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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

Links

Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2023,54(06)

Hydraulic Performance of Polymer-Modified Bentonite in Containment Barriers under Aggressive Conditions

【Purposes】 Polymer-modified bentonite (PMB) has very low hydraulic conductivity to aggressive solutions that are highly saline, highly acidic, or highly alkaline, and thus is more capable of achieving improved contaminant control efficacy than conventional bentonite. 【Methods】 This paper investigates the performance of PMB-enhanced low-permeability materials in the containment barriers such as geosynthetic clay liner (GCL), vertical cutoff wall, and cover system. According to the application ...

Taiyuan University of technology 2023,54(06): JIANG Lusha, LI Chaoyue, LU Guanghua, PU Hefu, DONG Xiaoqiang, DAI Zhanhong, XU Jun, HOU Guolun. ;

PDFviewed：abstract

Efficient Separation of Poplar Lignin through Multi-stage Heat Treatment by Deep Eutectic Solvent

【Purposes】 Deep eutectic solvent (DES) can be used for the extraction of lignin from lignocellulosic biomass owing to its simple preparation, good solubility of lignin, low cost, and easy recycling. In order to further improve the delignification effect of DES under mild conditions, a multi-stage treatment process with gradually increasing temperature is proposed. 【Methods】 Poplar powder was treated at 80, 100, and 120 ℃, and each treatment lasted for 4 h. 【Findings】 The lignin extraction ...

Taiyuan University of technology 2023,54(06): TIAN Rubo, ZHANG Man, LU Houfang. ;

PDFviewed：abstract

Preparation of Ultrathin MOF Membranes for Gas Separation by Orientation Regulation

【Purposes】 Metal-organic framework (MOF) membranes have been extensively studied in recent years owing to their rich porosity as well as their uniform and adjustable pore size. Still, the preparation of ultra-thin and defect-free MOF membranes faces great challenges. Controlling the growth orientation of the MOF membranes helps reduce intergranular defects and optimize membrane thickness. 【Methods】 For the first time, an ultra-thin and oriented UTSA-280 MOF membrane is prepared on a porous su...

Taiyuan University of technology 2023,54(06): CHEN Hui, LIU Yutao, LI Jinping, LI Libo. ;

PDFviewed：abstract

Coke Mechanism of Hollow Capsule Mo/HZSM-5 During Methane Dehydroaromatization

【Purposes】 Methane dehydroaromatization (MDA) is a frontier topic in the field of natural gas chemical industry. 【Methods】 Mo/commercial-HZSM-5, Mo/nano-HZSM-5, and Mo/hollow capsule HZSM-5 were synthesized by using a conventional wet impregnation strategy. The samples were characterized by ICP, XRD, BET, SEM, TEM, NH3-TPD, and XPS, and tested in MDA reaction. The properties of carbonaceous species were measured by TG and TPO techniques. The carbon cycle path was investigated through periodic...

Taiyuan University of technology 2023,54(06): ZHANG Xinqi, HUANG Xin, WANG Kai, JIAO Xi, JIN Zhixin. ;

PDFviewed：abstract

Corrosion Behavior of Multi-ion Recombination on Q235 Carbon Steel During Transportation of Reclaimed Water in Heating Pipes

【Purposes】 The study was focused on the corrosion behavior of heating pipes during the transportation of reclaimed water, where the corrosion factors and interactions amoug these factors were considered. 【Methods】 Specifically, the comprehensive effects of multiple ions (Cl-, SO2-4, HCO-3, Ca2+) and pH on Q235 carbon steel (main materials used in heating pipes) were researched by electrochemistry methods. Meanwhile, weight loss method was also applied for the verification of the reliability a...

Taiyuan University of technology 2023,54(06): CHEN Xi, LIU Hongyan, SUN Xiang, LIANG Meisheng. ;

PDFviewed：abstract

Effect of Zinc-Cobalt Ratio on Desulfurization and Hydrogenation Catalysis of Zinc-Cobalt Desulfurizer

【Purposes】 ZnO-based desulfurizer has the problems of low sulfur capacity and low regeneration performance for ambient H2S removal process, which forms solid waste after desulfurization. 【Methods】 Cobalt species were introduced into ZnO-based desulfurizer, and the effects of different Co contents on the structure and desulfurization performance of zinc-cobalt desulfurizer were investigated. The samples before and after desulfurization were characterized, and the spent zinc-cobalt desulfurizer...

Taiyuan University of technology 2023,54(06): FENG Yueting, YANG Chao, WANG Yeshuang, DUAN Mingxian, LI Yuankai, SHANGGUAN Ju, FAN Huiling. ;

PDFviewed：abstract

Study on Synthesis of 9-Fluorenylcarboxylic Acid and Co-production of Phenanthrene by Coconversion of Anthracene Residue and Carbon Dioxide

【Purposes】 Anthracene residue is a typical coal-based organic solid waste，which is mainly rich in phenanthrene and fluorene. In order to solve the difficulty in achieving effective separation of phenanthrene and fluorene, this research has been conducted. 【Methods】 By conventional separation methods and cooperative utilization of carbon dioxide, a reaction-separation coupling technique was adopted to convert fluorene in anthracene residues with carbon dioxide to 9-fluorenylcarboxylic acid wi...

Taiyuan University of technology 2023,54(06): GAO Qing, WANG Ruinan, YE Cuiping, MU Jianli, LIANG Meisheng. ;

PDFviewed：abstract

Synthesis and Lithium Storage Properties of One-dimensional Rod-shaped FeMo2S4

【Purposes】 The rational design and regulation of the microstructure of electrode materials are the bases for significantly enhancing their electrochemical performance. 【Methods】 In this study, FeMo2S4 with a one-dimensional rod-like structure was synthesized by a solvent heat-calcination method and used as an anode material for lithium-ion batteries. 【Findings】 Compared with the irregular structured bulk electrode, the one-dimensional rod structure of FeMo2S4 reduces the ion/electron transp...

Taiyuan University of technology 2023,54(06): WANG Hongquan, REN Jing, HAN Jianqiang, REN Ruipeng, LYU Yongkang. ;

PDFviewed：abstract

Highly Selective H2O2 Electrogeneration with NiOOH-supported Graphite Felt and Its Application in Electro-Fenton

【Purposes】 Electrochemical synthesis of hydrogen peroxide (H2O2) in situ coupled Fenton-like technology has broad application prospects in the treatment of black-odorous waterbodies. However, the development of low-cost, high-performance oxygen reduction cathode electrocatalysts in neutral media has become a key obstacle to the commercial implementation of this technology. 【Methods】 To address this problem, a graphite felt(GF)-supported NiOOH electrocatalyst (x-NiOOH/GF) was prepared by a sim...

Taiyuan University of technology 2023,54(06): ZHANG Yanwen, NIU Zehui, DONG Zhishuai, BAI Yu, AN Zhuolin, LIU Shibin. ;

PDFviewed：abstract

Performance of Strong Oxidant 1O2 Produced by Water Electrolysis with SnO2-Sb Conductive Solid Solution Doped with Co3O4 for Degradation of Rhodamine B

【Purposes】 The low degradation efficiency of anode materials in printing and dyeing wastewater has led to low industrialization process.【Methods】 SnO2-Sb-Co3O4@GF nanocomposite electrode materials with different Co3O4 doping contents were prepared by multiple dipping and thermal decomposition method. The morphology, crystal phase, and surface elements of nanocomposites were characterized by scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. The free radical...

Taiyuan University of technology 2023,54(06): NIU Zehui, ZHANG Yanwen, BAI Yu, DONG Zhishuai, ZHANG Kai, LIU Shibin. ;

PDFviewed：abstract

Synthesis of Multi-pore Array Structure (NiCo2O4/NF) Composite Electrode Materials and Their Application in Heavy Metal Ion Detection

【Purposes】 In-depth research on electrode materials and preparation processes to develop new electrochemical sensors for heavy metal ion detection is of great importance. 【Methods】 The porous NiCo2O4 array grown on Ni foam (NiCo2O4/NF) was synthesized by hydrothermal method. Then, the composition, morphology, and electrochemical properties of the sample were characterized by X-ray diffraction, scanning electron microscopy, and electrochemical testing. 【Findings】 The results show that the Ni...

Taiyuan University of technology 2023,54(06): ZHANG Hui, OU Kangtai, REN Ying, MA Jun, LI Xiao, DU Xiaojun, SUN Youyi. ;

PDFviewed：abstract

Effect of B on Segregation Behavior of Mo at γ-Fe ∑9 and ∑11 Grain Boundaries

【Purposes】 Owing to the serious segregation of Cr and Mo in super austenitic stainless steel, a large number of Mo- and Cr-rich second phases precipitate during the hot rolling process, which leads to rolling cracking and delamination. Boron microalloying is helpful for preventing the σ phase precipitation. 【Methods】 The matrices and precipitate structures of boron-free and boron-containing S31254 super austenitic stainless steels and the distribution of elements such as Cr and Mo were analy...

Taiyuan University of technology 2023,54(06): YAN Xin, ZHANG Yi, YANG Jing, CHEN Jin, HAN Peide. ;

PDFviewed：abstract

Study on Motion Melting and Mixing of Ice Samples in a Water Model of Ladle

【Purposes】 In ladle metallurgy, block or whole bag alloy materials and lime are usually added. In recent years, some companies have reported a new process of adding scrap steel to ladle refining furnace. Studying the melting and homogenization mechanism of the above solid substances in the ladle refining process can optimize the refining process and accelerate production rate. 【Methods】 Ice sample and ice sphere made by KCl solution were used in the water model experiment separately to study ...

Taiyuan University of technology 2023,54(06): ZHU Jiangjun, CHEN Chao, FAN Jinping, LI Linbo, CHEN Min, YANG Huibo, LIN Wanming. ;

PDFviewed：abstract

Size and Shape Effects of Silicon Quantum Dot Cohesive Energy

【Purposes】 It aims to analyze the effect of the size and shape of silicon quantum dots on their binding energy. 【Methods】 The cohesive energy of silicon quantum dots with different sizes and shapes is calculated by using the method of density functional theory first principles. 【Findings】 The calculation results show that the cohesive energy of silicon quantum dots basically exhibits shows an increasing trend with the increase of atom number in the system, which is consistent with the size ...

Taiyuan University of technology 2023,54(06): LUAN Xiangsen, YAN Xiaoli, LI Hui. ;

PDFviewed：abstract

Study on the Availability of Sonic Velocity Inversion for Calcium Hydroxide in Respirator

【Propose】This work has been done in order to solve the problems of long time consuming， complex operation， and poor environmental applicability of the existing methods for detection of calcium hydroxide absorption rate in emergency rescue work.【Methods】A method to invert the avail⁃ability of calcium hydroxide by using acoustic velocity was proposed. By measuring the change of acoustic velocity in calcium hydroxide sample， the residual CO2 absorption rate was determined， and the availabil...

Taiyuan University of technology 2023,54(06): LI Longlong, LI Yucheng, DIAO Youpeng , REN Jianye. ;

PDFviewed：abstract

Research on Pedestrian-Induced Vibration Test and Damping Control of Long-Span Simple-Supported Steel Truss Girder Pedestrian Bridge

【Purposes】 This work has been done in order to study the dynamic response of long-span simply-supported steel truss pedestrian bridge under human-induced excitation and the damping effect of tuned mass damper (TMD). 【Methods】 The research object is a 123 m span simply supported steel truss girder pedestrian bridge——Xuanyue Bridge in Shanxi Province, and on site human-induced vibration tests and numerical simulation have been carried out. The influences of different excitation frequencies, n...

Taiyuan University of technology 2023,54(06): JIAO Jinfeng, WANG Jinlong, YAN Xiaoyan, LU Guoyun, CHEN Pengcheng. ;

PDFviewed：abstract

Analysis and Evaluation of Strengthening Effect of Inflatable Rings on Soft Stratospheric Airship

【Purposes】The research on advanced stratospheric airships in China is mainly at the conceptual design stage， lacking specific mechanical performance evaluation to promote their development.【Methods】On the basis of the uniaxial cyclic tensile test of airship membrane material， the mechanical performance of the semi-rigid stratospheric airship （L=120 m） with carbon fiber skeletons and inflatable rings was analyzed. The influence of carbon fiber skeletons and inflatable rings， number of inf...

Taiyuan University of technology 2023,54(06): LI Tiane, LI Jiabao, CHENG Xuliang, LIN Guochang , LUO Yaozhi. ;

PDFviewed：abstract

Study on Nondestructive Testing Technology of Material Properties for Ancient Larch Wood in Shanxi

【Purposes】Shanxi Province has the largest number of ancient timber structures in Chi⁃na. With the larch wood replaced by maintenance from an ancient building in Shanxi as the test ob⁃ject， the material property tests of density， moisture content， compressive strength along the grain，bending strength， and bending elastic modulus， and the non-destructive tests of micro-drilling resis⁃tance value and stress wave velocity were carried out.【Methods】 According to the test data， the cor⁃r...

Taiyuan University of technology 2023,54(06): BAI Xiaobin, WU Jingshu, YANG Na , LIANG Ningbo. ;

PDFviewed：abstract

Mechanical Properties of Prefabricated Composite Beams Without Wet Joints

【Purposes】 This research is conducted to realize the assembly of steel-concrete composite beams without wet joints, so that the composite beam structure is easy to be disassembled and replaced.【Methods】 ABAQUS analysis saftware was used to study the mechanical properties of high-strength bolted steel-concrete composite beams, an accurate and reliable finite element model was established, and the connection method of precast concrete slabs was improved. On this basis, the effects of bolt pre-t...

Taiyuan University of technology 2023,54(06): WANG Zhipeng, WANG Wenyan, XING Kaidi, PAN Chen. ;

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Characterization of Terahertz Dielectric Constant and Pore Structure of Hardened Cement Paste with GEM Model

【Purposes】 A deep understanding of the pore structure of cement paste is important for improving the performance of cement-based materials. 【Methods】 In this paper, terahertz time-domain spectroscopy (THz-TDS) system was used to test the terahertz time-domain signal of dry cement paste with water cement ratio of 0.3, 0.4, 0.5 and hydration ages of 7, 28 and 56 d in the frequency range of 0.2~2 THz. The refractive index and dielectric constant of cement paste were calculated by using the delay...

Taiyuan University of technology 2023,54(06): WANG Zhipeng, WANG Wenyan, XING Kaidi, PAN Chen. ;

PDFviewed：abstract