Invention Grant
- Patent Title: MSE-type zeolite production method
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Application No.: US16096207Application Date: 2017-04-26
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Publication No.: US10526209B2Publication Date: 2020-01-07
- Inventor: Keiji Itabashi , Shanmugam Palani Elangovan , Sibel Sogukkanli , Tatsuya Okubo
- Applicant: MITSUI MINING & SMELTING CO., LTD. , The University of Tokyo
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: MITSUI MINING & SMELTING CO., LTD.,The University of Tokyo
- Current Assignee: MITSUI MINING & SMELTING CO., LTD.,The University of Tokyo
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2016-088588 20160426
- International Application: PCT/JP2017/016605 WO 20170426
- International Announcement: WO2017/188341 WO 20171102
- Main IPC: C01B39/48
- IPC: C01B39/48 ; B01J29/70 ; B01J37/10 ; B01J29/04 ; B01J35/10

Abstract:
The objective of the invention is to provide an MSE-type zeolite production method such that an MSE-type zeolite can be produced in a comparatively short heating time by using inexpensive tetraethylammonium ion. The production method of the present invention comprises steps of: (1) mixing a silica source, an alumina source, an alkali source, tetraethylammonium ion, and water in such a manner as to yield a reaction mixture of the composition represented by the molar ratios indicated below: SiO2/Al2O3=between 10 and 100 inclusive (Na2O+K2O)/SiO2=between 0.15 and 0.50 inclusive K2O/(Na2O+K2O)=between 0.05 and 0.7 inclusive TEA2O/SiO2=between 0.08 and 0.20 inclusive H2O/SiO2=between 5 and 50 inclusive; (2) using the MSE-type zeolite as a seed crystal, and adding this seed crystal to the mixture at a proportion of 5 to 30% by mass with respect to the silica component in the reaction mixture; and (3) heating, under hermetic seal at a temperature of 100 to 200° C., the reaction mixture whereto the seed crystal has been added.
Public/Granted literature
- US20190135647A1 MSE-TYPE ZEOLITE PRODUCTION METHOD Public/Granted day:2019-05-09
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