Green Chemical Engineering最新文献

{"title":"Rapid, selectivity, and reversibility absorption of SO2 via purine-based deep eutectic solvents and thermodynamic analysis","authors":"Yiru Zou ,&nbsp;Chao Wang ,&nbsp;Haiyan Ji ,&nbsp;Peiwen Wu ,&nbsp;Yanhong Chao ,&nbsp;Xiaoxiao Yu ,&nbsp;Zhendong Yu ,&nbsp;Haiyan Liu ,&nbsp;Zhichang Liu ,&nbsp;Wenshuai Zhu","doi":"10.1016/j.gce.2024.10.005","DOIUrl":"10.1016/j.gce.2024.10.005","url":null,"abstract":"<div><div>Since the advantages of simple preparation, low-priced, environmental friendliness, and high absorption capacity, deep eutectic solvents (DESs) are considered to have eminent application potential in terms of SO₂ absorption. However, the absorption rate, selectivity, and reversibility of DESs urgently need to be further improved to meet the requirements of industrialization. In this work, five purine-based DESs were designed and synthesized through the use of 1-ethyl-3-methylimidazolium chloride (EmimCl) as hydrogen bond acceptors (HBAs) plus 6-aminopurine (6-AmP), 6-hydroxypurine (6-HoP), and 6-chloropurine (6-ChP) as hydrogen bond donors (HBDs), respectively. The results indicated that the optimal molar ratio of HBAs to HBDs is 7:1, and the absorption capacity of EmimCl + 6-AmP-7 can reach up to 18.118 mol/kg, at 298.15 K and 1.0 bar. Notably, the present purine-based DESs not only achieve gas-liquid equilibrium within 40 s, but also exhibit outstanding reversibility (absorb-desorb more than 30 times) and remarkable selectivity of SO₂/CO₂. Furthermore, a reaction equilibrium thermodynamic model (RETM) equation was employed to investigate the absorption behavior by combining the absorption data under different SO₂ partial pressures and temperatures. Finally, Fourier-transform infrared (FT-IR) spectroscopy and ¹H nuclear magnetic resonance (NMR) were conducted to explore further the formation and SO₂ absorption mechanism of purine-based DESs. It is revealed that the former is mainly hydrogen bonding interaction among HBAs and HBDs, and the latter is mainly Lewis acid-base interaction plus strong charge-transfer interaction among DESs and SO₂. Based on the obtained data, it could be confirmed that the SO₂ absorption includes both physical and chemical absorption.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 180-190"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Visible light-driven selective oxidative transformation of vicinal diols using ZnS-based photocatalyst in the presence of molecular oxygen","authors":"Ruichen Liu,&nbsp;Miao Wang,&nbsp;Jiaxin Zheng,&nbsp;Xinli Tong","doi":"10.1016/j.gce.2024.11.002","DOIUrl":"10.1016/j.gce.2024.11.002","url":null,"abstract":"<div><div>The heterogeneous photocatalysis for the oxidative cleavage of C–C bond is significant to the transformation of biomass feedstock. In this work, a heterojunction photocatalyst based on the conductor ZnS and C₃N₄ (CN) material is prepared and employed in the aerobic oxidative cleavage reaction of vicinal diol under visible light irradiation. As a result, it is found that 3ZnS/CN catalyst obtained by a mechanical grinding method shows a high photocatalytic activity. In the photocatalytic oxidative cleavage process of 1-phenyl-1,2-glycol, more than 98.7% conversion of substrate with a 96.2% selectivity of benzaldehyde was attained using O₂ as oxidant. In addition, the photocatalyst recycling experiments exhibited that the 3ZnS/CN catalyst still kept a good activity and stability even after being recycled for 5 times. Finally, the active reaction intermediates were investigated by the control experiments and the relative electron paramagnetic resonance (EPR) detection. According to the obtained results and photocatalytic principle, the mechanism for the selective oxidative transformatioin of 1-phenyl-1,2-glycol has been proposed. It gives a promising approach for the catalytic utilization of biomass-based lignin and cellulose.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 209-218"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"OFC: Outside Front Cover","authors":"","doi":"10.1016/S2666-9528(25)00099-8","DOIUrl":"10.1016/S2666-9528(25)00099-8","url":null,"abstract":"","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Page OFC"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advances and challenges in N2O valorization for alkane oxidative dehydrogenation to olefins","authors":"Yunshuo Wu ,&nbsp;Xuanhao Wu ,&nbsp;Haiqiang Wang ,&nbsp;Zhongbiao Wu","doi":"10.1016/j.gce.2024.11.005","DOIUrl":"10.1016/j.gce.2024.11.005","url":null,"abstract":"<div><div>Valorization of nitrous oxide (N₂O), a potent greenhouse gas, through the oxidative dehydrogenation of light alkanes such as methane and propane to produce light olefins (ethylene and propylene), presents a promising technique for both environmental mitigation and valuable chemical production. This review provides a systematic analysis of the differences between N₂O and O₂ as oxidants, emphasizing the distinctive advantages of N₂O as a mild oxidant for olefin production. It delves into key technologies, such as oxidative dehydrogenation of propane (ODHP) to propylene and oxidative coupling of methane (OCM) to ethylene, focusing on the underlying reaction mechanisms and recent advancements in catalyst development. A major challenge in these reactions is the trade-off between activity and selectivity. To address this, we propose an innovative strategy–redox center separation–to enhance catalytic performance. This comprehensive review offers valuable insights for the rational design of catalysts, advancing sustainable chemical engineering processes that utilize N₂O, while addressing critical environmental and industrial challenges.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 137-146"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Single solvent synthesis of lithium-selective hydrogen manganese oxide (HMO)-based mixed matrix membranes","authors":"Hafiz M. Saif ,&nbsp;Amanuel G. Gebretatios ,&nbsp;Rosa M. Huertas ,&nbsp;Joao G. Crespo ,&nbsp;Sylwin Pawlowski","doi":"10.1016/j.gce.2025.03.005","DOIUrl":"10.1016/j.gce.2025.03.005","url":null,"abstract":"<div><div>The rising lithium-ion battery market drives lithium demand and requires efficient and selective lithium recovery methods from aqueous sources. Membrane technologies can address environmental and inherent efficiency issues in conventional lithium extraction methods. This study presents the synthesis of novel lithium-selective mixed matrix membranes (MMMs) by integrating 0–30 wt% of a lithium selective filler named hydrogen manganese oxide (HMO) into a sulfonated polyethersulfone (SPES)-Nafion polymer matrix. The membranes were produced by casting and thoroughly examined to assess their chemical, physical, morphological, thermal, and mechanical characteristics. The transport of lithium across membranes was evaluated in diffusion and electro-diffusion studies. The membrane containing 20 wt% of HMO exhibited the highest ideal selectivity values, which were 1.05 for Li⁺/K⁺, 1.20 for Li⁺/Na⁺, and 13.36 for Li⁺/Mg²⁺; and more than 97% increase in lithium-ion conductivity when compared with the control membrane without HMO. In diffusion experiments, the binary separation factors for Li⁺/K⁺, Li⁺/Na⁺, and Li⁺/Mg²⁺ were 0.71, 1.52, and 11.83, respectively, while under electro-diffusion conditions, the corresponding values were 0.82, 1.55, and 9.88. Above 20 wt% of HMO, membranes lose their separation capacity as HMO aggregates inside the membrane structure. The higher selectivity of membranes towards Li⁺ in the presence of Mg²⁺ is due to magnesium's larger hydrated radius and higher hydration energy compared to lithium. Overall, the prepared membranes demonstrated a promising potential for green lithium recovery. This study facilitates the advancement of sustainable lithium-selective MMM synthesis.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 225-233"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sublimation crystallization: from mechanism to applications","authors":"Sai Wang ,&nbsp;Yuntian Xiao ,&nbsp;Yitian Su ,&nbsp;Yongkang Liu ,&nbsp;Shanshan Feng ,&nbsp;Hongchen Cao ,&nbsp;Ling Zhou ,&nbsp;Qiuxiang Yin","doi":"10.1016/j.gce.2025.02.001","DOIUrl":"10.1016/j.gce.2025.02.001","url":null,"abstract":"<div><div>Sublimation crystallization, a solvent-free purification technique, has emerged as a sustainable strategy in materials science for producing high-purity substances and advanced functional materials. This review delves into the thermodynamic and kinetic principles governing sublimation crystallization, such as vapor pressure, temperature, and molecular interactions, which play crucial roles in phase transitions and crystal growth. We then explore its practical applications in the separation and purification of materials, the preparation of high-quality single crystals, polymorph and cocrystal screening, and the fabrication of thin films and semiconductor devices. By clarifying the processes and mechanisms involved, this review aims to provide insights into how sublimation crystallization optimizes separation and purification techniques while enhancing material properties as a secondary benefit. This work also outlines future directions and challenges for refining high-efficiency purification methods and advancing sustainable chemical engineering technologies.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 147-167"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Engineering nano-trap distribution in metal-organic frameworks enables boost of SF6/N2 separation","authors":"Yan-Long Zhao,&nbsp;Yabo Xie,&nbsp;Xin Zhang,&nbsp;Xiang-Yu Li,&nbsp;Xuefeng Bai,&nbsp;Jian-Rong Li","doi":"10.1016/j.gce.2025.01.004","DOIUrl":"10.1016/j.gce.2025.01.004","url":null,"abstract":"<div><div>Separating/capturing SF₆, having the strongest global warming potential, from exhaust gas with low concentration (1%–10%) in the power industry is significant for both greenhouse gas emission control and SF₆ recycling and reutilization. In this study, we achieved highly efficient SF₆/N₂ separation under different SF₆ concentrations (1% and 10%) using two homologous metal-organic frameworks, Ni-bpz and Zn-bpz. This outcome underscores the effectiveness of rational nano-traps distribution engineering for targeted separation applications. The molecular simulation suggests that an SF₆ molecule interacts with a single nano-trap in Zn-bpz. At the same time, it is efficiently confined by two adjacent nano-traps in the parallel distribution of Ni-bpz. Consequently, exceptional SF₆/N₂ selectivity for 1/99 and 10/90 mixtures have been respectively achieved in Ni-bpz (516, SF₆/N₂ = 1/99) and Zn-bpz (608, SF₆/N₂ = 10/90) at 298 K and 1 bar. In dynamic breakthrough experiments, Ni-bpz exhibits a record pure N₂ (≥ 99.99%) productivity (1496 mL/g) for an SF₆/N₂ (1/99) gas mixture. Moreover, both MOFs demonstrate excellent water resistance across multiple cycles, suggesting their high promise for practical application.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 131-136"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient capture of thorium ions by the hydroxyl-functionalized sp2c-COF through nitrogen-oxygen cooperative mechanism","authors":"Long Chen ,&nbsp;Zhanjun Zhang ,&nbsp;Songtao Xiao ,&nbsp;Xinyan Li ,&nbsp;Shangjie Zhao ,&nbsp;Yaolin Zhao ,&nbsp;Chenxi Yu ,&nbsp;Zhaoning Feng ,&nbsp;Ke Ma ,&nbsp;Xiaojuan Liu ,&nbsp;Xiaofan Ding ,&nbsp;Jing Zhao ,&nbsp;Jinping Liu","doi":"10.1016/j.gce.2024.10.008","DOIUrl":"10.1016/j.gce.2024.10.008","url":null,"abstract":"<div><div>Since the continuous development of nuclear energy, substantial amounts of radioactive thorium wastewater are inevitably produced. The discharge of radioactive thorium wastewater not only pollutes the natural environment but also endangers human health. Due to its affordability, simplicity, and high effectiveness, the adsorption method has emerged as the most often used method for treatment. Covalent organic framework (COF) materials are excellent adsorbents with various characteristics, including superior chemical stability, design flexibility, and various architectures, and thus are widely used in separating radioactive nuclides. Herein, we synthesized two structurally similar COFs that vary in their pore dimensions and the connectivity of their modules. After incorporating hydroxyl groups into the structure of Tb-TMT formed by benzene-1,3,5-tricarbaldehyde (Tb) and 2,4,6-trimethyl-1,3,5-triazine (TMT), the uptake capacity of thorium ions is significantly enhanced. The differences in solution pH, contact time, initial concentration, and competitive ion experiments between the materials before and after hydroxyl functionalization were studied. Additionally, the research assessed their reuse capabilities. In this research, the Hb-TMT exhibits an outstanding adsorption capacity for Th(IV) ions, with a remarkable adsorptive capacity reaching 543.5 mg g⁻¹, and it showes good uptake efficiency within 5 min with excellent selectivity (<em>K</em>_d = 1.2 × 10⁴). After three cycles of regeneration, Hb-TMT still maintains a high level of adsorption capacity for Th(IV) (&gt; 80%) and has good reusability. Furthermore, the role of nitrogen-oxygen synergistic effect on hydroxyl-functionalized COF is highlighted by density functional theory (DFT) calculations. This study provides fresh insights for choosing functional groups in functionalized COFs, specifically for radionuclide adsorption.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 191-199"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-step preparation of asphalt-based porous carbon adsorbent with superior C2H6/CH4 selectivity for ethane recovery from natural gas","authors":"Jinhui Liu ,&nbsp;Xiaolong Sun ,&nbsp;Fei Teng ,&nbsp;Qibin Xia ,&nbsp;Zhong Li ,&nbsp;Ying Wu ,&nbsp;Xin Zhou","doi":"10.1016/j.gce.2024.10.007","DOIUrl":"10.1016/j.gce.2024.10.007","url":null,"abstract":"<div><div>Efficient recovery of ethane (C₂H₆) from natural gas is of industrial importance, yet it poses considerable challenges. Herein, we report the two-step green preparation of asphalt-based carbon adsorbent Asphalt-based Carbon adsorbents (AsCs) with exceptional C₂H₆/CH₄ selectivity and high capacity, where the KOH usage can be significantly reduced by 75% than conventional chemical activation processes. More importantly, the resulting AsC-0.75-900 exhibits exceptional C₂H₆/CH₄ separation performance with the ideal adsorbed solution theory (IAST) selectivity of 30.74 and C₂H₆ capacity of 4.53 mmol/g at 298 K and 100 kPa. Notably, even at the low pressure of 10 kPa, its C₂H₆ uptake remains high at 2.25 mmol/g, comparable to many advanced metal-organic frameworks (MOFs). Molecular simulation was used to elucidate the adsorption mechanism. Fixed-bed experiments further demonstrate dynamic separation performance, achieving complete separation of a C₂H₆/CH₄ binary mixture (10:90, v/v) at ambient condition. In addition to superior separation performance, AsC-0.75-900 offers inherent structural stability and cost-effectiveness, positioning it a highly promising candidate for C₂H₆ recovery from natural gas.</div></div>","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Pages 200-208"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Outside Back Cover","authors":"","doi":"10.1016/S2666-9528(25)00107-4","DOIUrl":"10.1016/S2666-9528(25)00107-4","url":null,"abstract":"","PeriodicalId":66474,"journal":{"name":"Green Chemical Engineering","volume":"7 2","pages":"Page OBC"},"PeriodicalIF":7.6,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145814416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}