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Enhancing the adsorption function of biochar by mechanochemical graphitization for organic pollutant removal

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1418-2

Abstract:

• Mechanochemical treatment reduced the calcination temperature for

Keywords： Biochar     Mechanochemical treatment     Graphitization     Calcination temperature     Organic pollutant    

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Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 497-504 doi: 10.1007/s11783-011-0256-z

Abstract: ., chloroauric acid concentration, solution temperature, pH of solution, and calcinations temperatureinitial chloroauric acid solution concentration of 1.5 × 10 mol·L gold solution pH of 6, solution temperatureof around 90°C, and a calcination temperature of 300°C provides optimum catalytic activity for CO oxidation

Keywords： 13X-type zeolite     CO oxidation     gold solution     pH     calcination temperature    

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Preparation of ultrafine α-AlO using precipitation-azeotropic distillation method

XIAO Jin, QIN Qi, ZHOU Feng, CHEN Yanbin, WAN Ye

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 226-231 doi: 10.1007/s11465-008-0029-y

Abstract: The phase transformation of alumina during the calcination process can be described as amorphous AlOThe crystal grain size and density of ultrafine alumina powder increase with the increase of the calcinationtemperature.

Keywords： calcination temperature     spherical     AACH     carbonate hydroxide     ammonium carbonate    

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WO3 nanomaterials synthesized via a sol-gel method and calcination for use as a CO gas sensor

Diah SUSANTI,A.A. Gede Pradnyana DIPUTRA,Lucky TANANTA,Hariyati PURWANINGSIH,George Endri KUSUMA,Chenhao WANG,Shaoju SHIH,Yingsheng HUANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 179-187 doi: 10.1007/s11705-014-1431-0

Abstract: Carbon monoxide is a poisonous and hazardous gas and sensitive sensor devices are needed to prevent humans from being poisoned by this gas. A CO gas sensor has been prepared from WO synthesized by a sol-gel method. The sensor chip was prepared by a spin-coating technique which deposited a thin film of WO on an alumina substrate. The chip samples were then calcined at 300, 400, 500 or 600 °C for 1 h. The sensitivities of the different sensor chips for CO gas were determined by comparing the changes in electrical resistance in the absence and presence of 50 ppm of CO gas at 200 °C. The WO calcined at 500 °C had the highest sensitivity. The sensitivity of this sensor was also measured at CO concentrations of 100 ppm and 200 ppm and at operating temperatures of 30 and 100 °C. Thermogravimetric analysis of the WO calcined at 500 °C indicated that this sample had the highest gas adsorption capacity. This preliminary research has shown that WO can serve as a CO gas sensor and that is should be further explored and developed.

Keywords： WO3 nanomaterial     sol-gel     calcinations     CO gas sensor     sensitivity    

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Pd-Fe/α-Al

Shengping WANG, Xin ZHANG, Yujun ZHAO, Yadong GE, Jing LV, Baowei WANG, Xinbin MA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 259-269 doi: 10.1007/s11705-012-1212-6

Abstract: Cordierite monoliths coated with Pd-Fe/α-Al O catalysts were prepared at various calcination temperaturesand characterized by thermogravimetry, temperature-programmed reduction, transmission electron microscopyMonolithic catalysts with calcination temperatures ranging from 473 K to 673 K exhibited excellent dispersion

Keywords： dimethyl oxalate     coupling     Pd     cordierite     monolith     calcination     structure    

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A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 452-456 doi: 10.1007/s11705-010-0522-9

Abstract: A series of Pd/γ-Al O hybrid catalysts were prepared by impregnation and subsequent calcination underThe results show that calcination under microwave irradiation improved both the activity and selectivityBased on various characterizations such as nitrogen physisorption, X-ray diffraction, CO-temperature-programmed

Keywords： Pd/γ-Al2O3     direct synthesis     dimethyl ether     calcination under microwave irradiation    

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Emerging challenges to structural integrity technology for high-temperature applications

TU Shantung

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 375-387 doi: 10.1007/s11465-007-0066-y

Abstract: The modern needs of structural integrity technology are largely attributed to the increase of service temperatureBesides the needs arising from large-scale high-temperature plants, the high tech developments, suchin large process plants and the aviation industry, micro chemo-mechanical systems, fuel cells, high-temperatureThe state-of-the-art of structural integrity technology for high temperature applications is reviewed

Keywords： manufacture     aviation industry     conversion     petrochemical     temperature    

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Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 8-14 doi: 10.1007/s11783-008-0030-z

Abstract: Temperature is the determining factor of pyrolysis, which is one of the alternative technologies forThe effects of final operating temperature ranging from 350 to 550°C on pyrolysis products of oil sludgeWith an increase of temperature, the mass fraction of solid residues, liquids, and gases in the finalfrom solid to liquid and gas phase (especially to liquid phase) during the process, and the optimum temperature

Keywords： sludge treatment     corresponding     Temperature     liquid     process    

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Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 276-285 doi: 10.1007/s11705-008-0057-5

Abstract: (UCST) or lower critical solution temperature (LCST) were studied with emphasis on the temperature dependencyof the phase separation time and its potential application in the cure time-temperature processing windowWe found that the phase separation time/temperature relationship follows the simple Arrhenius equationWith the established phase separation time-temperature dependence relation, we can easily establish thewhole cure time-temperature transformation (TTT) diagram with morphology information which is a useful

Keywords： separation time-temperature     temperature dependency     cure-induced     separation activation     temperature    

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Elevated temperature creep model of parallel wire strands

Frontiers of Structural and Civil Engineering   Pages 1060-1071 doi: 10.1007/s11709-023-0981-y

Abstract: existing approach to analyze their creep behavior, this study experimentally investigated the elevated temperaturecamera system was incorporated to accurately obtain the deformation of the specimen during the elevated temperatureIt was concluded that the temperature level had a more significant effect on the creep strain than theBy comparing the elevated temperature creep test results for PWSs and steel strands, it was found thatthe creep strain of PWSs was lower than that of steel strands at the same temperature and stress levels

Keywords： parallel wire strands     experimental study     elevated temperature creep model    

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: A field test was conducted to investigate the distribution of temperature field and the variation ofThe change of hydration heat temperature consists of four periods: temperature rising period, constanttemperature period, rapid temperature fall period and slow temperature fall period.The peak value of hydration heat temperature increases with the increasing casting temperature of concreteAccording to field tests, the thermal stress incurred by hydration heat may induce temperature cracks

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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A review of low-temperature plasma-assisted machining: from mechanism to application

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0734-y

Abstract: Low-temperature plasma contains a variety of active particles and can effectively adjust material propertiesAfter introducing the characteristics, classifications, and action mechanisms of the low-temperatureplasma, we describe the effects of the low-temperature plasma on different machining processes of variousThe low-temperature plasma can be classified as hot plasma and cold plasma according to the differentFinally, the promising development trends of low-temperature plasma-assisted machining are presented,

Keywords： low-temperature plasma     difficult-to-cut material     machinability     hydrophilization effect     Rehbinder    

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Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: Here, a real-time tool condition monitoring method integrated in an in situ fiber optic temperatureintermittent cutting experiment is carried out, verifying that the apparatus can capture the rapid but slight temperature

Keywords： tool condition monitoring     cutting temperature     neural network     learning rate adaption    

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Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 127-132 doi: 10.1007/s11705-009-0231-4

Abstract: In this paper, the effect of testing temperature on the performance of fixed carrier membrane for COThe effect of testing temperature on membrane separation performance was investigated.The results showed that both the permeances of CO and CH decreased with the increase of temperature,of 0.11MPa, the CO/ CH selectivity of PEI-PVA/PS blend composite membrane reduced along with temperaturepressure of 0.21MPa, as well as 1.11MPa, the selectivity decreased with the increase of temperature

Keywords： temperature increment     high pressure     permselectivity     separation performance     temperature    

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Investigation on the performance and detoxification of modified low temperature coal tar pitch

Fengyan SUN, Yu LIU

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 315-321 doi: 10.1007/s11709-017-0386-x

Abstract: In this paper, studies on the modification on the low temperature coal tar pitch extracted from coalFirst, the low temperature coal tar pitch in liquid state is solidified with a higher softening pointThe detoxification mechanism is also studied, which further promote the applicability of modified low temperature

Keywords： coal tar pitch     low temperature     modification     detoxification    

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Title Author Date Type Operation

Enhancing the adsorption function of biochar by mechanochemical graphitization for organic pollutant removal

Journal Article

Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Journal Article

Preparation of ultrafine α-AlO using precipitation-azeotropic distillation method

XIAO Jin, QIN Qi, ZHOU Feng, CHEN Yanbin, WAN Ye

Journal Article

WO3 nanomaterials synthesized via a sol-gel method and calcination for use as a CO gas sensor

Diah SUSANTI,A.A. Gede Pradnyana DIPUTRA,Lucky TANANTA,Hariyati PURWANINGSIH,George Endri KUSUMA,Chenhao WANG,Shaoju SHIH,Yingsheng HUANG

Journal Article

Pd-Fe/α-Al

Shengping WANG, Xin ZHANG, Yujun ZHAO, Yadong GE, Jing LV, Baowei WANG, Xinbin MA

Journal Article

A study on the catalytic performance of Pd/γ-Al

Ruizhi CHU, Xianyong WEI, Zhimin ZONG, Wenjia ZHAO

Journal Article

Emerging challenges to structural integrity technology for high-temperature applications

TU Shantung

Journal Article

Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Journal Article

Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Journal Article

Elevated temperature creep model of parallel wire strands

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

A review of low-temperature plasma-assisted machining: from mechanism to application

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Journal Article

Investigation on the performance and detoxification of modified low temperature coal tar pitch

Fengyan SUN, Yu LIU

Journal Article