JP7480283B2 - メソ孔が含まれた階層構造の分離膜、その製造方法及びそれを用いたキシレンの分離方法 - Google Patents
メソ孔が含まれた階層構造の分離膜、その製造方法及びそれを用いたキシレンの分離方法 Download PDFInfo
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- B01D2325/02—Details relating to pores or porosity of the membranes
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Description
製造例1:階層構造のゼオライト膜の合成
Claims (11)
- MFI種層が形成された支持体上に、有機構造誘導体としてのテトラアルキルホスホニウム塩:SiO2:H2O=5~50:5~500:1,000~50,000のモル比に構成された二次成長溶液を添加して水熱合成させる段階を含む、階層的構造のゼオライト分離膜の製造方法、であって前記階層的構造のゼオライト分離膜は、0.1~5μmの厚さを有し、2nm以下の微細孔及び2~20nmサイズのメソ孔を含む、階層的構造のゼオライト分離膜の製造方法。
- 前記テトラアルキルホスホニウム塩は、TBPOH、TBPF、TBPBr、TBPCl、TBPI、TPPOH、TPPF、TPPBr、TPPCl、TPPI、TEPOH、TEPF、TEPBr、TEPCl及びTEPIからなる群から選択される1種以上であることを特徴とする、請求項1に記載の階層的構造のゼオライト分離膜の製造方法。
- 前記水熱合成は、70~175℃の温度で12~240時間行われることを特徴とする、請求項1に記載の階層的構造のゼオライト分離膜の製造方法。
- 前記水熱合成は、1回又は2回行われることを特徴とする、請求項1に記載の階層的構造のゼオライト分離膜の製造方法。
- 前記水熱合成後に、分離膜を30~200℃の温度で1~24時間乾燥させる段階をさらに含む、請求項1に記載の階層的構造のゼオライト分離膜の製造方法。
- 前記乾燥後に、分離膜を10~1,000mL/min-1の空気の流れ下で0.2~10℃/min-1の上昇速度で350~650℃で6~48時間焼成させ、分離膜内部に残っている有機構造誘導体を除去する段階をさらに含む、請求項5に記載の階層的構造のゼオライト分離膜の製造方法。
- 前記支持体は、アルミナ、ポリプロピレン、ポリエチレン、ポリテトラフルオロエチレン、ポリスルホン、ポリイミド、シリカ、グラスガンマ-アルミナ、ムライト(mullite)、ジルコニア(zirconia)、チタニア(titania)、イットリア(yttria)、セリア(ceria)、バナジア(vanadia)、シリコン、ステンレススチール及びカーボンからなる群から選ばれる1種以上であることを特徴とする、請求項1に記載の階層的構造のゼオライト分離膜の製造方法。
- 請求項1~7のいずれか一項に記載の階層的構造のゼオライト分離膜の製造方法によって製造される階層的構造のゼオライト分離膜。
- 請求項8に記載の階層的構造のゼオライト分離膜を用いてキシレン異性体を含む芳香族炭化水素の混合物からp-キシレンを分離するp-キシレンの分離方法。
- 前記キシレン異性体は、p-キシレン、m-キシレン、o-キシレン、又はエチルベンゼンであることを特徴とする、請求項9に記載のp-キシレンの分離方法。
- 100℃以上の温度で行われることを特徴とする、請求項9に記載のp-キシレンの分離方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0118060 | 2019-09-25 | ||
| KR1020190118060A KR102267466B1 (ko) | 2019-09-25 | 2019-09-25 | 메조기공이 포함된 계층구조의 분리막, 그 제조방법 및 이를 이용한 크실렌의 분리방법 |
| PCT/KR2020/013000 WO2021060887A1 (ko) | 2019-09-25 | 2020-09-24 | 메조기공이 포함된 계층구조의 분리막, 그 제조방법 및 이를 이용한 크실렌의 분리방법 |
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| Publication Number | Publication Date |
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| JP2022551428A JP2022551428A (ja) | 2022-12-09 |
| JP7480283B2 true JP7480283B2 (ja) | 2024-05-09 |
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| JP2022519052A Active JP7480283B2 (ja) | 2019-09-25 | 2020-09-24 | メソ孔が含まれた階層構造の分離膜、その製造方法及びそれを用いたキシレンの分離方法 |
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| Country | Link |
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| US (2) | US12214320B2 (ja) |
| JP (1) | JP7480283B2 (ja) |
| KR (1) | KR102267466B1 (ja) |
| DE (1) | DE112020004543T5 (ja) |
| WO (1) | WO2021060887A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117282273A (zh) * | 2023-10-19 | 2023-12-26 | 常州大学 | 一种由mfi和mel共生形成的多级孔沸石膜的制备方法和应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010180080A (ja) | 2009-02-04 | 2010-08-19 | Ngk Insulators Ltd | ゼオライト膜の製造方法 |
| WO2018180210A1 (ja) | 2017-03-28 | 2018-10-04 | 日本ゼオン株式会社 | 膜再生方法 |
| JP2018158909A (ja) | 2017-03-23 | 2018-10-11 | Jxtgエネルギー株式会社 | 炭化水素化合物の分離方法 |
| JP2019509968A (ja) | 2016-03-24 | 2019-04-11 | フリードリヒ−アレクサンダー−ウニヴェルシテート エアランゲン−ニュルンベルク | 階層的多孔性を有するゼオライトベースの複合材料の製造 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6376733B1 (en) | 1996-01-25 | 2002-04-23 | Exxonmobil Chemical Patents Inc. | Process for production of paraxylene |
| JP2002069012A (ja) | 2000-08-23 | 2002-03-08 | Ngk Insulators Ltd | p−キシレンの分離方法 |
| FR2922547B1 (fr) | 2007-10-18 | 2012-09-21 | Inst Francais Du Petrole | Procede de separation d'aromatiques en c8 avec recyclage limite |
| US9731249B2 (en) * | 2014-04-15 | 2017-08-15 | Ut-Battelle, Llc | Polymeric molecular sieve membranes for gas separation |
| US9873094B2 (en) * | 2015-08-14 | 2018-01-23 | Ut-Battelle, Llc | Cross-linked polymeric membranes for carbon dioxide separation |
| KR101927889B1 (ko) * | 2017-01-03 | 2018-12-11 | 고려대학교 산학협력단 | Ddr 유형 제올라이트 분리막의 제조방법 및 이로부터 제조된 분리막 |
| US12370495B2 (en) * | 2021-06-17 | 2025-07-29 | Ut-Battelle, Llc | Fluorinated nanoporous molecular sieve membranes for efficient gas separation |
| CN114570436A (zh) * | 2022-03-22 | 2022-06-03 | 北京师范大学珠海校区 | 一种高效稳定多层次分子筛中空纤维催化膜的制备方法 |
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2019
- 2019-09-25 KR KR1020190118060A patent/KR102267466B1/ko active Active
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2020
- 2020-09-24 JP JP2022519052A patent/JP7480283B2/ja active Active
- 2020-09-24 WO PCT/KR2020/013000 patent/WO2021060887A1/ko not_active Ceased
- 2020-09-24 DE DE112020004543.9T patent/DE112020004543T5/de active Pending
- 2020-09-24 US US17/763,628 patent/US12214320B2/en active Active
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- 2024-10-28 US US18/928,720 patent/US20250050282A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010180080A (ja) | 2009-02-04 | 2010-08-19 | Ngk Insulators Ltd | ゼオライト膜の製造方法 |
| JP2019509968A (ja) | 2016-03-24 | 2019-04-11 | フリードリヒ−アレクサンダー−ウニヴェルシテート エアランゲン−ニュルンベルク | 階層的多孔性を有するゼオライトベースの複合材料の製造 |
| JP2018158909A (ja) | 2017-03-23 | 2018-10-11 | Jxtgエネルギー株式会社 | 炭化水素化合物の分離方法 |
| WO2018180210A1 (ja) | 2017-03-28 | 2018-10-04 | 日本ゼオン株式会社 | 膜再生方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250050282A1 (en) | 2025-02-13 |
| DE112020004543T5 (de) | 2022-06-15 |
| KR102267466B1 (ko) | 2021-06-22 |
| JP2022551428A (ja) | 2022-12-09 |
| KR20210036077A (ko) | 2021-04-02 |
| US12214320B2 (en) | 2025-02-04 |
| WO2021060887A1 (ko) | 2021-04-01 |
| US20220331748A1 (en) | 2022-10-20 |
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