Decarbonization China Unveils its First Megaton CCUS Project
Sinopec has recently completed the construction of China’s maiden megaton carbon capture, utilization and storage (CCUS) project – the Qilu-Shengli Oilfield CCUS. With this, the company plans to reduce carbon emissions by 1 million tons annually.
Beijing/China – China Petroleum & Chemical Corporation (Sinopec) has completed the construction of China’s first megaton carbon capture, utilization and storage (CCUS) project, the Qilu-Shengli Oilfield CCUS on January 29, which will reduce carbon emissions by 1 million tons per year, the equivalent of planting nearly 9 million trees and shutting down 600,000 economy cars.
As China’s largest full industrial chain CCUS demonstration base and industry benchmark, the project is estimated to increase the oil production by 2.965 million tons in the next 15 years. It’s of great significance to China’s scaled development of CCUS and building an ‘artificial carbon cycle’ model to increase China’s carbon emissions reduction capabilities as the country advances to achieve the ‘dual carbon’ goals of reaching peak carbon emissions by 2030 and carbon neutrality by 2060.
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The construction of the project was initiated in July, 2021 and is consisted of two parts – Sinopec Qilu’s carbon dioxide capture and Shengli Oilfield’s carbon dioxide displacement and storage. The carbon dioxide captured by Sinopec Qilu will be transported to Shengli Oilfield for further displacement and storage via green transport mode, achieving an integrated application of carbon capture, displacement and storage to seal the carbon dioxide underground and drive the oil out – turning the waste into treasure.
Sinopec Qilu has newly constructed a liquid carbon dioxide recovery and utilization unit with a capacity of 1 million tons per year, which includes compression unit, refrigeration unit, liquefaction refining unit and supporting facilities to recover carbon dioxide from the tail gas of coal-to-hydrogen plant with a purification rate of over 99 percent.
Meanwhile, Shengli Oilfield is applying the principle of supercritical carbon dioxide’s easy miscibility with crude oil to build 10 unattended gas injection stations in Zhenglizhuang Oilfield to inject carbon dioxide into the 73 wells nearby to increase crude oil fluidity and improve oil recovery while adopting a closed pipeline transportation of oil and gas to further enhance carbon dioxide sequestration rate.