Recent advances in elevated-temperature pressure swing adsorption for carbon capture and hydrogen production

Zhu, Xuancan; Li, Shuang; Shi, Yixiang; Cai, Ningsheng

doi:10.1016/j.pecs.2019.100784

Cited by 103 publications

(44 citation statements)

References 307 publications

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“…The process can utilize hydrogen generated non-renewably through natural gas and oil reforming processes, or renewably by electrolysis, photocatalysis, plasma reforming, thermochemical water splitting, dark fermentation, and biophotolysis (Acar and Dincer, 2019). The hydrogen production technologies have been presented in the literature in great depths, with a plethora of reviews on materials, methods, and techno-economics thereof (Nikolaidis and Poullikkas, 2017; Acar and Dincer, 2019;Zhu et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

A Review on Synthesis of Methane as a Pathway for Renewable Energy Storage With a Focus on Solid Oxide Electrolytic Cell-Based Processes

et al. 2020

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Environmental issues related to global warming are constantly pushing the fossil fuelbased energy sector toward an efficient and economically viable utilization of renewable energy. However, challenges related to renewable energy call for alternative routes of its conversion to fuels and chemicals by an emerging Power-to-X approach. Methane is one such high-valued fuel that can be produced through renewables-powered electrolytic routes. Such routes employ alkaline electrolyzers, proton exchange membrane electrolyzers, and solid oxide electrolyzers, commonly known as solid oxide electrolysis cells (SOECs). SOECs have the potential to utilize the waste heat generated from exothermic methanation reactions to reduce the expensive electrical energy input required for electrolysis. A further advantage of an SOEC lies in its capacity to coelectrolyze both steam and carbon dioxide as opposed to only water, and this inherent capability of an SOEC can be harnessed for in situ synthesis of methane within a single reactor. However, the concept of in situ methanation in SOECs is still at a nascent stage and requires significant advancements in SOEC materials, particularly in developing a cathode electrocatalyst that demonstrates activity toward both steam electrolysis and methanation reactions. Equally important is the appropriate reactor design along with optimization of cell operating conditions (temperature, pressure, and applied potential). This review elucidates those developments along with research and

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Section: Introductionmentioning

confidence: 99%

A Review on Synthesis of Methane as a Pathway for Renewable Energy Storage With a Focus on Solid Oxide Electrolytic Cell-Based Processes

et al. 2020

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“…This is particularly relevant for those industrial sectors that can hardly avoid the use of carbon, like steel making. In this context, sorption-enhanced reactive processes (SERPs) are receiving increasing attention as strategic technologies to accelerate CCS implementation in such industrial sectors [1][2][3][4]. SERPs are integrated conversion/separation processes that achieve a greater product yield from equilibrium-limited reactions by adsorbing one of the product species on a solid surface [5].…”

Section: Introductionmentioning

confidence: 99%

Steam and Pressure Management for the Conversion of Steelworks Arising Gases to H2 with CO2 Capture by Stepwise Technology

et al. 2022

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Steel production is a main source of CO2 emissions globally. These emissions must be drastically reduced to meet climate change mitigation goals. STEPWISE is a Sorption Enhanced Reactive Process (SERP) technology that converts steel works arising gases to H2 with simultaneous CO2 capture. The main energy requirements of the process are the high- and low-pressure steam quantities that are needed to rinse and regenerate the adsorbent. In this simulation study, the separation performance of STEPWISE is evaluated over a range of steam and feed pressure inputs by searching those design points where CO2 recovery and purity percentages are equalized. This method is used to facilitate the comparison of different operating regimes. Results highlight the importance of the rinse to purge ratio (R/P) as a design variable. A higher R/P ratio is demonstrated to maintain CO2 recovery and purity of ~95.5%, while total steam consumption and feed carbon loading are reduced by 27% and 20%, respectively. This is achieved without changing other parameters, like cycle time. Additionally, it is demonstrated that the CO2 capture performance can be maintained for varying feed pressure values by tuning the feed carbon loading. Future studies are recommended to focus on the expected role of the feed gas steam content on these findings.

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“…(3) 先进的吸附剂结构和吸附装置不断被提出, 例如中空纤维、整体式吸附器、径向床、流化床和移动床 [7,8] . (4) 将吸附过程和其他分离或者反应过程进行耦合的复合吸附技术得到了广泛关注 [9,10] . .…”

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Large-scale applications and challenges of adsorption-based carbon capture technologies

Zhu¹,

Ge²,

Wu³

et al. 2021

Chin. Sci. Bull.

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Facile and large-scale synthesis of green-emitting carbon nanodots from aspartame and the applications for ferric ions sensing and cell imaging Science Bulletin 62, 1256 (2017); Optimal experimental methods of the large-scale mathematical programming and applications Science in China Series E-Technological Sciences 41, 465 (1998); Time-domain analysis methodology for large-scale RLC circuits and its applications Science in China Series F-Information Sciences 49, 665 (2006);

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Recent advances in elevated-temperature pressure swing adsorption for carbon capture and hydrogen production

Cited by 103 publications

References 307 publications

A Review on Synthesis of Methane as a Pathway for Renewable Energy Storage With a Focus on Solid Oxide Electrolytic Cell-Based Processes

A Review on Synthesis of Methane as a Pathway for Renewable Energy Storage With a Focus on Solid Oxide Electrolytic Cell-Based Processes

Steam and Pressure Management for the Conversion of Steelworks Arising Gases to H2 with CO2 Capture by Stepwise Technology

Large-scale applications and challenges of adsorption-based carbon capture technologies

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