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Wang H, Li M, Chen H, Fu Y, Shen J. Selective Synthesis of Bisphenol F from Phenol and PODE 2 over an Acidic Resin–Carbon Composite Material. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hui Wang
- Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Mingshi Li
- Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hui Chen
- Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yuchuan Fu
- Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jianyi Shen
- Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Urkasame K, Yoshida S, Takanohashi T, Iwamura S, Ogino I, Mukai SR. Development of TiO 2-SiO 2 Photocatalysts Having a Microhoneycomb Structure by the Ice Templating Method. ACS OMEGA 2018; 3:14274-14279. [PMID: 31458118 PMCID: PMC6644808 DOI: 10.1021/acsomega.8b01880] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 10/18/2018] [Indexed: 06/10/2023]
Abstract
Immobilization of TiO2-based photocatalysts usually suffers from lowered surface area and mass transfer limitation compared with their suspended counterpart. In this work, TiO2-SiO2 monolithic photocatalysts having straight macropores, called microhoneycombs, were synthesized. The obtained samples had straight macropores with a diameter in the range of 15-40 μm formed by walls having a thickness up to 5 μm. The samples also contain micropores and small mesopores inside their walls, which contribute to high surface areas of more than 500 m2 g-1. Synthesized photocatalysts were tested in a continuous flow system using the decolorization of methylene blue as a model reaction. It was found that the unique morphology of the samples can be used to promote the uniform distribution of the target fluid while reducing the pressure drop across the photocatalyst to less than a hundredth compared with a packed bed system. In addition, calcination at 600-800 °C improved the strength and photocatalytic activity of the monoliths while preserving the high surface area of the samples.
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Affiliation(s)
- Kasama Urkasame
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Seiichiro Yoshida
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
- Department
of Environmental Process Engineering, Hokkaido
Industrial Research Institute, N19W11, Kita-ku, Sapporo 060-0819, Japan
| | - Taihei Takanohashi
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Shinichiroh Iwamura
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Isao Ogino
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Shin R. Mukai
- Division
of Applied Chemistry, Graduate School of Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
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3
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Murakami K, Satoh Y, Ogino I, Mukai SR. Synthesis of a Monolithic Carbon-Based Acid Catalyst with a Honeycomb Structure for Flow Reaction Systems. Ind Eng Chem Res 2013. [DOI: 10.1021/ie400656x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kazuhiro Murakami
- Division of Chemical Process
Engineering, Graduate School of Engineering, Hokkaido University, N13W8, Kita-Ku, Sapporo, Hokkaido 060-8628,
Japan
| | - Yoshitaka Satoh
- Division of Chemical Process
Engineering, Graduate School of Engineering, Hokkaido University, N13W8, Kita-Ku, Sapporo, Hokkaido 060-8628,
Japan
| | - Isao Ogino
- Division of Chemical Process
Engineering, Graduate School of Engineering, Hokkaido University, N13W8, Kita-Ku, Sapporo, Hokkaido 060-8628,
Japan
| | - Shin R. Mukai
- Division of Chemical Process
Engineering, Graduate School of Engineering, Hokkaido University, N13W8, Kita-Ku, Sapporo, Hokkaido 060-8628,
Japan
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4
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Preparation of Acidic Resin-Carbon Composite Material through the Sulfonation and Carbonization of Polyphenyl. CHINESE JOURNAL OF CATALYSIS 2011. [DOI: 10.3724/sp.j.1088.2011.01204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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