Methods for Plastic Wastes Collection

Plastic consumption has grown at a tremendous rate over the past two decades as plastics now play an important role in all aspects of modern lifestyle. Collection and disposal of plastic waste has emerged as an important environmental challenge and its recycling is facing roadblocks due to their non-degradable nature. There are four basic ways in which communities can offer plastic recycling collection services for plastic bottles and containers – curbside, drop-off, buy-back or deposit/refund programs.

Curbside Recycling

The first, and most widely accessible, collection method is curbside collection of recyclables. Curbside (or kerbside) collection is considered a low-risk strategy to reduce waste volumes and increase recycling rates. Materials are usually collected in large bins, colored bags or small open plastic tubs specifically designed for content.

Curbside recycling programs are generally the most convenient for community residents to participate in and yield high recovery rates as a result. Communities that provide curbside collection generally request residents to separate designated recyclables from their household garbage and to place them into special receptacles or bags, which are then set out at the curb for collection by municipal or municipally-contracted crews.

Drop-Off Recycling

In this method, containers for designated recyclable materials are placed at central collection locations throughout the community, such as parking lots, mosques, schools, malls or other civic associations. The containers are generally marked as to which recyclable material should be placed in them. Residents are requested to deliver their recyclables to the drop-off location, where recyclables are separated by material type into their respective collection containers.

Drop-off recycling programs are more suitable when residents are taking their garbage to a central waste collection facility or transfer station. Such programs suffer from low or unpredictable throughput.

Buy-Back Centers

Most buy-back recycling centers are operated by private companies and pay consumers for recyclable materials that are brought to them. Buy-back centers usually have purchasing specifications that require consumers to source separate recyclable materials brought for sale.

These purchase specifications can greatly reduce contamination levels and allow the buy-back center to immediately begin processing the recyclables they purchase, while providing consumers with an economic incentive to comply with the specifications. Buy-back centers are similar to drop-off centers expect they pay waste generators for their items based on market values.

Deposit/Refund Programs

These programs requires collection of a monetary deposit purchase of a plastic container. When container is returned to an authorized redemption center, or to the original seller, the deposit is partly or fully refunded to the redeemer. These programs are familiar to anyone in the USA who has ever purchased a beverage in a can or bottle.

About Salman Zafar

Salman Zafar is the Founder of EcoMENA, and an international consultant, advisor, ecopreneur and journalist with expertise in waste management, waste-to-energy, renewable energy, environment protection and sustainable development. His geographical areas of focus include Middle East, Africa, Asia and Europe. Salman has successfully accomplished a wide range of projects in the areas of biomass energy, biogas, waste-to-energy, recycling and waste management. He has participated in numerous conferences and workshops as chairman, session chair, keynote speaker and panelist. Salman is the Editor-in-Chief of EcoMENA, and is a professional environmental writer with more than 300 popular articles to his credit. He is proactively engaged in creating mass awareness on renewable energy, waste management and environmental sustainability in different parts of the world. Salman Zafar can be reached at salman@ecomena.org or salman@bioenergyconsult.com
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