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Method for purifying and absorbing spraying granulation flue gas by utilizing resin complex

A technology of resin composites and spray granulation, which is applied in the direction of chemical instruments and methods, separation methods, dispersion particle separation, etc., to achieve the effects of improving adsorption effect, improving compatibility, and increasing specific surface area

Pending Publication Date: 2019-11-26
卢松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are relatively few studies on the improvement of macroporous adsorption resins as bacterial strain adsorption carriers

Method used

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  • Method for purifying and absorbing spraying granulation flue gas by utilizing resin complex
  • Method for purifying and absorbing spraying granulation flue gas by utilizing resin complex

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The method for purifying and absorbing the spray granulation flue gas by using the resin compound comprises the following steps: the spray granulation flue gas first passes through the spray washing tower for spray washing, and the temperature is lowered to below 33°C, and then enters the resin compound Purify and absorb in the reaction chamber, and then discharge.

[0032] The resin complex is prepared from a resin adsorption carrier and a composite bacterial liquid;

[0033] The resin composite is prepared according to the following steps: add the composite bacterial solution to a resin adsorption carrier with 1.5 times the mass, stir at 100 rpm for 30 minutes, then let it stand for 6 hours, collect the solid matter by filtration, and finally dry it at low temperature.

[0034] The preparation method of the resin adsorption carrier comprises the following steps:

[0035] Add 10wt% methanol and 2wt% methylene blue to 1M sodium acetate aqueous solution, stir evenly, he...

Embodiment 2

[0042] The method for purifying and absorbing the spray granulation flue gas by using the resin compound comprises the following steps: the spray granulation flue gas first passes through the spray washing tower for spray washing, and the temperature is lowered to below 33°C, and then enters the resin compound Purify and absorb in the reaction chamber, and then discharge.

[0043] The resin complex is prepared from a resin adsorption carrier and a composite bacterial liquid;

[0044] The resin composite is prepared according to the following steps: add the composite bacterial liquid to a resin adsorption carrier with twice the mass, stir at 100 rpm for 30 minutes, then let it stand for 6 hours, collect the solid matter by filtration, and finally dry it at low temperature.

[0045] The preparation method of the resin adsorption carrier comprises the following steps:

[0046] Add 10wt% methanol and 2wt% methylene blue to 1M sodium acetate aqueous solution, stir evenly, heat to ...

Embodiment 3

[0053] Performance test of resin adsorption carrier of the present invention:

[0054] Taking Example 1 as an example, the control group did not add nano-silica gel powder and coupling agent vinyltriethoxysilane, and the specific surface area, average particle size, and cell adhesion (dry weight) of the carrier were detected, as shown in Table 1. :

[0055] Table 1

[0056] group Specific surface area m 2 / g

[0057] It can be seen from Table 1 that after modification with nano-silica gel powder, the specific surface area of ​​the resin carrier reaches 739m 2 / g, compared with the unmodified control group, it has increased by 31.7%, and the amount of bacterial strain attachment has also been significantly improved, compared with the unmodified control group, it has increased by 67.1%.

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Abstract

The invention belongs to the technical field of environmental protection, and discloses a method for purifying and absorbing spraying granulation flue gas by utilizing a resin complex. The method comprises the following steps: firstly performing spray washing on the spraying granulation flue gas through a spray washing tower, performing cooling to 33 DEG C or less, performing purification absorption in a reaction chamber containing the resin complex, and performing discharge. The method provided by the invention adopts the resin complex to purify and absorb the spraying granulation flue gas, is simple and feasible, and can effectively remove main pollutants such as H2S, SO2 and NOx in the flue gas.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a method for purifying and absorbing spray granulation flue gas by using a resin compound. Background technique [0002] The compound fertilizer workshop uses spray granulation technology in the process of producing compound fertilizer from amino acid waste liquid. The components in the tail gas are relatively complex, mainly including floating dust, dust and fine compound fertilizer particles. The main components of the gas are coal-burning. A large amount of poisonous and pungent gas comes out. The main gas components are hydrogen sulfide, sulfur dioxide, ammonia nitrogen, ketones, aldehydes, esters, benzene dust, water vapor, etc. Especially in cloudy and rainy days or when the air pressure is low, it often causes smog in the factory area and nearby residential areas, and the harm of acid fog and acid rain is quite serious. Therefore, the treatme...

Claims

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Application Information

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IPC IPC(8): B01D53/85B01D53/60
CPCB01D53/85B01D53/523B01D53/60B01D2251/95Y02A50/20
Inventor 刘元涛卢松伏广好杜鹏徐淑伟徐亚娟许传娟郄子玥
Owner 卢松
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