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Green and environment-friendly automobile tail gas cleaning agent and preparation method thereof

A vehicle exhaust, green and environmental protection technology, applied in separation methods, chemical instruments and methods, gas treatment and other directions, can solve problems such as aggravating hazards, and achieve the effects of improving service life, high catalytic efficiency, and good mechanical properties

Inactive Publication Date: 2019-02-22
方雪美
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, because carbon monoxide is colorless and odorless at room temperature, people are completely unaware of its existence, which further exacerbates its harmfulness.

Method used

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  • Green and environment-friendly automobile tail gas cleaning agent and preparation method thereof
  • Green and environment-friendly automobile tail gas cleaning agent and preparation method thereof
  • Green and environment-friendly automobile tail gas cleaning agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] figure 1 It is a flow chart of the preparation method of the green environment-friendly automobile exhaust cleaner of the present invention. As shown in the figure, the preparation method of automobile exhaust cleaner of the present invention comprises the steps:

[0019] Step 101: Mix cerium nitrate, AEO-3 and deionized water to obtain a first mixed solution, wherein the concentration of cerium nitrate is 0.1-0.15 mol / L, and the concentration of AEO-3 is 0.03-0.05 mol / L;

[0020] Step 102: Using a magnetic stirrer to stir the first mixed solution until the first mixed solution is clear;

[0021] Step 103: adding a sufficient amount of urea to the stirred first mixed solution and performing magnetic stirring to obtain a second mixed solution;

[0022] Step 104: adding graphene oxide into the second mixed solution and performing magnetic stirring to obtain a graphene oxide-loaded preform;

[0023] Step 105: heating the graphene oxide-loaded preform to obtain a graphen...

Embodiment 1

[0033]The automobile exhaust cleaner is prepared by the following method: mixing cerium nitrate, AEO-3 and deionized water to obtain the first mixed solution, wherein the concentration of cerium nitrate is 0.1mol / L, and the concentration of AEO-3 is 0.03mol / L ; Use a magnetic stirrer to stir the first mixed solution until the first mixed solution is clear; add a sufficient amount of urea to the stirred first mixed solution and perform magnetic stirring to obtain a second mixed solution; add to the second mixed solution Oxidize graphene and perform magnetic stirring to obtain a graphene oxide-loaded preform; heat the graphene oxide-loaded preform to obtain a graphene oxide-loaded precursor; clean and vacuum-dry the graphene oxide-loaded precursor to obtain graphite oxide Semi-finished product of cerium oxide supported on ene; calcining semi-finished product of cerium oxide supported on graphene oxide to obtain cerium oxide supported on graphene oxide; providing metal Fe powder, ...

Embodiment 2

[0035] The automobile exhaust cleaner is prepared by the following method: mixing cerium nitrate, AEO-3 and deionized water to obtain the first mixed solution, wherein the concentration of cerium nitrate is 0.15mol / L, and the concentration of AEO-3 is 0.05mol / L ; Use a magnetic stirrer to stir the first mixed solution until the first mixed solution is clear; add a sufficient amount of urea to the stirred first mixed solution and perform magnetic stirring to obtain a second mixed solution; add to the second mixed solution Oxidize graphene and perform magnetic stirring to obtain a graphene oxide-loaded preform; heat the graphene oxide-loaded preform to obtain a graphene oxide-loaded precursor; clean and vacuum-dry the graphene oxide-loaded precursor to obtain graphite oxide Semi-finished product of cerium oxide supported on ene; calcining semi-finished product of cerium oxide supported on graphene oxide to obtain cerium oxide supported on graphene oxide; providing metal Fe powder...

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Abstract

The invention provides a green and environment-friendly automobile tail gas cleaning agent. A preparation method of the cleaning agent includes the steps: mixing cerium nitrate, AEO-3 and deionized water to obtain first mixed solution; stirring the first mixed solution until the first mixed solution is clarified, adding sufficient urea into the first mixed solution to magnetically stir mixture toobtain second fixed liquid; adding graphene oxide into the second fixed liquid to magnetically stir mixture, heating the mixture, performing cleaning and vacuum drying to obtain a graphene oxide loaded cerium oxide semi-finished product; calcining the graphene oxide loaded cerium oxide semi-finished product to obtain graphene oxide loaded the cerium oxide; providing metal Fe powder, metal Al powder, titanium carbide and short carbon fibers; repeatedly ball-milling the metal Fe powder, the metal Al powder, the titanium carbide, the short carbon fibers and the graphene oxide loaded the cerium oxide to obtain automobile tail gas cleaning agent powder; performing isostatic cool pressing and hot pressing on the automobile tail gas cleaning agent powder to obtain the automobile tail gas cleaningagent. The method is high in production efficiency, and the automobile tail gas cleaning agent is high in treatment efficiency.

Description

technical field [0001] The invention relates to the technical field of automobile exhaust treatment, in particular to a green and environment-friendly automobile exhaust cleaner and a preparation method thereof. Background technique [0002] Carbon monoxide, carbon dioxide and hydrocarbons contained in automobile exhaust have become an important source of air pollution. Carbon monoxide is very harmful. When its concentration exceeds a certain range, it will cause certain damage to the human body, and seriously threaten human life. In addition, because carbon monoxide is colorless and odorless at room temperature, people are completely unaware of its existence, which further exacerbates its harmfulness. A large amount of carbon dioxide emissions will not only cause the greenhouse effect, global warming, and destroy the living environment. When the concentration exceeds 4%, it will also cause headaches, vomiting, dyspnea and other discomfort symptoms in the human body. In sev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/62B01D53/94B01J23/83
CPCB01D53/62B01D53/94B01D2257/502B01J23/83
Inventor 方雪美
Owner 方雪美
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