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Adsorbent concentrator for odorous compounds and VOCs

An organic compound and compound technology, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problems of zeolite adsorption performance and service life, unusable, zeolite structure damage and other problems

Inactive Publication Date: 2015-10-14
ENBION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] However, when the gas to be treated contains ammonia, hydrogen sulfide, and acetaldehyde, zeolites mainly used in such systems are problematic in terms of adsorption performance and service life
Especially in the case of dealing with gases whose pH decreases upon decomposition, zeolites are structurally damaged and therefore cannot be used

Method used

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  • Adsorbent concentrator for odorous compounds and VOCs
  • Adsorbent concentrator for odorous compounds and VOCs
  • Adsorbent concentrator for odorous compounds and VOCs

Examples

Experimental program
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Effect test

example 1

[0049] Treatment of odorous compounds and VOCs (such as ammonia, hydrogen sulfide, CH 3 CHO and toluene, etc.) exhaust gas.

[0050] In this way, the front of the adsorption concentration unit ( figure 1 with figure 2 the first adsorption part) and the back ( figure 1 with figure 2 Each of the second adsorption members) was coated with the adsorption material in an amount of about 30 wt % based on the amount of the support. In particular, the frontage is at 380m 2 The specific surface area / g is coated with silicon oxide, activated carbon powder and synthetic zeolite in amounts of 40%, 10%, and 50%, respectively, as adsorption materials. The back is coated with synthetic zeolite in an amount of 100%. The thicknesses of the first adsorption member and the second adsorption member were set to 100 mm and 200 mm, respectively.

[0051] The treatment conditions are as follows: the rate at which exhaust gas passes through the adsorption concentration unit is 2m / s; the desorp...

example 2

[0062] Treatment of odorous compounds and VOCs (such as ammonia, hydrogen sulfide, CH 3 CHO, toluene, etc.) exhaust gas.

[0063] In this way, the front of the adsorption concentration unit ( figure 1 with figure 2 the first adsorption part) and the back ( figure 1 with figure 2 Each of the second adsorption members) was coated with the adsorption material in an amount of about 30 wt % based on the amount of the support. In particular, the frontage is at 380m 2 The specific surface area per g was coated with a mixture of silica and synthetic zeolite in an amount of 50% and 50%, respectively, as adsorption material. The back is coated with synthetic zeolite in an amount of 100%. The thicknesses of the first adsorption member and the second adsorption member were set to 100 mm and 200 mm, respectively.

[0064] The treatment conditions are as follows: the rate at which exhaust gas passes through the adsorption concentration unit is 2m / s; the desorption temperature of od...

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Abstract

The present invention discloses an adsorbent concentrator for odorous compounds and VOCs, which is suitable for absorbing odorous compounds containing low-concentration sulphur, odorous compounds containing nitrogen, and exhaust gas of VOCs. The adsorbent concentrator includes: a first adsorbent part including at least one adsorbent material of an adsorbent material group selected from porous silica, aluminium oxide, silicon oxide aluminium oxide and carbon type adsorbent; and a second adsorbent part mounted on the back face of the first adsorbent part and including synthetic zeolite as the adsorbent material. Thus, problems in the aspect of adsorptive property or service life do not occure when the gas containing ammonia, sulfuretted hydrogen and acelaldehyde is processed.

Description

technical field [0001] The present invention relates to an absorptive concentrator for odor and volatile organic compounds (VOCs), and more particularly, to an absorptive concentrator for odor compounds and VOCs, which is suitable for effectively purifying Exhaust gas containing polluting components such as odorous compounds and VOCs. Background technique [0002] With the enforcement of recent laws and regulations on air quality, technologies for treating odorous compounds such as ammonia, hydrogen sulfide, etc., and VOCs such as toluene, xylene, etc. have been actively developed. [0003] In particular, it is very difficult to treat sulfur-based odor compounds such as hydrogen sulfide, methyl mercaptan, and dimethyl sulfide; nitrogen-based odor compounds such as ammonia and amines; and VOCs such as acetaldehyde and aromatic compounds (all These co-exist) exhaust gas. [0004] Although this exhaust gas contains a small amount of thermally oxidizable components, it is trea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/02B01D53/06
CPCB01D53/02B01D53/1468B01D53/1487B01D53/46
Inventor 李贤宰
Owner ENBION
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