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A kind of activated carbon desulfurization reactivation method

An activated carbon and reactivation technology, applied in chemical instruments and methods, separation methods, filter regeneration, etc., can solve the problems of low added value, low adsorption performance, unfavorable sustainable development of bamboo forest industry, etc., and achieve low production cost, Easy-to-operate, easy-to-achieve effects

Inactive Publication Date: 2017-08-29
长沙沁馨源环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, most of the bamboo charcoal activation methods have low adsorption performance and low added value, which is not conducive to the sustainable development of the bamboo forest industry.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of activated carbon desulfurization reactivation method is made up of following three steps:

[0017] The first step is the preparation of activator powder, according to the mass ratio m 氧化铁 :m 氧化亚铁 :m 三氧化铁 :m 铁酸钠 :m 铁酸钾 :m 氧化镉 =50:45:35:15:25:15, uniformly mixing iron oxide, ferrous oxide, ferric oxide, sodium ferrite, potassium ferrite and cadmium oxide to obtain activator powder;

[0018] The second step is the preparation of modified activated carbon, according to the mass ratio m 活性炭 :m 活化剂粉末 =50:50, activated carbon and activator powder are evenly mixed to obtain modified activated carbon;

[0019] The third step is the preparation of activated carbon, according to the mass ratio m 改性活性炭 :m 胶黏剂 =100:11, uniformly mix the modified activated carbon and adhesive, then add water until the water content is 130%, knead evenly into a ball shape, then dry at 900°C, treat for 5 hours, and then cool to room temperature to obtain activated carbon; Wherein th...

Embodiment 2

[0021] A kind of activated carbon desulfurization reactivation method is made up of following three steps:

[0022] The first step is the preparation of activator powder, according to the mass ratio m 氧化铁 :m 三氧化铁 :m 铁酸钠 :m 铁酸钾 :m 氧化镉 =50:30:10:20:10, uniformly mixing iron oxide, iron trioxide, sodium ferrite, potassium ferrite and cadmium oxide to obtain activator powder;

[0023] The second step is the preparation of modified activated carbon, according to the mass ratio m 活性炭 :m 活化剂粉末 =50:50, activated carbon and activator powder are evenly mixed to obtain modified activated carbon;

[0024] The third step is the preparation of activated carbon, according to the mass ratio m 改性活性炭 :m 胶黏剂 =100:2, uniformly mix the modified activated carbon and the adhesive, then add water until the water content is 80%, knead evenly into a ball, then activate at 10°C, treat for 1.5 hours, and then cool to room temperature to obtain activated carbon; Wherein the adhesive is a hydratin...

Embodiment 3

[0026] A kind of activated carbon desulfurization reactivation method is made up of following three steps:

[0027] The first step is the preparation of activator powder, according to the mass ratio m 氧化铁 :m 氧化亚铁 :m 铁酸钠 :m 铁酸钾 :m 氧化镉 =50:40:8:18:12, uniformly mixing iron oxide, ferrous oxide, sodium ferrite, potassium ferrite, and cadmium oxide to obtain activator powder;

[0028] The second step is the preparation of modified activated carbon, according to the mass ratio m 活性炭 :m 活化剂粉末 =50:40, activated carbon and activator powder are evenly mixed to obtain modified activated carbon;

[0029] The third step is the preparation of activated carbon, according to the mass ratio m 改性活性炭 :m 胶黏剂 =100:5, mix the modified activated carbon and adhesive evenly, then add water until the water content is 110%, knead evenly into a block, then dry at 500°C for 30 minutes, then cool to room temperature to obtain activated carbon ; Wherein the adhesive is a cellulose adhesive.

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PUM

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Abstract

The invention discloses an active carbon desulphurization reactivation method. The method comprises the following steps: 1, preparing activator powder: uniformly mixing iron oxide, ferrous oxide, iron trioxide, sodium ferrite, potassium ferrite and cadmium ferrite according to a mass ratio of 50:0-45:0-35:0-15:0-25:0-15 to prepare the activator powder; 2, preparing modified active carbon: uniformly mixing active carbon with the activator powder according to a mass ratio of 50:0-50 to prepare modified active carbon; and 3, preparing special efficacy active carbon: uniformly mixing the modified active carbon with an adhesive according to a mass ratio of 100:0-11, adding water until the water content is 70-130%, uniformly kneading the obtained mixture to form a sphere, a dough or a block, drying or activating the obtained sphere, dough or block at 0-900DEG C for 5min-5h, and cooling the dried or activated material to normal temperature in order to obtain the special efficiency active carbon, wherein the adhesive is a cellulose adhesive or a water mixture. The method has the advantages of easy realization, convenient operation and low production cost.

Description

technical field [0001] The invention relates to a reactivation method for activated carbon desulfurization, in particular to a method for reactivating activated carbon with metal compound powder. Background technique [0002] Activated carbon is a kind of carbon material with well-developed pore structure, large specific surface area and excellent adsorption performance, and has extensive and important uses in various industries. With the development of the national economy, many fields put forward higher requirements for the performance of activated carbon, which further promotes the development of activated carbon in raw materials, production technology and performance. The preparation of activated carbon is a complex process affected and restricted by many factors, and the difference in raw materials and activation treatment processes will have a significant impact on the performance of activated carbon. [0003] The raw materials for preparing activated carbon with exce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/34B01J20/20
CPCB01J20/20B01J20/3416B01J20/345B01J20/3483B01J2220/42B01J2220/4806
Inventor 彭万喜葛省波张党权
Owner 长沙沁馨源环保科技有限公司