Nikkiso Clean Energy & Industrial Gases Group

CEDAR Series


The CEDAR series is designed to produce high purity industrial and medical grade liquid oxygen, nitrogen and argon. Plant capacities range from 54 to 61 metric tones per day of high purity product. Unique modular plant design with a single compressor cycle minimizes installation time and cost. A simple battery limits – power to the air compressor and power to the medium voltage distribution, instrument N2 (for start-up only), and LIN, LOX and LAR connections. A comprehensive scope of supply including interconnecting piping and electrical, installation drawings and a complete set of reference documentation that simplifies plant installation.

Ultra-low specific power consumption minimizes operating cost. Low capital cost through the highly efficient single compressor design. High purity nitrogen gas is available for future pipeline supply or liquefaction. Advanced PLC based control system with user friendly PC based HMI is designed for unattended and automatic operation, with provision for local or remote access via the internet. Single button start is available as an option.

The plant is configured for ease of maintenance and a minimum footprint. Designed for simplicity and ease of operation, the CEDAR uses the latest technology and high quality components. All plant modules – process air compressor, air chiller, air purification, turbo-expander skid and cold boxes are factory tested prior to shipment.

Features & Benefits

  • Fully automated plant control configured for unattended operation and remote access.
  • Modular plant design simplifies installation (20 days), minimizes installation cost and ensures the highest level of overall quality
  • Compact footprint, minimal site preparation
  • Dual, high performance turbo-compressors with removable cartridge style rotating elements
  • Argon APU unit using hydrogen and catox


  • Air Separation
  • Medical
  • Industrial
  • Manufacturing


  • On-site or in-factory operator training
  • Installation and commissioning assistance
  • Extended warranty package
  • Service package
  • Aftermarket spare parts support
  • Aftermarket technical support


CEDAR Performance Table