Process Gas Membrane
Systems

Our membrane systems are typically delivered as modular, pre-assembled units that are ready for installation on site. Operation is straightforward: after connection to the process feed, the system is commissioned, and standardised controls allow automated, trouble-free continuous running. Maintenance is minimal thanks to robust design and reliable membrane modules, ensuring consistent performance over time.

Mahler AGS membrane technologies are suitable for a broad spectrum of applications requiring efficient gas separation. Typical feed gas compositions include mixtures of water vapor, helium, hydrogen, carbon dioxide, oxygen, carbon monoxide, nitrogen, and methane. Depending on the specific application, process pressures of up to 160 barg can be accommodated. Given the wide variability in applications and the critical influence of operating conditions, we strongly recommend submitting an inquiry with detailed feed and product specifications. Our team of experts will then assess the feasibility and tailor a solution optimized for your specific requirements.

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Membrane systems for gas mixtures work by exploiting differences in the permeability of individual gas components through a selective membrane material. When a gas mixture is fed under pressure to one side of the membrane, certain gases permeate faster due to their smaller molecular size, higher diffusivity, or greater solubility within the membrane material. This creates a separation effect where the permeate side is enriched with specific gases, while others are retained on the feed side. The driving force for this separation is the pressure difference across the membrane, and the effectiveness depends on the membrane’s selectivity and permeability characteristics.

Both PSA and membrane solutions have their advantages for treating hydrogen-containing gases. PSA typically achieves higher hydrogen purity (up to 99.9999 vol.%) with good recovery rates. In addition, investment costs scale significantly less as product capacity increases. Membrane systems offer simpler operation, lower capital and operating costs, and can achieve hydrogen purities up to 99% with flexible recovery rates depending on the feed gas and operating conditions. The choice between PSA and membrane technology depends on specific purity requirements, feed gas composition, pressure conditions, and economic considerations. In some cases, hybrid systems combining both technologies provide optimal performance by balancing purity and recovery.

Yes, membrane systems can be seamlessly integrated with complementary technologies to optimize gas separation processes with regard to higher product purity and increased product yield.