{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10(35)"],"submitter":["Yu X"],"pubmed_abstract":["Methanol synthesis, a crucial platform chemical and clean energy carrier, plays a significant role in the global energy transition. This study focuses on thermodynamic optimization and carbon cycle intensification of the CO/CO<sub>2</sub> hydrogenation process. A multidimensional reaction system model was developed to investigate the effects of the CO/CO<sub>2</sub> feed ratio, H<sub>2</sub>/CO <sub><i>x</i></sub> molar ratio, reaction temperature and pressure, catalyst efficiency, and gas-liquid mass transfer resistance on product distribution. To improve carbon utilization, an innovative steam stripping-coupled cycle process was proposed, enabling efficient recovery of dissolved CO<sub>2</sub> in the liquid phase through phase equilibrium regulation. This reduced the CO<sub>2</sub> content from 10.72 kmol·h<sup>-1</sup> before stripping to 1.69 × 10<sup>-4</sup> kmol·h<sup>-1</sup> after stripping. Under optimized operating conditions, the methanol yield reached 82.0%, and the single-pass yields of CO and CO<sub>2</sub> were 90.7% and 72.6%, respectively. After the novel stripping cycle was adopted, the loss of liquid-phase CO<sub>2</sub> became negligible, with carbon and hydrogen losses mainly caused by gas-phase relaxation. When the relaxation rate was set to 1.0%, the utilization of CO <sub><i>x</i></sub> and H<sub>2</sub> reached 93.2% and 82.8%, respectively. This strategy established a dynamic reaction-separation-recycle balance, improving both resource efficiency and economic performance, and offering theoretical and technical guidance for green methanol industrialization."],"journal":["ACS omega"],"pagination":["40477-40491"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12423964"],"repository":["biostudies-literature"],"pubmed_title":["Steam Stripping-Coupled Cycle for Thermodynamic Optimization and Carbon Cycle Intensification in CO/CO&lt;sub&gt;2&lt;/sub&gt; Mixed-Gas Hydrogenation Methanol Synthesis."],"pmcid":["PMC12423964"],"pubmed_authors":["Yan J","Wang C","Chi S","Gao Y","Burkitbayev A","Tan C","Zhou G","Yu X","Zhao X"],"additional_accession":[]},"is_claimable":false,"name":"Steam Stripping-Coupled Cycle for Thermodynamic Optimization and Carbon Cycle Intensification in CO/CO&lt;sub&gt;2&lt;/sub&gt; Mixed-Gas Hydrogenation Methanol Synthesis.","description":"Methanol synthesis, a crucial platform chemical and clean energy carrier, plays a significant role in the global energy transition. This study focuses on thermodynamic optimization and carbon cycle intensification of the CO/CO<sub>2</sub> hydrogenation process. A multidimensional reaction system model was developed to investigate the effects of the CO/CO<sub>2</sub> feed ratio, H<sub>2</sub>/CO <sub><i>x</i></sub> molar ratio, reaction temperature and pressure, catalyst efficiency, and gas-liquid mass transfer resistance on product distribution. To improve carbon utilization, an innovative steam stripping-coupled cycle process was proposed, enabling efficient recovery of dissolved CO<sub>2</sub> in the liquid phase through phase equilibrium regulation. This reduced the CO<sub>2</sub> content from 10.72 kmol·h<sup>-1</sup> before stripping to 1.69 × 10<sup>-4</sup> kmol·h<sup>-1</sup> after stripping. Under optimized operating conditions, the methanol yield reached 82.0%, and the single-pass yields of CO and CO<sub>2</sub> were 90.7% and 72.6%, respectively. After the novel stripping cycle was adopted, the loss of liquid-phase CO<sub>2</sub> became negligible, with carbon and hydrogen losses mainly caused by gas-phase relaxation. When the relaxation rate was set to 1.0%, the utilization of CO <sub><i>x</i></sub> and H<sub>2</sub> reached 93.2% and 82.8%, respectively. This strategy established a dynamic reaction-separation-recycle balance, improving both resource efficiency and economic performance, and offering theoretical and technical guidance for green methanol industrialization.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-01T23:28:19.259Z","creation":"2026-05-23T03:08:05.727Z"},"accession":"S-EPMC12423964","cross_references":{"pubmed":["40949291"],"doi":["10.1021/acsomega.5c05883"]}}