Title:
BIOLOGICAL TREATMENT APPARATUS AND ITS OPERATION METHOD
Document Type and Number:
Japanese Patent JP2021010859
Kind Code:
A
Abstract:
To provide a biological treatment device equipped with a gas dissolution membrane module in a reaction tank, in which high biotreatment efficiency is maintained by maintaining a gas dissolution rate of the gas dissolution membrane module by preventing a formation of condensed water in the gas dissolution membrane.SOLUTION: A temperature of a supply air gas to a gas dissolution membrane module 2 is maintained higher than a temperature of water in a reaction tank 1. Temperature T1 of the supply air gas, temperature T2 of an exhaust gas, and temperature T3 of water in the tank are measured using thermometers 4, 5 and 6, and a supply pressure and an air volume of a blower 3 are adjusted so that T1 and T2 are higher than T3 by 2°C or higher.SELECTED DRAWING: Figure 1
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Inventors:
KOMATSU KAZUYA
SAWAMURA DAICHI
FUKASE TETSURO
SAWAMURA DAICHI
FUKASE TETSURO
Application Number:
JP2019125363A
Publication Date:
February 04, 2021
Filing Date:
July 04, 2019
Export Citation:
Assignee:
KURITA WATER IND LTD
International Classes:
C02F3/34; B01F1/00
Attorney, Agent or Firm:
Tsuyoshi Shigeno
Takayuki Shigeno
Takayuki Shigeno