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Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: CoO-SnO hybrid oxides were prepared by the coprecipitation method and were used to oxidate methane (CH) in presence of oxygen. The CoO-SnO with a molar ratio of Co/(Co+Sn) at 0.75 exhibited the highest catalytic activity among all the CoO-SnO hybrid oxides. Experimental results showed that the catalysts were considerably stable in the CH combustion reaction, and were verified by X-ray photoelectron spectra (XPS). It was found that CoO was the active species, and SnO acted as a support or a promoting component in the CoO-SnO hybrid oxides. The surface area was not a major factor that affected catalytic activity. The hydrogen temperature-programmed reduction (H-TPR) results demonstrated that the interaction between cobalt and tin oxides accelerated the mobility of oxygen species of CoO-SnO, leading to higher catalytic activity.

Keywords： Co3O4-SnO2     complete oxidation     methane (CH4)    

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Integration of microbial reductive dehalogenation with persulfate activation and oxidation (Bio-RD-PAO) for complete attenuation of organohalides

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1457-8

Abstract:

•Bio-RD-PAO can effectively and extensively remove organohalides.

Keywords： Bio-RD-PAO     Microbial reductive dehalogenation     Persulfate     Organohalide respiration     Complete attenuation    

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“ALL FREE” — a novel design concept of applying partial oxidation process to vehicle

Ling LIN, Wenshuang LIN, Qingbiao LI, Yao ZHOU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 207-212 doi: 10.1007/s11705-009-0240-3

Abstract: problem in transportation, this paper proposes the “ALL FREE” concept that applies partial oxidationprocess instead of the conventional complete oxidation to vehicle engines.as a result, enable the process to be theoretically free of CO, while the heat output of the partial oxidationthermodynamic and kinetic data (e.g., the heat output and heat release rate) of five selected partial oxidationIt turned out that the partial oxidation of -butane to maleic anhydride has the most potential to meet

Keywords： oxidation process     CO     complete oxidation     ALL FREE     -butane    

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Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1555-2

Abstract:

• Comammox bacteria have unique physiological characteristics.

Keywords： Complete ammonia oxidizing (comammox) bacteria     Nitrogen cycle     Physiological characteristics     Wastewater    

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Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1712-2

Abstract:

● Both amorphous and crystalline silicon are completely separated from coal fly ash.

Keywords： Coal fly ash     Alkali fusion     Micro-/meso-porous Si     Zeolite MCM-48     Crystalline transformation    

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Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 472-475 doi: 10.1007/s11705-010-0525-6

Abstract: A new method, named the complete liquid-phase technology, has been applied to prepare catalysts for methanol

Keywords： methanol     slurry     ethanol     complete liquid-phase technology     CuZnAl catalyst    

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Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 450-454 doi: 10.1007/s11465-010-0105-y

Abstract: This paper theoretically and experimentally studies the existence of complete band gaps in two-dimensionalultrasonic immersion transmission technique, the overlapping transmission spectra of acoustic waves, a completeThere is a very good agreement between the experimental result and the range of frequencies of the complete

Keywords： phononic crystal     plane wave expansion (PWE) method     experimental study    

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Nanostructured gold films exhibiting almost complete absorption of light at visible wavelengths

Hanbin Zheng, Christine Picard, Serge Ravaine

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 247-251 doi: 10.1007/s11705-018-1710-2

Abstract: Nanostructured metal surfaces have been known to exhibit properties that deviate from that of the bulk material. By simply modifying the texture of a metal surface, various unique optical properties can be observed. In this paper, we present a simple two step electrochemical process combining electrodeposition and anodization to generate black gold surfaces. This process is simple, versatile and up-scalable for the production of large surfaces. The black gold films have remarkable optical behavior as they absorb more than 93% of incident light over the entire visible spectrum and also exhibit no specular reflectance. A careful analysis by scanning electron microscopy reveals that these unique optical properties are due to their randomly rough surface, as they consist in a forest of dendritic microstructures with a nanoscale roughness. This new type of black films can be fabricated to a large variety of substrates, turning them to super absorbers with potential applications in photovoltaic solar cells or highly sensitive detectors and so on.

Keywords： nanostructuration     light absorption     coating     gold     electrodeposition     anodization    

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Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0970-2

Abstract: Wet air oxidation (WAO) and catalytic wet air oxidation (CWAO) are efficient processes to degrade organic

Keywords： Wet air oxidation     Catalytic wet air oxidation     Phenolic compounds     Heterogeneous catalysts     Mechanism    

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β-Cyclodextrin promoted oxidation of primary amines to nitriles in water

Dongpo SHI, Hongbing JI, Zhong LI

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 196-200 doi: 10.1007/s11705-009-0051-6

Abstract: A facile, efficient and substrate-selective oxidation of the primary amines with NaClO as oxidant catalyzed

Keywords： substrate-selective     amines oxidation     β-cyclodextrin    

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Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1416-4

Abstract:

• Solvent-free chitosan oxidation is obtained by rapid mechanochemical

Keywords： Chitosan     High energy ball milling     Mechanochemistry     Oxidation    

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Research on key technology of thin seam plough complete equipment

Song Qiushuang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 33-38

Abstract: present situation of coal mining technology, proposes the technical matters of China's coal plow completeequipment system, gives some technical solutions through analyzing and researching on key technology of complete

Keywords： complete plant of plough     directional and quantitative pushing     heterogeneous geological     selfadaptation    

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A complete modeling and simulation of DFIG based wind turbine system using fuzzy logic control

Abdelhak DIDA,Djilani BENATTOUS

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 143-154 doi: 10.1007/s11708-016-0402-1

Abstract: The current paper talks about the variable speed wind turbine generation system (WTGS). So, the WTGS is equipped with a doubly-fed induction generator (DFIG) and two bidirectional converters in the rotor open circuit. A vector control (VC) of the rotor side converter (RSC) offers independent regulation of the stator active and reactive power and the optimal rotational speed tracking in the power maximization operating mode. A VC scheme for the grid-side converter (GSC) allows an independent regulation of the active and reactive power to exchange with the grid and sinusoidal supply currents and keeps the DC-link voltage constant. A fuzzy inference system (FIS) is adopted as an alternative of the conventional proportional and integral (PI) controller to reject some uncertainties or disturbance. The performances have been verified using the Matlab/Simulink software.

Keywords： wind turbine generation system (WTGS)     doubly-fed induction generator (DFIG)     maximum power point tracking (MPPT)     vector control (VC)     fuzzy logic controller (FLC)    

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Analysis on Methods of Forming the Ideas of Creating a Completely New Product

Shi Aifen,Xie Jianhua

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 89-93

Abstract:

Starting with the requirements of the society and consumers, this article focuses on the study of the flowchart and the technique of forming the ideas of creating a completely new product. Taking the analysis of the process of forming the idea of inventing a flying machine as an example, it explores the internal law of forming the ideas of creating a completely new product.

In the course of the study, the following steps are taken： Firstly, find the main characteristics of the product designed in mind. Secondly, look for the matter which possesses these characteristics according to the implicative nature of matter-element. Thirdly, compose these elements on the basis of their internal relations and a proper principle to get a system set of matter-element. Finally, adjust, perfect and evaluate it and get the set of ideas of creating a completely new product.

Keywords： the complete new product     the idea     matter-element     the implicative nature of matter-element    

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Plasma-assisted oxidation of benzoic acid

Anna Khlyustova, Nikolay Sirotkin

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 513-521 doi: 10.1007/s11705-019-1825-0

Abstract: Plasma-assisted oxidation of organic compounds is one of the developing technologies for wastewater treatmentOxidation of benzoic acid in aqueous solutions by the atmospheric pressure glow discharge and underwaterThe steps of the hydroxylation processes and further oxidation were described.

Keywords： atmospheric pressure glow discharge     underwater diaphragm discharge     oxidation     benzoic acid     hydroxyl radical    

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Title Author Date Type Operation

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Integration of microbial reductive dehalogenation with persulfate activation and oxidation (Bio-RD-PAO) for complete attenuation of organohalides

Journal Article

“ALL FREE” — a novel design concept of applying partial oxidation process to vehicle

Ling LIN, Wenshuang LIN, Qingbiao LI, Yao ZHOU,

Journal Article

Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Journal Article

Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Journal Article

Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Journal Article

Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Journal Article

Nanostructured gold films exhibiting almost complete absorption of light at visible wavelengths

Hanbin Zheng, Christine Picard, Serge Ravaine

Journal Article

Phenolic compounds removal by wet air oxidation based processes

Linbi Zhou, Hongbin Cao, Claude Descorme, Yongbing Xie

Journal Article

β-Cyclodextrin promoted oxidation of primary amines to nitriles in water

Dongpo SHI, Hongbing JI, Zhong LI

Journal Article

Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Journal Article

Research on key technology of thin seam plough complete equipment

Song Qiushuang

Journal Article

A complete modeling and simulation of DFIG based wind turbine system using fuzzy logic control

Abdelhak DIDA,Djilani BENATTOUS

Journal Article

Analysis on Methods of Forming the Ideas of Creating a Completely New Product

Shi Aifen,Xie Jianhua

Journal Article

Plasma-assisted oxidation of benzoic acid

Anna Khlyustova, Nikolay Sirotkin

Journal Article