リガンド誘発のパームセレクティブによって作られたゼオリスイイミダゾラート枠膜
Xiaoli Ma1, Prashant Kumar2, Nitish Mittal2
1Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Avenue SE, Minneapolis, MN 55455, USA. tsapatsis@umn.edu maxx0183@umn.edu.
Science (New York, N.Y.)
|September 8, 2018
まとめ
研究者は,蒸気相処理を用いたゼオリティク・イミダゾレート・フレームワーク (ZIF) 膜の製造のためのスケーラブルな方法を開発した. この技術は,プロピレン/プロパンなどのエネルギー効率の高い分離のための高性能ZIF膜を可能にします.
科学分野:
- 材料科学
- 化学工学
- 膜技術
背景:
- ゼオリックイミダゾラートフレーム (ZIF) 膜は,エネルギー効率の良い分離の可能性を示しています.
- 信頼性の高いスケーラブルな製造には 課題があります
- 先進的な膜製造は産業用アプリケーションに不可欠です.
研究 の 目的:
- ZIFナノ複合膜の製造のための新しい,スケーラブルな方法を実証する.
- エネルギー密集型分離のためのZIF膜で高性能を達成する.
- 現在のZIF膜製造の限界を克服するために
主な方法:
- 全蒸気相処理技術を使用した.
- ポーラスのサポート内でのZnOの原子層の堆積 (ALD) を採用した.
- ZIF形成のためのリガンド蒸気 (2-メチリミダゾール) による後続的処理を施した.
主要な成果:
- ALDで堆積したZnOナノ複合物は,当初非選択的であり,低流量であった.
- リガンド蒸気処理により,材料はZIFに変換され,選択性と流動性が向上しました.
- プロパンとプロピレンの高流量に対するプロピレンの高い分離因数を達成した.
- シンプルで再現可能でスケーラブルな膜合成方法を示した.
結論:
- リガンド誘発型パーマセレクティビゼーションは,ZIF膜製造の効果的な戦略である.
- 開発された全蒸気相法では,スケーラブルで再現可能な経路を提供します.
- このアプローチは,エネルギー効率の良い分離における産業用アプリケーションに大きな期待を寄せている.
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