Tubular porous titanium film-ozone contact reaction device and water treatment method thereof

A technology of ozone contact and reaction device, which is used in oxidation water/sewage treatment, water/sewage treatment, special compound water treatment, etc., to achieve the effect of efficient degradation

Active Publication Date: 2020-04-14
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a tubular porous titanium membrane-ozone contact reaction device and its water treatment method to solve the defects in the prior art problems

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  • Tubular porous titanium film-ozone contact reaction device and water treatment method thereof
  • Tubular porous titanium film-ozone contact reaction device and water treatment method thereof

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Embodiment 1

[0034] figure 1 It is a structural schematic diagram of a tubular porous titanium membrane-ozone contact reaction device, figure 2 For the top view of the electrode, refer to figure 1 with figure 2 , the device includes: a cavity ①, a tubular porous titanium membrane electrode ② and a counter electrode ③. The tubular porous titanium membrane electrode ② is arranged in the center of the cavity ①, and the counter electrode ③ is arranged inside the tubular porous titanium membrane electrode ②, and a nylon mesh ④ is used as a separation material between the two to prevent short circuit. The bottom and top of the cavity ① are respectively provided with an air inlet ⑤ and an air outlet ⑥. The lower end and the upper end of the tubular porous titanium membrane electrode ② are water inlet ⑦ and water outlet ⑧ respectively. Tubular porous titanium film electrode ② is used as the working electrode, including a tubular porous titanium substrate and TiO2 loaded on the substrate 2 N...

Embodiment 2

[0039] figure 1 It is a structural schematic diagram of a tubular porous titanium membrane-ozone contact reaction device, figure 2 For the top view of the electrode, refer to figure 1 with figure 2 , the device includes: a cavity ①, a tubular porous titanium membrane electrode ② and a counter electrode ③. The tubular porous titanium membrane electrode ② is arranged in the center of the cavity ①, and the counter electrode ③ is arranged inside the tubular porous titanium membrane electrode ②, and a nylon mesh ④ is used as a separation material between the two to prevent short circuit. The bottom and top of the cavity ① are respectively provided with an air inlet ⑤ and an air outlet ⑥. The lower end and the upper end of the tubular porous titanium membrane electrode ② are water inlet ⑦ and water outlet ⑧ respectively. The tubular porous titanium membrane electrode ② is used as the working electrode, which consists of a tubular porous titanium substrate and a graphene cataly...

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Abstract

The invention provides a tubular porous titanium film-ozone contact reaction device and a water treatment method thereof. The tubular porous titanium film-ozone contact reaction device comprises a cavity, a tubular porous titanium membrane electrode and a counter electrode; the tubular porous titanium membrane electrode is arranged in the center of the cavity, the counter electrode is arranged inthe tubular porous titanium membrane electrode, and a separation material is arranged between the counter electrode and the tubular porous titanium membrane electrode and used for preventing short circuit; a gas inlet and a gas outlet are respectively formed in the bottom and the top of the cavity, and a water inlet and a water outlet are respectively formed in the lower end and the upper end of the tubular porous titanium membrane electrode and are used for enabling wastewater to flow into and out of the tubular porous titanium membrane electrode; in using process of the tubular porous titanium film-ozone contact reaction device, when the tubular porous titanium membrane electrode is used as a cathode, the counter electrode is used as an anode, and when the tubular porous titanium membrane electrode is used as an anode, and the counter electrode is used as a cathode. The tubular porous titanium film-ozone contact reaction device can realize efficient conversion on a membrane electrodeinterface while realizing bubble-free efficient mass transfer of ozone in the whole system; hydroxyl radicals are generated; and the tubular porous titanium film-ozone contact reaction device is usedfor rapid degradation of refractory organic matters.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a tubular porous titanium membrane-ozone contact reaction device and a water treatment method thereof. Background technique [0002] In recent years, ozone catalytic oxidation technology has been widely used in the field of water treatment. However, in order to improve the effect of ozone catalysis, enhancing the mass transfer of ozone has become the main direction of research. In recent years, the membrane-ozone contact reactor based on membrane bubble-free aeration has become a research hotspot. The patent (application number 201710583322.7) uses inorganic hydrophobic membrane materials such as polytetrafluoroethylene (PTFE), vinylidene fluoride (PVDF) and other membrane materials as gas diffusers, and utilizes the special porous characteristics of membrane materials to realize the ozone at the membrane interface. Effective mass transfer. Since no air bubbles are gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72C02F1/78C02F101/30
CPCC02F1/722C02F1/78C02F2101/30C02F2305/023
Inventor 姚宏李新洋张家赫张济民
Owner BEIJING JIAOTONG UNIV
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