APPU AFTERMARKET SERVICES

Boost Air Pre-Purification Unit (APPU) Throughput With Trusted Honeywell UOP Adsorbents and Expertise

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Unlock More Performance From Your Cryogenic APPU

Honeywell UOP APPU Aftermarket Services help operators improve throughput, reduce operating costs and extend unit life—without major equipment changes. Backed by industry-leading UOP MOLSIV™ adsorbents and expert technical support, our comprehensive aftermarket services are designed for both existing APPUs and new designs.

Increase Throughput

With best‑in‑class carbon dioxide (CO₂) uptake and lower regeneration demand

Reduce Operating Costs

With improved efficiency, reduced pressure drops and lower energy consumption

Global Expertise & Support

Unparalleled worldwide service to help you maximize the use and life of your adsorbents

Advanced Adsorbents for Dependable APPU Reloads

UOP MOLSIV adsorbents are specifically engineered for air separation applications. These materials support both existing units and new designs by enabling higher performance within existing mechanical constraints.

UOP MOLSIV APG III

Developed for removal of CO₂, water and trace hydrocarbons in APPUs
Provides higher equilibrium CO₂ capacity compared to legacy 13X adsorbents

Supports reduced regeneration requirements and improved operating efficiency

UOP MOLSIV APG X

Highest capacity APPU adsorbent in the Honeywell UOP portfolio
Enables increased throughput, lower pressure drop, smaller vessel sizes and reduced regeneration costs
Applicable for reloads, revamps and new unit designs requiring higher performance margins

More Than Materials: Complete APPU Aftermarket Support

Honeywell UOP APPU Aftermarket Services extend beyond adsorbent supply. Our experts support your needs across the entire reload and optimization lifecycle.

Honeywell UOP offers global experience and services through a combination of global manufacturing, technical service teams and regional supply capabilities. Adsorbents are produced and supported across multiple regions to ensure consistent quality and dependable availability.

Services include:

Adsorbent selection and performance projections
Reload and revamp support
APPU optimization and troubleshooting
Guidance for higher flow rates, hotter feeds, and higher CO₂ conditions

The result: Lower CAPEX and OPEX, faster ROI and more reliable operation.

DATASHEET

Adsorbent Solutions for Air Separation Units

Get an overview of Honeywell UOP APPU Aftermarket Services, adsorbent options and performance considerations.

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