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Thermal degradation kinetics and lifetime estimation for polycarbonate/polymethylphenylsilsesquioxane

Jiangbo WANG, Zhong XIN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 167-171 doi: 10.1007/s11705-009-0006-y

Abstract: The thermal degradation behaviors of polycarbonate/polymethylphenylsilsesquioxane (FRPC) composites wereThe isothermal kinetics equation was used to describe the thermal degradation process.The results showed that activation energy ( ), in the case of isothermal degradation, was a quick increasingdegradation and enhanced the thermal stability of PC during the early and middle stages of thermal degradationdegradation process between PC and FRPC.

Keywords: polycarbonate     polymethylphenylsilsesquioxane     thermal degradation kinetics     activation energy     lifetime    

Effect of typical boron compounds on the thermal degradation and combustion properties of Phyllostachys

Yang Shoulu,Wu Yiqiang,Qing Yan and Yao Chunhua

Strategic Study of CAE 2014, Volume 16, Issue 4,   Pages 51-55

Abstract:

The combustion and thermal degradation of moso bamboo (Phyllostachyshigh-temperature decomposition,and promoting the yield of residual char when moso bamboo subjected to thermalApplications of boric acid and borax have significant influence on protecting bamboo substrate from thermaldegradation and combustion.

Keywords: boric acid     borax     Phyllostachys Pubescens     thermal degradation     combustion properties    

Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1524-9

Abstract:

• New method of mineralizing PFCs was proposed.

Keywords: PFCs     Molten sodium hydroxide     Thermal degradation     Activated carbon regeneration    

Thermal decomposition of poly(ethylene terephthalate)/mesoporous molecular sieve composites

RUN Mingtao, ZHANG Dayu, WU Sizhu, WU Gang

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 50-54 doi: 10.1007/s11705-007-0010-z

Abstract: The nonisothermal and isothermal degradation processes of poly (ethylene terephthalate)/mesoporous molecularThe nonisothermal degradation of the composite is found to be the first-order reaction.Isothermal degradation results are confirmed with the nonisothermal process, in which PET/MMS showedhigher thermal stability than neat PET.

Keywords: polymerization     isothermal degradation     conversion     nonisothermal degradation     activation    

Thermal degradation characteristics and products obtained after pyrolysis of specific polymers found

Evangelia C. Vouvoudi, Aristea T. Rousi, Dimitris S. Achilias

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0996-5

Abstract: The aim of this study was to investigate the thermal degradation and the products obtained after pyrolysispolymers in the blend results in synergistic effects which decrease the onset and final temperature of degradation

Keywords: Pyrolysis     WEEE recycling     ABS     HIPS     PC     Py-GC/MS     TGA    

Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 781-792 doi: 10.1007/s11709-021-0733-9

Abstract: construction of lightweight cellular concrete (LCC), material damage frequently occurs, causing the degradation

Keywords: lightweight cellular concrete     construction-induced damage     freeze-thaw action     microstructure     degradation    

Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 288-303 doi: 10.1007/s11705-019-1875-3

Abstract: plastics representative of the residue from a material recovery facility (plasmix) was submitted to thermaltransform infrared spectroscopy were performed to evaluate the effects of the catalysts on the polymers’ degradationThe thermal and catalytic experiments were conducted at 370°C, 450°C and 650°C using a bench scale reactorThermogravimetry showed that HUSY significantly reduces the degradation temperature of all the polymers—particularlyHZSM5 had a significant effect on the degradation of polyethylene due to its smaller pore size.

Keywords: packaging plastics waste     plasmix     pyrolysis     zeolite catalyst     degradation temperature    

Efficient degradation of orange II by ZnMn

Qingzhuo Ni, Hao Cheng, Jianfeng Ma, Yong Kong, Sridhar Komarneni

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 956-966 doi: 10.1007/s11705-019-1907-z

Abstract: Its catalytic activity has been investigated for the degradation of orange II dye using three differentThe last system exhibits the maximum degradation efficiency of 90%, much higher than the photocatalysisFurthermore, the potential degradation mechanisms applicable to the three systems are discussed withactive species such as Mn(III), O , h , e , SO and HO are proposed to be responsible for the excellent degradation

Keywords: ZnMn2O4     photo-chemical catalysis     bisulfite     dye degradation    

Degradation of carbon tetrachloride in thermally activated persulfate system in the presence of formic

Minhui XU,Xiaogang GU,Shuguang LU,Zhouwei MIAO,Xueke ZANG,Xiaoliang WU,Zhaofu QIU,Qian SUI

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 438-446 doi: 10.1007/s11783-015-0798-6

Abstract: for the degradation of CT confirmed by radical scavenger tests.degradation rate.However, the initial solution pH had effect on the degradation of CT, and the best CT degradation occurredTen mmol·L promoted CT degradation, while 100 mmol·L inhibited the degradation of CT, but promotedCT degradation in the presence of FA.

Keywords: persulfate     carbon tetrachloride     thermal activation     formic acid     carbon dioxide radical anion    

Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 493-497 doi: 10.1007/s11783-007-0079-0

Abstract: Batch experiments were carried out to investigate the promotive effect of pyridine on indole degradation

Keywords: wastewater treatment     coal-coking wastewater     promotive     degradation    

anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient catalytic degradation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 893-905 doi: 10.1007/s11705-022-2290-8

Abstract: In the tap water system and simulated seawater system, the degradation time of p-nitrophenol atMoreover, the catalyst exhibited outstanding performance in the degradation experiment of four typical

Keywords: double-network hydrogel     dye degradation     silver nanoparticles     alginate    

Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1346-6

Abstract:

•Wood and its reassemblies are ideal substrates to develop novel photocatalysts.

Keywords: Wood     Nanocatalysts     Photodegradation     Organic contaminants     Composites    

bismuth oxyiodide with highly exposed (110) facets on curved carbon nitride for the photocatalytic degradation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1125-1138 doi: 10.1007/s11705-021-2116-0

Abstract: (110) facet and abundant oxygen vacancies were successfully designed to enhance the photocatalytic degradationOxytetracycline (OTC) and methyl blue dyes were used as targets for pollutant degradation, and 85.6%and 96.5% photocatalytic degradation efficiencies, respectively, were observed in the optimal proportionshowed that •O2 and h+ played a major role in the process of pollutant degradationchromatography-mass spectrography was used to identify the reaction intermediates of OTC, and the possible degradation

Keywords: high-exposure (110) facet     oxygen vacancy-rich     BiOI-110/DCN heterojunction     photocatalytic degradation    

UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1379-x

Abstract:

• UV-LED with shorter wavelength was beneficial for photocatalytic degradation

Keywords: Degradation     Photocatalytic     LED     CMIT     P25    

Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1701-5

Abstract:

● TiO2/ZSM-11 was prepared by a facile solid state dispersion method.

Keywords: Selective dye degradation     Photocatalysis     TiO2     ZSM-11     Chemisorption    

Title Author Date Type Operation

Thermal degradation kinetics and lifetime estimation for polycarbonate/polymethylphenylsilsesquioxane

Jiangbo WANG, Zhong XIN

Journal Article

Effect of typical boron compounds on the thermal degradation and combustion properties of Phyllostachys

Yang Shoulu,Wu Yiqiang,Qing Yan and Yao Chunhua

Journal Article

Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten

Journal Article

Thermal decomposition of poly(ethylene terephthalate)/mesoporous molecular sieve composites

RUN Mingtao, ZHANG Dayu, WU Sizhu, WU Gang

Journal Article

Thermal degradation characteristics and products obtained after pyrolysis of specific polymers found

Evangelia C. Vouvoudi, Aristea T. Rousi, Dimitris S. Achilias

Journal Article

Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Journal Article

Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Journal Article

Efficient degradation of orange II by ZnMn

Qingzhuo Ni, Hao Cheng, Jianfeng Ma, Yong Kong, Sridhar Komarneni

Journal Article

Degradation of carbon tetrachloride in thermally activated persulfate system in the presence of formic

Minhui XU,Xiaogang GU,Shuguang LU,Zhouwei MIAO,Xueke ZANG,Xiaoliang WU,Zhaofu QIU,Qian SUI

Journal Article

Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Journal Article

anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient catalytic degradation

Journal Article

Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

Journal Article

bismuth oxyiodide with highly exposed (110) facets on curved carbon nitride for the photocatalytic degradation

Journal Article

UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Journal Article

Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Journal Article