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CN-121990643-A - Copper-containing wastewater recovery system and recovery method

CN121990643ACN 121990643 ACN121990643 ACN 121990643ACN-121990643-A

Abstract

The invention discloses a copper-containing wastewater recovery system and a copper-containing wastewater recovery method, and relates to the technical field of wastewater treatment. The copper-containing wastewater recovery system comprises an ultrasonic reaction device and a recovery device which are sequentially in fluid communication, wherein the ultrasonic reaction device is configured to carry out ultrasonic cavitation treatment on wastewater, and the recovery device comprises a copper ion imprinting membrane which is used for capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment. The copper-containing wastewater recovery system provided by the invention has a better copper recovery effect.

Inventors

  • WEI ZHIYANG

Assignees

  • 通威太阳能（成都）有限公司

Dates

Publication Date
20260508
Application Date
20260402

Claims (10)

  1. 1. The copper-containing wastewater recovery system is characterized by comprising an ultrasonic reaction device (110) and a recovery device (120) which are sequentially in fluid communication, wherein the ultrasonic reaction device (110) is configured to carry out ultrasonic cavitation treatment on wastewater, and the recovery device (120) comprises a copper ion imprinting membrane (121), wherein the copper ion imprinting membrane (121) is used for capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment.
  2. 2. The copper-containing wastewater recovery system according to claim 1, wherein the recovery device (120) further comprises an ultrafiltration membrane (122), the ultrafiltration membrane (122) being disposed upstream of the copper ion imprinting membrane (121) for filtering wastewater after ultrasonic cavitation treatment.
  3. 3. The copper-containing wastewater recovery system according to claim 2, wherein the recovery device (120) further comprises a housing (123), the housing (123) is formed with a containing space (1231), and the copper ion imprinting membrane (121) and the ultrafiltration membrane (122) are both disposed in the containing space (1231).
  4. 4. A copper-containing wastewater recovery system according to claim 3, characterized in that the recovery device (120) further comprises an ultrasonic transducer, which is mounted in the receiving space (1231).
  5. 5. A copper-containing wastewater recovery system according to claim 3, characterized in that the copper-containing wastewater recovery system (100) further comprises a reduction device comprising a cathode (131) and an anode (132) arranged in the receiving space (1231) at intervals, and a pulse power source electrically connected to the cathode (131) and the anode (132).
  6. 6. A copper-containing wastewater recovery method, comprising: Carrying out ultrasonic cavitation treatment on the wastewater; Copper ions in the wastewater subjected to ultrasonic cavitation treatment are captured by adopting a copper ion imprinting membrane (121).
  7. 7. The copper-containing wastewater recovery method according to claim 6, wherein after the step of capturing copper ions in the wastewater subjected to the ultrasonic cavitation treatment using the copper ion imprinting film (121), the copper-containing wastewater recovery method further comprises: and (3) electrochemically reducing copper ions captured by the copper ion imprinting membrane (121) to obtain metallic copper.
  8. 8. The method for recovering copper-containing wastewater according to claim 7, wherein the cathode (131) is applied with a potential relative to the saturated calomel electrode during the electrochemical reduction A pulse potential of 0.6V to-1.0V.
  9. 9. The copper-containing wastewater recovery method according to claim 6, characterized in that, before the step of capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment using the copper ion imprinting film (121), the copper-containing wastewater recovery method further comprises: And filtering the wastewater subjected to ultrasonic cavitation treatment by adopting an ultrafiltration membrane (122).
  10. 10. The copper-containing wastewater recovery method according to claim 9, wherein the copper-containing wastewater recovery method further comprises: and carrying out ultrasonic cleaning treatment on the ultrafiltration membrane (122) and/or the copper ion imprinting membrane (121) by adopting an ultrasonic transducer.

Description

Copper-containing wastewater recovery system and recovery method Technical Field The invention relates to the technical field of wastewater treatment, in particular to a copper-containing wastewater recovery system and a copper-containing wastewater recovery method. Background In the photovoltaic production process flow, a large amount of copper is also contained in the wastewater generated in the electroplating process. At present, copper adsorption is carried out in copper-containing wastewater by mainly grafting copper imprinted polymers on the surface of an acrylic acid-based film in the market so as to realize copper recovery. However, in copper-containing wastewater generated by electroplating, a large amount of copper exists in a stable complex state, so that the imprinted sites of the copper imprinted polymer cannot sufficiently capture copper ions, the adsorption capacity attenuation is more than 80%, and the recovery effect is poor. Disclosure of Invention The invention aims to provide a copper-containing wastewater recovery system which has the characteristic of better copper recovery effect. The invention further aims to provide a copper-containing wastewater recovery method, which has the characteristic of better copper recovery effect. The embodiment of the invention provides a technical scheme that: A copper-containing wastewater recovery system comprises an ultrasonic reaction device and a recovery device which are sequentially in fluid communication, wherein the ultrasonic reaction device is configured to carry out ultrasonic cavitation treatment on wastewater, and the recovery device comprises a copper ion imprinting membrane which is used for capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment. In an alternative embodiment, the recovery device further comprises an ultrafiltration membrane, wherein the ultrafiltration membrane is arranged at the upstream of the copper ion imprinting membrane and is used for filtering the wastewater subjected to ultrasonic cavitation treatment. In an alternative embodiment, the recovery device further comprises a housing, wherein a containing space is formed in the housing, and the copper ion imprinting membrane and the ultrafiltration membrane are both arranged in the containing space. In an alternative embodiment, the recycling device further comprises an ultrasonic transducer, and the ultrasonic transducer is installed in the accommodating space. In an alternative embodiment, the copper-containing wastewater recovery system further comprises a reduction device, wherein the reduction device comprises a cathode and an anode which are arranged in the accommodating space at intervals, and a pulse power supply electrically connected with the cathode and the anode. The embodiment of the invention also provides a copper-containing wastewater recovery method, which comprises the following steps: Carrying out ultrasonic cavitation treatment on the wastewater; Copper ions in the wastewater subjected to ultrasonic cavitation treatment are captured by adopting a copper ion imprinting membrane. In an alternative embodiment, after the step of capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment using the copper ion imprinting film, the copper-containing wastewater recovery method further includes: And (3) electrochemically reducing the copper ions captured by the copper ion imprinting film to obtain metallic copper. In an alternative embodiment, during the electrochemical reduction, a potential is applied to the cathode relative to the saturated calomel electrodeA pulse potential of 0.6V to-1.0V. In an alternative embodiment, before the step of capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment by using the copper ion imprinting membrane, the copper-containing wastewater recovery method further includes: And filtering the wastewater subjected to ultrasonic cavitation treatment by adopting an ultrafiltration membrane. In an alternative embodiment, the copper-containing wastewater recovery method further comprises: And carrying out ultrasonic cleaning treatment on the ultrafiltration membrane and/or the copper ion imprinting membrane by adopting an ultrasonic transducer. Compared with the prior art, the copper-containing wastewater recovery system provided by the invention comprises an ultrasonic reaction device and a recovery device which are sequentially in fluid communication, wherein the ultrasonic reaction device is configured to carry out ultrasonic cavitation treatment on wastewater, the recovery device comprises a copper ion imprinting membrane, and the copper ion imprinting membrane is used for capturing copper ions in the wastewater subjected to ultrasonic cavitation treatment. In practical application, the wastewater is subjected to ultrasonic cavitation treatment in an ultrasonic reaction device at first, so that complex copper in the wastewater is dissociated