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| 1 | Revisiting greenness of ionic liquids and deep eutectic solvents显示文摘Green solvents are one of the hot topics of green chemistry.Ionic liquids(ILs)and deep eutectic solvents(DESs)are deemed as green solvents to a certain extent,and they have been applied in many areas,such as dissolution,separation,catalysis,electrochemistry and material synthesis.However,the greenness of ILs and DESs should be revisited because more and more evidences have shown that they are not always green.In this perspective,besides the reported merits,the disadvantages and problems of some ILs and DESs,such as instability,volatility,hygroscopicity,toxicity,flammability,regenerability,cost,energy consumption and impurities are discussed.Moreover,13 strategies to avoid the disadvantages of ILs and DESs and to increase the greenness are proposed.Comparison of the greenness of ILs and DESs is further conducted.This perspective provides some new viewpoints on the greenness of ILs and DESs. | Yu Chen Tiancheng Mu | 2021 | Green Chemical Engineering2021，2，2： | 11 |
| 2 | Recent advances in carbon dioxide capture and utilization with amines and ionic liquids显示文摘Global warming and climate change due to anthropogenic carbon dioxide(CO_(2))have aroused significant concerns at the global scale due to rapid economic growth in industries and other fields.Therefore,CO_(2)capture,use,and storage have become particularly important.In this review,general background and methods for CO_(2)capture and separation,in particular,on ionic liquids(ILs)-based solvents and materials,are discussed.Comprehensive surveys of ILs for CO_(2)absorption are presented,which focused mainly on experimental researches,and then the concept is extended to functionalized absorbents and recent developments for CO_(2)capture.Major advantages and disadvantages of amines-based and ILs-based absorbents are discussed in this review.Solutions of traditional amines(MEA,MDEA,DEA,AMP,PZ,etc.)and ILs(conventional ILs,functionalized ILs,etc.)are summarized.Moreover,research progresses on CO_(2)separation are also introduced focusing mainly on amines and ILs-based membranes(e.g.supported amines membranes,SILMs).Futhermore,the fixation of CO_(2)into cyclic carbonates catalyzed by ILs(pure ILs,complex catalyst system with ILs,supported ILs,etc.)is summarized,clearly explaining the mechanism of CO_(2)fixation with ILs.Finally,exploration of some recent studies about CO_(2)capture and conversion by ILs and challenges for further progress are presented and related suggestions are put forward. | Yuxin Wu Jianhong Xu Kathryn Mumford Geoffrey W.Stevens Weiyang Fei Yundong Wang | 2020 | Green Chemical Engineering2020，1，1： | 9 |
| 3 | Recovery of natural active molecules using aqueous two-phase systems comprising of ionic liquids/deep eutectic solvents显示文摘Due to environmental protection requirements,extraction of bioactive compounds from plant materials using environment-friendly green solvents has always been a research hotspot.And great efforts of scholars have been made in this direction,as well as environment-friendly solvents have been used to develop many innovative extraction techniques.Ionic liquids(ILs)and deep eutectic solvents(DESs)are two kinds of typical designable green solvents,which are potential replacements for traditional volatile organic solvents used for extracting.Under the substances action of inorganic salts or polymers,ILs/DESs can form an aqueous two-phase system(ATPS),which has obvious advantages for separating natural products.This paper discussed the phase separation principle of ILs/DESs-based ATPSs and reviewed the applications in the extraction of natural active molecules in recent years,as well as to promote the development of separation of the active constituents in Chinese materia medica. | Yicong Wang Shanshan Wang Leilei Liu | 2022 | Green Chemical Engineering2022，3，1： | 4 |
| 4 | Deep eutectic solvents eutectogels:progress and challenges显示文摘Deep eutectic solvents(DESs)have received widespread attention for their advantages of good electrical conductivity,stability,environmental friendliness,and easy preparation with a wide range of applications.However,it was not until recent years that DESs were used as gel electrolytes as environmentally friendly alternatives to ionic liquids(ILs).In this mini review,we first introduce the DESs related eutectogels(or ion gels),then introduce the types and applications of the gels,the opportunities and challenges of them are also summarized. | Jiake Wang Shangzhong Zhang Zhongzheng Ma Lifeng Yan | 2021 | Green Chemical Engineering2021，2，4： | 4 |
| 5 | Amino-functionalized porous PDVB with high adsorption and regeneration performance for fluoride removal from water显示文摘Excessive fluoride anions in drinking water are toxic to the health of human beings.In this article,an effective fluoride removal adsorbent on the basis of amino-functionalized porous polydivinylbenzene(PDVB)was prepared through low cost processes,which included solvothermal preparation of porous PDVB and subsequent surface amino-functionalization.The obtained amino-functionalized porous PDVB(A-PDVB)has high surface area of 443 m2 g1 and high adsorption capacity towards fluoride anion up to 105.9 mg g1.Considering adsorbents surface area,the adsorption capacity per unit surface area of A-PDVB is 0.24 mg m2 which is more than 4 times of porous PDVB(0.058 mg m2).The enhanced adsorption performance of A-PDVB was due to amino groups electrostatic interaction coupled with hydrogen bond binding with fluoride anions.In addition,the aminofunctionalized porous PDVB could be regenerated in high efficiency under alkaline conditions.This work not only exhibits the possibility of A-PDVB for application as an environment-friendly adsorbent for fluoride removal but also gives an insight into understanding mechanism of the fluoride anions adsorption onto aminofunctionalized porous PDVB. | Yuanyuan Huang Xianbiao Wang Yongfei Xu Shaojie Feng Jin Liu Huanting Wang | 2021 | Green Chemical Engineering2021，2，2： | 4 |
| 6 | Progress in thermodynamic simulation and system optimization of pyrolysis and gasification of biomass显示文摘Due to the shortage of fossil energy,biomass has a potential to be a very promising alternative source.Unfortunately,a large part of biomass resources worldwide causes serious environmental pollution,low value-added utilization and energy waste due to unsustainable utilization of biomass.Simulation and optimization of the thermochemical utilization of biomass resources is a hot issue in the industry and academia,which can provide the relationship between the utilizations of biomass with sustainable objective and compositions of biomass,operational parameters,etc.This review focused on the theoretical research progress of sustainable utilization of biomass resources from three aspects:basic thermochemical data estimation,process simulation and system optimization of pyrolysis and gasification.And the application of artificial intelligence as a tool in the field of above three aspects was also introduced.Advantages and limitations of current methods,as well as future opportunities and challenges were also discussed. | Yang Zhang Yuanhui Ji Hongliang Qian | 2021 | Green Chemical Engineering2021，2，3： | 4 |
| 7 | Recent advances in the coupling of CO2 and epoxides into cyclic carbonates under halogen-free condition显示文摘The chemical transformation of CO2 and epoxides into cyclic carbonates has been receiving much attention and is one of the successful examples for CO2 utilization as carbon resource.Many catalysts containing halide anions have been explored and exhibit excellent catalytic activity.However,halogen salt is generally toxic and corrosive to reactors.From a green chemistry perspective,it is more attractive to develop a halogen-free catalyst with excellent performance.Herein,a review of recent research progress of halogen-free catalysts in the cycloaddition of CO2 and epoxide is presented.According to previous experimental and theoretical works,two possible strategies for achieving the halogen-free process were summarized.The relationship between catalytic activity and catalyst structure,the mechanism of CO2 activation should be both studied deeply combined with experimental results and DFT calculation,which can guide the design of new catalysts and realize halogen-free process under mild reaction conditions. | Feng Zhang Yanyan Wang Xiaochun Zhang Xiangping Zhang Huizhen Liu Buxing Han | 2020 | Green Chemical Engineering2020，1，2： | 4 |
| 8 | Improved dispersion performance and interfacial compatibility of covalent-grafted MOFs in mixed-matrix membranes for gas separation显示文摘Mixed-matrix membranes(MMMs)have received much attention due to their processable advantages of polymer and high permeability and/or selectivity of porous metal-organic frameworks(MOFs)fillers.However,the interfacial defects caused by poor interaction between MOFs with polymers and the agglomeration phenomenon caused by uneven dispersion of MOFs are common problems in mixed-matrix membranes.Currently,the priming protocol is one of solutions to the above problems,but it cannot precisely regulate the dispersion of particles and the interfacial compatibility between two phases.Herein,covalent grafting of polyimide 6FDA-Durene onto the surface of UiO-66-NH2 can mitigate the aggregation of fillers inside the polymeric matrices and improve the interfacial interaction between two phases,thus significantly improving the CO_(2)/CH_(4)separation performance on the as-synthesized MMMs.The explored gas transport mechanism indicated that the improved separation was due to the raise of solubility selectivity.Furthermore,the stronger covalent bond between fillers and polyimide than physical interaction of priming protocol also endows the improved anti-plasticization phenomenon for CO_(2)/CH_(4)separation. | Chongqing Wang Guangjie Ren Kaifeng Wei Donghui Liu Tingting Wu Jinlong Jiang Junfeng Qian Yichang Pan | 2021 | Green Chemical Engineering2021，2，1： | 3 |
| 9 | Electrospinning in membrane contactor:manufacturing Elec-PVDF/SiO2 superhydrophobic surface for efficient flue gas desulphurization applications显示文摘In membrane contactors,maintaining a high SO_(2)absorption flux and an excellent wetting resistance are crucial for hazardous gas removal.In this study,we adopted an electrospinning strategy to fabricate highly robust superhydrophobic dual-layer Elec-PVDF/SiO_(2)composite membrane contactors used for flue gas desulfurization.The composite membrane contactor consisted of a durable and ultrathin three-dimensional(3D)superhydrophobic surface and a porous supporting layer,where the formulation was optimized by regulating the PVDF concentration,solvent ratio and SiO_(2)particles content in electrospinning solution.The scanning electronic microscopy(SEM),EDS-mapping,water contact angle(WCA)and surface roughness of as-prepared Elec-PVDF/SiO_(2)composite membrane contactors were conducted to explore the physical and chemical structure.The SiO_(2)nanoparticles were uniformly loaded in ElecPVDF/SiO_(2)composite membrane contactor,and constructed micro-nano dual-coarse lotus-leaf-like morphology,which noticeably elevated surface roughness(Ra).The SiO_(2)nanoparticles also functioned as hydrophobic modifiers,which boosted the WAC up to 155.The SO_(2)absorption fluxes and SO_(2)removal efficiencies were investigated.In particular,the membrane contactor doped with 20 wt%SiO_(2)nanoparticles significantly elevated the stability of desulfurization performance.Besides,the membrane mass transfer coefficient(Km)and corresponding membrane mass transfer resistance(H/Km)were explored. | Qingping Xin Kaiqiang Xie Qingqing Liang Xu Li Yinan Zeng Yuhang Zhao Lei Zhang Shaofei Wang Hong Li Yuzhong Zhang | 2021 | Green Chemical Engineering2021，2，1： | 3 |
| 10 | Effect of oxygen plasma treatment on the nanofiltration performance of reduced graphene oxide/cellulose nanofiber composite membranes显示文摘Graphene based nanosheets have been widely used as building blocks for fabrication of superior separation membrane for water processing.In particular,membranes made of reduced graphene oxide(rGO)show better stability compared with graphene oxide(GO).However,densely stacked of rGO often results in low water flux.In this study,cellulose nanofibers(CNFs)were incorporated into the rGO laminates by vacuum filtration of dilute GO/CNF solution and thermal reduction at 150C for 1.5 h.The resulting rGO/CNF membrane was treated with oxygen plasma for 1–4 min to create nanopores on the membrane surface for the purpose of enhancing nano-filtration performance.The results showed that the optimum membrane performance was obtained by using the equal amount of GO(31.83 mg m^(-2))and CNFs accompanied by 3 min of plasma treatment,exhibiting a pure water permeance of 37.23.9 L m^(-2)h^(-1)bar^(-1)maintaining a rejection above 90%for Acid Fuchsin(1.2×1.1 nm),Rose Bengal(1.5×1.2 nm)and Brilliant Blue(2.2×1.7 nm). | Shabin Mohammed Hanaa MHegab Ranwen Ou Shasha Liu Hongyu Ma Xiaofang Chen Tam Sridhar Huanting Wang | 2021 | Green Chemical Engineering2021，2，1： | 3 |
| 11 | Hierarchically structured semiconductor@noble-metal@MOF for high-performance selective photocatalytic CO_(2)reduction显示文摘Photocatalytic CO_(2)reduction to convert solar energy to clean energy remains a critical challenge in exploring efficient catalysts.Herein,a hierarchical structured BiVO4@Au@UiO-66-NH_(2)with high photocatalytic activity was fabricated.The theoretical calculations revealed that the metal–organic framework(MOF)with relative higher conduction band(CB)and UiO-66-NH_(2)with relative lower valence band(VB)could absorb full light spectrum,combining Au nanoparticle with suitable Fermi level into a particulate tandem heterojunction.This configuration can not only lower the activation barrier of CO_(2)reduction using the rich active site of MOF,but also improve the selectivity toward CO by optimizing the reaction pathway.Notably,the experimental evaluation proved that BiVO4@Au@UiO-66-NH2 displays a producing rate of 232.7μmol h^(-1)g^(-1)for CO and a selectivity of 97.2%.The investigation reveals that elaborately integrating multiple functional components into such a hier-archical structure enables optimizing crucial processes in photocatalytic CO_(2)conversion and enhancing selectivity via synergistic catalysis. | Yibo Dou Si-Min Xu Awu Zhou Haozheng Wang Jian Zhou Hong Yan Jian-Rong Li | 2020 | Green Chemical Engineering2020，1，1： | 3 |
| 12 | Green production of sugar by membrane technology:How far is it from industrialization?显示文摘Application of membrane filtration in sugar production is attractive because it can reduce the usage of chemicals,produce high-quality clarified juice,and obtain various high value-added products.However,some technical problems,such as insufficient membrane performance,high sucrose loss in membrane retentate,severe membrane fouling,and incomplete cleaning protocols,limit its industrial applications.In order to facilitate the development of membrane technology for sugar production,this review summarizes recent progress on the applications of membrane filtration in different stages of sugar production as well as the integrated membrane processes for various purposes.Moreover,some important issues including membrane fouling,membrane cleaning,economic feasibility and engineering problems of the membrane-based sugar production process are discussed.Finally,the existing challenges and future research prospects for the industrialization of this green technique are pointed out. | Hao Zhang Jianquan Luo Lulu Liu Xiangrong Chen Yinhua Wan | 2021 | Green Chemical Engineering2021，2，1： | 3 |
| 13 | Polybenzimidazole(PBI)and benzimidazole-linked polymer(BILP)membranes显示文摘Polybenzimidazoles(PBIs)and benzimidazole-linked polymers(BILPs)have exceptional thermal and chemical stability,and hence,their membranes were developed and used under harsh conditions.In this review,the formation,structures,and properties of these polymers are studied follow by the fabrication of membranes.Applications,such as gas separation,organic solvent nanofiltration,water treatment,pervaporation and proton exchange,are extensively reviewed.The relationship of membrane performance and structure is established,highlighting the importance of processing protocols and post treatments.Future directions are provided on the basis of the conclusions. | Shenzhen Cong Jixiao Wang Zhi Wang Xinlei Liu | 2021 | Green Chemical Engineering2021，2，1： | 3 |
| 14 | Synthesis and modification of biomass derived carbon dots in ionic liquids and their application: A mini review显示文摘As one kind of promising zero-dimensional nanomaterials,carbon dots(CDs)have attracted extensive attention recently in green chemistry and engineering on account of their excellent properties,such as water solubility,comparable optical properties,low toxicity,and surface passivation and functionalization.One direction in CDs research is to prepare these materials with low cost and high quantum yield(QY).As an alternative protocol,utilizing biomass or its derivatives as the raw materials would create more chances to produce biocompatible and cheap CDs.Due to the good solvability for biomass,various ionic liquids(ILs)have been tested in the field of biomass derived CDs,which are found multiple roles of solvation and surface functionalization in the synthesis and application of these materials.This review will not cover the whole developed picture of CDs,but just summarizes the latest research progresses on the ILs based preparation and applications of CDs from biomass and its derivatives.The roles of ILs displayed in the corresponding processing including intensification and surface modification were discussed in detail.At the end of this review,an outlook was provided to highlight the challenges and opportunities associated with this interesting and promising area. | Yumeng Wang Jian Sun Bin He Mi Feng | 2020 | Green Chemical Engineering2020，1，2： | 3 |
| 15 | Make the chemical industry greener with green carbon science:an interview with Mingyuan He显示文摘The development of the chemical industry not only enables tremendous progress in terms of industrial development but also promotes the progress of human society.However,this development has seriously impact on ecological environment.At present,along with the world focus on issues of environment protection and green development,green chemical engineering has become the trend of global chemical industry development.Recently,Green Chemical Engineering(GreenChE)talked with Professor Mingyuan He—an elected Member of Chinese Academy of Sciences and one of the leading scientists in the field of green chemical engineering.He introduced the main scientific issues of green carbon science and carbon dioxide chemical industry and shared his research experiences with us. | Yuan Tian Huimin Zhao Xinxin Wang | 2020 | Green Chemical Engineering2020，1，1： | 2 |
| 16 | New technology of ionic liquid-based NH3/CO2 separation from melamine tail gas显示文摘Melamine is an important industrial raw material,and widely used in the production of thermal insulation materials,adhesives,fiber materials and so on.Generally,every 1 ton of melamine produced through decomposition and condensation reaction using urea generates about 2.2 tons of tail gas containing about 70%NH_(3)and 29%CO_(2).According to the phase diagram of NH_(3)–CO_(2)-AM(ammonium carbamate),NH_(3)and CO_(2)are easy to react and form AM solid under 63C at ambient pressure,which make it difficult to selective recovery of NH_(3).Water scrubbing is the mostly used technology in industries,but this method demands high energy consumption and discharges a large amount of NH_(3)-containg wastewater,which seriously restricts the sustainable development of industries. | Shaojuan Zeng Haifeng Dong Yinge Bai Xiangping Zhang Suojiang Zhang | 2020 | Green Chemical Engineering2020，1，1： | 2 |
| 17 | Recent understanding of solid-liquid friction in ionic liquids显示文摘Ionic liquids(ILs)-solid interfacial phenomenon is undoubtedly one of the topic issues in energy related fields,especially bringing great challenges in the development of chemical engineering.Solid-ILs friction under microscale shows outstanding properties such as widely studied electro-controllability by surface potential or electric field,and promising performance of superlubricity.Vast applications,such as boundary lubrication and supercapacitors,have been benefiting from these studies.In this review,we summarized the recent advances of the measurements of solid-ILs friction,and focused on the microscale and fascinating findings.A brief tutorial for this topic,containing both experimental and theoretical methods,was also provided.It was anticipated that this review would help researchers grasp the emerging field and stimulate the advance of new ideas and methods in ILs on solids. | Yuqing He Han Li Cangyu Qu Wei Cao Ming Ma | 2021 | Green Chemical Engineering2021，2，2： | 2 |
| 18 | High-efficient crystal particle manufacture by microscale process intensification technology显示文摘High-end crystal manufacture has drawn a permanent concern on the high-efficient manufacture of crystal particles,especially in fine chemical,pharmaceutical,electronics,biological and relative engineering fields.In recent years,a series of microscale process intensification(MPI)technologies have been widely used in crystal particles preparation via addressing the control of nucleation and growth process.Herein,we review the research progresses of microscale process intensification technology from three aspects,microfluidics devices,microscale force field technology and membrane-based microchannels and interface transfer process.Firstly,the principle of microfluidic and relative microscale device on improving micro-mixing and mass transfer are briefly described.The advantage of microfluidic in continuous nano particle preparation is outlined.Microscale external force field(ultrasonic,high-gravity,electric and magnetic fields)is then introduced as another novel approach for ultrafine nanoparticles and continuous drug crystallization process.Further,in view of the micro-scale intensified mass transfer and microscale interfacial force field established on membrane technology,the basic mechanism of membrane crystallization(microscale 2D supersaturation degree control,auto seed detachment,microporous membrane dispersion,etc.)is reviewed.The process coupling and design strategy aiming for enhancing the manufacture capacity is also illustrated.Finally,the developing tendency and key challenges of high-efficient crystal particle preparation technology via microscale processes are overviewed. | Yuchao Niu Shaofu Du Lei Sheng Wu Xiao Xiaobin Jiang Gaohong He | 2021 | Green Chemical Engineering2021，2，1： | 2 |
| 19 | CO_(2) capture and in-situ conversion: recent progresses and perspectives显示文摘Global warming caused by excess carbon dioxide(CO_(2))emission has been a focus of the world.The development of neutral carbon technologies becomes a strategic choice for the sustainable human society.Integrating CO_(2) capture and conversion(iCCC)technology can simultaneously convert the captured CO_(2) from flue gas into value-added chemicals,which saves great energies and expenses incurred in CO_(2) compression and transportation processes of conventional carbon capture,utilization,and storage(CCUS)technology.The present review criti-cally discusses the dual-function materials(DFMs)and the iCCC technology at intermediate temperature for methane production and high temperature for syngas production.The design of reactor and optimization of operation conditions are emphasized from the perspective of industrial applications.The dual-fixed-bed reactors mode by switching the flue gas and reactant gases,and the dual-fluidized-bed reactors mode by the circulation of DFMs particles are comparatively reviewed.We hope this review can stimulate further studies including designing and fabricating feasible DFMs,exploring realistic catalytic process for CO_(2) conversion to high value-added chemicals,developing workable reactor modes and optimizing operation conditions,and establishing industrial demonstration for real applications of iCCC technology in the future. | Bin Shao Yun Zhang Zheyi Sun Jianping Li Zihao Gao Zhicheng Xie Jun Hu Honglai Liu | 2022 | Green Chemical Engineering2022，3，3： | 2 |
| 20 | Recent applications of ionic liquids in quasi-solid-state lithium metal batteries显示文摘Quasi-solid-state lithium metal batteries are considered as one of the most promising energy storage devices,and the application of ionic liquids(ILs)as a new generation of functionalized electrolyte components in lithium metal batteries has become one of the research focuses.In this review,the very recent research work related to using ILs to develop quasi-solid-state electrolytes and their influences on the performances of quasi-solid-state lithium metal batteries were surveyed and summarized,suggesting that the introduction of ILs can improve the ionic conductivity,broaden the electrochemical stability window,and enhance the electrochemical stability of the selected electrolytes.Moreover,using ILs to prepare high-performance electrodes with unique microstructures and uniform distribution of fillers were also introduced.The composite quasi-solid-state electrolytes were suggested as the mainstream of electrolytes in the future due to the combination of the advantages of inorganic and polymer quasi-solid-state electrolytes,and their development challenges in high energy and high safety quasisolid-state lithium metal batteries were also discussed. | Jiajia Li Fangfang Li Lan Zhang Haitao Zhang Ulla Lassi Xiaoyan Ji | 2021 | Green Chemical Engineering2021，2，3： | 2 |
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