Closed-loop bromine recycling achieves 97% yield, significantly reducing environmental impact and costs.

Why It Matters

This case study demonstrates that circular economy principles are not just theoretical but can be practically and profitably applied in industrial settings. Designers and engineers can learn from this to integrate resource recovery and waste reduction into the core of their product and process designs.

Key Finding

By recovering 97% of bromine through a closed-loop system, the chemical industry can achieve substantial cost savings and reduce environmental and safety hazards.

Key Findings

• A closed-loop recycling system for bromine achieved a recovery yield of 97%.
• The recycling process led to significant reductions in safety and environmental risks.
• Annual economic savings were in the order of several million Swiss Francs.

Research Evidence

Aim: To evaluate the effectiveness and benefits of a closed-loop recycling system for bromine within a chemical manufacturing context.

Method: Case Study Analysis

Procedure: The research details a specific industrial process at Syngenta's Monthey site, focusing on the recovery and reuse of bromine in chemical synthesis. It quantifies the recycling yield and assesses the resulting safety, environmental, and economic impacts.

Context: Chemical manufacturing industry

Design Principle

Design for circularity by prioritizing material recovery and reuse throughout the product lifecycle.

How to Apply

When designing chemical processes or products involving valuable or hazardous materials, investigate opportunities for closed-loop recycling to minimize waste and maximize resource efficiency.

Limitations

The specific applicability of this bromine recycling method may be limited to chemical synthesis processes where bromine is used as a reactant and can be efficiently recovered.

Student Guide (IB Design Technology)

Simple Explanation: Recycling bromine in a chemical factory saved millions of dollars and made the process safer by capturing almost all of the bromine used.

Why This Matters: This shows how designing for recycling can have a big positive impact on the environment and save money, which is important for any design project.

Critical Thinking: How might the initial investment in setting up such a recycling system impact its feasibility for smaller companies or less valuable materials?

IA-Ready Paragraph: The successful implementation of a 97% yield closed-loop bromine recycling system in the chemical industry (Pilloud et al., 2019) highlights the significant environmental and economic advantages of designing for circularity. This case study demonstrates that by prioritizing material recovery and reuse, substantial reductions in waste, risk, and operational costs can be achieved, offering a valuable model for sustainable design practices across various sectors.

Project Tips

• When choosing materials for a design project, research their potential for recycling or reuse.
• Consider how your design could be disassembled or processed at the end of its life to recover valuable components.

How to Use in IA

• Reference this study when discussing the environmental benefits of material recovery in your design project.
• Use the 97% yield figure as an example of high-efficiency recycling.

Examiner Tips

• Demonstrate an understanding of circular economy principles by referencing real-world examples of successful material recovery.
• Quantify the environmental and economic benefits of your proposed design solutions where possible.

Independent Variable: Implementation of a closed-loop recycling system.

Dependent Variable: Bromine recovery yield, safety and environmental risk reduction, economic savings.

Controlled Variables: Type of chemical process, specific chemical site operations, market price of bromine.

Strengths

• Provides a concrete, real-world example of circular economy in practice.
• Quantifies the benefits (yield, cost savings, risk reduction).

Critical Questions

• What are the energy requirements for this recycling process, and how do they compare to virgin material production?
• Are there any residual by-products or waste streams generated during the recycling process?

Extended Essay Application

• An Extended Essay could explore the feasibility of adapting closed-loop recycling principles to a specific material or waste stream relevant to a particular industry or product category.
• Research the life cycle assessment of a product and identify opportunities for material recovery and reuse to improve its sustainability profile.

Source

Bromine Recycling in the Chemical Industry – An Example of Circular Economy · CHIMIA International Journal for Chemistry · 2019 · 10.2533/chimia.2019.737