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Supported catalyst preparation method

A technology of a supported catalyst and a catalyst carrier, applied in the field of air purification, can solve the problems of complicated operation, high preparation cost, difficult to control the size of the dummy specific gravity, etc., and achieve the effects of convenient replacement, good effect and lasting effect.

Active Publication Date: 2019-12-31
ZHEJIANG CHENWEI ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the false specific gravity of the catalyst can be changed by using this method, it is not easy to control the false specific gravity, and the operation is complicated and the preparation cost is high

Method used

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Embodiment 1

[0086] In this embodiment, the active component, the catalyst carrier and the pore-forming agent are mixed, the mixture is added to the extruder, and extruded through the extruder, wherein the active component is a metal platinum-manganese dioxide composite, and the catalyst carrier is It is activated carbon particles, the pore-forming agent is water, and the specific surface area of ​​activated carbon particles is 800m 2 / g, the preparation of supported catalyst comprises the following steps:

[0087] Step 1: Weigh 2wt% metal platinum-manganese dioxide composite and 89wt% activated carbon particles, and fully mix the two in a mixer at room temperature in advance for 30 minutes to obtain a mixture of the two.

[0088] The second step: transfer the mixture to a kneader, add 9wt% water, knead the kneader for 40min, and obtain the kneaded mixture. The total content of metal platinum-manganese dioxide composite, activated carbon particles and water is 100%, wherein the content of...

Embodiment 2

[0093] In this embodiment, the active component, co-catalyst, catalyst carrier and pore-forming agent are mixed, and the mixture is extruded through an extruder, wherein the active component is metal platinum-manganese dioxide composite, and the co-catalyst is alumina. The catalyst carrier is activated carbon particles, the pore-forming agent is water, and the specific surface area of ​​the activated carbon particles is 800m 2 / g, the preparation of supported catalyst can comprise the following steps:

[0094] The first step: Weigh 2wt% metal platinum-manganese dioxide composite, 0.2wt% alumina, and 89.8wt% activated carbon particles, and fully mix the three in a mixer at room temperature in advance, and the mixing time is 30min , to obtain a mixture of the three.

[0095] Step 2: transfer the mixture to a kneader, add water, the water is 8% by weight, and knead for 40 minutes to obtain a kneaded mixture.

[0096] Step 3: Add the kneaded mixture into the single-screw extrude...

Embodiment 3

[0099] In this embodiment, the active component, activator, catalyst carrier and pore-forming agent are mixed, and the mixture is extruded through an extruder, wherein the active component is a metal platinum-manganese dioxide composite, and the activator is graphene. The catalyst carrier is activated carbon particles, the pore-forming agent is water, and the specific surface area of ​​the activated carbon particles is 800m 2 / g, the preparation of supported catalyst comprises the following steps:

[0100] The first step: Weigh 2wt% metal platinum-manganese dioxide composite, 0.2wt% graphene, and 89.8wt% activated carbon particles, and fully mix the three in a mixer at room temperature in advance, and the mixing time is 30min , to obtain a mixture of the three.

[0101] Step 2: transfer the mixture to a kneader, add water, the water is 8wt% by weight, and knead for 40min to obtain a kneaded mixture.

[0102] Step 3: Add the kneaded mixture into the single-screw extruder; the...

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Abstract

The invention discloses a supported catalyst preparation method, which comprises: heating a mixture of an active component, a catalyst carrier and a pore-forming agent, wherein the heating temperatureis higher than the boiling point of the pore-forming agent. According to the invention, with the preparation method, the macroscopic form of the supported catalyst can be changed, the macroscopic form of the particles of the supported catalyst can be controlled, and the internal microcosmic form can be affected.

Description

technical field [0001] The invention relates to the field of air purification, more specifically, it relates to a preparation method of a supported catalyst. Background technique [0002] In 2013, with the concentrated outbreak of smog in many cities across the country, the issue of air pollution has become a social hot issue, and the market for indoor air treatment has also been established in a short period of time. Air quality has become one of the people's most concerned livelihood issues. Frequent smog and indoor environmental pollution caused by decoration and furniture are increasing. These two factors have given birth to the indoor environmental protection industry represented by air and car purifiers. is showing a vigorous momentum of development. [0003] In view of the current increasingly serious air pollution situation, it is necessary to research and develop air purification products suitable for China's national conditions. Although the industry has launched...

Claims

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Application Information

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IPC IPC(8): B01J23/656B01J37/08B01J35/10B01D53/86B01D53/44
CPCB01J23/6562B01J23/002B01J37/08B01D53/8687B01D2258/06B01D2257/708B01J35/618B01J35/615B01J35/617Y02A50/20
Inventor 王猛马新宇
Owner ZHEJIANG CHENWEI ENVIRONMENTAL TECH CO LTD
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