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Preparation method of sol modified bamboo charcoal

A sol, bamboo charcoal technology, applied in chemical instruments and methods, catalyst activation/preparation, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problems of poor reusability, blockage of pores, etc. Improve the effect of long-term pollution removal

Inactive Publication Date: 2016-12-21
安徽省石台县牯牛降竹炭制品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as an adsorption material, bamboo charcoal will have disadvantages such as saturated adsorption, pore blockage and poor reusability. How to improve the long-term performance of bamboo charcoal is of great significance to bamboo charcoal.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A preparation method of sol-modified bamboo charcoal, comprising the following steps:

[0017] S1, select 120 parts of water, 1 part of hydrochloric acid, and 0.1 part of ferric nitrate nonahydrate according to parts by mass, and fully mix and stir the selected water, hydrochloric acid, and ferric nitrate nonahydrate to make a solution;

[0018] S2. Select 4 parts of absolute ethanol and 8 parts of butyl titanate according to parts by mass and mix them uniformly to form a solution;

[0019] S3, under the continuous stirring of the stirrer, add the solution formed in step S2 to the solution of step S1, white flocculent precipitate will be produced during the stirring process, the stirring speed of the stirrer is 300r / min, stir for 5 hours, and make a sol;

[0020] S4, aging the sol in step S3 for 7 days to prepare an iron-doped titanium dioxide sol;

[0021] S5. Immerse the cleaned bamboo charcoal in the iron-doped titanium dioxide sol in step S4. After ultrasonic oscil...

Embodiment 2

[0023] A preparation method of sol-modified bamboo charcoal, comprising the following steps:

[0024] S1, select 150 parts of water, 1.5 parts of hydrochloric acid, and 0.3 part of ferric nitrate nonahydrate according to parts by mass, and fully mix and stir the selected water, hydrochloric acid, and ferric nitrate nonahydrate to make a solution;

[0025] S2. Select 5 parts of absolute ethanol and 10 parts of butyl titanate according to parts by mass, and mix them uniformly to form a solution;

[0026] S3, under the continuous stirring of the stirrer, add the solution formed in step S2 to the solution of step S1, white flocculent precipitate will be produced during the stirring process, the stirring speed of the stirrer is 400r / min, stir for 4 hours, and make a sol;

[0027] S4, aging the sol in step S3 for 9 days to prepare an iron-doped titanium dioxide sol;

[0028] S5. Immerse the cleaned bamboo charcoal in the iron-doped titanium dioxide sol in step S4. After ultrasonic ...

Embodiment 3

[0030] A preparation method of sol-modified bamboo charcoal, comprising the following steps:

[0031] S1, select 135 parts of water, 1.2 parts of hydrochloric acid, and 0.2 part of ferric nitrate nonahydrate according to parts by mass, and fully mix and stir the selected water, hydrochloric acid, and ferric nitrate nonahydrate to make a solution;

[0032] S2. Select 4.5 parts of absolute ethanol and 9 parts of butyl titanate according to parts by mass, and mix them uniformly to form a solution;

[0033] S3, under the continuous stirring of the agitator, the solution formed in step S2 is added to the solution of step S1, white flocculent precipitates will be produced during the stirring process, the stirring speed of the agitator is 350r / min, and stirring is carried out for 4.5 hours to form a sol;

[0034] S4, aging the sol in step S3 for 8 days to prepare an iron-doped titanium dioxide sol;

[0035] S5. Immerse the cleaned bamboo charcoal in the iron-doped titanium dioxide s...

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PUM

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Abstract

The invention discloses a preparation method of sol modified bamboo charcoal. The preparation method comprises the following steps: S1, fully mixing and uniformly stirring selected water, hydrochloric acid and iron nitrate nonahydrate to be prepared into a solution; S2, selecting anhydrous alcohol and tetrabutyl titanate and mixing uniformly to form a solution; S3, under the continuous stirring of a stirrer, adding the solution formed in the step S2 to the solution formed in the step S1 to be prepared into a sol; S4, aging the sol formed in the step S3 to be prepared into an iron-doped titania sol; S5, immersing bamboo charcoal in the iron-doped titania sol prepared in the step S4, and carrying out ultrasonic oscillation and low-temperature drying to obtain the sol modified bamboo charcoal. According to the invention, the iron-doped titania sol is prepared at room temperature, and the iron-doped titania sol is used for modifying the bamboo charcoal, titanium dioxide particles are enriched on the surface of the bamboo charcoal to endow the bamboo charcoal with photocatalytic properties, so that the functions of the bamboo charcoal of long-acting removal of pollution, air purification and the like can be improved, and the service life of the bamboo charcoal can be effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of bamboo charcoal modification, in particular to a preparation method of sol-modified bamboo charcoal. Background technique [0002] Bamboo charcoal is a solid product obtained from bamboo as raw material after high-temperature carbonization. It has the characteristics of fineness, porosity, large specific surface area, and strong adsorption force. It also has functions such as conductivity, far-infrared performance, and electromagnetic shielding. It is widely used in water purification. , Air purification, humidity control, health care, preservation, soil improvement, deodorization, electromagnetic wave shielding and other fields. However, bamboo charcoal, as an adsorption material, will have disadvantages such as saturated adsorption, pore blockage and poor reusability. How to improve the long-term performance of bamboo charcoal is of great significance to bamboo charcoal. Contents of the invention [...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30B01J23/745B01J37/02
CPCB01J20/0229B01J20/06B01J20/20B01J23/745B01J37/0211B01J37/0213B01J2523/842B01J2523/47B01J35/19B01J35/39
Inventor 张军
Owner 安徽省石台县牯牛降竹炭制品有限责任公司