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Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidativedesulfurization catalyst

Liyan LIU, Yu ZHANG, Wei TAN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 422-427 doi: 10.1007/s11705-013-1353-2

Abstract: These catalysts were then evaluated in terms of the removal of dibenzothiophene (DBT) by ultrasound-assistedoxidative desulfurization process.After supporting PTA on AC, the DBT conversion can be improved by 38.9% after ultrasound irradiationIn addition, the stability tests of PTA/AC showed that the catalytic oxidative activity of PTA/AC wasuse in ultrasound-assisted oxidative desulfurization process.

Keywords： phosphotungstic acid     activated carbon     ultrasound-assisted oxidative desulfurization    

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Ultrasound-assisted emulsification solidified floating organic drop microextraction for the determination

Qingyun CHANG, Jingwen ZHANG, Xin DU, Jingjun MA, Jingci LI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 187-195 doi: 10.1007/s11783-010-0030-7

Abstract: A simple and efficient liquid-phase microextraction (LPME) technique was developed using ultrasound-assisted

Keywords： ultrasound-assisted emulsification     solidified floating organic drop microextraction     flame atomic absorption    

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Catalytic oxidative desulfurization of gasoline using phosphotungstic acid supported on MWW zeolite

Hanlu Wang, Idris Jibrin, Xingye Zeng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 546-560 doi: 10.1007/s11705-019-1842-z

Abstract: Catalysts for the desulfurization of gasoline samples were synthesized via the immobilization of well-dispersedstraight-run-gasoline and fluid catalytic cracking gasoline were employed to accurately evaluate the desulfurizationOur research provides new insights into the development and application of catalysts for desulfurization

Keywords： oxidative desulfurization     phosphotungstic acid     MWW     wet impregnation     adsorption energy    

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Technologies for extracting lipids from oleaginous microorganisms for biodiesel production

Cunwen WANG, Lu CHEN, Bajpai RAKESH, Yuanhang QIN, Renliang LV

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 266-274 doi: 10.1007/s11708-012-0193-y

Abstract: Recently, biodiesel has received much more attention. Soybean oil, rapeseed oil, palm oil and corn oil are primary feedstock for biodiesel production. However, biodiesel production from these traditional oil-rich crops is limited by land availability, climate, and environmental and social issues regarding the use of feed and food crops for fuel. Oleaginous microorganisms, including microalgae, bacteria, yeast and fungi can be cultivated with high lipid contents and used as promising feedstock for biodiesel production. However, the high cost of biodiesel production using oil microorganisms has been the biggest obstacle for its industrialization. The process of biodiesel production from microorganisms involves many steps, of which the lipids extraction is the most important and costly. Therefore, searching for an effective and economical extraction system is critical. Various approaches of lipids extraction are discussed in this review, including traditional extraction procedures such as solvent extraction, pressing and solvent integrated extraction, as well as some new procedures.

Keywords： oleaginous microorganisms     biodiesel     solvent extraction     ultrasound-assisted extraction     microwave-assisted    

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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: sub>3O4–CeO2 composite oxide catalyst was successfully prepared through ultrasound-assisted

Keywords： 3O4–CeO2 composite oxides     cyclohexanone     cyclohexanol     ultrasonic-assisted    

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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: and subsequently oxidized to their corresponding sulfones, has proven to be one of the most effective desulfurizationnon-volatile and highly designable solvents, ionic liquids (ILs) have attracted considerable attention for the oxidativedesulfurization of fuels.

Keywords： oxidative desulfurization     ionic liquids     extraction     fuels     petroleum     polyoxometalates    

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Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic oxidativedesulfurization

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 276-287 doi: 10.1007/s11705-022-2242-3

Abstract: active metal NPs and thereafter their catalytic activities remain an affordable challenge in ultra-deep oxidativedesulfurization (ODS) field.

Keywords： oxidative desulfurization     boron nitride     vanadium     MXene     intercalation confinement    

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Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1735-1742 doi: 10.1007/s11705-022-2167-x

Abstract: using an aromatic nitrogen-containing heterocyclic and an amino acid, and applied to the extractive desulfurizationextraction conditions of the volume of ionic liquid to oil as 1:1 and temperature as room temperature, the desulfurization

Keywords： extractive desulfurization     nitrogen-containing heterocyclic ionic liquid     reduced density gradient analysis     desulfurization selectivity    

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New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 8-19 doi: 10.1007/s11705-014-1411-4

Abstract: Desulfurization of natural gas is achieved commercially by absorption with liquid amine solutions.

Keywords： desulfurization     natural gas desulfurization     hydrogen sulfide sorbent     amine-silica sorbent    

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Deep desulfurization of diesel fuels by catalytic oxidation

YU Guoxian, CHEN Hui, LU Shanxiang, ZHU Zhongnan

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 162-166 doi: 10.1007/s11705-007-0030-8

Abstract: activated carbon dosage, initial concentration of hydrogen peroxide and reaction temperature affect the oxidativeThe higher the initial concentration of DBT in the -octane solution, the more difficult the deep desulfurization

Keywords： organosulfur compound     performic     presence     activated     hydrogen peroxide    

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Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 637-650 doi: 10.1007/s11684-021-0864-3

Abstract: Oxidative stress plays an important role in the pathogenesis of aminoglycoside-induced hearing loss andDisruption of the Nrf2 axis abolished the effects of apigenin on the alleviation of oxidative stress

Keywords： apigenin     aminoglycosides     ototoxicity     oxidative stress     Nrf2 signaling pathway    

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Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1397-3

Abstract:

• Synthesis of NS-CNTS is used in a high desulfurization performance

Keywords： Dibenzothiophene (DBT)     Tertiary methyl mercaptan     Adsorption     Carbon nano tube (CNT)     Desulfurization    

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Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient oxidative

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2378-9

Abstract: In this study, we synthesize a catalyst comprising cobalt nanoparticles supported on MXene by pyrolyzing a composite in a N2 environment. Specifically, the composite comprises a bimetallic Zn/Co zeolitic imidazole framework grown in situ on the outer surface of MXene. The catalytic efficiency of the catalyst is tested for the self-coupling of 4-methoxybenzylamine to produce value-added imine, where atmospheric oxygen (1 atm) is used as the oxidant. Based on the results, the catalyst displayed impressive catalytic activity, achieving 95.4% yield of the desired imine at 383 K for 8 h. Furthermore, the catalyst showed recyclability and tolerance toward benzylamine substrates with various functional groups. The outstanding performance of the catalyst is primarily attributed to the synergetic catalytic effect between the cobalt nanoparticles and MXene support, while also benefiting from the three-dimensional porous structure. Additionally, a preliminary investigation of potential reaction mechanisms is conducted.

Keywords： MXene     sacrificial template     oxidative self-coupling     Co nanoparticles     imine    

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Activity and characteristics of “Oxygen-enriched” highly reactive absorbent for simultaneous flue gas desulfurization

Yi ZHAO,Tianxiang GUO,Zili ZANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 222-229 doi: 10.1007/s11783-014-0636-2

Abstract: reactive absorbent was prepared by mixing fly ash, lime and a small quantity of KMnO for simultaneous desulfurizationnitrite in the spent absorbents, the results showed that sulfate and nitrite were the main products for desulfurization

Keywords： ” highly reactive absorbent     Surface characteristics     Flue gas circulating fluidized bed     Simultaneous desulfurization    

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High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 294-302 doi: 10.1007/s11684-010-0092-8

Abstract: High-intensity focused ultrasound (HIFU) is a technique to destroy tissue at depth within the body, selectivelyDiagnostic ultrasound is the first imaging modality used for guiding HIFU ablation.In 1997, a patient with osteosarcoma was first successfully treated with ultrasound imaging-guided HIFUliver cancer, breast cancer, pancreatic cancer, bone tumors, and renal cancer have been treated with ultrasound

Keywords： high-intensity focused ultrasound (HIFU)     ultrasound imaging-guided HIFU (USgHIFU)     magnetic resonance    

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Title Author Date Type Operation

Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidativedesulfurization catalyst

Liyan LIU, Yu ZHANG, Wei TAN

Journal Article

Ultrasound-assisted emulsification solidified floating organic drop microextraction for the determination

Qingyun CHANG, Jingwen ZHANG, Xin DU, Jingjun MA, Jingci LI,

Journal Article

Catalytic oxidative desulfurization of gasoline using phosphotungstic acid supported on MWW zeolite

Hanlu Wang, Idris Jibrin, Xingye Zeng

Journal Article

Technologies for extracting lipids from oleaginous microorganisms for biodiesel production

Cunwen WANG, Lu CHEN, Bajpai RAKESH, Yuanhang QIN, Renliang LV

Journal Article

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

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

Hua Zhao,Gary A. Baker

Journal Article

Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic oxidativedesulfurization

Journal Article

Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Journal Article

New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Journal Article

Deep desulfurization of diesel fuels by catalytic oxidation

YU Guoxian, CHEN Hui, LU Shanxiang, ZHU Zhongnan

Journal Article

Apigenin alleviates neomycin-induced oxidative damage via the Nrf2 signaling pathway in cochlear hair

Journal Article

Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization

Journal Article

Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient oxidative

Journal Article

Activity and characteristics of “Oxygen-enriched” highly reactive absorbent for simultaneous flue gas desulfurization

Yi ZHAO,Tianxiang GUO,Zili ZANG

Journal Article

High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Journal Article