Title:
【発明の名称】セルロースエーテルの分離方法
Document Type and Number:
Japanese Patent JP2895084
Kind Code:
B2
Abstract:
In a process for isolating cellulose ethers, especially cellulose ethers with plastic properties and/or high flocculation point, from a cellulose ether suspension in which the cellulose ethers are separated out as filter cake by pressure filtration, especially in a rotary pressure filter, the intention is to avoid blockage of the separating device and for the separating device to have a long useful life.
This is achieved by carrying out the isolation in a rotary pressure filter (I) with a multilayer, preferably sintered, metal wire gauze (8) as filter medium, where the wire gauze (8) is formed from gauze layers of different wire thickness and/or mesh width, and by purifying the filter medium after removal of the filter cake with steam, compressed air or water under pressure.
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| JPS59104298 | ENDLESS TRACKED BELT PRESS |
Inventors:
GYUNTAA YUSUTO
BIIRI BUYUUSUTO
BIIRI BUYUUSUTO
Application Number:
JP2652689A
Publication Date:
May 24, 1999
Filing Date:
February 03, 1989
Export Citation:
Assignee:
AKUARON GMBH UNTO CO KG
International Classes:
B01D33/06; B01D33/073; B01D33/58; B01D35/31; B01D39/12; C08B11/22; (IPC1-7): C08B11/22; B01D33/06; B01D39/12
Domestic Patent References:
| JPS57117501A | ||||
| JPS59156407A |
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)