Invention Grant
US07803342B2 Process for recycling high-boiling compounds within an integrated chlorosilane system
有权
在一体化氯硅烷系统内回收高沸点化合物的方法
- Patent Title: Process for recycling high-boiling compounds within an integrated chlorosilane system
- Patent Title (中): 在一体化氯硅烷系统内回收高沸点化合物的方法
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Application No.: US12281551Application Date: 2007-02-21
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Publication No.: US07803342B2Publication Date: 2010-09-28
- Inventor: Uwe Paetzold , Markus Niemetz
- Applicant: Uwe Paetzold , Markus Niemetz
- Applicant Address: DE Munich
- Assignee: Wacker Chemie AG
- Current Assignee: Wacker Chemie AG
- Current Assignee Address: DE Munich
- Agency: Brooks Kushman P.C.
- Priority: DE102006009953 20060303
- International Application: PCT/EP2007/051665 WO 20070221
- International Announcement: WO2007/101790 WO 20070913
- Main IPC: C01B33/12
- IPC: C01B33/12
Abstract:
Highly pure pyrogenic silica is produced in an integrated polycrystalline silicon production plant by separating offgas from polycrystalline silicon production into a high boiler fraction, vaporizing this fraction into a pyrogenic silica burner and reacting with air and/or oxygen and hydrogen to form pyrogenic silica.
Public/Granted literature
- US20090053123A1 PROCESS FOR RECYCLING HIGH-BOILING COMPOUNDS WITHIN AN INTEGRATED CHLOROSILANE SYSTEM Public/Granted day:2009-02-26
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