PRODUCT-SERVICE SYSTEMS DESIGN GUIDELINES FOR SUSTAINABLE PLASTIC FILM WASTE MANAGEMENT BY APPLYING FOCUS GROUP AND CO-CREATION

Abstract

     Plastic waste management in Thailand remains a significant issue, particularly for plastic film waste such as food packaging and plastic bags. These materials are widely used but difficult to recycle due to the lack of proper sorting systems. The problem is especially evident in Bangkok, where plastic waste volume is high and waste management systems remain insufficient.

     This study aims to analyze the situation of plastic film waste in Bangkok through focus group discussions and co-creation sessions with stakeholders in the waste management system. The objective is to gain in-depth insights into the challenges and opportunities related to plastic film waste handling.

     Findings reveal that plastic film waste has low value and is difficult to manage due to its light, bulky, and contaminated nature, making recycling unprofitable. Additionally, consumers lack awareness of proper waste separation, while producers tend to prioritize marketing over environmental sustainability.

     The study proposes improvements to the plastic film waste management system, such as an online waste-sorting guide with AI material identification, a database of drop-off points, color-coded trash bags, and small-scale waste cleaning machines. It also recommends promoting mono-material use and clear recycling labels. Incentive systems like return-and-reward schemes and doorstep collection services are suggested to increase recycling efficiency and support a sustainable waste management system and circular economy in the long term.