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Absorption solution for rubber mixing waste gas treatment and preparation method and application thereof

A technology for rubber banburying and waste gas treatment. It is applied in separation methods, chemical instruments and methods, and dispersed particle separation. It can solve problems such as ineffective removal.

Active Publication Date: 2019-10-11
CHINA CHEM GUILIN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, the treatment objects of this existing absorbent are only sulfides and nitrogen oxides, but due to its particularity, waste gas from rubber banburying contains not only sulfides and nitrogen oxides, but also solid particles (such as carbon black), amines, Odor substances such as ammonia gas, these substances cannot be effectively removed by the above absorbents due to their chemical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1 Sample 1

[0036] Absorbent formula :

[0037] Oxidant 2 parts of magnesium hydroxide, 7 parts of polyethylene glycol monomethyl ether;

[0038] Active agent 3 parts of sodium carbonate, 7 parts of sodium thiocyanate;

[0039] Preparation :

[0040] Prepare the oxidant solution: dissolve the oxidant in an appropriate amount of water according to the ratio to obtain the oxidant solution;

[0041] Preparation of active agent solution: dissolve the active agent in an appropriate amount of water to obtain the active agent solution;

[0042] Mixing: Mix the oxidant solution and the active agent solution, stir evenly, and then continue to add water until the total weight of water added is 1000 parts, continue to stir and mix evenly, and obtain absorption liquid sample 1.

Embodiment 2

[0043] Example 2 Sample 2

[0044] Absorbent formula :

[0045] Oxidant 5 parts of aluminum hydroxide, 4 parts of sulfolane;

[0046] Active agent 5 parts of sodium phosphate, 2 parts of sodium bisilicate;

[0047] Preparation :

[0048]Prepare the oxidant solution: dissolve the oxidant in an appropriate amount of water according to the ratio to obtain the oxidant solution;

[0049] Preparation of active agent solution: dissolve the active agent in an appropriate amount of water to obtain the active agent solution;

[0050] Mixing: Mix the oxidant solution and the active agent solution, stir evenly, and then continue to add water until the total weight of water is 1000 parts, continue to stir and mix evenly, and obtain absorption liquid sample 2.

Embodiment 3

[0051] Example 3 Sample 3

[0052] Absorbent formula :

[0053] Oxidant 4 parts of copper hydroxide, 1 part of piperazine, 3 parts of dimethylacetamide;

[0054] Active agent 4 parts of sodium bicarbonate;

[0055] 0.5 part of pH regulator citric acid;

[0056] Preparation :

[0057] Prepare the oxidant solution: dissolve the oxidant in an appropriate amount of water according to the ratio to obtain the oxidant solution;

[0058] Preparation of active agent solution: dissolve the active agent in an appropriate amount of water to obtain the active agent solution;

[0059] Prepare the pH regulator solution: dissolve the pH regulator in an appropriate amount of water according to the ratio to obtain the pH regulator solution;

[0060] Mixing: Mix the oxidant solution and the active agent solution, stir evenly, and then continue to add water until the total weight of water added is 1000 parts, continue to stir and mix evenly, and finally add the pH regulator to obtain an a...

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PUM

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Abstract

The invention relates to an absorption solution for rubber mixing waste gas treatment and a preparation method and application thereof. The absorption solution comprises an oxidizing agent and an activating agent; the oxidizing agent is selected from magnesium hydroxide, aluminum hydroxide, zinc hydroxide, iron hydroxide and the like; the activating agent is soluble salt capable of being dissolvedin water and can generate CO3<2->, HCO3<->, SO4<2->, HSO4<->, SCN<->, PO4<3->, HPO4<2->, H2PO4<->, HSiO3<-> or SiO3<2-> in the water. In one preferable mode of execution, for carbon black and other solid particle pollutants in rubber mixing waste gas, magnetic nanoparticles wrap the solid particle pollutants, and then the solid particle pollutants wrapped with the magnetic nanoparticles are combined with each other and condensed and fall based on the principle of magnetism, thereby achieving the effective removal of the solid particle pollutants.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to an absorption liquid used for treating waste gas from rubber banburying, its preparation method and application. Background technique [0002] During the production of rubber tires, a certain amount of exhaust gas is produced. The pollution factors of this kind of exhaust gas are mainly industrial dust (solid particles, etc.), odor (gas pollutants, etc.) and other pollutants. The malodorous components will cause certain pollution to the surrounding environment and the environment of the factory area, and it is inevitable to disturb the residents. The flue gas produced in the production process of the banburying workshop and the vulcanization workshop, which contains H 2 S, NH 3 , Organic sulfides, mercaptans, amines and other trace organic component gases not only cause direct harm to the health of operators, but also pollute the surrounding atmospheric environment, and waste ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14
CPCB01D53/1493B01D53/1487
Inventor 马良杨长煌蒋鹏飞侯淳莫湘晋王秀文王智华
Owner CHINA CHEM GUILIN ENG