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Processing method of confecting polymer water through oxidization method

A treatment method and a technology of mixing polywater, applied in the direction of oxidized water/sewage treatment, multi-stage water treatment, mining wastewater treatment, etc., can solve the problem of polymer solution viscosity reduction and achieve the effect of eliminating the impact

Inactive Publication Date: 2016-03-23
HARBIN INST OF TECH
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Problems solved by technology

[0008] The present invention aims to solve the technical problem that the viscosity of the prepared polymer solution decreases when directly using polymer-containing sewage instead of clear water for dispensing. Therefore, the oxidation treatment method is used to treat the polymer-containing sewage so that the polymer-containing water can replace clear water For the purpose of preparing polymer solutions, and to provide a treatment method for polycondensation water by oxidation

Method used

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  • Processing method of confecting polymer water through oxidization method
  • Processing method of confecting polymer water through oxidization method
  • Processing method of confecting polymer water through oxidization method

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specific Embodiment approach 1

[0014] Specific embodiment one: this embodiment utilizes the oxidation method to mix the processing method of polywater, specifically carry out according to the following steps:

[0015] Pass the compounded water into the reactor, and at the same time pass ozone into the reactor, and treat it for 10 to 60 minutes to complete the treatment method of the compounded water by oxidation method; wherein the reactor is embedded with an ultraviolet lamp, and the emission wavelength of the ultraviolet lamp is The wavelength is 250-260nm, and the power is 35-45W.

specific Embodiment approach 2

[0016] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the input amount of ozone in this method is 30-40 mg / L. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0017] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the input amount of ozone in this method is 33.3 mg / L. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a processing method of confecting polymer water through oxidation method and relates to the field of oilfield confecting polymer water processing. In the prior art, the polymer sewage is used to replace clean water for injection allocation, and the viscosity of prepared polymer solution is reduced. In order to solve the problem mentioned above, an oxidization method is adopted to process polymer-containing sewage so as to make sure that the polymer-containing water can completely replace the clean water to prepare a polymer solution. The method comprises the following steps: introducing confecting polymer water into a reactor, at the same time, introducing ozone into the reactor, and carrying out a treatment for 10 to 60 minutes. Through the oxidization treatment, the reducing substances in confecting polymer water are effectively removed, the processed confecting polymer water can completely replace clean water, the using amount of clean water is reduced, and the viscosity of prepared polymer is not changed.

Description

technical field [0001] The invention relates to the field of treatment of oil field compounding and accumulation water. Background technique [0002] In the oil exploration industry, how to increase the recovery rate is a common concern of people. With the increase of the production life of my country's oilfields, most of them have entered the stage of high water cut production. In order to improve the recovery factor, the current oil field production has gradually transitioned from primary oil recovery to secondary oil recovery and tertiary oil recovery. Among the tertiary oil recovery technologies using chemical agents as displacement means, polymer and ASP flooding technologies are most widely used. Polyacrylamide (HPAM) is considered as the preferred polymer for polymer flooding because of its high molecular weight, good water solubility and high viscosity. By increasing the viscosity and viscoelasticity of the polyacrylamide system, polyacrylamide can reduce the mobil...

Claims

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Application Information

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IPC IPC(8): C02F9/08C02F103/10
CPCC02F9/00C02F1/32C02F1/78C02F2103/10C02F2209/09C02F2301/08
Inventor 魏利魏东魏超李春颖
Owner HARBIN INST OF TECH
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