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Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1726-1734 doi: 10.1007/s11705-022-2188-5

Abstract: In this work, the kinetics of SrFeO3−δ–CaO∙MnO nanocomposite reduction by methane wasloss related to the partial oxidation is well fitted by the Avrami–Erofeyev equation with n = 3(A3 model) with an activation energy of 59.8 kJ∙mol‒1.rate law for the partial oxidation includes a solid conversion term whose expression is given by the A3

Keywords： chemical looping reforming     SrFeO3−δ/CaO·MnO nanocomposite     reduction kinetics     Avrami–Erofeyev    

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g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 217-225 doi: 10.1007/s11705-022-2214-7

Abstract: Herein, superior α-MnO2@g-C3N4 was successfully prepared forstable zinc-ion batteries (ZIBs) cathode by introducing g-C3N4 nanosheets.Compared with pure α-MnO2, α-MnO2@g-C3N4 hasEven at 1 A·g–1, the α-MnO2@g-C3N4 still retains 100The α-MnO2@g-C3N4-based cathode has the highest energy density

Keywords： α-MnO2 hollow nanorods     g-C3N4     heterojunction     aqueous Zn-ion    

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nanoparticle with 4-triethoxysilylaniline to enhance seawater desalination properties of thin-film nanocomposite

Jian Wang, Qun Wang, Xueli Gao, Xinxia Tian, Yangyang Wei, Zhen Cao, Chungang Guo, Huifeng Zhang, Zhun

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1185-5

Abstract: nanoparticles (MSN), with higher water permeability than NaA zeolite, were used to fabricate thin-film nanocomposite

Keywords： Thin film nanocomposite membrane     Reverse osmosis     Seawater desalination     Aminophenyl-functionalized mesoporous    

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Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 617-633 doi: 10.1007/s11705-022-2258-8

Abstract: MnOx and Sm–Mn catalysts were prepared with the coprecipitation method, and they showedactivities and sulfur resistances for the selective catalytic reduction of NOx by NH3<

Keywords： MnOx     Sm–Mn     catalyst     NH3-SCR     sulfur resistance    

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Events and reaction mechanisms during the synthesis of an Al

M. ABDELLAHI, M. ZAKERI, H. BAHMANPOUR

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 123-129 doi: 10.1007/s11705-013-1325-6

Abstract: An Al O -TiB nanocomposite was successfully synthesized by the high energy ball milling of Al, B OA nanocomposite powder with a mean crystallite size of 35–40 nm was obtained after milling for 15 h.

Keywords： ball milling     nanocomposite     Al2O3     TiB2    

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HAPE3D—a new constructive algorithm for the 3D irregular packing problem

Xiao LIU,Jia-min LIU,An-xi CAO,Zhuang-le YAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 380-390 doi: 10.1631/FITEE.1400421

Abstract: We propose a new constructive algorithm, called HAPE3D, which is a heuristic algorithm based on the principleHAPE3D can deal with arbitrarily shaped polyhedrons, which can be rotated around each coordinate axisThe most outstanding merit is that HAPE3D does not need to calculate no-fit polyhedron (NFP), which isa huge obstacle for the 3D packing problem.HAPE3D can also be hybridized with a meta-heuristic algorithm such as simulated annealing.

Keywords： 3D packing problem     Layout design     Simulation     Optimization     Constructive algorithm     Meta-heuristics    

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Construction of MOFs-based nanocomposite membranes for emerging organic contaminants abatement in water

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1689-x

Abstract:

● Application of the MOF-composite membranes in adsorption was discussed.

Keywords： Emerging organic contaminants     Metal organic frameworks     Synthesis     Adsorption     Catalysis    

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Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 365-371 doi: 10.1007/s11705-007-0066-9

Abstract: The crystalline -MnO and -MnO nanorods have been successfully prepared via a facile hydrothermal methodThe -MnO nanorods are prepared from the 100°C -MnOOH precursor, while the -MnO nanorods are obtainedBesides, the catalytic activity of the prepared -MnO and -MnO nanorods for the HO decomposition has been

Keywords： obtained     -MnOOH precursor     Besides     high-resolution transmission     precursor    

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Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 251-256 doi: 10.1007/s11783-007-0043-z

Abstract: To understand the water purification mechanism of potassium permanganate as a coagulation-aid during the preoxidation process, the microtopography of its reductive products, the newly formed hydrous manganese dioxide and the aged hydrous manganese dioxide, was investigated. The morphology of natural organic matter (NOM) adsorbed by the newly formed hydrous manganese dioxide was also compared with that of NOM alone. By using the tapping mode atomic force microscopy (AFM), the observation results show that the newly formed hydrous manganese dioxide possess a perforated sheet (with a thickness of 0 1.75 nm) as well as some spherical particle structures compared with the hydrous manganese dioxide with 2 h aging time, which demonstrated that the newly formed hydrous manganese dioxide had a large surface area and adsorption capacity. When 1 mmol/L newly formed hydrous manganese dioxide was added, the microtopography of NOM molecules shifted from a loosely dispersed pancake shape (with adsorption height of 5 8.5 nm) to a densely dispersed and uniform spherical structure. These results provide a valid proof that it is the perfect adsorption capability of the newly formed hydrous manganese dioxide that might result in the coagulation aid effect of potassium permanganate preoxidation.

Keywords： spherical     microtopography     potassium permanganate     uniform spherical     morphology    

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Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 447-457 doi: 10.1007/s11783-015-0808-8

Abstract: MnO microspheres with various surface structures were prepared using the hydrothermal method, and Au/MnO catalysts were synthesized using the sol-gel method.We obtained three MnO microspheres and Au/MnO samples: coherent solid spheres covered with wire-like, and γ-MnO shows high catalytic performance.The excellent redox properties are responsible for the catalytic ability of γ-MnO .

Keywords： MnO2 microspheres     Au/MnO2     formaldehyde oxidation     γ-MnO2    

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Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2376-y

Abstract: By combining the benefits of K2CO3 activation and KMnO4 hydrothermaltreatment, this work proposes a two-step activation method to load MnO2 charge transfer ontobiomass-derived carbon (KAC@MnO2).Comprehensive analysis reveals that KAC@MnO2 has a micro-mesoporous coexistence structure1, which is significantly higher than that of direct pyrolysis carbon and K2CO3<

Keywords： biomass-derived carbon     MnO2     lithium-ion batteries     anode material     high reversible capacity    

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Low-temperature selective catalytic reduction of NO with NH based on MnO-CeO/ACFN

SHEN Boxiong, LIU Ting, SHI Zhanliang, SHI Jianwei, YANG Tingting, ZHAO Ning

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 325-329 doi: 10.1007/s11705-008-0053-9

Abstract: MnO-CeO/ACFN were prepared by the impregnation method and used as catalyst for selective catalytic reductionincreased after the treatment with nitric acid, which was favorable to improve the catalytic activities of MnO-CeOconversion of NO is nearly 100% in the range 100°C–150°C under the optimal preparation conditions of MnO-CeO

Keywords： preparation     conversion     favorable     selective catalytic     MnO-CeO/ACFN    

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Improved local control without elective nodal radiotherapy in patients with unresectable NSCLC treated by 3D-CRT

YANG Kunyu, LIU Li, ZHANG Tao, WU Gang, CAO Fengjun, WANG Jianhua

Frontiers of Medicine 2007, Volume 1, Issue 4,   Pages 381-385 doi: 10.1007/s11684-007-0074-7

Abstract: To investigate the influence of prophylactic elective nodal irradiation on the therapeutic results of definitive radiotherapy for patients with stage IIIA or stage IIIB unresectable non-small-cell lung cancer, 55 patients with clinically inoperable advanced non-small-cell lung cancer were studied. After four cycles of induction chemotherapy, the patients were divided into two groups at random. In one group, the elective nodal irradiation was included in clinical tumor volume (CTV) of definitive radiotherapy (ENI group); and in the other group, elective nodal irradiation was not included in CTV (non-ENI group). For the patients in the ENI group, the mean prescription dose for gross tumor volumes was 58.4 Gy, while for the patients in the non-ENI group, it was 65.8 Gy (<0.05). The responsive rates were 45.8% and 74.0% (<0.05), and the rate of the elective nodal failure (ENF) was 4.2% and 11.1%, respectively. Kaplan-Meier analysis showed that the mean local-progression-free survival time was 11.0 and 15.0 months, and one-year local-failure rates were 51.9% and 24.5% (<0.05). The median overall survival time was 13.0 and 15.0 months, respectively ( = 0.084). The one-year survival rates were 55.7% and 72.5%, and two-year survival rates were 0% and 19.9%. There was no significant difference in the occurrences of radiation-associated complications between the two groups. Our results showed that omitting elective nodal irradiation did not result in a high incidence of elective nodal failure. On the contrary, it decreased local failure by increasing prescription doses to the primary diseases and lymphadenopaphy, and thereby it may further prolong the patients survival.

Keywords： significant difference     irradiation     unresectable non-small-cell     induction chemotherapy     influence    

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Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1704-2

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Nanocomposite materials in orthopedic applications

Mostafa R. Shirdar, Nasim Farajpour, Reza Shahbazian-Yassar, Tolou Shokuhfar

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 1-13 doi: 10.1007/s11705-018-1764-1

Abstract:

This chapter is an introduction to nanocomposite materials and its classifications with emphasis onIn addition, it presents structure, composition, and biomechanical features of bone as a natural nanocomposite

Keywords： nanocomposite materials     orthopedic applications     bone grafting nanocomposites     nanocomposites classification    

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Title Author Date Type Operation

Reduction kinetics of SrFeO/CaO∙MnO nanocomposite as effective oxygen carrier for chemical looping partial

Journal Article

g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Journal Article

nanoparticle with 4-triethoxysilylaniline to enhance seawater desalination properties of thin-film nanocomposite

Jian Wang, Qun Wang, Xueli Gao, Xinxia Tian, Yangyang Wei, Zhen Cao, Chungang Guo, Huifeng Zhang, Zhun

Journal Article

Denitrification performance and sulfur resistance mechanism of Sm–Mn catalyst for low temperature NH-SCR

Journal Article

Events and reaction mechanisms during the synthesis of an Al

M. ABDELLAHI, M. ZAKERI, H. BAHMANPOUR

Journal Article

HAPE3D—a new constructive algorithm for the 3D irregular packing problem

Xiao LIU,Jia-min LIU,An-xi CAO,Zhuang-le YAO

Journal Article

Construction of MOFs-based nanocomposite membranes for emerging organic contaminants abatement in water

Journal Article

Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Journal Article

Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Journal Article

Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Journal Article

Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Journal Article

Low-temperature selective catalytic reduction of NO with NH based on MnO-CeO/ACFN

SHEN Boxiong, LIU Ting, SHI Zhanliang, SHI Jianwei, YANG Tingting, ZHAO Ning

Journal Article

Improved local control without elective nodal radiotherapy in patients with unresectable NSCLC treated by 3D-CRT

YANG Kunyu, LIU Li, ZHANG Tao, WU Gang, CAO Fengjun, WANG Jianhua

Journal Article

Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Journal Article

Nanocomposite materials in orthopedic applications

Mostafa R. Shirdar, Nasim Farajpour, Reza Shahbazian-Yassar, Tolou Shokuhfar

Journal Article