Invention Grant
- Patent Title: Denitrification catalyst regeneration method
- Patent Title (中): 脱氮催化剂再生方法
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Application No.: US12081548Application Date: 2008-04-17
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Publication No.: US07666808B2Publication Date: 2010-02-23
- Inventor: Yoshiaki Obayashi , Toshio Koyanagi , Masanori Demoto
- Applicant: Yoshiaki Obayashi , Toshio Koyanagi , Masanori Demoto
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Heavy Industries, Ltd.
- Current Assignee: Mitsubishi Heavy Industries, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2003-429392 20031225
- Main IPC: B01J38/60
- IPC: B01J38/60
Abstract:
A denitrification catalyst regeneration method comprises heat-treating a used denitrification catalyst, then cleaning the denitrification catalyst with an aqueous solution of oxalic acid, and then finish washing the denitrification catalyst with water to regenerate the denitrification catalyst.
Public/Granted literature
- US20080220966A1 Denitrification catalyst regeneration method Public/Granted day:2008-09-11
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