Invention Grant
- Patent Title: Process for producing a pulp
- Patent Title (中): 生产纸浆的方法
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Application No.: US12300024Application Date: 2007-05-09
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Publication No.: US08500956B2Publication Date: 2013-08-06
- Inventor: Herbert Sixta , Andrea Promberger , Andrea Borgards , Roland Möslinger
- Applicant: Herbert Sixta , Andrea Promberger , Andrea Borgards , Roland Möslinger
- Applicant Address: AT Lenzing
- Assignee: Lenzing Aktiengesellschaft
- Current Assignee: Lenzing Aktiengesellschaft
- Current Assignee Address: AT Lenzing
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: ATA807/2006 20060510
- International Application: PCT/AT2007/000224 WO 20070509
- International Announcement: WO2007/128026 WO 20071115
- Main IPC: D21C9/00
- IPC: D21C9/00 ; D21C1/02 ; C08B16/00

Abstract:
The invention relates to a process for producing a dissolving pulp from a cellulosic starting material using the kraft process, comprising the step of cooking the starting material with a cooking liquor. The process according to the invention characterized in that the starting material is exposed to a steam treatment prior to cooking and that the pulp obtained by cooking is subjected to cold caustic extraction (CCE) in the course of further processing.
Public/Granted literature
- US20090312536A1 Process For Producing A Pulp Public/Granted day:2009-12-17
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