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Oxygen-iodine chemical laser tail gas treatment method and system

A technology of oxygen iodine chemistry and tail gas treatment, applied in chemical instruments and methods, gas treatment, separation methods, etc., can solve problems such as difficult and efficient treatment of chlorine gas, and achieve the effect of efficient treatment

Inactive Publication Date: 2020-06-30
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] In summary, so far, the existing tail gas treatment processes are difficult to efficiently treat chlorine and iodine in the tail gas of oxygen-iodine chemical lasers.

Method used

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  • Oxygen-iodine chemical laser tail gas treatment method and system

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0042] System embodiment

[0043] see figure 1 , the oxygen-iodine chemical laser tail gas treatment system of the present embodiment comprises the exhaust outlet that is arranged on the oxygen-iodine chemical laser 1: discharge pipeline 2, iodine removal module (i.e. I level processing module), chlorine gas removal module (i.e. II Level treatment module and level III treatment module), mist eliminator 5, tail gas concentration detector 6 and chimney 7.

[0044] In this embodiment, the iodine removal module includes an activated carbon storage tank 301, compressed air 302, an activated carbon nozzle 303, a spoiler grid 304 and a filter bag 305; the chlorine gas removal module includes a liquid ammonia storage tank 401, and a liquid ammonia vaporizer 402 , ...

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Abstract

The invention discloses an oxygen-iodine chemical laser tail gas treatment method and a system, and belongs to the technical field of tail gas pollutant treatment, and the method comprises the following steps: discharging oxygen-iodine chemical laser tail gas into a discharge pipeline, firstly, carrying out I-stage treatment on the tail gas by utilizing activated carbon, and absorbing iodine in the tail gas; secondly, carrying out second-stage treatment on the tail gas by utilizing ammonia gas, and reacting the ammonia gas with chlorine in the tail gas to generate ammonium chloride; then spraying from top to bottom by utilizing spraying liquid to carry out III-stage treatment, and absorbing ammonium chloride; final exhausting tail gas. By spraying impregnated activated carbon and ammonia gas into the tail gas, iodine and chlorine in the tail gas can be efficiently treated at the same time, recycling of iodine is achieved, an ammonium chloride solution can be used as an industrial raw material, and no pollutant is discharged in the technological process.

Description

technical field [0001] The invention relates to the technical field of pollutant treatment in tail gas, in particular to an oxygen iodine chemical laser tail gas treatment method and system. Background technique [0002] Oxygen-iodine chemical laser is a kind of chemical energy excitation, atomic electron magnetic dipole transition laser, which can realize high-power laser output for a long time, is suitable for optical fiber transmission, and has excellent beam quality, and has broad application prospects in the industrial field . [0003] Oxygen-iodine chemical laser principle: chlorine gas and lye generate sodium hypochlorite solution, sodium hypochlorite solution and H 2 o 2 The reaction generates excited state oxygen, and the near-resonant energy transfer between the excited state oxygen and the ground state iodine atom produces an excited state iodine atom, and then the excited state iodine atom transitions to the ground state to generate a 1.315 μm infrared laser. ...

Claims

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Application Information

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IPC IPC(8): B01D53/76B01D53/68
CPCB01D53/10B01D53/68B01D53/76B01D2251/2062B01D2253/102B01D2257/2025B01D2259/40088
Inventor 周永刚薛志亮黄群星李珂
Owner ZHEJIANG UNIV
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