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Priority claimed from FI991401Aexternal-prioritypatent/FI991401A/en
Application filed by Andritz Ahlstrom OyfiledCriticalAndritz Ahlstrom Oy
Priority to FI992303ApriorityCriticalpatent/FI19992303A/en
Priority to SE0003874Aprioritypatent/SE519342C2/en
Publication of FI19992303ApublicationCriticalpatent/FI19992303A/en
Pulping process with recirculation of filtrate from washing step, involves temperature conditioning the mixture of soap and filtrate before separating the soap from the filtrate