KNOC kicks off demonstration project to store CO2 into waste gas field

Lim Chang-won Reporter() | Posted : May 26, 2021, 17:08 | Updated : May 26, 2021, 17:08

[Courtesy of SK Innovation]


SEOUL -- South Korea's national oil and gas company kicked off a demonstration project involving private companies and state research bodies to transport and store captured carbon dioxide into a waste gas field in the sea between Japan and the Korean peninsula. South Korea aims to collect some 10.4 million tons of carbon dioxide by 2030.

Carbon capture and storage (CCS) is the process of capturing waste carbon dioxide, transporting it to a storage site and depositing it where it will not enter the atmosphere. The aim is to prevent the release of large quantities of CO2 into the atmosphere from heavy industry and limit climate change.

SK Innovation joined a demonstration project launched by Korea National Oil Corporation (KNOC) to store 400,000 tons of carbon dioxide annually from 2025 into a gas field stratum, which is scheduled to end production in June 2022. Captured carbon dioxide will be transported through a pipeline to a waste gas field off the southeastern industrial port city of Ulsan.

Korea Shipbuilding & Offshore Engineering (KSOE) affiliated with South Korea's Hyundai shipbuilding group will store CO2 captured by SK Innovation. State-run research institutes are responsible for safety. "CCS technology is a prerequisite for carbon dioxide reduction in energy-consuming industries," SKI's technology innovation institute head Lee Seong-jun said in a statement on May 26.

SK Innovation will try to acquire optimal CCS technology, while SK Energy, an oil refining subsidiary of SK Group, will apply CCS technology to its hydrogen plant in Ulsan. In March, SK Innovation and SK Energy agreed to join an EU-funded carbon capture project and explore opportunities for their entry into overseas CCS markets. 

"It can kill two birds with one stone by reducing demolition and investment costs and actively participating in the decarbonization policy," KNOC CEO Yang Su-yeong said, pointing to KNOC's involvement in the development of CCS technologies and a floating wind farm using an offshore gas platform, which is to retire in June 2021.

The Hyundai shipbuilding group will lead a joint project to produce green hydrogen using electricity generated by floating wind farms. The group's refinery, Hyundai Oilban, will produce blue hydrogen. Blue hydrogen is derived from natural gas with carbon capture technology while green hydrogen is produced from water using renewable power.
 
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