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Dry Mixed Recycling: Approach to Waste Management

Dry Mixed Recycling: In the pursuit of a more sustainable future, efficient waste management systems play a crucial role. Dry mixed recycling (DMR) is an innovative approach that enables the recycling of multiple types of materials in a single collection stream. This article explores the concept of dry mixed recycling, its benefits, the materials it includes, and its role in promoting a circular economy.

Understanding Dry Mixed Recycling (DMR)

Dry mixed recycling, also known as single-stream recycling, is a waste management approach that simplifies the process of recycling by allowing various recyclable materials to be collected together in a single container. Instead of separating different types of recyclables into separate bins, dry mixed recycling programs accept a wide range of materials, including paper, cardboard, plastic containers, glass bottles, and metal cans, all in one collection bin.

The concept behind dry mixed recycling is to make recycling more convenient and accessible for individuals and businesses. By eliminating the need for source separation, where recyclables are sorted into different categories at the point of disposal, dry mixed recycling encourages higher participation rates and reduces the chances of recyclable materials ending up in general waste bins.

Once the mixed recyclables are collected, they are transported to recycling facilities where they undergo sorting and processing. At these facilities, advanced machinery and manual labor are used to separate the different types of materials. Techniques such as conveyor belts, optical sorting systems, and manual sorting are employed to separate paper, plastic, glass, and metal from the mixed recyclables.

After sorting, the materials are further processed to remove any contaminants and prepared for recycling. They are then sent to specialized recycling facilities where they are transformed into new products. For example, paper and cardboard can be turned into new paper products, plastic bottles can be recycled into new plastic items, and metal cans can be melted and used in the production of new metal goods.

Dry mixed recycling offers several benefits. It simplifies the recycling process for individuals and businesses, increasing participation rates and diverting more materials from landfills. It also reduces the need for separate collection bins, saving space and reducing collection costs. Additionally, dry mixed recycling promotes resource conservation by reusing materials and reducing the demand for virgin resources. However, it is important to ensure proper education and awareness about what materials are acceptable for dry mixed recycling and to avoid contamination, as non-recyclable or improperly sorted items can hinder the efficiency of the recycling process.

Materials Included in Dry Mixed Recycling

DMR typically includes the following recyclable materials:

  • Paper and Cardboard: This category includes newspapers, magazines, cardboard boxes, office paper, and other paper-based products.
  • Plastic Containers: Commonly accepted plastic containers include bottles, food containers, trays, and plastic packaging materials. It is important to check local recycling guidelines for specific plastic types accepted in DMR programs.
  • Metal Packaging: This category covers aluminum and steel cans, aerosol cans, and other metal packaging materials.
  • Glass Containers: Glass bottles and jars are also included in DMR programs. However, some recycling systems may prefer separate collection for glass due to its weight and potential for breakage.
  • Tetra Pak and Cartons: Some DMR programs accept Tetra Pak containers and cartons commonly used for milk, juice, and other beverages.

It’s worth noting that the materials accepted in DMR programs may vary depending on the recycling facility and local recycling guidelines.

Benefits of Dry Mixed Recycling

  1. Convenience and Simplicity: DMR simplifies the recycling process for individuals and businesses by eliminating the need for separate bins for different materials. It reduces confusion and encourages higher participation rates in recycling efforts.
  2. Resource Conservation: By collecting and recycling a diverse range of materials, DMR maximizes resource conservation. It minimizes the amount of waste sent to landfills and reduces the demand for virgin materials, thus preserving valuable natural resources.
  3. Energy and Carbon Savings: Recycling materials through DMR requires less energy compared to the production of new materials from raw resources. This leads to reduced greenhouse gas emissions and helps combat climate change.
  4. Cost-Effectiveness: DMR can be a cost-effective waste management solution. It reduces the number of collection rounds required and lowers overall operational costs for waste management authorities.
  5. Promoting the Circular Economy: DMR contributes to the circular economy by facilitating the recycling and reprocessing of materials into new products. It helps close the loop by turning waste into valuable resources, reducing reliance on extraction and manufacturing of virgin materials.

The DMR Process

It include several steps:


DMR collection typically involves placing recyclable materials in designated bins or containers, often provided by local waste management authorities or recycling companies. These bins are distinctively marked and may be color-coded to ensure proper identification.

Sorting and Processing:

Once collected, the mixed recyclables are transported to a sorting facility. Here, advanced technologies and manual sorting methods are employed to separate the different materials. Optical scanners, magnets, and conveyor belts help segregate and separate the various components effectively.

Recycling and Reprocessing:

After sorting, the individual materials are processed for recycling. Paper and cardboard are pulped and turned into new paper products. Plastic containers are melted and reformed into new plastic items. Metal packaging is smelted and transformed into new metal products. Glass containers are crushed, melted, and transformed into new glass products. Tetra Pak containers and cartons are processed to recover the paper, plastic, and aluminum layers for recycling.

Manufacturing of New Products:

The recycled materials are then used to manufacture new products, such as packaging materials, bottles, cans, paper products, and more. These products re-enter the market, completing the cycle of the circular economy.

Best Practices for Dry Mixed Recycling

  • Follow Local Guidelines: Familiarize yourself with the specific guidelines provided by your local waste management authority or recycling company regarding which materials are accepted and how they should be prepared for DMR collection.
  • Proper Contamination Prevention: Ensure that the materials placed in the DMR bin are clean, empty, and free from contaminants. Avoid placing non-recyclable items, food waste, or liquids in the DMR bin.
  • Flatten and Compact: Flatten cardboard boxes and crush plastic bottles to maximize space and efficiency within the DMR bin.
  • Educate and Raise Awareness: Promote the importance of DMR and educate others about the benefits of recycling. Encourage proper sorting and participation in DMR programs to maximize recycling rates.


Dry mixed recycling presents an innovative and sustainable approach to waste management. By combining multiple recyclable materials into a single collection stream, DMR streamlines the recycling process, conserves resources, reduces waste sent to landfills, and promotes the circular economy. By embracing DMR and adopting best practices, individuals, businesses, and communities can contribute to a more sustainable future, where waste is seen as a valuable resource rather than a burden.

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