Carbon capture and storage in the coastal region of China between Shanghai and Hainan

Zhang, Kai; Lau, Hon Chung; Liu, Shuyang; Li, Hangyu

doi:10.1016/j.energy.2022.123470

Cited by 15 publications

(22 citation statements)

References 56 publications

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“…Their installed capacity was 21 GW, 19 GW, and There are 20 coal-fired power stations in Taiwan, with a combined capacity of 21 GW in 2021 [58]. Together, they produced 86 Mtpa CO2 [59]. Figure 18 shows the CO2 emission and capacity of coal-fired power plants in Taiwan [59].…”

Section: Status Of Coal-fired Power Plantsmentioning

confidence: 99%

“…There are 20 coal-fired power stations in Taiwan, with a combined capacity of 21 GW in 2021 [58]. Together, they produced 86 Mtpa CO 2 [59]. Figure 18 shows the CO 2 emission and capacity of coal-fired power plants in Taiwan [59].…”

Section: Status Of Gas-fired Power Plantsmentioning

confidence: 99%

“…Together, they produced 86 Mtpa CO 2 [59]. Figure 18 shows the CO 2 emission and capacity of coal-fired power plants in Taiwan [59]. The Taichung and Mailiao power plants are the biggest coal-fired fired power plants in Taiwan, with capacity of 5.5 GW and 3.9 GW, respectively.…”

Section: Status Of Gas-fired Power Plantsmentioning

confidence: 99%

“…Post-combustion carbon capture can be retrofitted into existing coal-fired power plants [67]. Recently, Zhang et al ( 2022) have suggested capturing CO 2 from power and industry plants in Taiwan and transporting it to the Tiechenshan gas field for CO 2 -enhanced gas recovery or to saline aquifers in the West Taiwan Basin for permanent storage [59].…”

Section: Cp-ccsmentioning

confidence: 99%

“…Recently, the Indonesian government has been planning to install CCS in the depleted giant Arun gas field in North Sumatra [87,88]. recently estimated that there is 3.6 Gt of CO 2 storage capacity in saline aquifers in the West Taiwan basin, which can serve as storage sites for anthropogenic CO 2 emission from the west coast of Taiwan [59]. Future work is needed to characterize these saline aquifers with respect to reservoir temperature and pressure, porosity, permeability, connectivity, seal integrity, reservoir boundaries, and existence of nearby faults.…”

Section: Role Of Ccs In Decarbonizationmentioning

confidence: 99%

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A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

Lau

Tsai²

2022

Sustainability

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The objective of this paper is to propose a decarbonization roadmap for Taiwan to achieve net-zero emissions by 2050 by analyzing the status of fossil and non-fossil energies, screening applicable decarbonization technologies for their effectiveness, and then proposing an energy mix for the future. The novelty of this work lies in the screening process, which considers six, instead of one or two, categories: sustainability, security, affordability, reliability, technology readiness, and technology impact. Based on this screening, a decarbonization roadmap is proposed and compared with the announced net-zero emissions (NZE) plan. The proposed roadmap requires renewable electricity to grow at an average annual growth rate of 7% between now and 2050, instead of the 10.1% required by the NZE plan, which is more achievable based on issues identified with renewable energies during our screening exercise. The proposed roadmap improves on the NZE plan in the following aspects: (1) using clean coal technologies to decarbonize existing coal-fired power plants, (2) relying more on gas than wind and solar energies to replace coal and nuclear energy for power generation, (3) accelerating carbon capture and storage (CCS) implementation, (4) delaying the phaseout of nuclear energy until 2050, and (5) using blue instead of green hydrogen to decarbonize the transport and industry sectors. Implications of this roadmap for future research and development and energy policies are also discussed.

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Section: Status Of Coal-fired Power Plantsmentioning

confidence: 99%

Section: Status Of Gas-fired Power Plantsmentioning

confidence: 99%

Section: Status Of Gas-fired Power Plantsmentioning

confidence: 99%

Section: Cp-ccsmentioning

confidence: 99%

Section: Role Of Ccs In Decarbonizationmentioning

confidence: 99%

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A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

Lau

Tsai²

2022

Sustainability

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Assessing a potential site for offshore CO₂ storage in the Weixinan Sag in the northwestern Beibu Gulf Basin, northern South China Sea

Xie

Gou

2022

Greenhouse Gases

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Geologic carbon storage (GCS) activities, especially offshore, are still far insufficient worldwide. Sedimentary basins in the northern South China Sea (nSCS) are identified to be favorable to offshore GCS deployment. This study investigates by numerical reservoir simulations the performance of the Weixinan Sag in the northern depression of the Beibu Gulf Basin (BGB), which is considered the most promising area for CO 2 offshore GCS in saline formations. Simulations of CO 2 injection at a potential site with a normal fault indicate that the pressure buildup induced by CO 2 horizontal injection could penetrate extremely low-permeability faults or caprock formations. The CO 2 plumes under higher injection pressures are more constrained in the horizontal direction and hence appear thicker while CO 2 tends to spread out horizontally in conditions of low pressure. The impermeable fault renders the CO 2 plume about 200 m smaller in size horizontally. Assuming the presence of a fault with a highly permeable core causes leakage to occur after about 30 years of injection, which accounts for only 0.04% the injected amount. For the vertical-well injection case, the potential CO 2 leakage only accounts for around 0.28% of the injection amount, which is far less than the criterion (i.e., 2%) required to make GCS worthwhile. The storage capacities of the formations are mainly controlled by the depths and thicknesses since both their porosities and permeabilities are comparable. The formation Jiaowei-2 and Xiayang have the largest and second largest storage capacities, respectively, when using a fully perforated well for vertical injection. The average storage capacity of the studied site is 13.04 kg m −3 , which is comparable to that of the formation Xiayang. Average injectivities of

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Role of CO2 geological storage in China's pledge to carbon peak by 2030 and carbon neutrality by 2060

Zhong

Chen

et al. 2023

Energy

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Carbon capture and storage in the coastal region of China between Shanghai and Hainan

Cited by 15 publications

References 56 publications

A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

Assessing a potential site for offshore CO₂ storage in the Weixinan Sag in the northwestern Beibu Gulf Basin, northern South China Sea

Role of CO2 geological storage in China's pledge to carbon peak by 2030 and carbon neutrality by 2060

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Carbon capture and storage in the coastal region of China between Shanghai and Hainan

Cited by 15 publications

References 56 publications

A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

A Decarbonization Roadmap for Taiwan and Its Energy Policy Implications

Assessing a potential site for offshore CO2 storage in the Weixinan Sag in the northwestern Beibu Gulf Basin, northern South China Sea

Role of CO2 geological storage in China's pledge to carbon peak by 2030 and carbon neutrality by 2060

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Assessing a potential site for offshore CO₂ storage in the Weixinan Sag in the northwestern Beibu Gulf Basin, northern South China Sea