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Non-isothermal kinetics and characteristics of calcium carbide nitridation reaction with calcium-based

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 4, doi: 10.1007/s11705-024-2401-9

Abstract: The nitridation reaction of calcium carbide and N2 at high temperatures is the key step inThis study aimed to improve this process by investigating the non-isothermal kinetics and reaction characteristicsof calcium carbide nitridation reaction at different heating rates (10, 15, 20, and 30 °C·min−1The kinetic equation for the nitridation reaction of additive-free calcium carbide sample was obtainedThis study provides valuable information on the mechanism and kinetics of calcium carbide nitridation

Keywords: lime-nitrogen     calcium carbide     calcium-based additive     thermogravimetric analysis     non-isothermal kinetics    

Modeling the aqueous reaction kinetics of estriol with ferrate

Cong LI, Naiyun GAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 39-45 doi: 10.1007/s11705-009-0098-4

Abstract: In this study the aqueous oxidation kinetics of estriol (E3) by potassium ferrate (K FeO ), a chemicalwith the solution pH, it was found that a first order model was not suitable to describe the oxidation reactionThis paper describes a theoretical representation that closely models the reaction kinetics of E3 andFrom this modeling, the reaction rates of HFe and Fe with E3 have been determined.

Keywords: ferrate     estriol     endocrine disruptor     kinetics     oxidation    

Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 266-270 doi: 10.1007/s11705-007-0048-y

Abstract: A kinetic model of the pozzolanic reaction for the preparation of flue gas desulfurizers from fly ashand Ca(OH) was deduced on the basis of solid phase reaction kinetic theory.The apparent reaction rate constants of the pozzolanic reaction could be raised by increasing the specific

Keywords: comparison     calculated     pozzolanic reaction     precision     preparation    

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: The first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsof the nutrient balance for biochemical reaction in two main stages.The main parameters of the modified FKTSR model, including the LFG production potential (), the reactionrate constant in the first stage (), and the reaction rate constant in the second stage () of 64.746&

Keywords: landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

Kinetics of oxidation of dimethyl trisulfide by potassium permanganate in drinking water

Xiaoyan MA, Shifei HU, Hongyu WANG, Jun LI, Jing HUANG, Yun ZHANG, Weigang LU, Qingsong LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 171-176 doi: 10.1007/s11783-011-0319-1

Abstract: Reaction kinetics of dimethyl trisulfide oxidized by potassium permanganate in water had been studiedThe dimethyl trisulfide decomposition followed a second-order kinetics pattern with a rate constant

Keywords: odor and taste     oxidation reaction     reaction kinetics     water treatment    

Ozonation of the 5-fluorouracil anticancer drug and its prodrug capecitabine: Reaction kinetics, oxidation

Siyu Chen, Lee Blaney, Ping Chen, Shanshan Deng, Mamatha Hopanna, Yixiang Bao, Gang Yu

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1143-2

Abstract:

Reaction sites were confirmed by kinetics, Fukui

The olefin moiety was the main ozone reaction

Keywords: Ozone     5-fluorouracil     Capecitabine     Hydroxyl radicals     Chemotherapy agents     Toxicity    

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: The kinetics reaction rates and removal efficiencies of the THM compound mixtures, in the aqueous solutionsThe primary degradation reaction followed a pseudo-first-order kinetic law.characteristics of the THM compounds may become the most important parameters affecting the degradation kinetics

Keywords: reaction     first-order     dissociation     degradation reaction     aqueous    

Reaction kinetics and internal diffusion of Zhundong char gasification with CO

Yun Liu, Jiangyuan Qu, Xuehui Wu, Kai Zhang, Yuan Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 373-383 doi: 10.1007/s11705-020-1949-2

Abstract: The results revealed that the effect of internal diffusion on the initial reaction rate was more significantAs the reaction proceeded, the openings were gradually expanded and the specific surface area continuedHowever, with further reaction, disappearance of edge pores, melting and collapse of the pore structureThe intrinsic activation energy and reaction order based on the th-order model were 157.67 kJ∙mol andThus, temperature zones corresponding to chemical reaction and diffusion control were identified.

Keywords: coal char     CO2 gasification     internal diffusion     pore evolution    

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage sludge

Milan Malhotra, Anurag Garg

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1305-2

Abstract: . • TOC solubilization during hydrothermal treatment followed first-order kinetics. • Solids and carbonbalance confirmed loss of organics during thermal hydrolysis. • Reaction pathways for thermal hydrolysisThe reaction in acidic environment (pH= 3.3) suppressed the formation of the color imparting undesirableBased on sludge transformation products generated during the hydrothermal pretreatments, simplified reaction

Keywords: Hydrothermal pretreatment     Reaction kinetics     Reaction pathway     Sewage sludge     Thermal hydrolysis     Wet oxidation    

Reaction kinetics of CaC

Renxing Wang,Zhenyu Liu,Leiming Ji,Xiaojin Guo,Xi Lin,Junfei Wu,Qingya Liu

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 517-525 doi: 10.1007/s11705-016-1585-z

Abstract: A number of studies have reported the reaction kinetics of these reactions but they are still not wellunderstood and the proposed kinetic models are not comparable due to differences in the reaction conditionsThe reaction rates for the compressed feeds were lower than those for the powder feeds.The compression pressure had little influence on the reaction rate.The reaction kinetics of both the powder and the compressed feeds can be described by the contracting

Keywords: calcium carbide     kinetic model     activation energy     pre-exponential factor    

Biodegradation of trace pharmaceutical substances in wastewater by a membrane bioreactor

Longli BO, Taro URASE, Xiaochang WANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 236-240 doi: 10.1007/s11783-009-0004-9

Abstract: The reaction kinetics and affecting factors were also investigated in this paper.

Keywords: pharmaceuticals     membrane bioreactor     activated sludge     reaction kinetics    

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: . • Reductive reaction of Fe(II)/iron oxides in complex systems was examined. • Future research on examininganalytical challenges associated with complex environments, there has been a limited understanding of the reactionkinetics and mechanisms in actual environmental systems, and most of the studies so far have only focused

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

Kinetics of halogen-exchange fluorination of 2,6-dichlorobenzaldehyde

LIANG Zhengyong, LI Bindong, FENG Chao

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 59-62 doi: 10.1007/s11705-008-0008-1

Abstract: The kinetics was investigated and the reaction rate constants were obtained under the optimum conditionsThus a reliable kinetics data could be obtained for further research.

Keywords: reaction     solvent     transfer catalysis     activation     nitrobenzene    

Kinetics and mechanism of nitrobenzene degradation by hydroxyl radicals-based ozonation process enhanced

Weizhou Jiao, Shengjuan Shao, Peizhen Yang, Kechang Gao, Youzhi Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1197-1205 doi: 10.1007/s11705-020-1998-6

Abstract: oxidation of nitrobenzene (NB) by hydroxyl radicals (·OH) in a rotating packed bed (RPB) using competitive kinetics

Keywords: high gravity technology     hydroxyl radicals     nitrobenzene     reaction kinetics    

Numerical study of novel OME combustion mechanism and spray combustion at changed ambient environments

Frontiers in Energy doi: 10.1007/s11708-024-0926-8

Abstract: The spatial zones of high-temperature reaction activity were also affected by the adaption of the reactionkinetics.

Keywords: oxygenated fuels     reaction kinetics     oxidation mechanisms     computational fluid dynamics (CFD)     oxymethylene    

Title Author Date Type Operation

Non-isothermal kinetics and characteristics of calcium carbide nitridation reaction with calcium-based

Journal Article

Modeling the aqueous reaction kinetics of estriol with ferrate

Cong LI, Naiyun GAO

Journal Article

Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

Kinetics of oxidation of dimethyl trisulfide by potassium permanganate in drinking water

Xiaoyan MA, Shifei HU, Hongyu WANG, Jun LI, Jing HUANG, Yun ZHANG, Weigang LU, Qingsong LI

Journal Article

Ozonation of the 5-fluorouracil anticancer drug and its prodrug capecitabine: Reaction kinetics, oxidation

Siyu Chen, Lee Blaney, Ping Chen, Shanshan Deng, Mamatha Hopanna, Yixiang Bao, Gang Yu

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

Reaction kinetics and internal diffusion of Zhundong char gasification with CO

Yun Liu, Jiangyuan Qu, Xuehui Wu, Kai Zhang, Yuan Zhang

Journal Article

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage sludge

Milan Malhotra, Anurag Garg

Journal Article

Reaction kinetics of CaC

Renxing Wang,Zhenyu Liu,Leiming Ji,Xiaojin Guo,Xi Lin,Junfei Wu,Qingya Liu

Journal Article

Biodegradation of trace pharmaceutical substances in wastewater by a membrane bioreactor

Longli BO, Taro URASE, Xiaochang WANG

Journal Article

Redox reactions of iron and manganese oxides in complex systems

Jianzhi Huang, Huichun Zhang

Journal Article

Kinetics of halogen-exchange fluorination of 2,6-dichlorobenzaldehyde

LIANG Zhengyong, LI Bindong, FENG Chao

Journal Article

Kinetics and mechanism of nitrobenzene degradation by hydroxyl radicals-based ozonation process enhanced

Weizhou Jiao, Shengjuan Shao, Peizhen Yang, Kechang Gao, Youzhi Liu

Journal Article

Numerical study of novel OME combustion mechanism and spray combustion at changed ambient environments

Journal Article