsequent recycling and disposal. Biodegradable food containers can be decomposed through anaerobic treatment, home composting, and other methods. Under appropriate conditions, biodegradable food containers can quickly decompose into organic fertilizers for plant growth and other purposes.

5, Prospects and Challenges
Biodegradable meal boxes, as an environmentally friendly product, have received increasing attention in recent years. It can not only reduce the environmental pollution caused by plastic waste, but also promote the development of circular economy. However, the promotion of biodegradable meal boxes still faces some challenges, such as high production costs and low consumer knowledge of them. But with the improvement of environmental awareness and technological progress, it is believed that biodegradable lunch boxes will have a broader market prospect in the future.

In summary, biodegradable lunch boxes are environmentally friendly tableware products that have significant advantages in material composition, production process, degradation performance, and usage and recycling. In the future, with the continuous advancement of technology and the improvement of environmental awareness, biodegradable lunch boxes are expected to be widely used and promoted.

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