Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
162 3011, D21C 1112
The present invention relates to a method of improving the operation of a boiler plant in a chemical pulp mill. At least part of the black liquor flow of the chemical pulp mill is divided into several batches being substantially in a solid form, which are mechanically turned into substantially equal-sized pieces for deeding into the recovery boiler and for combustion taking place therein. Waste liquor batches may be stored prior to the combustion. The invention also relates to a system for carrying out the method.
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Trobeck, The BT-System for Soda and Heat Recovery in Sulphate Pulp Mills, Paper Trade Journal, No. 16, Apr. 1950.
Ahlstrom Machinery Oy
Nguyen Dean T.
Silverman Stanley S.
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