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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N

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Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2018,49(02)

Recovery of o-cresol from Dilute Aqueous Solution Using PEBA Pervaporation Membrane

In this paper, PEBA2533 membrane was applied to separate the o-cresol from dilute aqueous solution by pervaporation, and the high-purity o-cresol crystal was recovered by pervaporation-fractional condensation process.The surface and cross-section morphology of PEBA2533 membrane were characterized by scanning electron microscopy.The adsorption performance of PEBA2533 membrane toward o-cresol was investigated by the degree of swelling.The separation performance of PEBA2533 membrane for o-cresol was...

Taiyuan University of technology 2018,49(02): LI Chuncheng, LIU Changlin, HAO Xiaogang. ;

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Simulation and Energy Analysis of PVFC Process for Recovering Furfual with High Purity

Pervaporation-fractional condensation (PVFC) is a new type of coupling process developed for high purity recovery of high boiling organic compounds in low concentration aqueous solutions.On the basis of experimental data, the thermodynamic processes of PVFC and traditional extractive distillation were analyzed by the model of non-random two liquid (NRTL) within the Aspen Plus software, with the emphasis on the influence of operating temperature on the product quality and yield, as well as the ene...

Taiyuan University of technology 2018,49(02): WANG Yinan, YANG Jingxuan, LI Chuncheng, DING Chuan, HAO Xiaogang, LI Juying, WANG Feng. ;

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Fabrication of Special Wetting Nickel Mesh for Oil/Water Separation

A fluff-like Co2 (OH) 2 CO3 (CoOC) was fabricated on the nickel mesh surface by hydrothermal method.The contact angle of surface water was 0and the oil contact angle underwater was 158.1, which could exhibit hydrophilic/underwater superoleophobic property.And then CoOC was modified by hexadecyltrimethoxysilane (HDTMS) to reduce its surface free energy and obtain superhydrophobic property (water contact angle is 157.2) .A device of continuous oil/water separator was designed.The two kinds of nicke...

Taiyuan University of technology 2018,49(02): SI Lianxi, KONG Wei, WU Zhijun, ZHANG Zhonglin, WANG Zhongde. ;

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Preparation of Activated Semi-coke Supported γ-MoNxCy and Its Catalytic Performance for Methanation

Activated semi-coke supported molybdenum carbides were prepared by pyrolyzing the mixture of HLH de-ashed lignite and the complex of hexamethylentetramine (HMT) and ammonium molybdate (AHM) with different preparation methods.The effects of preparation method on methanation were evaluated.The results show that preparation method heavily influenced the crystal structure, morphology and catalytic activity of the catalysts, the conversion of CO (XCO) and the selectivity of CH4 (SCH4) were the best on...

Taiyuan University of technology 2018,49(02): ZHANG Rong, FAN Hanhan, WANG Juan, HUO Xiaodong, FANG Yitian. ;

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Synthesis of Hierarchical EU-1 Zeolite Using Carbon Templating with Vapor Phase Assisting Method

The synthetic gel was prepared by mixing sucrose, silicon and aluminum, and then partially carbonized at 170 ℃ in air (MI) or carbonized at 400 ℃ in oxygen-free environment (MII) to obtain carbon-silicon-aluminum compound.The vapor phase method was adopted to synthesize hierarchical EU-1 zeolite.The research results showed that MI and MII can effectively improve the surface area and the pore volume of mesopores.When the m (sucrose) /m (SiO2) was a fixed value, the mesoporous capacity of MII was...

Taiyuan University of technology 2018,49(02): GAO Meng, LIU Xiaozhen, GAO Lixia, LI Guodong, LYU Zhiping, DOU Tao. ;

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Effects of Different Preparation Methods of AlOOH on the Catalytic Performance of Layered Composite

In this paper, AlOOH samples were prepared by precipitation method, sol-gel hydrothermal method and hydrothermal method separately.These samples were characterized by XRD, BET, FT-IR, NH3-TPD-MS and CO2-TPD-MS.At the same time, the catalytic performance of AlOOH and C302 composite catalysts, loaded by layers in a fixed bed reactor, was evaluated in CO hydrogenation reaction.Evaluation results show that the different preparation methods of AlOOH dramatically affected the product distribution of th...

Taiyuan University of technology 2018,49(02): HAN Yanmei, HAO Shuhong, GAO Zhihua, HUANG Wei. ;

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DFT Investigation on the Formation of Initial Olefins Catalyzed by Ga-ZSM-5

DFT-GGA was applied to study the mechanisms of the formation of the first C—C bond and the initial olefins over Ga-ZSM-5 in the MTO process.We determined the stable configurations of reactants, intermediates, and products as well as the corresponding activation barriers and reaction energy of the numerous reactions involved in such a process.Here, two different kinds of mechanisms were proposed for the formation of dimethyl ether, one involving an associative interaction and another occurring vi...

Taiyuan University of technology 2018,49(02): LI Qiang, REN Ruipeng. ;

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Catalytic Dehydrogenation Performance of Au-Ag Double Metals Supported on Al2O3 in Tail Chlorine at

Supported catalysts Au-Ag/Al2O3 were made by anion impregnation method and incipient-wetness impregnation method.The catalytic dehydrogenate performance of the catalysts in tail chlorine was measured by a fixed bed reactor at low temperature.The experiment exploited the influence of calcination temperature, reduction temperature and reaction temperature on the performance of catalytic dehydrogenation of tail chlorine.The results show that the hydrogen conversion was 94.58% and selectivity of hydr...

Taiyuan University of technology 2018,49(02): LU Tingting, LIU Xi, LI Yuna, WANG Hanhan, LI Fuxiang, XUE Jianwei, LYU Zhiping. ;

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College of Physics and Optoelectronics, Taiyuan University of Technology

Titanium carbide (TiC) films were prepared by electrophoretic deposition process on Ti substrate in an aqueous suspension of nanosized TiC powder, and then carbide-doped titanium dioxide (C-TiO2) films were fabricated by heating the TiC films at 550750℃for 3 hin air.Ag nanoparticles were deposited on the surface of C-TiO2 film in different concentration of AgNO3 solution by photo-reduction deposition.XRD results show that in the range of 550650 ℃thermal oxidation temperature, C-TiO2 films consi...

Taiyuan University of technology 2018,49(02): LUO Quanwei, LI Xiuyan, REN Chao, LIU Ruiping, CAO Ling, FAN Mingming. ;

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Synthesis and Photoluminescence Properties of Single-Phased White-Light-Emitting Ca3Y (PO4) 3:Eu2+/S

A single-phased color-tunable phosphor Ca3Y (PO4) 3:Eu2+/Sm3+for WLED was prepared by a conventional solid-state reaction method.X-ray diffraction confirms that the as-prepared samples were single phase Ca3Y (PO4) 3 phosphors.The obtained phosphors exhibit a strong excitation band between 250 and 450 nm, matching well with the dominant emission band of UV light-emitting-diode (LED) chip.In order to tune the emitting color of Ca3Y (PO4) 3:Eu2+phosphor, Sm3+ions were co-doped in.Under 405 nm excita...

Taiyuan University of technology 2018,49(02): YANG Mo, HUANG Ping, CUI Cai'e, WANG Lei, TIAN Yue, SHI Qiufeng. ;

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Development and Application of Electro-Hydraulic Control Technology for Hydraulic Support in Coal Mi

The electro-hydraulic control technology of hydraulic support, which is the main equipment of fully mechanized coal mining face, is an important symbol in coal mine for achieving efficient exploitation.It is very important to increase the automatic level of hydraulic support to improve production efficiency and ensure the safety of work face.The birthplace of the electrohydraulic control technology is Britain.The technology was developed in Germany, gradually extended to the world and became matu...

Taiyuan University of technology 2018,49(02): SONG Danyang, SONG Jiancheng, TIAN Muqin, XU Chunyu, SONG Xin, LI Xinsheng. ;

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Research on Simulation Model of Transformer Winding Fault under Lightning Impulse

The experimental study on the fault using the original model of a large transformer is of long period and high cost, and it is not easy to obtain valid data.It is convenient to obtain more comprehensive fault data through simulation, which is helpful to the study of diagnosis method.The parameters of the transformer winding distribution parameter model under lightning impulse voltage are not comprehensive and have a certain error, which is unfavorable for the fault feature analysis.A single phase...

Taiyuan University of technology 2018,49(02): PU Ziheng, ZHANG Yujiao, FANG Chunhua, ZHOU Li. ;

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Physical Design and Performance Simulation of Three-Phase PWM Rectifier Based on Sliding-Mode Contro

Aimed at the low dynamic behavior of the double closed-loop control system of three-phase PWM rectifier based on PI control, a new double closed-loop control scheme based on sliding-mode was proposed.The simulation model of the whole system was built between slidingmode and classical double PI control by using Matlab/Simpower, and a pointed simulation experiment was conducted on this basis.The simulation results show that the three-phase PWM rectifier sliding-mode has good dynamic response and an...

Taiyuan University of technology 2018,49(02): GAO Rihui, CHEN Yan, MA Chunyan, DOU Yinke. ;

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Analysis of Network Malicious Behavior and Feature Association Based on Big-Data

With the arrival and development of big data era, the security data in the network has the characteristics of massive quantity, data source diversification, fast growth and high complexity, which leads to the fact that traditional network malicious behavior detection method cannot be applied to current network malicious behavior analysis and detection.In order to solve this problem, the analysis of network malicious behavior and feature association based on big-data is proposed.Through the study ...

Taiyuan University of technology 2018,49(02): WANG Chuandong, YE Qing, YAO Lu, LIU Shangdong, JI Yimu, WANG Ruchuan. ;

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The Applied Research of Asymmetric Functional Connectivity in AD Early Diagnosis

In this study, functional connection strength was used to explore the hemispheric asymmetry in AD so that it can serve the AD aided diagnosis and improve the classification accuracy.ADNI database was used to verify the idea we proposed.The symmetric brain template was made to construct hemisphere brain networks, then the functional connection strength and laterality index were calculated.By using statistical analysis, the features for AD aided diagnosis were screened.According to the features, th...

Taiyuan University of technology 2018,49(02): WU Xubin,XIANG Jie. ;

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Study on Reinforced Cushion in Lime Soil Compaction Pile Composite Foundation

Through the field test in the construction of lime soil foundation with compaction pile composite foundation reinforced cushion, the stress on top of the pile and on the soil between the piles and the strain of the triaxial geogrids were tested, and the variation curves of pile-soil stress ratio and the strain of triaxial geogrid with construction height were obtained.It is shown that in the composite foundation with reinforced cushion and lime soil compaction pile under the strip foundation, the...

Taiyuan University of technology 2018,49(02): WANG Jingren, GE Xinsheng, BAI Xiaohong, YUAN Hui, ZHANG Yulong, ZHANG Jun. ;

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Micro-Mechanical Properties of PMMA with the Coupling of Hygrothermal Aging and Strain Rate

PMMA sheets were subjected to 85 ℃ and 85% relative humidity for different times and then applied to nanoindentation tests to investigate the effects on PMMA nanomechanics with the coupling of hygrothermal aging and strain rate.The test adopted five strain rates.Results show that both the hygrothermal aging and loading strain rate affect the property of PMMA.The hygrothermal aging increases the creep property of PMMA with respect to unaged sample.Meanwhile, the effect of aging time on PMMA nanom...

Taiyuan University of technology 2018,49(02): LI Lintao, WANG Zhihua, JIN Tao. ;

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Numerical Simulation of Dynamic Response of Corrugated Sandwich Panel Under Air Blast

The dynamic response of corrugated sandwich panel under air blast was simulated by AUTODYN.The three-dimension model was established in software, which includes explosive charge, air, sandwich panel and clamp frames.The fluid-structure interaction between sandwich panel and shockwave was studied, as well as the response process of sandwich panel.The influence of the thickness and yield stress of core and face sheets on the response and energy absorption was investigated.The results showed that th...

Taiyuan University of technology 2018,49(02): ZHU Jian, LI Feipeng, LI Xin, QU Yunlian. ;

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Existence of Global Attractors for a Class of Nonlinear Evolution Equations

In this paper, some priori estimates are obtained by the Sobolev embedding theorem for studying the existence and uniqueness of solutions of a generalized nonlinear equation via Galerkin method.It is proved that under the natural assumptions, these equations possess the global attractors in H01 (Ω) H01 (Ω) by using Gronwall lemma and verifying conditions (C) , where the nonlinear termf (u) satisfies a critical exponential growth condition....

Taiyuan University of technology 2018,49(02): SUN Jingjing, ZHANG Jianwen. ;

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Existence and Multiplicity of Solutions for Nonlinear Schrdinger-Kirchhoff-Type Equations in RN

The existence and multiplicity of nontrivial solutions for Schrdinger-Kirchhoff type equations in RN with subcritical nonlinearities term were investigated by using variational methods.Firstly, it was proved that the energy functional is bounded from below and satisfies (PS) condition under certain assumptions, thus giving a critical value of the energy functional.Then it was proved that the equation has at least a nontrivial solution.Furtherly, it was proved that the equation has infinitely ma...

Taiyuan University of technology 2018,49(02): HUI Yanmei, GUO Zuji. ;

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