Guojie Zhang

Guojie Zhang
Taiyuan University of Technology · Department of Chemistry

About

84
Publications
9,839
Reads
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1,522
Citations
Citations since 2016
46 Research Items
1338 Citations
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
Introduction
Guojie Zhang currently works at the Department of Chemistry, Taiyuan University of Technology. Guojie does research in Chemical Thermodynamics, Green Chemistry and Chemical Kinetics. Their current project is 'CH4-CO2 REFORMING'.
Additional affiliations
November 2015 - present
Taiyuan University of Technology
Position
  • Professor

Publications

Publications (84)
Article
The selective catalytic reduction of NO by CO is a promising technology for the simultaneous removal of both NO and CO pollution. Hence, a series of CuMgFe composite metal oxides with flower-like morphology was prepared by co-precipitation method for SCR of NO by CO. CuMgFe oxide calcined at 500 °C (CuMgFe-500) exhibited excellent low temperature a...
Article
Activated carbon has a wide range of applications in purifying water and air, and still has a huge potential market in the field of environmental protection. In this paper, a series of bamboo shoot shell-derived porous carbons were prepared by a two-step method of carbonization and potassium carbonate (K2CO3) activation. These biomass porous carbon...
Article
The low-cost of CO2 adsorbent is crucial for realistic CO2 adsorption application. In this paper, a series of green CO2 adsorbents were prepared using tetraethylenepentamine (TEPA) functionalized blast furnace slag (BFS) as raw materials, which not only implemented the recycling of blast furnace slag solid waste, but also realized the low cost of a...
Article
In this paper, a series of microporous carbonaceous adsorbents were prepared using bamboo shoot shells as carbon precursors and four different chlorides (calcium chloride, potassium chloride, iron chloride and zinc chloride) as activators. The results show that the pore structure and specific surface area of the adsorbent jointly affect the adsorpt...
Article
A series of Cu-doped Ce-based mixed metal oxide catalysts were prepared by the simplest impregnation method for CO oxidation and CO selective reduction of NOx (CO-SCR), respectively. Among them, 10Cu/CeO2 catalyst showed excellent catalytic activity and stability in both reactions. The catalysts were characterized by XRD, BET, SEM, TEM, XPS, H2-TPR...
Article
Renewable carbon materials are attractive materials with great potential for many applications. Macadamia nutshell is a by‐product of the nut industry, with high yield and fast regeneration. It is a potential precursor for biomass‐based activated carbon. In this study, we prepared an adsorbent using macadamia nutshell as a precursor and KOH as an a...
Article
A series of CuxFeMg4-x-LDO and Cu/FeMg2.8-LDO catalysts were prepared by calcination of CuFeMg layered double hydroxide (LDH) for CO-SCR reaction. The Cu1.2FeMg2.8-LDO catalyst exhibited the highest CO-SCR activity and the NO conversion reach 100 % at 225–600 °C with a space velocity of 60000 mL·g⁻¹·h⁻¹. The CuxFeMg4-x-LDO composite metal oxide gen...
Article
Nitrogen (N)-doped carbon materials have become promising candidates for many applications. In this paper, the biomass activated carbon (BC) was obtained by carbonization and activation of soybean meal. Using soybean meal as the precursor, potassium hydroxide (KOH) as the activator and melamine as the nitrogen source, a series of N-doped porous bio...
Article
The development of environmentally friendly and efficient catalysts for the production of essential chemicals has always been a desirable goal for technology in the chemical industry. In this paper, we fabricated a kind of sodium (Na) super ionic conductor (NASICON)-type materials (H1-xTi2(PO4)3-x(SO4)x) with different Ti/P ratios through tuning ti...
Article
A series of y Cu/TixSn1-xO2 catalysts for selective catalytic oxidation (NH3-SCO) were synthesized using TixSn1-xO2 as catalyst support and CuO as active species. Compared with pure TiO2 support, the strong metal-support interaction between Cu active species and TixSn1-xO2 was significantly promoted by the Sn-doping, thereby improving the catalytic...
Article
Dry reforming of methane (DRM) is an effective way to convert CH4 and CO2 into syngas. However, the activity and stability of the catalysts used need to be improved. Herein, the influence of the introduction of lanthanum on the catalytic performance of the Co/WC-AC catalyst for DRM was investigated. The catalysts were characterized by N2 physical a...
Chapter
This paper studies methane reforming with carbon dioxide over metal-free carbon material catalysts. In the first step of the carbon-catalyzed reforming reaction of carbon dioxide (CO2) and methane (CH4), methane and carbon dioxide are activated, followed by CO2–CH4 reforming. Methane decomposition comprises chain branching reactions with chain init...
Article
Full-text available
In the research, N-doped cost-effective carbon dioxide adsorbents with ultrahigh selectivity are prepared using waste walnut shell pyrolysis by two-step activation and urea modification. The carbonaceous adsorbent exhibits excellent pore structure due to the catalytic degradation of H3PO4 and the etching action of KOH. The optimized sample, HAC-850...
Article
Although tungsten carbide (WC) has similar properties, it is easily oxidized and deactivated during dry methane reforming (DRM). Therefore, it is of great significance to investigate the influence of carburizing atmosphere on the structure and properties of the prepared tungsten carbide material. Here, using ammonium metatungstate as the tungsten s...
Article
A series of nitrogen doped biomass carbon catalysts were prepared through two different nitrogen doped methods by using soybean meal as the raw material, melamine as nitrogen source and KOH as the activators. The catalysts were characterized by BET, SEM, CO2-TPD, EA, FTIR, XPS and Raman. The catalytic performances of CH4–CO2 reforming over differen...
Article
The mechanism and kinetic features of dry reforming with methane (DRM) over Ca promoted 1Co–1Ce/AC-N catalyst was investigated. The mechanistic pathway studies have conducted by FTIR and XPS analysis, structure-activity correlations demonstrated the CH4 and CO2 could adsorb on catalyst active sites and generate intermediate CHx, OH and CHxO, contin...
Article
Full-text available
In order to accomplish efficient CO2 capture, poly(ethyleneimine) (PEI) and tetraethylenepentamine (TEPA), with commonly used and inexpensive, was codispersed into the as-prepared SBA-15 (SBA-15(p)) to prepared blended amine functionalized adsorbent. The influence of the mass ratio of PEI to TEPA on the adsorption property was investigated. The pro...
Article
A series of N-doped CO2 adsorbents were prepared by using waste walnut shell as the raw material, urea as nitrogen source, H3PO4 as a pretreatment agent and KOH, K2CO3 and ZnCl2 as the activators. Result indicates that both the pore structure and nitrogen content of the adsorbent together affect the CO2 adsorption capacity. HAC-850-KOH showed excel...
Article
To accurately and efficiently optimize the component content of the catalyst is one important strategy to fabricate robust catalysts. By multi-response surface methodology (RSM), this study chose promising metal components (Co, Ce, and W) supported over activated carbon as a catalyst to investigate the catalytic activity of CO2–CH4 reforming. First...
Article
Amine loaded solid adsorbents are promising for the post-combustion CO2 capture. A current challenge is how to synthesize support with excellent pore structure by cost-effective methods as supports for amine loading. Herein, hierarchical bimodal mesoporous silica (HMS) was synthesized by using P123 as template through the partitioned cooperative se...
Article
The dry reforming of methane (DRM) over Ni-MSC catalysts promoted by different Ce/Ca ratios was compared. The different Ce/Ca ratios proportions were introduced by coprecipitation. The catalysts with different content of promoter were characterized by N2 adsorption, XRD, H2-TPR and TEM. XRD and TEM results demonstrated that Ni–4Ce1Ca-MSC catalyst m...
Article
This study investigates the effects of drying treatment on coal composition, function groups, pore structure, and drying characteristics of Baorixile lignite in an independently developed fixed bed with high sealing performance. The variation of functional groups of lignite during the drying process is determined by Fourier Transform Infrared spect...
Article
This study offers a simple, environmentally friendly, and low-cost method to prepare N-doped adsorbents with outstanding CO2 adsorption property under 1 bar. Utilizing waste walnut shell as adsorbents precursor and NaNH2 as chemical activator and nitrogen source, porous adsorbents containing nitrogen are prepared at low temperature zone 400–500 °C....
Article
Carbon nanotubes (CNTs) and activated carbon (AC) hybrids were obtained by co-pyrolysis of potassium hydroxide and bituminous coal. Scanning electron microscopy (SEM), thermogravimetric analysis (TGA), Raman spectroscopy, X-ray Diffraction (XRD), and nitrogen adsorption measurements were used to investigate the characteristics of the samples and th...
Article
Full-text available
Different activated carbons and manganese-modified activated carbons were prepared as deoxidizers for the low-concentration coalbed methane deoxidation. The results show that the deoxidation performance of the different activated carbons is affected by raw materials for preparation of deoxidizers. One type of activated carbon exhibited the best per...
Article
A series of Co-M (M = Ce, Fe, Zr) binary oxides supported on N-doped catalysts were prepared by impregnation methods and tested for DRM reaction. Moreover, the influence of Co and Ce atomic contents in the catalysts on DRM performance was investigated. Significant enhancement of activity performance over Ce promoted 3Co-1Ce/AC-N catalyst was observ...
Article
The catalytic activity of DRM reaction over 1M-1Co-1Ce/AC-N (M = Ca and Mg) catalysts was investigated at 800 °C and under atmospheric pressure. By promoting N-doped activated carbon supported Co-Ce catalysts with alkaline-earth metals to obtain catalysts with better catalytic performance is the main purpose of study. The catalysts were prepared by...
Article
The nitrogen doped activated carbon (AC-N) has been successfully prepared with commercial activated carbon as carbon material followed by a simple N-doping method using melamine as nitrogen sources. Using AC-N as the supports, cobalt supported on N-doped activated carbon (Co/AC-N) were developed and used as catalyst for dry reforming reaction (DRM)...
Article
A novel mesocellular silica foams (MCF) support were synthesized, which has different pore volumes and two different sizes of windows on the spherical cells. The tetraethylenepentamine (TEPA) functionalized MCF adsorbents was then prepared for CO2 capture. The effects of support structure, capture temperature, SO2 and NO2 on the CO2 capture were in...
Article
Ordered mesoporous silica-carbon (MSC) were used as supports of Ni based catalysts for dry reforming of methane (DRM) reaction. The effects of preparation method and precipitant on the catalysts are investigated. The physical and chemical properties are discussed based on the H2-TPR, FTIR, XRD, TEM, H2-TPD and N2 adsorption/desorption characterizat...
Article
In order to investigate the influence of support structure properties on CO2 capture performances of solid amine adsorbent, a novel 3-dimensional disordered porous silica (3dd) with hierarchical pore networks was developed and then compared to other three materials as adsorbent support, namely, HPS (hierarchical porous silica), MCM-41 and SBA-15. T...
Article
Activated carbon (AC) was treated with melamine to prepare nitrogen-doped carbon materials (AC-N), which used as support to prepare Co supported catalysts for CH4–CO2 reforming (DRM) reaction and its catalytic performance was investigated. The modified (Co/AC-N) and unmodified (Co/AC) catalyst were characterized by BET, H2-TPR, XRD, TEM, XPS, CO2-T...
Article
In recent years, global warming issue has been a major environmental concern, so the treatment or utilization of the greenhouse gases CO2 and CH4 have become a matter of urgency. Given this realization, dry reforming of methane (DRM) provides a comprehensive utilization of methane and carbon dioxide, which has been investigated systematically. In C...
Article
In order to relieve the amine agglomeration phenomenon in solid amine adsorbent and realize the efficient CO2 capture, a novel double-functionalized adsorbent was synthesized by grafting 3-aminopropyltriethoxysilane and impregnating tetraethylenepentamine, using original mesoporous silica molecular sieves as support. The effects of organic amine lo...
Article
SBA-15(P) mesoporous material with 2D hexagonal was synthesized as the precursor, then a series of Amine-functionalization SBA-15(p)-xTEPA CO2 adsorbents were prepared by impregnating with TEPA. The adsorbents were characterized using BET, XRD, FTIR, TEM, TGA and In situ IR DRIFTs. Characterization results show that additional impregnated TEPA has...
Article
Briquette binder plays a key role in the process of briquette production. The quality and performance of briquette also depend on the quality of briquette binder. Different types of briquette need different briquette binder. Binder used in briquetting process can be divided into inorganic binder, organic binder and compound binder. The inorganic bi...
Article
CH4 CO2 reforming to syngas was investigated over three different activated carbon catalysts. To better understand the influence of the supports on the catalytic properties, catalysts were analyzed by some characterization methods, such as nitrogen adsorption-desorption isotherms, XRD, H2-TPR, NH3-TPD, CO2-TPD, FTIR, TEM and EDX. The results showed...
Article
Full-text available
A trimodal porous support with special trimodal pore structure has been prepared by physically mixing the silica gel (HPS) and SBA-15 and then devoted to fabricate TEPA-functionalized adsorbent for CO2 capture. The trimodal multistage mesopores structure can promote the TEPA dispersion and mitigate the mass transfer resistance in the adsorbent and...
Article
Different potassium permanganate oxidation processes were used to modify activated carbon, and then surface structure and chemical properties of modified activated carbon with different preparation methods as well as their influences on carbon dioxide reforming of methane were studied. BET and SEM surface structure analysis indicated that after mod...
Article
Full-text available
The current study was performed to evaluate the antiproliferative and apoptosis-inducing potential of n-hexane fraction from Cassia fistula L. (Caesalpinioideae) fruits. The antiproliferative property of the fraction was determined by MTT assay against cancer cell lines including HeLa, MG-63, IMR-32, and PC-3 with GI50 value of 97.69, 155.2, 143, a...
Article
Full-text available
A kind of hierarchical porous silica (HPS) was synthesized in a relatively mild condition and then devoted as the supports to fabricate TEPA-impregnated adsorbents for CO2 adsorption. HPS has different pore size distribution and the huge pore volume. These structure characteristics of HPS can mitigate the mass transfer resistance which occurs more...
Article
In a self-designed experimental apparatus, coke oven gas, H2, CO, CH4, CO2 and N2 as coke dry quenching medium, coke as the filler of bed, the influences of particle shape, particle size, the gas flow and gas species on the bed pressure drop characteristics were investigated. Furthermore, the mathematical model of coke bed pressure drop of coke dry...
Article
Optimization of syngas production by non-catalytic partial oxidation of coke oven gas was carried out on a self-designed reactor. Tests were carried out to study the effects of volute and partial oxidation burners on the body the distribution of temperature and conversion. It was found that the partial oxidation burner can show desirable temperatur...
Article
Pyrolysis characteristics of the corn stalk were investigated at different temperatures and pressures, with focus mainly on the releasing profiles and forming behaviors of gas. The results show that a higher pressure was conducive to the yield of H2 and CH4, and was not conducive to the generation of CO. Combustible gas components increase with the...
Article
Full-text available
This paper used bamboo char and lignite as raw materials to prepare the new material of amination bamboo/lignite activated carbon (BAC) through carbonization and activation. It investigated the influences of the preparation conditions on the desulphurization performance of the new carbon material. BET and XPS were adopted to carry out the physical...
Article
This paper aims to determine the distribution of all species produced from Zhaotong lignite under low temperature pyrolysis and to derive an appropriate kinetic model. A fixed bed reactor system with no carrier gas is used. For the products (tar, gas and semi-char) distribution determination, experiments are carried out over different operating fac...
Article
Full-text available
The pyrolysis characteristics and kinetics of two Chinese low-rank coal samples have been studied through thermogravimetric technique and mathematical modeling. Applicability of three kinetic models, viz. the Doyle temperature integral model, Achar-Brindley-Sharp-Wendworth (ABSW) derivative model and Coats-Redfern integral model, is evaluated. The...
Article
The objective of this paper is to develop, test and characterize the efficient catalyst for carbon dioxide reforming of methane. AC supported CO-Zr bimetallic catalysts for CO2 reforming of methane were prepared by impregnation method. The influence of impregnation method, impregnation amount, calcination temperature and calcination time on activit...
Article
Full-text available
This paper used bamboo char and lignite as raw materials to prepare the new material of amination bamboo/lignite activated carbon (BAC) through carbonisation and activation. It investigated the influences of the preparation conditions on the desulfurisation performance of the new carbon material. BET and XPS were adopted to carry out the physical a...
Article
A mini coke oven has been used to study the shrinkage crack character in the process of semi-coke formation. The results show that the section of coke cake has been clearly layered, from the inner to outward, divided into loose honeycomb semi-coke layer, small honeycomb semi-coke layer, compact semi-coke layer, cracks layer. The colour of loose hon...
Article
Full-text available
A small-size gasification unit is improved through process optimization to simulate industrial United Gas Improvement Company gasification. It finds that the reaction temperature has important impacts on semicoke catalyzed methane gas mixture. The addition of water vapor can enhance the catalytic activity of reforming, which is due to the fact that...
Article
An orthogo nal experiment design was adopted for synthesis and optimization of ZrO2-Based catalyst for coke oven gas CO shift. The influence of the operating parameters on catalytic properties was investigated, with a composition being similar to typical industrial heterogeneous catalysts for WGS process. The experimental CO conversion data was ana...
Article
In this paper, a fixed-bed reactor is used to study the influence of different conditions on carbon catalyzed CO2–CH4 reforming. The surface structure and functional groups of carbonaceous material have been characterized through SEM, XPS, XRD, BET and chemical titration before and after the reaction. Studies have revealed that under non-catalytic...
Article
Discarded biological oil was modified under various preparation conditions to produce coal flotation collectors to replace traditional petroleum flotation collectors. Effect of alcohol-oil molar ratio, catalyst dosage, reaction temperature and reaction time on clean coal yield was investigated. The results showed that the flotation collectors made...
Article
H2O2 was used under different temperatures and pressures to activate three kinds of different semi-cokes. FTIR, BET, SEM and Boehm titration were used to analyze properties of the semi-cokes surfaces, finding that catalytic activities of these semi-cokes after modification by high temperature and high pressure H2O2 were improved. FTIR shows that th...
Article
The effect of different preparation methods on the physicochemical property, reforming reactivity, stability and carbon deposition resistance of cobalt/carbon catalyst was investigated through fixed bed flow reaction. The catalysts were prepared by the impregnation and characterized by the XRD and scanning electron microscopy (SEM). The result indi...
Article
Full-text available
Syngas production by CO2 reforming of CH4 in a fixed bed reactor was investigated over a series of activated carbon (AC) supported Co catalysts as a function of Co loading (between 15 and 30wt.%) and calcination temperature (Tc=300, 400 or 500°C). The catalytic performance was assessed through CH4 and CO2 conversions and long-term stability. XRD an...
Article
Carbon dioxide reforming of methane has been studied over Co/activated carbon catalysts promoted with different metal additives (Ni, Cu, Mg, Ca, Fe) aiming to improve the performance of the catalysts and increase their resistance to coking. It was found that the type of the promoter significantly affected the metal dispersion properties and catalyt...
Article
Full-text available
The reaction between hydrogen and high-sulfur coal at high temperature was investigated. Crashed and sieved high-sulfur coal sample was placed in a 23 mm I.D. differential reactor. The release of hydrogen sulfide at run temperature and under different hydrogen atmospheres was recorded by a hydrogen sulfide detector. Desulfurization yield was obtain...
Article
The results of low-temperature pyrolysis of lignite are presented in this paper. The investigation focused on the effect of pyrolysis temperature on the gaseous product distribution, as well as morphological and structural variation. The gases evolved were analyzed by gas chromatography. Graphs of evolved gaseous components versus temperature were...
Article
Full-text available
For a better understanding of the devolatilization characteristics of lignite, a highly volatile lignite was devolatilized at four different heating rates in a thermogravimetric analyzer in this study. The results showed that the lignite pyrolysis process was strongly affected by the heating rate. As the heating rate increased, the differential the...
Article
In this work, synthesis gas production by carbon dioxide reforming methane over carbonaceous catalyst and reaction kinetics of carbonaceous materials with carbon dioxide were investigated using a fixed bed reactor system operating at atmospheric pressure. Mass balance of reforming reaction studies was conducted by measuring C element. The gas was d...
Article
The dual-gas resources polygeneration system technology not only make full use of the complementary characteristics of carbon-rich in gasification and hydrogen-rich in coke oven gas, but also avoid the CO shift reaction, reduce the CO2 emission reduction and energy loss. This paper analyses and introduces syngas production in dual-gas resources pol...
Article
Temperature-programmed pyrolysis of lignite was investigated. The aim of this research was to determine the pyrolysis product distribution and product evolution rate during low temperature pyrolysis of lignite as a function of temperature. The pyrolysis products were analyzed by capillary gas chromatography, gas chromatography-mass spectroscopy (GC...
Article
Carbon dioxide reforming of methane over different semi-cokes (Hongce lignite, Shenmu bituminous coal and Jincheng anthracite) is being investigated at atmospheric pressure, temperature of 800–1000 °C, CH4/CO2 ratios of 3:1–1:3 and gas–solid contact times of 0.11–1.76 min using a fixed-bed reactor. The semi-cokes still shows stable catalyst activit...