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Inventor: Andtbacka; Stig
Address: Karlstad, SE
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5672245 |
Recycling of knots in a continuous process for cooking chemical pulp |
September 30, 1997 |
| The present invention relates to a process for continuous cooking of chemical pulp, in which the chips are fed into a chip chute (3), which is arranged on top of a high pressure feeder (4) for passing the chips into a downstream, pressurized continuous digester housing comprising a verti |
| 5540816 |
Method of integrating bleaching and recovery in the production of pulp |
July 30, 1996 |
| A method of integrating bleaching and recovery in connection with the production of chemical pulp that has been digested and preferably delignified with oxygen gas using processes that retain the viscosity and strength, to kappa number less than 16 without the use of chemicals contai |
| 5415734 |
Process for bleaching pulp without using chlorine containing chemicals |
May 16, 1995 |
| A process is disclosed for bleaching pulp without chlorine containing chemicals and for greatly reducing total washing filtrate discharge, comprising the steps of: 1) sending pulp that has been subjected to continuous digestion, oxygen-delignification and then washing, through a wash |
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