Daewoo E&C installs giant heat exchanger at Nigeria LNG’s seventh train

South Korea’s Daewoo E&C has completed the installation of a giant heat exchanger at the seventh train of Nigeria LNG’s Bonny Island plant.

Daewoo E&C said in a statement that this is the world’s largest main cryogenic heat exchanger (MCHE) with Air Products’ AP-C3MR technology.

Prior to installation, the MCHE was transported from Air Products’ Port Manatee, Florida manufacturing facility across the Atlantic to Nigeria.

Back in 2021, US tech and equipment firm Air Products won a contract from a joint venture consisting of Italy’s Saipem, Japan’s Chiyoda, and Daewoo E&C to supply heat exchangers for Nigeria LNG’s seventh production unit.

The US firm previously provided the MCHEs and process technology for the first six trains for NLNG at Bonny Island with initial onstream production from the units beginning in 1999 for the first, to 2007 for the sixth.

In 2020, SCD JV won the EPC contract worth about $4 billion.

Daewoo E&C said its share of the contract is worth about $1.57 billion.

The NLNG Train 7 project consists of the construction of one complete LNG train and one additional liquefaction unit. The project also includes other associated utilities and infrastructures.

Also, the new unit will add around 8 mtpa of capacity to the Bonny Island facility for a total of about 30 mtpa.

Nigeria LNG is owned by the Nigerian National Petroleum Corporation (49 percent), Shell (25.6 percent), TotalEnergies (15 percent), and Eni (10.4 percent),

The LNG terminal operator said last year that the seventh train was about 50 percent complete.

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