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A method for synergistic treatment of wastewater with single atomic fluid heating and cooling

A co-processing, atomic technology, applied in chemical instruments and methods, heating water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of low catalyst stability, high cost of membrane separation, and inability to popularize and use

Active Publication Date: 2021-09-07
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(S.De,S.Panda,Preparation,Characterization and antifouling properties of Polyacrylonitrile / Polyurethaneblend membranes for water purification,RSC Adv.5(2015).) However, the cost of membrane separation method is high, and it is difficult to promote and use it on a large scale
[0007] As mentioned above, the use of catalytic methods, adsorption methods and membrane separation methods to remove benzene, phenol and aldehydes in wastewater still has problems such as high cost and low catalyst stability, and cannot be widely used.

Method used

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  • A method for synergistic treatment of wastewater with single atomic fluid heating and cooling
  • A method for synergistic treatment of wastewater with single atomic fluid heating and cooling
  • A method for synergistic treatment of wastewater with single atomic fluid heating and cooling

Examples

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Embodiment 1

[0032] Mix metal salt solution, polyaniline and PyBIG, convert ions into atoms by electrochemical method, and then use oil extraction and filtration to obtain monoatomic fluid. The specific process is: prepare 4L each of catholyte and anolyte, and the area of ​​anion exchange membrane is 400cm 2 , the current density is 450A / m 2 , the temperature of the electrolysis process is 50°C, and the catholyte is NiSO 4 , Al 2 (SO 4 ) 3 solution + polyaniline + PyBIG, the anolyte is dilute sulfuric acid solution. Determination of initial Ni 2+ and Al 3+ Concentrations are 0.25mol / L and 1mol / L respectively, the volume fraction of dilute sulfuric acid in the anode compartment is 0.5%, the mass of polyaniline is 130g, the mass of PyBIG is 180g, and the Ni in the solution after electrolysis for 4h 2+ and Al 3+ The concentrations are 0.17mol / L and 0.62mol / L, respectively. After the electrolysis, the solution in the cathode chamber was extracted with oil, and the quality of the oil w...

Embodiment 2

[0044] Mix metal salt solution, polyaniline and PyBIG, convert ions into atoms by electrochemical method, and then use oil extraction and filtration to obtain monoatomic fluid. The specific process is: prepare 4L each of catholyte and anolyte, and the area of ​​anion exchange membrane is 400cm 2 , the current density is 450A / m 2 , the temperature of the electrolysis process is 50°C, and the catholyte is NiSO 4 , Al 2 (SO 4 ) 3 solution + polyaniline + PyBIG, the anolyte is dilute sulfuric acid solution. Determination of initial Ni 2+ and Al 3+ Concentrations are 0.25mol / L and 1mol / L respectively, the volume fraction of dilute sulfuric acid in the anode compartment is 0.5%, the mass of polyaniline is 130g, the mass of PyBIG is 180g, and the Ni in the solution after electrolysis for 4h 2+ and Al 3+ The concentrations are 0.17mol / L and 0.62mol / L, respectively. After the electrolysis, the solution in the cathode chamber was extracted with oil, and the quality of the oil w...

Embodiment 3

[0058] Mix metal salt solution, polyaniline and PyBIG, convert ions into atoms by electrochemical method, and then use oil extraction and filtration to obtain monoatomic fluid. The specific process is:

[0059] Prepare 4L each of catholyte and anolyte, and the area of ​​anion exchange membrane is 400cm 2 , the current density is 450A / m 2 , the temperature of the electrolysis process is 50°C, and the catholyte contains NiSO 4 、Al 2 (SO 4 ) 3 solution, a mixture of polyaniline and PyBIG, and the anolyte is dilute sulfuric acid solution. Determination of Ni in the initial mixture 2+ and Al 3+ Concentrations are 0.25mol / L and 1mol / L respectively, the volume fraction of dilute sulfuric acid in the anode compartment is 0.5%, the mass of polyaniline is 130g, the mass of PyBIG is 180g, and the Ni in the solution after electrolysis for 4h 2+ and Al 3+ The concentrations are 0.17mol / L and 0.62mol / L, respectively. After the electrolysis, the solution in the cathode chamber was ...

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Abstract

The invention discloses a single-atomic fluid heating and cooling cooperative wastewater treatment method. The industrial wastewater and the single-atomic fluid are evenly mixed to obtain a mixed solution, which is then passed into a reactor, and the reactor undergoes multiple heating and cooling cycles to realize wastewater treatment. degradation; where the mass ratio of industrial wastewater to monatomic fluid is 10:1‑15:1; monatomic fluids include metals, polyaniline, PyBIG and oil. Due to the charge transfer effect generated by heating and cooling, it can effectively degrade benzene, phenol and aldehydes in wastewater. The synergistic treatment of wastewater by single-atom fluid heating and cooling has the advantages of high treatment rate, energy saving, and small investment. It can effectively reduce the treatment cost of industrial wastewater and has important industrial application value.

Description

technical field [0001] The invention belongs to the field of process design, and in particular relates to a method for synergistically treating wastewater by raising and lowering the temperature of a monatomic fluid. Background technique [0002] The organic wastewater discharged by chemical enterprises contains a large amount of benzene, phenol and aldehydes, which must be treated in order to meet the environmental protection discharge standards. At present, the treatment methods for this kind of chemical substances mainly include catalytic method, adsorption method and membrane separation method, but there are problems such as low catalyst stability, low removal efficiency and high cost respectively. Therefore, it is of great significance for chemical enterprises to save energy and reduce emissions by researching new wastewater degradation technologies and reducing wastewater treatment costs. [0003] The current research on industrial wastewater treatment by catalytic me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/02C02F1/46C02F101/34C02F101/32
CPCC02F1/02C02F1/46C02F2101/322C02F2101/34C02F2101/345
Inventor 余云松张辰张景峰周晨阳王佳锋张早校魏进家
Owner XI AN JIAOTONG UNIV
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