Development of inorganic based reverse osmosis membranes for acetic acid separation
Project/Area Number |
15K06548
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Properties in chemical engineering process/Transfer operation/Unit operation
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Research Institution | Shibaura Institute of Technology |
Principal Investigator |
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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Keywords | 無機系逆浸透膜 / 対向拡散CVD法 / 酢酸 / 酸安定性 / 膜分離 / シリカ膜 / 逆浸透 / 耐酸性 / オゾン濃度 / シリカ複合膜 / 逆浸透分離 / 熱分解 / シリカ多孔体 / Ga添加 |
Outline of Final Research Achievements |
Inorganic reverse osmosis membranes for acid separation have been developed. The membranes were prepared by using a counter diffusion CVD method using Diphenyldimethoxysilane having two phenyl groups as a silica source. High rejection of sulfuric acid over 90 % with the total flux of 17.6 kg m-2 h-1 was found through the membrane deposited at 270 °C. The flux was more than three times higher than the target flux. Next, the influence on the sulfuric acid durability was investigated by changing the membrane substrates. The membrane deposited on a γ-alumina substrate showed no selectivity after immersion in sulfuric acid for 48 hours, while the membrane deposited on a silica substrate kept its selectivity. We found that the membrane substrates have a great influence on acid durability.
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Report
(4 results)
Research Products
(25 results)
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[Presentation] 無機逆浸透膜による酸分離2016
Author(s)
竹内淳登,北尾裕樹,池田歩,野村幹弘
Organizer
分離技術会 年会2016
Place of Presentation
日本大学生産工学部津田沼キャンパス
Year and Date
2016-05-27
Related Report
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