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Efficient hydrothermal pretreatment of mixed PHA/PLA and subsequent continuous anaerobic fermentation into VFA
DOI: 10.1039/D5GC02732B, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Yong Jin, Ralf Beckmans, Kasper D. de Leeuw, David P. B. T. B. StrikBiobased biodegradable plastic recycling with an overall efficiency of 90% was achieved via an open-culture process enriched with species related to Clostridium tyrobutyricum. Mixing bioplastics enhances hydrolysis and expands VFA product spectrum.
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Graphitization-engineered biochar for solar-driven nutrient recovery and sustainable biogas slurry valorization
DOI: 10.1039/D5GC04612B, PaperZhengming Yang, Zhongfeng An, Zhuochao Wang, Khantaphong Charoenkal, Yang Xu, Taiwen Li, Han Ding, Tianyu Xu, Xuecheng Sun, Shan Lin, Qiang Li, Hongliang Cao
Solar-driven interfacial evaporation using low-cost biochar evaporators presents a sustainable and highly promising strategy for valorizing nutrient-rich biogas slurry.
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Organo-photocatalyzed deoxygenative alkylcarboxylation of olefins with alcohols and CO2
DOI: 10.1039/D5GC04497A, CommunicationZeyou Wang, Yilin Ding, Yuye Lou, Kun Jin, Jihong Liu, Xiujuan Feng, Ming Bao, Xuan Zhang
A general photocatalytic strategy for the deoxygenative alkylcarboxylation of alkenes with CO2 and alcohols mediated by xanthate salts is described.
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Enhanced methane combustion over monoclinic single-site Mn-containing nanosized MFI zeolite catalyst
DOI: 10.1039/D5GC04039F, PaperMarco Giuseppe Geloso, Sajjad Ghojavand, Chunzheng Wang, Edwin B. Clatworthy, Oleg I. Lebedev, Diogenes Honorato Piva, Francesco Dalena, Glorija Medak, Aymeric Magisson, Hristiyan A. Aleksandrov, Georgi N. Vayssilov, Svetlana Mintova
Our study addresses a critical challenge in the development of thermally stable, selective, and efficient catalysts for lean methane (CH4) combustion.
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Efficient catalytic depolymerization of high-molecular-weight PMMA under low-temperature and high-concentration conditions
DOI: 10.1039/D5GC04143K, PaperYang Ma, Xi-Man Yang, Hao-Nan Shi, Junfang Li, Xiao-Yan Wang, Yong Tang
To help alleviate resource waste and environmental pollution from discarded poly(methyl methacrylate) (PMMA), we demonstrate facile synthesis and efficient catalytic depolymerization of high-molecular-weight PMMA.
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Polyesters incorporating biobased monomers for soil-release treatment of synthetic textile surfaces
DOI: 10.1039/D5GC04056F, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Emanuella F. Fiandra, Matthieu Starck, Elliot K. Findlay, Josephine Binks, Gang Si, Ruth Chilton, Mark R. Sivik, Richard L. Thompson, Mark R. Wilson, Clare S. MahonA biobased monomer has been used to partially replace terephthalic acid in soil-release polymers. The resulting copolymers enabled enhanced cleaning of polyester and polyspandex fabrics, presenting high-performance detergent additives with an improved sustainability profile.
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Surfactant-enabled strategy for molecular solar thermal energy storage systems in water
DOI: 10.1039/D5GC04357C, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lorette Fernandez, Helen Hölzel, Pedro Ferreira, Nicolò Baggi, Kévin Moreno, Zhihang Wang, Kasper Moth-PoulsenA surfactant-water-based approach is applied as a safer and more environmentally friendly alternative to toluene for molecular solar thermal energy storage using norbornadiene-quadricyclane derivatives.
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Efficient oxidative cleavage of β-O-4 linkage in lignin model compounds enabled by a simple Anderson-type polyoxometalate
DOI: 10.1039/D5GC03832D, PaperDianyong Yang, Shuo Xie, Danqi Wu, Ji Ding, Enting Shi, Pengfei An, Sheng Dai, Li Guo, Zhenshan Hou
In this work, a simple Anderson-type polyoxometalate (POM), (NH4)4[CuMo6O24H6] (CuMo6), was utilized for the cleavage of β-O-4 linkages in lignin and its model compounds.
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Efficient synthesis of covalent organic frameworks in supercritical carbon dioxide and their application in iodine capture
DOI: 10.1039/D5GC05101K, PaperHai Jiang, Shenglin Wang, Bin Zheng, Xiaofang Su, Muhammad Naveed Javed, Hui Hu, Huanjun Xu, Yanan Gao
Covalent organic frameworks (COFs) synthesized in supercritical CO2 show crystallinity and porosity similar to or better than those of solvothermal products, with much less solvent waste, shorter reaction time, and good iodine adsorption performance.
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Enhanced catalytic aminolysis of polyethylene terephthalate plastic wastes via zeolite acid–base site regulation
DOI: 10.1039/D5GC04043D, PaperXiaoqin Si, Meng Wu, Yifan Niu, Kanglin Hou, Mengping Fan, Xin Liu, Chen Sun, Tianliang Lu
An Na-ZSM-5-70 zeolite with regulated acid–base sites was fabricated through the incorporation of metal ions, and it showed high catalytic activity for PET aminolysis to BHETA.
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Two-step chemolytic delamination and depolymerization of multilayer laminated packaging films into valuable chemicals
DOI: 10.1039/D5GC02780B, PaperKalsoom Jan, Taofeng Lu, Christian Ayafor, Yuanqiao Rao, Junho Jeon, Junsi Gu, Maria C. Folgueras, Hsi-Wu Wong, Wan-Ting Chen
Two-step chemolysis enables the delamination and catalytic depolymerization of multilayer packaging films waste into high-value chemicals.
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Closed-loop upcycling of PET waste into defect-engineered Ni@C electrocatalysts for efficient formate production
DOI: 10.1039/D5GC04403K, PaperRui Qin, Chenyang Wei, Yijun Yin, Zhaohui Yang, Shao Wang, Yurun Tian, Lan Chen, Zhimin Xue, Tiancheng Mu
An electrocatalyst with rich carbon defects and oxygen vacancies was prepared for the synthesis of FA from PET waste. Specifically, Ni@C-250A realizes stable electrolysis at 1.5 V (vs. RHE) with a FA production rate of 3.52 mmol cm−2 h−1.
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Scalable green sustainable photosynthesis of H2O2: catalyst-free H radical generation and ORR under sunlight
DOI: 10.1039/D5GC04018C, PaperMeng Liu, Qi Miao, Xiaoyuan Zhou, Dan Luo, Hongli Wei, Pan Wu, Changjun Liu, Wei Jiang
The green closed-loop photosynthesis mechanism of H2O2 is catalyst-free. The radical generation via three pathways: prioritized active PA–O2 complexation with O2 present, highly selective O–H/C–H homolytic cleavage and a subsequent HAT process.
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A green and robust chitin hydrogel toward a high-performance Zn anode for sustainable energy storage
DOI: 10.1039/D5GC03960F, PaperYuyang Yan, Haodong Zhang, Yanbo Zhu, Xiaotang Gan, Jinping Zhou
A green and robust chitin hydrogel facilitates the desolvation of hydrated Zn2+ ions and ensures homogeneous deposition, thereby effectively suppressing Zn dendrite formation and side reactions.
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Coordination regulation of single-atom catalysts toward enhanced photocatalytic ammonia synthesis
DOI: 10.1039/D5GC04101E, Tutorial ReviewRong Tang, Hu Guo, Wei Jiang, Jun Di
This review systematically summarizes recent advances in single-atom regulation for enhanced photocatalytic ammonia synthesis, focusing on structure–property relationships.
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SiC nanowire supported Pd for efficient flow hydrogenation of nitroarenes to arylamines
DOI: 10.1039/D5GC03554F, PaperAichun You, Weixian Lian, Xianliang Fu, Yuge Fan, Jinni Shen, Xuan Zhao, Li Zhu, Fan Tian, Man Xu
A highly efficient continuous-flow catalytic system for the ambient hydrogenation of nitroarenes to arylamines has been developed over Pd/SiC NWs.
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One-pot three-component metal-free catalytic sustainable synthesis of pyrroles from biomass-derived amino alcohols
DOI: 10.1039/D5GC02784E, PaperSihan Zhao, Meitian Fu, Lu Yin, Zhou Zhang, Minglong Yuan, Chao Huang
This paper describes a method for the efficient and sustainable synthesis of renewable pyrroles from biomass-derived amino alcohols under metal-free catalytic conditions without the requirement of additional solvents.
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Utilisation of Analytical Method Greenness Score to drive sustainable chromatographic method development
DOI: 10.1039/D5GC01574J, PaperFrancis Power, Paul Ferguson, Abigail Herbert, Sara Ryan, Matthew Osborne, Louie Trezise
Sustainability considerations are gaining prominence within the pharmaceutical industry, driven primarily by increased awareness of environmental impacts associated with pharmaceutical development and manufacturing.
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Self-cleaning catalysts enable recycling of multilayered plastic films
DOI: 10.1039/D5GC02739J, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Dai-Phat Bui, Shuheng Wang, Laura A. Gomez, Tahmid Ul Karim, Thomas S. Salas, Samira Abdolbaghi, Kevin Nelson, Lance L. Lobban, Christos T. Maravelias, Steven P. CrossleySelf-cleaning catalysts convert polyol impurities in multilayered films to polyolefin compatible streams.
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Low-temperature modified-immersion molten ZnCl2-carbonization and activation for continuous production of mesoporous carbon from plastic waste
DOI: 10.1039/D5GC02465J, PaperTheerawat Waiyaka, Rungkiat Nganglumpoon, Chonticha Rajrujithong, Weerachon Tolek, Pui Vun Chai, Masayuki Shirai, Anuchit Wuttitrairat, Paisan Kittisupakorn, Joongjai Panpranot
We developed a prototype continuous MSCA system using a modified-immersion ZnCl2 molten salt process at 350 °C to convert common plastic waste (PP, PLA, and PET) into high-surface-area mesoporous carbon for energy storage applications.
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