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A. Alhstrom Corporation Patents |
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Assignee: A. Alhstrom Corporation
Address: Noormarkku, FI
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5425412 |
Method and apparatus for operating a circulating fluidized bed reactor system |
June 20, 1995 |
| A circulating fluidized bed (CFB) system and method of operation provide for improved heat recovery. One or more return ducts from a particle separator attached to the combustion chamber have a heat transfer section with heat transfer surfaces. Low velocity fluidizing gas is introduced |
| 5116423 |
Apparatus for washing pulp |
May 26, 1992 |
| The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface to form a substantially continuous layer; and washing liquid is supplied to the pulp layer and passed in several s |
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