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Waste water treatment system

A wastewater treatment and wastewater treatment system technology, applied in water/sewage treatment, water/sewage multi-stage treatment, degassed water/sewage treatment, etc., can solve the problems of cost increase, and achieve the purpose of preventing the increase of operating costs, low cost, etc. cost, effect of preventing oversizing

Inactive Publication Date: 2015-05-27
TOYOBO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, since the concentration of the above-mentioned low-boiling organic substances contained in the wastewater is higher, the desorbed gas that temporarily exceeds the lower explosion limit is more likely to be discharged, so it is necessary to dilute with external air, or install a large buffer tank, etc. for A component that equalizes the concentration of organic substances in the desorbed gas, which increases the size and cost of the combustion device. Therefore, the concentration of organic substances in the desorbed gas is required to be balanced

Method used

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Examples

Experimental program
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Effect test

Embodiment approach 1

[0076] figure 1 It is a system configuration diagram of the wastewater treatment system according to Embodiment 1 of the present invention. Below, refer to the figure 1 The structure of the waste water treatment system 1A of this embodiment is demonstrated.

[0077] Wastewater Treatment System 1A

[0078] Such as figure 1 As shown, the wastewater treatment system 1A of this embodiment mainly includes a wastewater treatment device 1100 and an activated sludge treatment device 1200 .

[0079] Wastewater treatment plant 1100

[0080] The waste water treatment apparatus 1100 has the 1st treatment tank 1110 which accommodated the adsorption element 1111, and the 2nd treatment tank 1120 which accommodated the adsorption element 1121. The adsorption elements 1111 and 1121 adsorb organic compounds contained in the wastewater by contacting the wastewater containing the organic compounds.

[0081] That is, in the wastewater treatment apparatus 1100, the wastewater is supplied ...

Embodiment approach 2

[0126] Figure 4 It is a schematic diagram which shows the structure of the waste water treatment system of Embodiment 2 of this invention. In addition, in Figure 4 In the figure, the illustration of the same part as the waste water treatment system 1A of Embodiment 1 of this invention mentioned above is abbreviate|omitted. Below, refer to the Figure 4 The structure of the waste water treatment system 1B of this embodiment is demonstrated.

[0127] Wastewater Treatment System 1B

[0128] Such as Figure 4 As shown, the wastewater treatment system 1B of this embodiment differs from the wastewater treatment system 1A of Embodiment 1 of the present invention described above in the structure of the wastewater treatment device 1100 .

[0129] In the waste water treatment system 1B of this embodiment, the piping line L1010 for introducing gas to the waste water treatment device 1100 and the piping for introducing heating gas are connected to the piping line L1002 for introd...

Embodiment approach 3

[0137] Figure 5 It is a schematic diagram which shows the structure of the waste water treatment system of Embodiment 3 of this invention. Below, refer to the Figure 5 The structure of the waste water treatment system 1C of this embodiment is demonstrated.

[0138] Wastewater Treatment System 1C

[0139] Such as Figure 5 As shown, the wastewater treatment system 1C of this embodiment mainly includes a wastewater treatment device 1100 , an activated sludge treatment device 1200 and a combustion device 1300 .

[0140] The combustion device 1300 is a device for combusting and oxidatively decomposing the desorbed gas discharged from the waste water treatment device 1100, and the combustion device 1300 is connected to piping lines L1004, L1013, L1014, and L1015. The combustion device 1300 has a heat exchanger 1310 and a heating furnace 1320 . The heat exchanger 1310 is used to preheat the desorbed gas introduced into the heating furnace 1320 , and the heating furnace 1320...

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Abstract

A waste water treatment system is provided with an aeration tank (2100) that vaporizes and removes organic material in waste water by aerating the waste water containing organic material and that discharges the aeration gas containing the organic material; a waste water treatment device (2200) that is connected to the aeration tank (2100)and has adsorption elements (2211, 2221) that adsorb organic material by coming into contact with the waste water containing the organic material, and desorb the adsorbed organic material by bringing the same into contact with hot gas; and a combustion device (2300) that is connected to the aeration tank (2100) and the waste water treatment device (2200) and that discharges a decomposed gas resulting from burning and oxidatively decomposing a mixed gas comprising the aeration gas and the desorbed gas containing organic material that are discharged from the aeration tank (2100) and the waste water treatment device (2200) respectively.

Description

[0001] This application has an international filing date of August 9, 2011 (date of entering the Chinese national phase: February 6, 2013), an international application number of PCT / JP2011 / 068141 (Chinese national application number of 201180038948.0), and an invention title of " A divisional application for the application for waste water treatment system". technical field [0002] The present invention relates to a wastewater treatment method having a wastewater treatment system for purifying wastewater containing organic compounds by removing organic compounds from the wastewater. In particular, it relates to a wastewater treatment method having a wastewater treatment system for purifying industrial wastewater discharged from various factories, research facilities and containing organic compounds by efficiently removing organic compounds from the industrial wastewater. Background technique [0003] Conventionally, an activated sludge treatment apparatus has been used as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C02F9/14F23G7/06
CPCB01D53/04B01J20/18B01J20/20B01J20/28023B01J20/28057B01J20/28069B01J20/28078B01J2220/606C02F1/20C02F1/281C02F1/283C02F3/12C02F2101/32C02F2101/322C02F2303/16Y02W10/10
Inventor 河野大树杉浦勉岩月聪
Owner TOYOBO CO LTD
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