Bio-based Vitrimers from Agri-food Waste: A Pathway to Circular Economy with a Minimum Selling Price of €435.5/kg

Why It Matters

This research highlights the potential for valorizing agricultural by-products into advanced materials, contributing to a circular economy. Understanding the economic drivers and limitations is crucial for designers and engineers aiming to develop sustainable products and processes.

Key Finding

The production of these advanced bio-polymers from waste is technically possible and environmentally beneficial, but currently comes at a high cost, with significant variability depending on production efficiency and feedstock prices.

Key Findings

• The average minimum product selling price (MPSP) for bio-based vitrimers from agri-food residues is €435.5 per kilogram.
• Industrial performance metrics and raw material costs are the primary drivers of MPSP.
• Significant cost reductions (up to 60%) are possible in best-case scenarios, while worst-case scenarios could see costs increase by 400%.
• The recycling design offers substantial water consumption reduction, aligning with green chemistry principles.

Research Evidence

Aim: To assess the economic feasibility of producing bio-based vitrimers from agri-food residues and determine the minimum product selling price (MPSP).

Method: Quantitative analysis using Monte Carlo simulations and regression analysis.

Procedure: The study simulated various production scenarios to calculate the MPSP for bio-based vitrimers derived from agricultural waste, identifying key influencing factors.

Context: Sustainable materials development, circular economy, waste valorization.

Design Principle

Valorize waste streams into high-performance materials, but rigorously assess and address economic viability throughout the design and development lifecycle.

How to Apply

When designing products that require recyclable, self-healing polymers, investigate the potential of bio-based vitrimers, but be prepared for higher material costs and explore strategies for cost reduction or target niche applications where performance justifies the expense.

Limitations

The low technology readiness level (TRL) of the production process currently limits market competitiveness, and pilot-scale validation is required.

Student Guide (IB Design Technology)

Simple Explanation: Making new types of recyclable plastic from farm waste costs a lot of money right now – about €435.50 for just one kilogram. While it's good for the environment, designers need to find ways to make it cheaper or use it only for very special products.

Why This Matters: This research shows that even environmentally friendly materials can be too expensive for everyday use. It teaches you to think about the entire lifecycle and economic impact of your design choices, not just the technical performance.

Critical Thinking: Given the high MPSP, what strategies could designers and engineers employ to make bio-based vitrimers more economically viable, or what specific product applications would justify their current cost?

IA-Ready Paragraph: The economic feasibility of bio-based vitrimers derived from agri-food residues presents a significant challenge, with a reported minimum product selling price (MPSP) of €435.5 per kilogram. While these materials offer substantial environmental advantages, such as reduced water consumption and waste diversion, their current high cost, driven by industrial performance and raw material expenses, limits their immediate widespread adoption. Further research and development are crucial to optimize production processes and achieve cost reductions necessary for market competitiveness.

Project Tips

• When evaluating new materials, always consider their cost-effectiveness alongside their environmental benefits.
• Research the specific factors that influence the cost of your chosen material, such as raw material sourcing and manufacturing processes.

How to Use in IA

• Reference this study when discussing the economic challenges of adopting sustainable materials in your design project, particularly if you are exploring bio-based alternatives.

Examiner Tips

• Demonstrate an understanding of the economic constraints associated with novel sustainable materials, rather than just focusing on their technical merits.

Independent Variable: ["Industrial performance metrics","Raw material costs"]

Dependent Variable: ["Minimum Product Selling Price (MPSP)"]

Controlled Variables: ["Type of agri-food residue used","Production process technology"]

Strengths

• Utilizes advanced simulation techniques (Monte Carlo) for robust economic assessment.
• Identifies key cost drivers, providing actionable insights for optimization.

Critical Questions

• How might economies of scale impact the MPSP as production volumes increase?
• What are the potential market segments that could absorb the current high cost of these materials?

Extended Essay Application

• An Extended Essay could investigate the life cycle cost analysis of products made with bio-based vitrimers compared to conventional plastics, exploring potential cost-reduction pathways through process innovation or policy incentives.

Source

Economic Feasibility Assessment of Bio-based Vitrimers from Agrifood Residues: a Step Toward Sustainable Circular Economy · Chemical Engineering Transactions · 2025