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Core designing of a new type of TVS-2M FAs: neutronics and thermal-hydraulics design basis limits

Saeed GHAEMI, Farshad FAGHIHI

Frontiers in Energy 2021, Volume 15, Issue 1, Pages 256-278 doi: 10.1007/s11708-018-0583-x

Abstract: The TVS-2M FA contains gadolinium-oxide which is mixed with UO (for different Gd densities and U-235

Keywords： TVS-2M FAs core design basis limits VVER-1000 analysis mixture of uranium-gadolinium oxides fuels thermal-hydraulics

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Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1707-z

Abstract:

● EPS immobilizes U(VI) via adsorption, bioreduction and desorption.

Keywords： Adsorption Bioreduction Desorption Kinetics Isotherm Uranium

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Review on design, preparation and performance characterization of gelled fuels for advanced propulsion

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6, Pages 819-837 doi: 10.1007/s11705-021-2122-2

Abstract: With the increasing demand for high-performance and safe fuels in aerospace propulsion systems, gelledfuels have attracted increasing attention.Because of their unique structure, gelled fuels exhibit the advantages of both solid and liquid fuelsThis review provides an overview on design, preparation and performance characterization of gelled fuelsFinally, research directions for the development and application of gelled fuels are suggested.

Keywords： gelled fuels high-energy-density fuels rheological properties atomization combustion

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Linking renewables and fossil fuels with carbon capture via energy storage for a sustainable energy future

Dawid P. Hanak, Vasilije Manovic

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3, Pages 453-459 doi: 10.1007/s11705-019-1892-2

Abstract: Renewable energy sources and low-carbon power generation systems with carbon capture and storage (CCS) are expected to be key contributors towards the decarbonisation of the energy sector and to ensure sustainable energy supply in the future. However, the variable nature of wind and solar power generation systems may affect the operation of the electricity system grid. Deployment of energy storage is expected to increase grid stability and renewable energy utilisation. The power sector of the future, therefore, needs to seek a synergy between renewable energy sources and low-carbon fossil fuel power generation. This can be achieved via wide deployment of CCS linked with energy storage. Interestingly, recent progress in both the CCS and energy storage fields reveals that technologies such as calcium looping are technically viable and promising options in both cases. Novel integrated systems can be achieved by integrating these applications into CCS with inherent energy storage capacity, as well as linking other CCS technologies with renewable energy sources via energy storage technologies, which will maximise the profit from electricity production, mitigate efficiency and economic penalties related to CCS, and improve renewable energy utilisation.

Keywords： carbon capture energy storage renewable energy sources decarbonisation fossil fuels

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Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1649-1676 doi: 10.1007/s11705-023-2324-x

Abstract: Next, the characteristics and catalytic performance of perovskite oxides as catalysts for VOC removalThe challenges and the prospects regarding the design of perovskite oxides catalysts for the catalytic

Keywords： perovskite oxides volatile organic compounds catalytic combustion reaction mechanism

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Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction

Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4, Pages 790-797 doi: 10.1007/s11705-018-1706-y

Abstract: A noble-metal-free catalyst based on both Mn O and MnO was prepared by using the dielectric barrier discharge technique at moderate temperature. The prepared catalyst shows a higher electrocatalytic activity towards the oxygen reduction reaction than the catalyst prepared by using the traditional calcination process. The enhanced activity could be due to the coexistence of manganese ions with different valences, the higher oxygen adsorption capacity, and the suppressed aggregation of the catalyst nanoparticles at moderate temperature. The present work would open a new way to prepare low-cost and noble-metal-free catalysts at moderate temperature for more efficient electrocatalysis.

Keywords： oxygen reduction reaction manganese oxides mixed valences of manganese oxygen adsorption dielectric barrier

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Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1255-8

Abstract: • Mechanisms of redox reactions of Fe- and Mn-oxides were discussed. • Oxidative reactions of Mn- andFe-oxides in complex systems were reviewed. • Reductive reaction of Fe(II)/iron oxides in complex systemsConspectus Redox reactions of Fe- and Mn-oxides play important roles in the fate and transformationreductive reactivity of Fe(II)/iron oxides in complex model systems toward contaminant degradation.such as Al, Si and Ti oxides on the redox reactivity of the systems are briefly summarized.

Keywords： Iron oxides manganese oxides reduction oxidation complex systems reaction kinetics and mechanisms

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Research progress of adsorptive technology in processing wastewater with low concentration of uranium

Gao Junkai,Gu Ping,Zhang Guanghui,Gao Xin,Hou Li´an

Strategic Study of CAE 2014, Volume 16, Issue 7, Pages 73-78

Abstract:

In this paper some characteristics of uranium in aqueous solution andprogress in recent years on adsorption technologies in treatment wastewater with low concentration of uranium

Keywords： radioactive wastewater uranium adsorption zero-valent Iron

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The role of manganese oxides in the activation of peroxymonosulfate (PMS)

Jianzhi Huang, Huichun Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1158-8

Abstract: Manganese oxides (MnOx) have been demonstrated to be effective materials to activate Oxone (i.e., PMS

Keywords： Peroxymonosulfate Manganese oxides Catalyst Oxidant

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A study on quality evaluation for bituminous mixture using X-ray CT

Satoshi TANIGUCHI, Keiichiro OGAWA, Jun OTANI, Itaru NISHIZAKI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2, Pages 89-101 doi: 10.1007/s11709-013-0197-7

Abstract: The objective of this paper is to propose a new quality evaluation method for asphalt concrete mixtureIn the mixture examination, histograms of CT-value and four segmentation images made from CT images expressedthe material and mixture characterization such as particle size and the difference in bitumen contentand mixture type visibly and the bitumen content varies with the threshold values.

Keywords： asphalt concrete mixture aggregate bitumen bitumen content quality evaluation X-ray CT

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Situation and Development Prospect of Uranium Resources Exploration in China

Zhang Jindai,Li Youliang,Jian Xiaofei

Strategic Study of CAE 2008, Volume 10, Issue 1, Pages 54-60

Abstract:

History of uranium exploration and the general situation of identifieduranium resources in China are introduced briefly in the paper, the feature of uranium resources isIn accordance with the fact that the exploration level of uranium resources is quite low in China, itnatural uranium from nuclear power sector.According to the exploration ability and uranium resources potential in China, it is believed that uranium

Keywords： uranium resources exploration potentiality prospect

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Oxidative desulfurization of fuels using ionic liquids: A review? ?

Hua Zhao,Gary A. Baker

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3, Pages 262-279 doi: 10.1007/s11705-015-1528-0

Abstract: proven to be one of the most effective desulfurization methods for producing ultra-low sulfur content fuelssolvents, ionic liquids (ILs) have attracted considerable attention for the oxidative desulfurization of fuels

Keywords： oxidative desulfurization ionic liquids extraction fuels petroleum polyoxometalates

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Catalytic cracking of endothermic fuels in coated tube reactor

LI Jia, ZOU Jijun, ZHANG Xiangwen, GUO Wei, MI Zhentao

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2, Pages 181-185 doi: 10.1007/s11705-008-0032-1

Abstract: In the coated reactor, cracking of endothermic fuels including -dodecane and aviation fuel RP-3 was carried

Keywords： HZSM-5 self-made ceramic-like gas-aided Conversion Suspensoid

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Oxidative leaching kinetics of molybdenum-uranium ore in H

T. A. Lasheen, M. E. El-Ahmady, H. B. Hassib, A. S. Helal

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1, Pages 95-102 doi: 10.1007/s11705-013-1317-6

Abstract: The processing of molybdenum-uranium ore in a sulfuric acid solution using hydrogen peroxide as an oxidantUnder these experimental conditions, the extraction efficiency of molybdenum was about 98.4%, and the uranium

Keywords： leaching of molybdenum leaching of uranium kinetics

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Review on research and application of mesoporous transitional metal oxides in water treatment

Minghao SUI, Lei SHE

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6, Pages 795-802 doi: 10.1007/s11783-013-0521-4

Abstract: This paper reviews the application of mesoporous transitional metal oxides in water treatment on basisMesoporous transitional metal oxides are characterized by their intrinsic features, such as a high surface

Keywords： mesoporous materials transitional metal oxides catalysis adsorption water treatment