process optimization for mesoporous graphite preparation

The simplex optimization for high porous carbons

Coal can be an excellent starting material for the preparation of high porous carbons for natural gas storage. The porosity of the resultant carbons was characterized by nitrogen adsorption (-196oC). Methane adsorption was investigated in a volumetric laboratory installation at range pressures from

Optimization of the Synthesis Procedures of Graphene

The optimization of both the chemical vapor deposition (CVD) synthesis method to prepare graphene and the Improved Hummers method to prepare graphite oxide is reported. Copper and nickel were used as catalysts in the CVD-graphene synthesis, CH4 and H2being used as precursor gases. Synthesis variables were optimized according to a thickness value, calculated using a homemade Excel-VBA

Optimization of Synthesis Parameters of Mesoporous

Optimization is a process utilized to discover the best condition to generate the best possible outcome. One of the common optimization method used in the field of chemistry is response surface methodology (RSM). This method consists of mathematical and statistical techniques which relate the responses with the variables of interest. There are many experimental designs in RSM, and one of the

Process optimization for producing hierarchical porous

2018/3/25Process optimization for producing hierarchical porous bamboo-derived carbon materials with ultrahigh specific surface area for lithium-sulfur batteries Author links open overlay panel Yinglin Yan a Mangmang Shi a Yiqi Wei a Chao Zhao b Matt Carnie b Rong Yang a Yunhua Xu a

Process optimization on methyl orange discoloration in

The main goal of the process optimization was to determine the optimum values of variables for MO discoloration in Fe 3 O 4 /RGO-H 2 O 2 system. Based on the model prediction, the optimum conditions for MO discoloration in this system were 2.9 for solution pH, 16.5 mM H 2 O 2 concentration, 2.5 g/L catalyst dosage and 33.5 min of reaction time, with the maximum predicted value for MO

Polystyrene microspheres‐templated preparation of

In this Letter, we report the preparation of hierarchical porous modified red mud (MRM‐PS) by polystyrene (PS) microspheres‐templated method. The textural and morphology of the as‐received RM and the as‐prepared MRM‐PS adsorbent were characterised by means of X‐ray diffraction (XRD), scanning electron micrographs (SEMs), transmission electron microscopy (TEM) and N 2 sorption.

SYNTHESIS AND CHARACTERIZATION OF MESOPOROUS BASE CATALYST FOR TRANSESTERIFICATION

2.3.3 Preparation of mesoporous support 2.3.1(a) Sol-gel method 2.3.2(b) Calcination process 2.4 Optimization studies 2.4.1 Response surface methodology (RSM) 2.4.2 Central composite design (CCD) 2.4.3 Data analysis 2.4.4 Model fitting and validation

Mesoporous graphite nanoflakes via ionothermal

Other molten salts, ionic liquids (ILs), are now established solvents, 20,21 templates, 22 and precursors for inorganic materials, 8,23–27 and as stabilizers for exfoliated graphite. 9,28 Moreover, the preparation of advanced carbons in ILs, in particular via 8,22–24

Statistical Optimization of the Biodiesel Production

Statistical Optimization of the Biodiesel Production Process Using a Magnetic Core‐Mesoporous Shell KOH/Fe 3 O 4 γ‐Al 2 O 3 Nanocatalyst Atena Ghalandari Babol Noshirvani University of Technology, Chemical Engineering Department, P.O. Box 484, 4714871167 Babol, Iran

Journal of Electrochemical Science and Technology

Preparation and Characteristics of Core-Shell Structure with Nano Si/Graphite Nanosheets Hybrid Layers Coated on Spherical Natural Graphite as Anode Material for Lithium-ion Batteries Hae-Jun Kwon, Jong-In Son, Sung-Man Lee J. Electrochem. Sci. Technol.

Preparation, Characterization, and Applications of

2019/6/15Carbonaceous mesophase with a nematic liquid crystal structure possesses an easily graphitizable characteristic and can be used as a promising raw material to prepare anisotropic carbon and graphite materials with high performance and multifunction. Therefore, the carbonaceous mesophase occupies a pivotal and irreplaceable position in many frontier and cutting-edge fields. The

The simplex optimization for high porous carbons

Coal can be an excellent starting material for the preparation of high porous carbons for natural gas storage. The porosity of the resultant carbons was characterized by nitrogen adsorption (-196oC). Methane adsorption was investigated in a volumetric laboratory installation at range pressures from

Preparation of Biomass

In this protocol, one of the critical steps is the successful preparation of mesoporous carbon with better physicochemical properties by the one-step approach, where optimal experimental conditions need to be determined. So, in a previous study 28, we have carried out orthogonal array microwave pyrolysis experiments, considering the effect of the impregnation ratio of bagasse and phosphoric

Preparation, Characterization, and Applications of

2019/6/15Carbonaceous mesophase with a nematic liquid crystal structure possesses an easily graphitizable characteristic and can be used as a promising raw material to prepare anisotropic carbon and graphite materials with high performance and multifunction. Therefore, the carbonaceous mesophase occupies a pivotal and irreplaceable position in many frontier and cutting-edge fields. The

Preparation, Characterization, and Applications of

2019/6/15Carbonaceous mesophase with a nematic liquid crystal structure possesses an easily graphitizable characteristic and can be used as a promising raw material to prepare anisotropic carbon and graphite materials with high performance and multifunction. Therefore, the carbonaceous mesophase occupies a pivotal and irreplaceable position in many frontier and cutting-edge fields. The

SYNTHESIS AND CHARACTERIZATION OF MESOPOROUS BASE CATALYST FOR TRANSESTERIFICATION

2.3.3 Preparation of mesoporous support 2.3.1(a) Sol-gel method 2.3.2(b) Calcination process 2.4 Optimization studies 2.4.1 Response surface methodology (RSM) 2.4.2 Central composite design (CCD) 2.4.3 Data analysis 2.4.4 Model fitting and validation

Synthesis and Characterization of a Novel Nanoporous Composite Based on Elemental Sulfur and Graphitic Mesoporous Carbon

preparation of sulfur composite based on graphitic mesoporous carbon. In the present study, we report, the synthesis and characterization of a Graphitic Mesoporous Carbon (GMC) using cheap nano-CaCO 3 as hard template, sucrose as

Journal of Electrochemical Science and Technology

Preparation and Characteristics of Core-Shell Structure with Nano Si/Graphite Nanosheets Hybrid Layers Coated on Spherical Natural Graphite as Anode Material for Lithium-ion Batteries Hae-Jun Kwon, Jong-In Son, Sung-Man Lee J. Electrochem. Sci. Technol.

Three

2020/1/22Electrode materials that can function well in both lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) are desirable for electrochemical energy storage applications, especially under high rate. In this work, a three-dimensional (3D) mesoporous γ-Fe 2 O 3 carbon nanofiber (γ-Fe 2 O 3 CNF) mat has been successfully synthesized by sol–gel based electrospinning and carbonization.

Optimization of the Synthesis Procedures of Graphene

The optimization of both the chemical vapor deposition (CVD) synthesis method to prepare graphene and the Improved Hummers method to prepare graphite oxide is reported. Copper and nickel were used as catalysts in the CVD-graphene synthesis, CH4 and H2being used as precursor gases. Synthesis variables were optimized according to a thickness value, calculated using a homemade Excel-VBA

Preparation of Mesoporous Carbon from Organic

A mesoporous carbon was prepared from a carbon/silica nanocomposite. The composite was obtained by mean of a sol−gel process using tetraethoxy silane (TEOS) in the presence of furfuryl alcohol (FA) as a carbon precursor and then the silica framework was removed from the composite by HF treatment. It was found that the resultant carbon is porous, and its mesoporosity depends on the sol−gel

Statistical Optimization of the Biodiesel Production

Statistical Optimization of the Biodiesel Production Process Using a Magnetic Core‐Mesoporous Shell KOH/Fe 3 O 4 γ‐Al 2 O 3 Nanocatalyst Atena Ghalandari Babol Noshirvani University of Technology, Chemical Engineering Department, P.O. Box 484, 4714871167 Babol, Iran

PREPARATION AND CHARACTERIZATION OF GRAPHENE

Preparation of Graphene Oxide (GO) films Graphite oxide was first prepared from graphite powder in the presence of strong oxidizing agents according to modified Hummers method [11]. The proportion was scaled down during the synthesis process. Graphite 3 2

Process optimization of Auramine O adsorption by

Z.N. Garba, A.A. Rahim, Process optimization of K 2 C 2 O 4-activated carbon from Prosopis africana seed hulls using response surface methodology, J. Anal. Appl. Pyrol., 107 (2014) 306–312. D.C. Montgomery, Design and Analysis of Experiments, John

Molecules

This observation could be attributed to the optimization process carried out. Meanwhile, the optimization led to the significant reduction in the surface area and the pore volume when compared with the carbonized material ( Table 2 ) attributable to partial oxidation and destruction of the porous structure during the sulfonation process, leading to the attachment of more -SO 3 H groups on the

Study on Preparation and Characterization of Graphene

G-8 graphite had the lowest peak value, so the optimization was performed based on the G-8 process. Through previous experience and exploration, we found that many factors affected the quality of the graphene, such as the particle size of the material, MBVR,

Adsorption Properties of Templated Mesoporous

Nitrogen adsorption isotherms at 77 K and high pressure adsorption of supercritical methane at 303 K were measured on mesoporous carbon (CMK-1) prepared from the templating of MCM-48. These experimental isotherms were simulated with grand canonical Monte Carlo (GCMC) simulation using the rod-aligned slitlike pore (RSP) model. This RSP model gives good agreement with the experimental

Synthesis and Characterization of a Novel Nanoporous Composite Based on Elemental Sulfur and Graphitic Mesoporous Carbon

preparation of sulfur composite based on graphitic mesoporous carbon. In the present study, we report, the synthesis and characterization of a Graphitic Mesoporous Carbon (GMC) using cheap nano-CaCO 3 as hard template, sucrose as

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