Related Experiment Video
Updated: Feb 14, 2026
05:19
Author Spotlight: Therapeutic Benefit of Closed-Loop Deep Brain Stimulation in Depression Treatment
Published on: July 7, 2023
3.5K
Closing the Loop on Personal Protective Equipment: Collection, Polymer Recovery, and Circular Pathways for
Giulia Infurna1, Marinella Levi2, Loredana Incarnato3
1Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128 Palermo, Italy.
Polymers
|February 13, 2026
Summary
Recycling personal protective equipment (PPE) is challenging due to contamination and material variety. Effective PPE recycling requires source segregation and tailored technologies to enable circular economy goals.
Area of Science:
- Polymer Science
- Waste Management
- Circular Economy
Background:
- The widespread use of personal protective equipment (PPE) has led to a significant increase in polymer-based waste.
- This surge in waste challenges the shift from linear consumption to a circular economic model.
- Recycling PPE is complex due to varying contamination levels and material compositions across different sectors.
Purpose of the Study:
- To explore the challenges and opportunities in recycling polymer-based personal protective equipment.
- To identify key factors influencing the feasibility of PPE waste recycling and upcycling.
- To assess the potential of PPE waste to contribute to circular economy objectives.
Main Methods:
- Analysis of PPE waste streams from various sectors, including healthcare, laboratories, and food processing.
- Evaluation of mechanical and chemical recycling routes, including those for elastomeric materials.
- Assessment of the impact of source segregation, labeling, sorting, and decontamination on recycled material properties.
Main Results:
- PPE recycling challenges are sector-specific, with healthcare waste requiring stringent decontamination.
- Material heterogeneity (e.g., polypropylene masks, polycarbonate eyewear, nitrile butadiene rubber gloves) complicates sorting and recycling.
- The suitability for upcycling or downcycling depends on polymer integrity and compatibility with recycling processes.
Conclusions:
- Effective PPE recycling necessitates robust source segregation and tailored recycling technologies.
- When managed properly, PPE waste can be diverted from incineration and reintegrated into sustainable material loops.
- Recycled PPE can serve as a model for incorporating complex polymer products into circular economy frameworks, enhancing resource efficiency.
Related Concept Videos
01:20Personal Protective Equipment
2.4K
Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:
2.4K
01:17Open and closed-loop control systems
1.8K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.8K
02:34Polymers
41.4K
The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
41.4K
02:34Polymers
23.4K
23.4K
01:18Leveling Equipment
445
As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
445
01:22PPE Use in Healthcare Settings I: Donning
1.8K
Donning PPE must be completed before contact with the patient. This process protects from infectious agents. The sequence and action included in each donning are critical, and the steps must be systematic to avoid exposure to pathogens. The institutional policy also needs to be followed while donning PPE. The pre-donning preparations are gathering equipment, inspecting the PPE equipment for tears, holes, or damage, removing jewelry, removing any garments below the elbows, and tying the hair...
1.8K