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Coil wound heat exchanger

Mid-scale LNG Plant Processes and Equipment

(>0.25 to <2.0 MTPA)

Mid-scale LNG plants are gaining acceptance as a way to serve niche markets for LNG and to monetize smaller gas volumes at reduced cost. Air Products meets the need for mid-scale LNG plants with proprietary liquefaction processes and equipment designed for simplicity while delivering lower unit costs.

Benefits to our customers

Air Products' single mixed refrigerant (AP-SMR™) and propane pre-cooled mixed refrigerant (AP-C3MR™) process cycles can support customer-specific project requirements for the land-based mid-scale market.

Custom Design

Coil-wound heat exchangers designed to your economic factors, feed gas compositions, ambient conditions, and LNG product specifications


More efficient liquefaction and containment of hydrocarbons, both LNG and refrigerants

Guaranteed Performance

Delivered with performance guarantees on LNG production, specific power, and quality


Can be modularized to minimize fieldwork

Mid-scale liquefaction flow diagram