CN103495388A - Modified activated carbon for low-concentration flue gas desulphurization and its preparation method - Google Patents
Modified activated carbon for low-concentration flue gas desulphurization and its preparation method Download PDFInfo
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- CN103495388A CN103495388A CN201310387435.1A CN201310387435A CN103495388A CN 103495388 A CN103495388 A CN 103495388A CN 201310387435 A CN201310387435 A CN 201310387435A CN 103495388 A CN103495388 A CN 103495388A
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Abstract
Modified activated carbon for low-concentration flue gas desulphurization is prepared from the following raw materials: by weight, 80-90 parts of activated carbon, 10-12 parts of aluminum hydroxide, 2-3 parts of vanadium pentoxide, 6-7 parts of alum, 10-12 parts of hibiscus bark, 8-10 parts of modified attapulgite and a proper amount of water. The modified activated carbon uses the aluminum hydroxide, the vanadium pentoxide and the alum for modification of the activated carbon, the desulfurization efficiency is improved, the reaction activity of the activated carbon is increased by calcination, spray drying and other processes, and the modified activated carbon is conducive to the sulfide removal in low concentration flue gas; the modified activated carbon has the advantages of simple process and easily available raw materials, and can realize industrialized production.
Description
Technical field
The present invention relates to a kind of method of modifying of nonmetallic ore, relate in particular to modified activated carbon and preparation method thereof for a kind of desulfurizing low concentration fume.
Background technology
Along with scientific and technological development, the progressively construction of modernization industry, various chemicals are exploited, and have brought facility to people's life, simultaneously because chemicals has produced environment and the harmful material of human body, the problem that has also become people to have to face.
Current airborne pollutant is mainly the toxic and harmful produced in the gas that produces of industrial fuel burning, vehicle exhaust, production.It is mainly to contain a large amount of noxious materials in the sewage of industrial production discharge that water pollutes, and also has the sewage in people's life to produce a lot of harmful substances.Also have and many times need to remove toxin in people life, such as air conditioning filter has a lot of bacteriums, toxin on the net, newly-decorated has the harmful substance such as formaldehyde, all needs to remove toxin.All remove at present toxin and often use adsorbent, mainly contain silica gel, activated alumina, active carbon, molecular sieve etc., the sorbing material of developing for certain compositional selecting absorption in addition in addition.But the most adsorption capacity of these adsorbents is limited, need to study different adsorbents for different requirements, bring into play best effect.Simultaneously, find new raw material, to strengthen adsorption effect, cost-saving.
Summary of the invention
The object of the present invention is to provide modified activated carbon and preparation method thereof for a kind of desulfurizing low concentration fume.
Technical scheme of the present invention is as follows:
A kind of desulfurizing low concentration fume modified activated carbon is characterized in that being made by the raw material of following weight portion: active carbon 80-90, aluminium hydroxide 10-12, vanadic anhydride 2-3, alum 6-7, Cortex hibisus syriacus 10-12, attapulgite modified 8-10, water are appropriate; The described attapulgite modified raw material by following weight portion is made: attapulgite 120-130, silver nitrate 1-2, alum 5-6, iron ore ground-slag 1-2, polytetrafluoroethylene (PTFE) 4-5, titanium sulfate 14-18, jade powder 12-14, zinc sulfate 1-2, chromium oxide 3-4, morpholine 1-2, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2-3, water are appropriate; Attapulgite, iron ore ground-slag are sent in calcining furnace, and under 950-990 ℃, calcining 3-4 hour, take out, and spills the N-2-(aminoethyl)-the 3-aminopropyl trimethoxysilane
,put into suitable quantity of water again and grind, regulating the lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, then regulates the lapping liquid pH value for neutral, adds other residual components, continues to grind, and obtains 200-300 order slurry, and spray-drying, obtain.
The preparation method of modified activated carbon for described desulfurizing low concentration fume, it is characterized in that comprising the following steps: aluminium hydroxide, vanadic anhydride, alum, Cortex hibisus syriacus powder are added to water and mix, granulation, send into calcination processing 3-4 hour in 580-620 ℃ of calcining furnace, takes out, with active carbon, together with attapulgite modified, add in suitable quantity of water, be heated to 80-90 ℃, grind to obtain 200-300 order slurry, spray-drying, send into again in 430-460 ℃ of heat-treatment furnace and process 2-3 hour, obtain.
Divide the beneficial effect of the invention
The present invention has used aluminium hydroxide, vanadic anhydride, alum to carry out modification to active carbon, and desulfuration efficiency improves, and has increased the reactivity of active carbon through techniques such as calcining, spray-dryings, and the sulfide be conducive in low-concentration flue gas removes; Technique of the present invention is simple, and raw material is easy to get, and can realize suitability for industrialized production.
The specific embodiment
A kind of desulfurizing low concentration fume modified activated carbon, by the raw material of following weight portion (kilogram), made: active carbon 85, aluminium hydroxide 11, vanadic anhydride 2, alum 6, Cortex hibisus syriacus 11, attapulgite modified 9, water is appropriate;
The described attapulgite modified raw material by following weight portion (kilogram) is made: attapulgite 110, silver nitrate 1.5, alum 5, iron ore ground-slag 1, polytetrafluoroethylene (PTFE) 4, titanium sulfate 16, jade powder 13, zinc sulfate 1, chromium oxide 3, morpholine 1, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2, water are appropriate; Attapulgite, iron ore ground-slag are sent in calcining furnace, and under 970 ℃, calcining is 3 hours, takes out, and spills the N-2-(aminoethyl)-the 3-aminopropyl trimethoxysilane
,put into suitable quantity of water again and grind, regulating the lapping liquid pH value is 4, grinds 1 hour, obtains 100 order slurries, then regulates the lapping liquid pH value for neutral, adds other residual components, continues to grind, and obtains 200 order slurries, and spray-drying, obtain.
The preparation method of modified activated carbon for described desulfurizing low concentration fume, it is characterized in that comprising the following steps: aluminium hydroxide, vanadic anhydride, alum, Cortex hibisus syriacus powder are added to water and mix, granulation, send in 600 ℃ of calcining furnaces calcination processing 3 hours, takes out, with active carbon, together with attapulgite modified, add in suitable quantity of water, be heated to 85 ℃, grind to obtain 200-order slurry, spray-drying, send into again in 440 ℃ of heat-treatment furnaces and process 2 hours, obtain.
After measured, its iodine number 1524mg/g, methylene blue adsorption value 27.1mL/0.1g.
Claims (2)
1. a desulfurizing low concentration fume modified activated carbon is characterized in that being made by the raw material of following weight portion: active carbon 80-90, aluminium hydroxide 10-12, vanadic anhydride 2-3, alum 6-7, Cortex hibisus syriacus 10-12, attapulgite modified 8-10, water are appropriate; The described attapulgite modified raw material by following weight portion is made: attapulgite 120-130, silver nitrate 1-2, alum 5-6, iron ore ground-slag 1-2, polytetrafluoroethylene (PTFE) 4-5, titanium sulfate 14-18, jade powder 12-14, zinc sulfate 1-2, chromium oxide 3-4, morpholine 1-2, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2-3, water are appropriate; Attapulgite, iron ore ground-slag are sent in calcining furnace, and under 950-990 ℃, calcining 3-4 hour, take out, and spills the N-2-(aminoethyl)-the 3-aminopropyl trimethoxysilane
,put into suitable quantity of water again and grind, regulating the lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, then regulates the lapping liquid pH value for neutral, adds other residual components, continues to grind, and obtains 200-300 order slurry, and spray-drying, obtain.
2. the preparation method of modified activated carbon for desulfurizing low concentration fume according to claim 1, it is characterized in that comprising the following steps: aluminium hydroxide, vanadic anhydride, alum, Cortex hibisus syriacus powder are added to water and mix, granulation, send into calcination processing 3-4 hour in 580-620 ℃ of calcining furnace, take out, with active carbon, together with attapulgite modified, add in suitable quantity of water, be heated to 80-90 ℃, grind to obtain 200-300 order slurry, spray-drying, send into again in 430-460 ℃ of heat-treatment furnace and process 2-3 hour, obtain.
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| CN201310387435.1A CN103495388A (en) | 2013-08-30 | 2013-08-30 | Modified activated carbon for low-concentration flue gas desulphurization and its preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437367A (en) * | 2014-11-13 | 2015-03-25 | 蚌埠德美过滤技术有限公司 | Cost-effective activated carbon filter material with reasonable pore size distribution and preparation method thereof |
| CN105921098A (en) * | 2016-06-16 | 2016-09-07 | 马鞍山市顺达环保设备有限公司 | Easily dispersed modified fly ash adsorbent |
| CN109482048A (en) * | 2018-12-29 | 2019-03-19 | 云南永昌硅业股份有限公司 | A kind of water power silicon smelting desulfurizing low concentration fume method |
| CN109985603A (en) * | 2019-03-19 | 2019-07-09 | 南平元力活性炭有限公司 | A kind of efficient low reaction heat type desulphurization denitration active carbon and preparation method thereof |
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| CN101531364A (en) * | 2009-04-27 | 2009-09-16 | 东南大学 | Spherical formed active carbon and method for preparing same |
| US20120083403A1 (en) * | 2010-09-30 | 2012-04-05 | Ningbo Canghai New Materials Development Co., Ltd. | Method for manufacturing photocatalyst multifunctional dust-free active carbon color ball |
| CN102872652A (en) * | 2012-09-25 | 2013-01-16 | 蚌埠凤凰滤清器有限责任公司 | Filter paper containing modified dickite powder |
| CN102888784A (en) * | 2012-09-20 | 2013-01-23 | 蚌埠凤凰滤清器有限责任公司 | Environment-friendly efficient filter filtering paper and preparation method thereof |
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2013
- 2013-08-30 CN CN201310387435.1A patent/CN103495388A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531364A (en) * | 2009-04-27 | 2009-09-16 | 东南大学 | Spherical formed active carbon and method for preparing same |
| US20120083403A1 (en) * | 2010-09-30 | 2012-04-05 | Ningbo Canghai New Materials Development Co., Ltd. | Method for manufacturing photocatalyst multifunctional dust-free active carbon color ball |
| CN102888784A (en) * | 2012-09-20 | 2013-01-23 | 蚌埠凤凰滤清器有限责任公司 | Environment-friendly efficient filter filtering paper and preparation method thereof |
| CN102872652A (en) * | 2012-09-25 | 2013-01-16 | 蚌埠凤凰滤清器有限责任公司 | Filter paper containing modified dickite powder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437367A (en) * | 2014-11-13 | 2015-03-25 | 蚌埠德美过滤技术有限公司 | Cost-effective activated carbon filter material with reasonable pore size distribution and preparation method thereof |
| CN105921098A (en) * | 2016-06-16 | 2016-09-07 | 马鞍山市顺达环保设备有限公司 | Easily dispersed modified fly ash adsorbent |
| CN109482048A (en) * | 2018-12-29 | 2019-03-19 | 云南永昌硅业股份有限公司 | A kind of water power silicon smelting desulfurizing low concentration fume method |
| CN109482048B (en) * | 2018-12-29 | 2021-07-23 | 云南永昌硅业股份有限公司 | Low-concentration flue gas desulfurization method for smelting of silicon carbide by using water and electricity |
| CN109985603A (en) * | 2019-03-19 | 2019-07-09 | 南平元力活性炭有限公司 | A kind of efficient low reaction heat type desulphurization denitration active carbon and preparation method thereof |
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Application publication date: 20140108 |
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