Method for deoxidization by combining compound drugs and UV

An oxygen compounding and pharmaceutical technology, applied in separation methods, chemical instruments and methods, water/sewage treatment, etc., can solve the problems of heavy metals and oxygen removal, slow oxygen removal, expensive catalysts, etc. Poisonous and harmless formula, fast deoxygenation rate, saving effect of dosage

Inactive Publication Date: 2010-06-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of expensive equipment, complex operation and slow deoxygenation rate in the existing physical method deoxygenation technology, and the chemical method deox

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  • Method for deoxidization by combining compound drugs and UV

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specific Embodiment approach 1

[0015]Specific Embodiment 1: The deoxygenation method of this embodiment combined with oxygen-scavenging compound agent / UV is carried out in the following manner: add oxygen-scavenging compound agent (ORC) to the reaction system, and then irradiate with ultraviolet UV light to complete the oxygen-scavenging process ; Wherein the oxygen-scavenging composite agent is composed of sodium sulfite, lithium sulfite, potassium sulfite, magnesium sulfite, calcium sulfite, ammonium sulfite, sulfurous acid, sodium pyrosulfite, lithium pyrosulfite, potassium pyrosulfite, magnesium pyrosulfite, Calcium dithionite, ammonium dithionite, sodium dithionite, lithium dithionite, potassium dithionite, magnesium dithionite, calcium dithionite, ammonium dithionite, sodium nitrite, nitrous acid Potassium, ammonium nitrite, sodium nitrate, potassium nitrate, ammonium nitrate, sodium azide, potassium azide, ammonium azide, sodium hydroxide, potassium hydroxide, potassium iodide, sodium iodide, magnesiu...

specific Embodiment approach 2

[0022] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the reaction system is industrial water supply, boiler water supply, air used in the food industry, air and water used in the petrochemical industry, water used in the textile industry, and used in the metallurgical industry. The air and water used in the electronics industry, the air and water used in the anaerobic sewage treatment industry. Others are the same as in the first embodiment.

[0023] In this embodiment, the reaction system should have better penetrability, and it is required to have less particulate matter in the reaction system, that is, less dust in the air and good visibility; less particulate matter in the water body, or turbidity < 1NTU.

[0024] In this embodiment, oxygen refers to oxygen in any concentration range, and the temperature, partial pressure and other physical and chemical properties of oxygen are not limited.

specific Embodiment approach 3

[0025] Specific embodiment three: the difference between this embodiment and specific embodiment one is that the ultraviolet UV light irradiation adopts a light source with emission wavelength<400nm, and the light source is a low-pressure mercury lamp, a medium-pressure mercury lamp, a high-pressure mercury lamp, an amalgam ultraviolet lamp, a vacuum lamp, etc. UV lamp, halogen lamp, black lamp or xenon lamp. Others are the same as in the first embodiment.

[0026] In this embodiment, the light source needs to be equipped with appropriate electrical control equipment and power supply.

[0027] In this embodiment, the power of ultraviolet UV light irradiation can be selected arbitrarily, and it needs to be determined according to the actual needs of the system (system oxygen concentration, oxygen removal rate and operating cost).

[0028] In this embodiment, the ultraviolet UV light irradiation adopts the immersion type or the surface irradiation type; if the immersion type is...

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Abstract

The invention discloses a method for deoxidization by combining compound drugs and UV, which relates to a deoxidization method. The method solves problems of expensive equipment, complex operation and slow deoxidization speed in the conventional physical deoxidization technology, and also solves the problems of expensive catalysts, large dose, contained heavy metals and slow deoxidization speed in the chemical deoxidization technology. The method comprises the following step: adding deoxidization compound drugs into a reaction system, and irradiating with ultraviolet to finish the deoxidization. The method can efficiently and stably remove dissolved oxygen in air and water without expensive equipment and components, and has advantages of simple operation, safety, fast deoxidization speed, no need of expensive catalysts, no contained heavy metals, less dose, cost conservation, less effect on water quality and no special requirements on air impurities in the reaction system, and water quality indexes such as pH value in water, temperature, salinity, organics and the like. Therefore, the method can be widely applied to deoxidization in air and water.

Description

technical field [0001] The invention relates to a method for removing oxygen. Background technique [0002] About 21% of oxygen (O 2 ), is a substance with active chemical properties and strong oxidation ability. It can undergo oxidation-reduction reactions with many substances such as metals, non-metals, and organic substances to oxidize metals and decompose organic substances to form more stable oxidation products or precipitates. When oxygen in the air is dissolved in water to form dissolved oxygen, it is also easy to react with metals, etc. to form oxides. Due to the strong oxidation ability of oxygen, many industries, such as industrial water supply, boiler water supply, food, petrochemical, textile, metallurgy, electronics, sewage anaerobic treatment and other industries, need to remove dissolved oxygen in the air or water. [0003] At present, oxygen removal technology mainly includes physical method and chemical method. Among them, physical deoxygenation includes...

Claims

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Application Information

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IPC IPC(8): B01D53/74B01D53/46C02F1/58
Inventor 马军李旭春刘桂芳关英红陈丽玮方晶云张静
Owner HARBIN INST OF TECH
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