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Modular Zero Refrigerant-LNG


Our solution helps add value to domestically produced gas from wells / Coal Bed Methane (CBM) / Biogas / Pipeline by liquifying natural gas using our Modular Zero Refrigerant-LNG solution without the need for an external refrigerant like Nitrogen / Hydrocarbon with a Low LifeCycle Cost.

Since this is a modular design, the facility can be relocated to a new site in case well production reduces over time or Add additional modules to increase the capacity in a phased manner thereby protecting the Capex and increasing the flexibility of operation.

Zero Refrigerant-LNG Process

This process uses the feed natural gas in an optimized system of expanders to provide the necessary cryogenic refrigeration. As a result, no external refrigerants, such as nitrogen or mixed hydrocarbons, are required.
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Benefits:
  • No refrigerant storage and transfer systems (lower equipment count).
  • No make-up refrigerants required & associated Cost.
  • Operational simplicity.
  • Reduced plot area.
  • High-efficiency process with low power demand (10% below SMR & 25% below than dual N2 expander).
  • low operating cost and lower-cost compression equipment.
  • A continuous process with a high range of operating conditions.
  • Feed gas flexibility (Pipeline/biogas/coal seam gases/flare gas).

Feed Gas Flexibility.

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GasWell/CBM/Biogas Configuration

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LNG Supply Chain

Pipeline Configuration

Plug & Play Standardized 

Modular Design.

The use of lean-designed, standardized, modular units allows for multiple plants to be built using standardized plug-and-play modules.

75-80 % Modularization Achieved.​

“Design one, Build many” philosophy
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Benefits:
  • Reduced On-site construction.
  • Compact footprint.
  • Low-cost & efficent shop fabrication.
  • Reduced Project Schedule.
  • Modules can be added or removed to the layout depending on operating requirement.
  • Easy to scale up plant, by adding new modules in phases as market expands.
  • Modules can be relocated to a new site in case of the production from gas well/CBM reduces, thereby protecting the Capex expenditure & flexible operation.
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Modular Zero Refrigerant-LNG Solutions

Our Associates

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© 2023 H-Square Engineers Pvt. Ltd.

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