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1.
公开(公告)号:US20200299249A1
公开(公告)日:2020-09-24
申请号:US16362172
申请日:2019-03-22
Applicant: ACADEMIA SINICA
Inventor: Po-Wen CHUNG , Prasenjit BHAUMIK , Hao-Ju CHOU
IPC: C07D307/46 , B01J8/06 , B01D3/10
Abstract: This invention relates to a novel molten salt system in chemical transformation of saccharides and a method as well as an apparatus for multi carbon production by the molten salt system. It is found that an eutectic molten salt composition is advantageous for multi-carbon productions through chemical transformation under mild conditions. This invention further provides a method and an apparatus for preparing 5-hydroxymethylfurfural (HMF) and HMF-derived chemicals from saccharides by the said molten salt system.
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公开(公告)号:US20240207814A1
公开(公告)日:2024-06-27
申请号:US18427379
申请日:2024-01-30
Applicant: Academia Sinica
Inventor: Jia-Hui WANG , Hao-Ju CHOU , Po-Wen CHUNG
IPC: B01J20/20 , B01D53/02 , B01J20/28 , B01J20/30 , B01J27/02 , B01J31/04 , B01J37/20 , C01B32/318 , C01B32/354
CPC classification number: B01J20/20 , B01D53/02 , B01J20/28059 , B01J20/3071 , B01J20/3078 , B01J20/3085 , B01J27/02 , B01J31/04 , B01J37/20 , C01B32/318 , C01B32/354 , B01D2253/102 , C01P2002/72 , C01P2002/76 , C01P2002/78 , C01P2002/82 , C01P2002/85
Abstract: Disclosed is a modified carbonaceous material, which includes hexagonal carbon networks in a layered stacking structure and acidic functional groups bonded to the hexagonal carbon networks and mainly existing at edges of the layered carbonaceous structure. Accordingly, the close proximity of acid moiety at the edges can resemble the center of hydrolysis enzymes, resulting in enhancement of hydrolytic efficiency. Additionally, the acid-functionalized carbonaceous material can also be applied in the capture and storage of carbon dioxide due to its unexpectedly higher capacity for CO2 molecular.
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公开(公告)号:US20220064201A1
公开(公告)日:2022-03-03
申请号:US17459350
申请日:2021-08-27
Applicant: Academia Sinica
Inventor: Po-Wen CHUNG , Chia-Hui WU , Yi-Shiuan TSAI , Chun-An HSIEH
Abstract: Disclosed is a stabilized acyclic saccharide composite, which includes a LDH-based (layered double hydroxide-based) material and acyclic saccharides intercalated in interlayer regions of the LDH-based material. The acyclic saccharides stabilized and trapped in the LDH-based material give an opportunity for direct functionalization to other valuable molecules in the pharmaceutical, chemical or carbohydrate industries. Further, a novel pathway for saccharide transformation and aldol condensation without the drawbacks associated with enzymatic catalysts is achieved through the acyclic saccharides trapped by the LDH-based material.
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公开(公告)号:US20230022210A1
公开(公告)日:2023-01-26
申请号:US17946651
申请日:2022-09-16
Applicant: Academia Sinica
Inventor: Po-Wen CHUNG , Meng-Xun WU
Abstract: Metal oxides-silica composite materials are synthesized by a co-precipitation method to serve as modified catalysts for converting ethanol into four-carbon hydrocarbons. The method includes mixing a liquid-phase silicon source and a metal precursor at different ratios so as to change the acid-base composition of the composite materials and thereby increase selectivity with respect to the four-carbon products.
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公开(公告)号:US20200346201A1
公开(公告)日:2020-11-05
申请号:US16454893
申请日:2019-06-27
Applicant: Academia Sinica
Inventor: Po-Wen CHUNG , Meng-Xun WU
Abstract: Metal oxides-silica composite materials are synthesized by a co-precipitation method to serve as modified catalysts for converting ethanol into four-carbon hydrocarbons. The method includes mixing a liquid-phase silicon source and a metal precursor at different ratios so as to change the acid-base composition of the composite materials and thereby increase selectivity with respect to the four-carbon products.