Water treatment equipment and water treatment process

A water treatment device and water treatment technology, applied in water/sewage treatment, oxidized water/sewage treatment, water/sewage treatment equipment, etc. handling issues

Inactive Publication Date: 2016-10-26
SUMITOMO PRECISION PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this method, although only a part of unreacted ozone can be effectively used, it leads to increased power consumption of pumps and the like.
In addition, since the unreacted ozone returned to the circulation flow path returns to the circulation tank from above, it is considered that it will stay n

Method used

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  • Water treatment equipment and water treatment process
  • Water treatment equipment and water treatment process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] In Example 1, 90% of the total amount of ozone supplied to the reaction tank 1 was supplied from the diffuser 3 , and 10% of the total amount of ozone was supplied from the ejector device 4 . In addition, in Example 1, ozone and water to be treated were supplied from a position above half the height of the reaction tank 1 through the ejector device 4 .

Embodiment 2

[0042] In Example 2, 90% of the total amount of ozone supplied to the reaction tank 1 was supplied from the diffuser 3 , and 10% of the total amount of ozone was supplied from the ejector device 4 . Furthermore, in Example 2, ozone and the water to be treated are supplied from a position below half the height of the reaction tank 1 through the ejector device 4 .

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Abstract

The invention provides water treatment equipment and a water treatment process. The equipment is provided with a reaction tank which stores treated water; a gas discharge device which supplies ozone to the reaction tank through gas discharge; and an ejector device which supplies the mixture of ozone and treated water to the treated water in the reaction tank. Moreover, the amount of ozone supplied by the ejector device to the reaction tank is smaller than the amount of ozone supplied by the gas discharge device to the reaction tank.

Description

technical field [0001] The invention relates to a water treatment device and a water treatment method, in particular to a water treatment device and a water treatment method for water treatment through ozone. Background technique [0002] Conventionally, there is known a water treatment device that performs water treatment with ozone. For example, JP 2005-254136 A discloses such a water treatment device. [0003] Japanese Patent Application Laid-Open No. 2005-254136 discloses an ozone system equipped with a circulation tank for supplying raw water, an air diffuser for supplying ozone to the circulation tank, and an ejector for returning a part of unreacted ozone released from the circulation tank to the circulation flow path. Treatment device (water treatment device). In this ozone treatment device, the unreacted ozone returned to the circulation flow path is returned to the circulation tank from above. [0004] In the ozone treatment, in terms of cost, it is particularly...

Claims

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Application Information

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IPC IPC(8): C02F1/78
CPCC02F1/78C02F2201/784
Inventor 林田英丽河野孝
Owner SUMITOMO PRECISION PROD CO LTD
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