OCI Nitrogen has melamine production lines in the Netherlands and China.
Its GPH-plant is the largest single line melamine plant in the world with a capacity of 120 kilotons. It is operated with the proprietary gas-phase (GPH) technology.
OCI Nitrogen other proprietary melamine technology is a shortened liquid-phase process (SLP).



Total annual capacity 200 kt/a

The Netherlands

  • MelaminebyOCI GPH – 120 kt/a
  • MelaminebyOCI SLP – 30 kt/a



  •  MelaminebyOCI  GPH LD – 50 kt/a


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