Invention Grant
US09567360B2 Process for production of precipitated lignin from black liquor and precipitated lignin produced by the process
有权
用于从黑液中生产沉淀的木质素并通过该方法生产沉淀的木质素的方法
- Patent Title: Process for production of precipitated lignin from black liquor and precipitated lignin produced by the process
- Patent Title (中): 用于从黑液中生产沉淀的木质素并通过该方法生产沉淀的木质素的方法
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Application No.: US13808398Application Date: 2011-07-07
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Publication No.: US09567360B2Publication Date: 2017-02-14
- Inventor: Mikael Hannus , Maria Björk , Niklas Garoff , Ingrid Englund
- Applicant: Mikael Hannus , Maria Björk , Niklas Garoff , Ingrid Englund
- Applicant Address: FI Helsinki
- Assignee: Stora Enso OYJ
- Current Assignee: Stora Enso OYJ
- Current Assignee Address: FI Helsinki
- Agency: Greer, Burns & Crain, Ltd.
- International Application: PCT/SE2011/050920 WO 20110707
- International Announcement: WO2012/005677 WO 20120112
- Main IPC: C07G1/00
- IPC: C07G1/00 ; D21C11/00 ; C08H7/00
Abstract:
The present invention relates to a process tor the production of precipitated lignin from black liquor wherein the process comprises the steps of providing a black liquor stream treating the black liquor at an increased temperature and precipitating the lignin from the heat treated black liquor. The present invention further relates to precipitated lignin produced according to the process and use of the precipitated lignin produced.
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