PROCESSING METHOD OF WASTE WATER AND EQUIPMENT THEREFOR

PROCESSING METHOD OF WASTE WATER AND EQUIPMENT THEREFOR

PROBLEM TO BE SOLVED: To provide a novel processing method of a kraft pulp bleaching process waste water or waste water containing the kraft pulp bleaching process waste water and further to provide a nobel effectively utilizing method of ozone exhaust gas discharged from an ozone bleaching step in...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ITO HITOSHI, ISHIZAKI MIKIO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a novel processing method of a kraft pulp bleaching process waste water or waste water containing the kraft pulp bleaching process waste water and further to provide a nobel effectively utilizing method of ozone exhaust gas discharged from an ozone bleaching step in a kraft pulp bleaching process. SOLUTION: The kraft pulp bleaching process waste water or the waste water containing the kraft pulp bleaching process waste water is treated by adding the ozone exhaust gas discharged from the ozone bleaching step in the kraft pulp bleaching process thereto. COPYRIGHT: (C)2004,JPO