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Metal salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 205-210 doi: 10.1007/s11705-017-1625-3

Abstract: Metal salts with highly electronegative cations have been used to effectively catalyze the liquid-phaseSeveral salts including FeCl , ZrCl , AlCl , CuCl , NiCl , ZnCl , MnCl , Fe(NO ) ·9H O, Bi(NO ) ·5H OIn addition, it was determined that the metal counterion and the presence of water hydrates in the salt

Keywords: metal salts     electronegativity     nitrobenzene     NO2     catalytic nitration    

Effects of two transition metal sulfate salts on secondary organic aerosol formation in toluene/NO

Biwu CHU, Jiming HAO, Junhua LI, Hideto TAKEKAWA, Kun WANG, Jingkun JIANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 1-9 doi: 10.1007/s11783-012-0476-x

Abstract: Aerosol phase reactions play a very important role on secondary organic aerosol (SOA) formation, and metal-containingIn this study, we tested the effects of two transition metal sulfate salts, manganese sulfate (MnSO )By comparing photochemical reaction products of experiments with and without transition metal sulfateseed aerosols, we evaluated the effects of transition metal sulfate seed aerosols on toluene consumptionThese observations are consistent when varying metal sulfate aerosol concentrations.

Keywords: manganese sulfate     zinc sulfate     seed aerosols     toluene photooxidation     secondary organic aerosol    

A new regeneration approach to cation resins with aluminum salts: application of desalination by its

Zhigang LIU, Shaomin ZHU, Yansheng LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 45-50 doi: 10.1007/s11783-010-0262-6

Abstract: A novel method for the regeneration of cation exchange resins by aluminum (Al) salts was investigated

Keywords: aluminum (Al) form resins     desalination     mixed bed (MB)     regeneration    

Corrosion behavior of metallic alloys in molten chloride salts for thermal energy storage in concentrated

Wenjin Ding, Alexander Bonk, Thomas Bauer

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 564-576 doi: 10.1007/s11705-018-1720-0

Abstract:

Recently, more and more attention is paid on applications of molten chlorides in concentrated solar power (CSP) plants as high-temperature thermal energy storage (TES) and heat transfer fluid (HTF) materials due to their high thermal stability limits and low prices, compared to the commercial TES/HTF materials in CSP-nitrate salt mixtures. A higher TES/HTF operating temperature leads to higher efficiency of thermal to electrical energy conversion of the power block in CSP, however causes additional challenges, particularly increased corrosiveness of metallic alloys used as containers and structural materials. Thus, it is essential to study corrosion behaviors and mechanisms of metallic alloys in molten chlorides at operating temperatures (500–800 °C) for realizing the commercial application of molten chlorides in CSP. The results of studies on hot corrosion of metallic alloys in molten chlorides are reviewed to understand their corrosion behaviors and mechanisms under various conditions (e.g., temperature, atmosphere). Emphasis has also been given on salt purification to reduce corrosive impurities in molten chlorides and development of electrochemical techniques to in-situ monitor corrosive impurities in molten chlorides, in order to efficiently control corrosion rates of metallic alloys in molten chlorides to meet the requirements of industrial applications.

Keywords: corrosion mechanisms     impurities     metallic corrosion     salt purification     electrochemical techniques    

Deep eutectic ionic liquids based on DABCO-derived quaternary ammonium salts: A promising reaction medium

Muhammad Faisal, Azeem Haider, Quret ul Aein, Aamer Saeed, Fayaz Ali Larik

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 586-598 doi: 10.1007/s11705-018-1788-6

Abstract: DEILs) based on 1,4-diazabicyclo[2.2.2]octane; triethylenediamine (DABCO)-derived quaternary ammonium salts

Keywords: terpyridine     deep eutectic solvent     ionic liquid     Kröhnke reaction     DABCO    

Functionalized activated carbon for the adsorptive removal of perchlorate from water solutions

Rovshan MAHMUDOV, Chinglung CHEN, Chin-Pao HUANG

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 194-208 doi: 10.1007/s11705-015-1517-3

Abstract: activated carbon, namely, Filtrasorb 400 and Nuchar SA, were functionalized by quaternary ammonium salts

Keywords: perchlorate     activated carbon     removal     functionalization     quaternary ammonium salts    

Advancement of metal(loid) research on farmland

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2024554

Abstract:

● It is crucial to comprehensively summarize remediation technologies and identify future development directions.

Keywords: Metal(loid) pollution     metal(loid) remediation     metal(loid) sources     soil    

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Frontiers of Chemical Science and Engineering   Pages 1632-1642 doi: 10.1007/s11705-022-2187-6

Abstract: Although metal–organic frameworks offer a new platform for developing versatile sorption materials, yetHerein, a ternary mechanism for U(VI) uptake in metal–organic frameworks was reported.energy-dispersive X-ray spectroscopy and zeta potential measurement reveal that U(VI) uptake in the three metal–organicThe present study suggests that changing metal center of metal–organic frameworks and sorption conditionsalters sorption mechanism, which helps to construct effective metal–organic frameworks-based sorbents

Keywords: U(VI)     metal–organic frameworks     adsorption mechanism     metal node    

Effects of additive NaI on electrodeposition of Al coatings in AlCl

Tianyu Yao, Haiyan Yang, Kui Wang, Haiyan Jiang, Xiao-Bo Chen, Hezhou Liu, Qudong Wang, Wenjiang Ding

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 138-147 doi: 10.1007/s11705-020-1935-8

Abstract: of NaI as an additive on electrodeposition of Al coatings in AlCl -NaCl-KCl (80-10-10 wt-%) molten saltsThe electrodeposition of Al coatings in the AlCl -NaCl-KCl molten salts electrolyte proceeds via three-dimensionalaverage particle size of 3 μm was obtained at a current density of 50 mA∙cm in AlCl -NaCl-KCl molten salts

Keywords: NaI     additive     electrodeposition     molten salts     Al coating    

Hierarchical porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors with high energy density

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 387-394 doi: 10.1007/s11705-022-2250-3

Abstract: Porous carbons with high specific area surfaces are promising electrode materials for supercapacitors. However, their production usually involves complex, time-consuming, and corrosive processes. Hence, a straightforward and effective strategy is presented for producing highly porous carbons via a self-activation procedure utilizing zinc gluconate as the precursor. The volatile nature of zinc at high temperatures gives the carbons a large specific surface area and an abundance of mesopores, which avoids the use of additional activators and templates. Consequently, the obtained porous carbon electrode delivers a satisfactory specific capacitance and outstanding cycling durability of 90.9% after 50000 cycles at 10 A∙g–1. The symmetric supercapacitors assembled by the optimal electrodes exhibit an acceptable rate capability and a distinguished cycling stability in both aqueous and ionic liquid electrolytes. Accordingly, capacitance retention rates of 77.8% and 85.7% are achieved after 50000 cycles in aqueous alkaline electrolyte and 10000 cycles in ionic liquid electrolyte. Moreover, the symmetric supercapacitors deliver high energy/power densities of 49.8 W∙h∙kg–1/2477.8 W∙kg–1 in the Et4NBF4 electrolyte, outperforming the majority of previously reported porous carbon-based symmetric supercapacitors in ionic liquid electrolytes.

Keywords: self-activation     zinc organic salts     abundant mesopores     symmetric supercapacitor     liquid electrolyte    

Sustainability of metal recovery from E-waste

Biswajit Debnath, Ranjana Chowdhury, Sadhan Kumar Ghosh

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1044-9

Abstract:

Metal recovery techniques from electronic waste reported in literature

Metal recovery processes followed in Industries

Sustainability analysis of metal recovery processes

Keywords: E-waste     Metal recovery     Metal Recovery from E-waste (MREW)     Sustainability    

Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 842-853 doi: 10.1007/s11708-021-0743-2

Abstract: future nuclear carbon-free energy production is attributed to fast reactors, mostly employing a liquid metalcollaborative projects sponsored by the European Commission in the past 20 years in the fields of liquid-metal

Keywords: liquid metal     thermal hydraulics     Europe    

Optimizing iodine capture performance by metal–organic framework containing with bipyridine units

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 395-403 doi: 10.1007/s11705-022-2218-3

Abstract: The adsorptive capture of radioactive iodine by metal–organic frameworks (MOFs) has risen to prominence

Keywords: metal–organic framework     iodine     adsorption     nuclear waste     environmental remediation    

Selective capture and separation of xenon and krypton using metal organic frameworks: a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1895-1912 doi: 10.1007/s11705-023-2355-3

Abstract: Metal organic frameworks as hotspot porous materials for gases uptake and separation are considered toIn this review, we comprehensively summarized recent researches on metal organic frameworks for selectiveaspects of different optimal design strategies, including optimal pore/cage size and geometry, open metal

Keywords: metal organic frameworks     xenon     krypton     selective separation     used nuclear fuel    

Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 568-576 doi: 10.1007/s11708-021-0774-8

Abstract: mini-review introduces the recent work on visible-light-driven photocatalysts developed by substitution with metal

Keywords: visible light responsive photocatalyst     water splitting     artificial photosynthesis: metal ion substitution    

Title Author Date Type Operation

Metal salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Journal Article

Effects of two transition metal sulfate salts on secondary organic aerosol formation in toluene/NO

Biwu CHU, Jiming HAO, Junhua LI, Hideto TAKEKAWA, Kun WANG, Jingkun JIANG

Journal Article

A new regeneration approach to cation resins with aluminum salts: application of desalination by its

Zhigang LIU, Shaomin ZHU, Yansheng LI

Journal Article

Corrosion behavior of metallic alloys in molten chloride salts for thermal energy storage in concentrated

Wenjin Ding, Alexander Bonk, Thomas Bauer

Journal Article

Deep eutectic ionic liquids based on DABCO-derived quaternary ammonium salts: A promising reaction medium

Muhammad Faisal, Azeem Haider, Quret ul Aein, Aamer Saeed, Fayaz Ali Larik

Journal Article

Functionalized activated carbon for the adsorptive removal of perchlorate from water solutions

Rovshan MAHMUDOV, Chinglung CHEN, Chin-Pao HUANG

Journal Article

Advancement of metal(loid) research on farmland

Journal Article

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Journal Article

Effects of additive NaI on electrodeposition of Al coatings in AlCl

Tianyu Yao, Haiyan Yang, Kui Wang, Haiyan Jiang, Xiao-Bo Chen, Hezhou Liu, Qudong Wang, Wenjiang Ding

Journal Article

Hierarchical porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors with high energy density

Journal Article

Sustainability of metal recovery from E-waste

Biswajit Debnath, Ranjana Chowdhury, Sadhan Kumar Ghosh

Journal Article

Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Journal Article

Optimizing iodine capture performance by metal–organic framework containing with bipyridine units

Journal Article

Selective capture and separation of xenon and krypton using metal organic frameworks: a review

Journal Article

Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Journal Article