METHOD OF HYDROTHERMAL OXIDATION REACTION

PROBLEM TO BE SOLVED: To provide a method of a hydrothermal oxidation reaction wherein a hydrothermal reactor can be operated safely and for a long term by reducing corrosion thereof and at low cost by reducing the used amount of a neutralizing agent. SOLUTION: Waste liquid A and waste liquid B are...

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Bibliographic Details
Main Author OBUSE HIROSHI
Format Patent
LanguageEnglish
Published 26.08.2003
Edition7
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:PROBLEM TO BE SOLVED: To provide a method of a hydrothermal oxidation reaction wherein a hydrothermal reactor can be operated safely and for a long term by reducing corrosion thereof and at low cost by reducing the used amount of a neutralizing agent. SOLUTION: Waste liquid A and waste liquid B are introduced through a passage 11 and a passage 12, respectively, to a mixing vessel 1 and mixed with each other in such a manner that the value Z represented by equation (1) (wherein [Na], [K],... each denotes molar concentration of each atom contained in mixed waste liquid) satisfies -0.01≤Z≤+0.01. The mixed waste liquid 13 is sent to a supplying apparatus 2a of the hydrothermal reactor 2 and mixed with an oxidizing agent there and the mixed flow thereof is supplied to the hydrothermal reactor 2 in downward flow to perform the hydrothermal oxidation reaction. COPYRIGHT: (C)2003,JPO
Bibliography:Application Number: JP20020039344