Solid deodorant and preparation method thereof

A deodorant and solid technology, applied in the field of solid deodorant and its preparation, can solve the problem of poor removal effect of mercaptan or thioether compound, loss of deodorant effect of deodorant, difficulty in regeneration of deodorant, etc. problem, to achieve excellent deodorization effect, improve photocatalytic oxidation activity, and achieve the effect of good deodorization effect

Inactive Publication Date: 2020-03-06
陈洁琼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adsorption method uses the adsorption of activated carbon, zeolite and other materials to deodorize. The adsorption capacity of these materials is limited, and once the adsorption reaches saturation, the deodorization effect will be lost; the biological method is to transform the odorous compounds through the metabolism of microorganisms. , so as to achieve the purpose of deodorization. This method has the disadvantages of long treatment period and high treatment cost, and its application is limited; the chemical method uses the irreversible chemical reaction between the odor components and the main components of the chemical liquid to generate new no To achieve the purpose of deodorization, these chemical liquids often have problems such as short action time, large loss, and large dosage, so they have not been widely used
[0004] The current desulfurization and deodorants are mainly for H 2 S has a good removal effect, but the removal effect on mercaptan or thioether compounds is not good
In addition, the oxidation products of sulfur-containing compounds will be deposited on the deodorant, which will easily cause the deodorant to lose its deodorizing effect and make it difficult to regenerate the deodorant

Method used

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  • Solid deodorant and preparation method thereof
  • Solid deodorant and preparation method thereof
  • Solid deodorant and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] The preparation of active semi-coke adsorption particles in this embodiment includes the following steps:

[0038] The semi-coke particles with a particle size of 10 mesh are placed in water, ultrasonically treated at 20KHz for 60 minutes, filtered, and the filter residue is dried, then added with a 10% nitric acid solution soaked for 4 hours, filtered, and the filter residue is washed with water to neutrality and dried to obtain Low-ash semi-coke particles; low-ash semi-coke particles and 200 mesh potassium ferrate powder are mixed uniformly in a mass ratio of 1:0.05 to obtain active semi-coke adsorption particles.

Embodiment 2

[0040] The preparation of active semi-coke adsorption particles in this embodiment includes the following steps:

[0041] The semi-coke particles with a particle size of 20 mesh are placed in water, ultrasonically treated at 30KHz for 30 minutes, filtered, and the filter residue is dried, then added with 30% nitric acid solution soaked for 2h, filtered, and the filter residue is washed with water to neutrality and dried to obtain Low-ash semi-coke particles; low-ash semi-coke particles and 300 mesh potassium ferrate powder are mixed uniformly in a mass ratio of 1:0.1 to obtain active semi-coke adsorption particles.

Embodiment 3

[0043] The preparation of active semi-coke adsorption particles in this embodiment includes the following steps:

[0044] The semi-coke particles with a particle size of 20 mesh are placed in water, ultrasonically treated at 25KHz for 45 minutes, filtered, and the filter residue is dried, and then added with a 20% nitric acid solution soaked for 3 hours, filtered, and the filter residue is washed with water to neutrality and dried to obtain Low-ash semi-coke particles; low-ash semi-coke particles and 300 mesh potassium ferrate powder are mixed uniformly at a mass ratio of 1:0.08 to obtain active semi-coke adsorption particles.

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Abstract

The invention discloses a solid deodorant and a preparation method thereof. The solid deodorant comprises the following components by weight: 20-45 parts of hydroxyl iron oxide, 15-50 parts of activesemicoke adsorption particles and 50-100 parts of a cerium-loaded mesoporous carbon nitride/aluminum oxide compound. The solid deodorant not only has excellent desulfurization and deodorization effects, significantly reduces the content of sulfur-containing odorous substances (including hydrogen sulfide, mercaptan, thioether and other substances), but also has a good deodorization effect on composite stink, and has the characteristics of high efficiency, quick effect and long-acting deodorization. Also the solid deodorant is easy to use, and can be widely applied to deodorization in garbage disposal plants, farms, public toilets and other places.

Description

Technical field [0001] The invention relates to the field of deodorization, in particular to a solid deodorant and a preparation method thereof. Background technique [0002] Odor pollution has received extensive attention from various countries, and is considered by many countries to be one of the six major public hazards second only to noise. In particular, the stench in residential toilets and kitchen sewers, garbage disposal plants, breeding farms, public toilets and other places seriously affects the environment. [0003] The composition of odor is complex, and it is difficult to treat. H 2 S, mercaptans, thioethers and other sulfur-containing compounds are the main components in the odor, so desulfurization and deodorization are the focus of odor pollution control. Desulfurization and deodorization generally use the following three methods: adsorption, biological and chemical methods. The adsorption method uses the adsorption effect of activated carbon, zeolite and other m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/48B01D53/52B01D53/56B01D53/44B01D53/04B01D53/26
CPCB01D53/04B01D53/261B01D53/8603B01D53/8612B01D53/8625B01D53/8687
Inventor 陈洁琼
Owner 陈洁琼
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