Direct synthesis of dimethyl carbonate from methanol and carbon dioxide over Ga2O3-CeO2-ZrO2 catalysts prepared by a single-step sol-gel method: Effect of acidity and basicity of the catalysts

2012 ◽  
Vol 29 (8) ◽  
pp. 1019-1024 ◽  
Author(s):  
Hye Jin Lee ◽  
Wangrae Joe ◽  
Ji Chul Jung ◽  
In Kyu Song
Keyword(s):  
Carbon Dioxide ◽  
Dimethyl Carbonate ◽  
Direct Synthesis ◽  
Sol Gel ◽  
Single Step ◽  
Gel Method ◽  
Sol Gel Method ◽  
Method Effect ◽  
Acidity And Basicity

Fabrication and Characteristics of Methyl-Modified TiO2-SiO2 Membrane by Sol-Gel Method: Effect of Titania Content

2021 ◽  
Vol 219 (1) ◽  
pp. 233-246
Author(s):  
Jing Yang ◽  
Gaofei Zhang ◽  
Ruifeng Zhang ◽  
Yingming Guo ◽  
Bo Li
Keyword(s):  
Sol Gel ◽  
Gel Method ◽  
Sol Gel Method ◽  
Titania Content ◽  
Method Effect

Carbon dioxide reforming of methane over Ni/Mg0.4Al0.4-La0.1Zr0.1(O) catalyst prepared by recombination sol–gel method

2017 ◽  
Vol 42 (26) ◽  
pp. 16459-16475 ◽  
Author(s):  
Wenqing Hou ◽  
Yuqi Wang ◽  
Yukun Bai ◽  
Wen Sun ◽  
Weijian Yuan ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Sol Gel ◽  
Carbon Dioxide Reforming ◽  
Gel Method ◽  
Sol Gel Method

scholarly journals Nanosized TiO2Photocatalyst Powder via Sol-Gel Method: Effect of Hydrolysis Degree on Powder Properties

2009 ◽  
Vol 2009 ◽  
pp. 1-8 ◽  
Author(s):  
Nor Hafizah ◽  
Iis Sopyan
Keyword(s):  
Crystal Structure ◽  
Surface Area ◽  
Sol Gel ◽  
Xrd Analysis ◽  
Gel Method ◽  
Sol Gel Method ◽  
Hydrolysis Degree ◽  
Method Effect ◽  
Powder Properties ◽  
Dta Curves

NanosizedTiO2powder was synthesized via sol-gel method using titanium tetraisopoxide (TPT) as the precursor. Mol ratios of water to TPT were varied from 1 (Powder A), 2 (Powder B), 3 (Powder C), and 4 (Powder D) to evaluate effect of hydrolysis degree. TG/DTA curves showed that amorphous phase turned to anatase crystal structure at ca. 415, 337, 310, and339∘C for Powders A, B, C, and D, respectively. XRD analysis showed that all the synthesizedTiO2powders were 100% in anatase form with Powders B and C showing considerably higher crystallinities. The powders obtained at lower water to TPT mol ratios were spherical in shape and they became bar-like shapes higher mol ratios. The lower hydrolysis degree led to higher surface area of the Powder A (24.8 m2/g) compared to Powder B (14.6 m2/g). From phenol photocatalytic measurement, Powder B was the most efficient attributed to its higher crystallinity.

scholarly journals Photocatalytic conversion of CO2 into methanol: Significant enhancement of the methanol yield over Bi2S3/CdS photocatalyst

2015 ◽  
Vol 2 (1) ◽  
Author(s):  
M.Rahim Uddin ◽  
Maksudur R. Khan ◽  
M. Wasikur Rahman ◽  
Chin Kui Cheng ◽  
Abu Yousuf
Keyword(s):  
Carbon Dioxide ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Sol Gel ◽  
Light Irradiation ◽  
Significant Enhancement ◽  
Gel Method ◽  
Sol Gel Method ◽  
Photocatalytic Activities ◽  
Carbon Dioxide Co2

The present work is a significant approach to explore the photo-conversion of carbon dioxide (CO2) into methanol on Bi2S3/Cds photocatalyst under visible light irradiation. In this perspective, Bi2S3 nanoparticles have been successfully synthesized via corresponding salt and thiourea assisted sol-gel method. An innovative hetero-system Bi2S3/CdS has been proposed to achieve methanol photo evolution and its photocatalytic activities have been investigated.

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