Title:
わらまたは他の軽量嵩高材料の処理容器
Document Type and Number:
Japanese Patent JP5108712
Kind Code:
B2
Abstract:
A method to chemically treat light weight, bulky cellulosic material including: introducing the material to an upper inlet of a substantially vertical treatment vessel; maintaining the material in the vessel at a pressure of at least 20 bar and at a temperature of at least 200°C; treating the material with a cooking liquor in the vessel; moving the material past at least one anti-compression ring on an inside surface of the vessel, as the material moves downward through the vessel; agitating the material in the vessel, and discharging the treated material from a lower discharge port of the vessel.
Inventors:
Bertil Stromberg
Application Number:
JP2008258453A
Publication Date:
December 26, 2012
Filing Date:
October 03, 2008
Export Citation:
Assignee:
Andritz Inc.
International Classes:
D21C7/00
Domestic Patent References:
| JP6257080A | ||||
| JP2000119982A | ||||
| JP11140783A | ||||
| JP2000273781A |
Foreign References:
| US4124440 |
Attorney, Agent or Firm:
Shizuo Nakamura