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Oil and gas field desulfurization wastewater advanced oxidation treatment device and treatment method thereof

A desulfurization wastewater, advanced oxidation technology, applied in mining wastewater treatment, oxidized water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of harsh reaction conditions, difficult treatment, large amount of sludge, etc. control, enhance biodegradability, and recover heat

Pending Publication Date: 2022-02-01
SICHUAN XINGAO ENVIRONMENTAL TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide an advanced oxidation treatment device and treatment method for desulfurization wastewater from oil and gas fields, so as to solve the technical problems of harsh reaction conditions, large amount of sludge and difficult treatment in the advanced oxidation technology used in the prior art to treat desulfurization wastewater from oil and gas fields

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  • Oil and gas field desulfurization wastewater advanced oxidation treatment device and treatment method thereof
  • Oil and gas field desulfurization wastewater advanced oxidation treatment device and treatment method thereof

Examples

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Embodiment 1

[0030] Such as figure 1 Shown:

[0031] An advanced oxidation treatment device for oil and gas field desulfurization wastewater provided by the present invention includes an advanced oxidation tank 1, a temperature sensor for monitoring the temperature of the wastewater in the advanced oxidation tank 1, a pressure sensor for monitoring the pressure in the advanced oxidation tank 1, and a control device; A heating device and an aeration device are arranged in the tank 1, and the advanced oxidation tank 1 is provided with a waste water inlet 15, a waste water outlet 16, and a dosing inlet 21; the advanced oxidation tank 1 is connected with a waste water inlet pipe and a waste water outlet The liquid pipe, the waste water inlet pipe and the waste water outlet pipe are respectively connected on the waste water inlet 15 and the waste water outlet 16 of the advanced oxidation tank 1; On the pressure gauge interface 3; the heating device, aeration device, temperature sensor, and pre...

Embodiment 2

[0044] A method for advanced oxidation treatment of oil and gas field desulfurization wastewater provided by the present invention is treated by using the advanced oxidation treatment device for oil and gas field desulfurization wastewater in Example 1, specifically:

[0045] (1) Oil and gas field desulfurization wastewater enters the advanced oxidation tank 1 from the waste water inlet pipe 20 through the feed pump 18, and simultaneously adds persulfate advanced oxidant; Composed of fine lime powder; the dosage of sodium persulfate is 2.5‰ of the weight of desulfurization wastewater in oil and gas fields, the dosage of sodium hydroxide is 0.6‰ of the weight of desulfurization wastewater in oil and gas fields, and the dosage of lime fine powder is the weight of desulfurization wastewater in oil and gas fields 2‰.

[0046] (2) Raw steam at 120°C is introduced to raise the temperature, the temperature of the oil and gas field desulfurization wastewater in the advanced oxidation ...

Embodiment 3

[0049] A method for advanced oxidation treatment of oil and gas field desulfurization wastewater provided by the present invention is treated by using the advanced oxidation treatment device for oil and gas field desulfurization wastewater in Example 1, specifically:

[0050] (1) Oil and gas field desulfurization wastewater enters the advanced oxidation tank 1 from the wastewater inlet pipe 20 through the feed pump 18, and simultaneously adds persulfate advanced oxidant; in the present embodiment, the persulfate advanced oxidizer is made of potassium persulfate, sodium hydroxide Composed of fine lime powder; the dosage of potassium persulfate is 2.8‰ of the weight of desulfurization wastewater in oil and gas fields, the dosage of sodium hydroxide is 0.7‰ of the weight of desulfurization wastewater in oil and gas fields, and the dosage of lime fine powder is the weight of desulfurization wastewater in oil and gas fields 2.3‰.

[0051] (2) Raw steam at 120°C is introduced to rai...

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Abstract

The invention discloses an oil and gas field desulfurization wastewater advanced oxidation treatment device and a treatment method thereof, and solves the technical problems of harsh reaction conditions, large sludge amount and difficulty in treatment in an advanced oxidation technology adopted for treating the oil and gas field desulfurization wastewater in the prior art. The device comprises an advanced oxidation tank (1), a temperature sensor for monitoring the temperature of wastewater in the advanced oxidation tank (1), a pressure sensor for monitoring the pressure in the advanced oxidation tank (1) and a control device, a heating device and an aeration device are arranged in the advanced oxidation tank (1), and the advanced oxidation tank (1) is connected with a wastewater inlet pipe and a wastewater outlet pipe; and the heating device, the aeration device, the temperature sensor and the pressure sensor are electrically connected with the control device respectively. The advanced oxidation treatment device for the desulfurization wastewater of the oil and gas field is small in occupied area, high in treatment efficiency, flexible and controllable in effect; which has the advantages of simple reaction conditions, small sludge amount, easy treatment, low power consumption and easy process control.

Description

technical field [0001] The invention relates to the field of desulfurization wastewater treatment, in particular to an advanced oxidation treatment device and treatment method for desulfurization wastewater in oil and gas fields. Background technique [0002] In recent years, the exploration and development of sour natural gas has been continuously intensified. In the formation water associated with gas production, in addition to sulfide, the COD value in the wastewater is relatively high, and the main components are aromatic compounds and amines. Under normal conditions, the biochemical properties are poor and difficult to degrade , making it difficult to meet the COD standard in the follow-up wastewater treatment. [0003] At present, advanced oxidation technology is mainly used for this kind of wastewater at home and abroad. Advanced oxidation technology is also called deep oxidation technology. It is characterized by the generation of hydroxyl radicals (OH) with strong o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10C02F101/32C02F103/10
CPCC02F1/722C02F1/74C02F1/048C02F2101/322C02F2103/10
Inventor 张涛王官均徐冰
Owner SICHUAN XINGAO ENVIRONMENTAL TECH SERVICE CO LTD
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