METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION

D.N. 2473 METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION A process is described for monitoring pH in caustic liquor wet oxidation systems. An offgas carbon dioxide baseline value is established for the operation system where oxidized liquid effluent is at pH 7 or above. Offgas carbon dioxid...

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Main Author MOMONT, JOSEPH A
Format Patent
LanguageEnglish
French
Published 02.10.1993
Edition5
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract D.N. 2473 METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION A process is described for monitoring pH in caustic liquor wet oxidation systems. An offgas carbon dioxide baseline value is established for the operation system where oxidized liquid effluent is at pH 7 or above. Offgas carbon dioxide content deviating by a selected proportion above the baseline vale indicates a drop in liquid effluent pH to 7 or less. Sufficient alkalinity is added to the raw wastewater to bring the effluent pH to 7 or above and prevent excessive corrosion to the materials of construction of the nickel-based wet oxidation system.
AbstractList D.N. 2473 METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION A process is described for monitoring pH in caustic liquor wet oxidation systems. An offgas carbon dioxide baseline value is established for the operation system where oxidized liquid effluent is at pH 7 or above. Offgas carbon dioxide content deviating by a selected proportion above the baseline vale indicates a drop in liquid effluent pH to 7 or less. Sufficient alkalinity is added to the raw wastewater to bring the effluent pH to 7 or above and prevent excessive corrosion to the materials of construction of the nickel-based wet oxidation system.
Author MOMONT, JOSEPH A
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DocumentTitleAlternate METHODE DE CONTROLE DU PH EN PROCEDE D'OXYDATION DE LIQUEUR CAUSTIQUE
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Snippet D.N. 2473 METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION A process is described for monitoring pH in caustic liquor wet oxidation systems. An offgas...
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SubjectTerms CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Title METHOD OF MONITORING PH IN CAUSTIC LIQUOR WET OXIDATION
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