Advanced catalytic pyrolysis for hdpe-to-wax conversion

Overview

AIMPLAS presents a cutting-edge solution for converting high-density polyethylene (HDPE) waste into valuable waxes through catalytic pyrolysis. This technology focuses on developing new catalysts to direct pyrolytic cracking towards specific hydrocarbon mixtures, enhancing wax production efficiency. The process employs batch catalytic pyrolysis, supported catalysts, and microwave-assisted pyrolysis to optimize energy usage and product yield. Pre-treatment steps ensure a clean, consistent feedstock, making it suitable for large-scale applications.

Technical specifications

Key features:

• Catalytic pyrolysis: Enables precise control over product distribution, enhancing wax selectivity.
• Innovative catalysts: Tailored to steer reactions towards desired hydrocarbon mixtures, minimizing by-products.
• Microwave-assisted pyrolysis: Reduces energy consumption and improves process efficiency.
• Pre-treatment of PE waste: Involves mechanical separation and solvent-based purification to ensure feedstock quality.

Process validation:

• Pilot-scale facilities for continuous reactor validation.
• Analytical techniques like GC-MS and NMR for product characterization.
• Purification steps to remove metals and unsaturations, meeting wax specifications.
• LCA and LCC studies to assess environmental and economic impact.

Technology readiness level

This technology is currently at TRL 4, indicating that it has been validated in a laboratory environment and is progressing towards pilot-scale validation. AIMPLAS is equipped with the necessary facilities to further develop and scale this solution, ensuring its potential for industrial applications.