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Ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas

An iron-carbon micro-electrolysis and harmful gas technology, which is applied in chemical instruments and methods, air quality improvement, and separation of dispersed particles, can solve problems such as micro-electrolysis technology waste gas treatment that has not been seen, and achieve improved absorption effect and absorption capacity , the effect of simple operation

Inactive Publication Date: 2013-01-16
黄立维
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are no reports on the application of micro-electrolysis technology in waste gas treatment

Method used

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  • Ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas
  • Ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas
  • Ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas

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Experimental program
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Embodiment 1

[0015] Embodiment 1: Experimental device adopts figure 1 In the reactor structure shown, the outer body material is polypropylene, the size is 120mm×120mm×1000mm, the distance between adjacent iron grids is 50mm, the thickness of the iron grid is 2mm, and the mesh size is 5mm×5mm. The active carbon used as the mobile pole has an average geometric diameter of about 1mm, and the filling rate of the activated carbon in the liquid phase is about 10%. The simulated exhaust gas is introduced from the bottom of the reactor, and is discharged from the upper part after passing through the gas distributor and the gas-solid-liquid three-phase reaction zone.

[0016] The experimental conditions are: the absorption liquid is 2% sodium chloride aqueous solution + hydrochloric acid. Solution pH=3±0.5.

[0017] Gas flow: 2000ml / min, gas temperature: 25°C

[0018] The types of waste gas are common and representative volatile organic compounds such as hydrocarbons, alcohols, ethers, aldehyde...

Embodiment 2

[0023] Embodiment 2: Experimental device adopts figure 2 In the reactor structure shown, the reactor cylinder is made of polypropylene, with a diameter of 150 mm, an effective height of 1000 mm, and an iron Pall ring with a diameter of 25 mm and a thickness of 2 mm. The active carbon particles used as the mobile electrode have an average geometric diameter of about 1 mm, and the filling rate of the active carbon in the liquid phase is about 15%. The simulated exhaust gas is introduced from the bottom of the reactor, and is discharged from the upper part after passing through the gas distributor and the gas-solid-liquid three-phase reaction zone.

[0024] The experimental conditions are: the absorption liquid is 2% sodium sulfate aqueous solution+sulfuric acid. Solution pH=5±0.5.

[0025] Gas flow: 2000m1 / min, gas temperature: 25°C

[0026] Exhaust gas kind is the same as embodiment 1

[0027] Carrier gas: air

[0028] Experimental results: as shown in Table 2.

[0029] ...

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Abstract

The invention discloses a ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gas. The treatment process is that treated gas is introduced from the bottom of the device; through a gas-solid-liquid three-phase reaction area formed by an iron mesh, or filler and active carbon granules, the harmful gas is firstly absorbed by liquid phase and is absorbed by active carbon, then the active carbon and the iron mesh or the filler in the device form countless micro cells and then generate chemical reaction, so that the harmful gas is degraded, and finally the harmful matters in gas flow are effectively absorbed and removed. Therefore, the ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor has the advantages that the absorbing effect is greatly improved, and the possibility of secondary volatilization of pollutants is also avoided. The ferric-carbon micro-electrolysis gas-solid-liquid three-phase reactor disclosed by the invention is especially applicable to treatment of harmful gaseous pollutants with bad water solubility such as chlorine-containing organic matters, and has the characteristics of high treating efficiency, simplicity in operation, reliability and practicability.

Description

technical field [0001] The invention relates to an iron-carbon micro-electrolysis gas-solid-liquid three-phase reactor for purifying harmful gases, in particular to the removal of volatile organic compounds such as hydrocarbons, alcohols, ethers, aldehydes, phenols, ketones, esters and amines, hydrogen sulfide, The invention relates to a reactor for inorganic substances such as sulfur dioxide, nitrogen oxide and ammonia, belonging to the technical field of air pollution control and environmental protection. Background technique [0002] Various harmful gases such as hydrocarbons, alcohols, ethers, aldehydes, phenols, ketones, esters and amines and other volatile organic compounds, hydrogen sulfide, sulfur dioxide, nitrogen oxides and ammonia and other inorganic substances, odorous gases, produced in chemical, pharmaceutical, spray paint, Various production processes such as sewage treatment stations. These pollutants are not only harmful to the human body, some are carcinog...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/76B01D53/52B01D53/60B01D53/58B01D53/72
CPCY02A50/20
Inventor 黄立维
Owner 黄立维