CN103521185A - Modified active carbon based oxidative desulfurization agent and preparation method thereof - Google Patents
Modified active carbon based oxidative desulfurization agent and preparation method thereof Download PDFInfo
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- CN103521185A CN103521185A CN201310387458.2A CN201310387458A CN103521185A CN 103521185 A CN103521185 A CN 103521185A CN 201310387458 A CN201310387458 A CN 201310387458A CN 103521185 A CN103521185 A CN 103521185A
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Abstract
The invention relates to a modified active carbon based oxidative desulfurization agent which is prepared from the following raw materials in parts by weight: 90-100 parts of active carbon, 3-4 parts of lithium carbonate, 40-45 parts of kaoline, 12-14 parts of hydrotalcite powder, 2-3 parts of liquid paraffin, 1-2 parts of benzoyl peroxide, 10-12 parts of polyvinyl alcohol, 8-10 parts of modified attapulgite and a right amount of water. According to the invention, due to use of a strong oxidant benzoyl peroxide, the modified active carbon based oxidative desulfurization agent can oxidize sulfide; if being matched with oxides in lithium carbonate, the modified active carbon based oxidative desulfurization agent has good adsorption and desulfurization performances, can rapidly perform desulfurization, and is suitable for desulfurization of high-concentration sulfide at the high temperature condition; due to use of polyvinyl alcohol, the modified active carbon based oxidative desulfurization agent is good in adhesiveness, difficult to disintegrate and easy to recover and easy to recover.
Description
Technical field
The present invention relates to a kind of method of modifying of nonmetallic ore, relate in particular to a kind of modified activated carbon base oxidation desulfurizing agent and preparation method thereof.
Background technology
Along with scientific and technological development, the progressively construction of modernization industry, various chemicals are exploited, and have brought facility, simultaneously because chemicals has produced environment and the harmful material of human body, the problem that has also become people to have to face to people's life.
Current airborne pollutant is mainly the toxic and harmful producing 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.In people's life, also have and many times need to remove toxin, such as air conditioning filter has a lot of bacteriums, toxin on the net, newly-decorated has the harmful substances 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., also have in addition for certain compositional selecting absorption and the sorbing material of development.But the most adsorption capacity of these adsorbents is limited, need to study different adsorbents for different requirements, bring into play best effect.Meanwhile, find new raw material, to strengthen adsorption effect, cost-saving.
Summary of the invention
The object of the present invention is to provide a kind of modified activated carbon base oxidation desulfurizing agent and preparation method thereof.
Technical scheme of the present invention is as follows:
A base oxidation desulfurizing agent, is characterized in that being made by the raw material of following weight portion: active carbon 90-100, lithium carbonate 3-4, kaolin 40-45, neatly stone flour 12-14, white oil 2-3, benzoyl peroxide 1-2, polyvinyl alcohol 10-12, attapulgite modified 8-10, water are appropriate; The described attapulgite modified raw material by following weight portion is made: attapulgite 120-130, sodium carbonate 3-4, bauxite 5-6, vanadium boride 1-2, jade powder 3-4, ferrous sulfate 1-2, titanium sulfate 14-18, active carbon 12-14, medical stone 2-3, lanthana 1-2, chromium oxide 3-4, morpholine 1-2, water are appropriate; Attapulgite, bauxite, jade powder, active carbon are sent in calcining furnace, at 850-870 ℃, calcined 4-5 hour, take out, putting into suitable quantity of water grinds again, regulating lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, regulate again lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200-300 order slurry, spraying is dry, obtains.
The preparation method of described modified activated carbon base oxidation desulfurizing agent, it is characterized in that comprising the following steps: kaolin, neatly stone flour are pulverized and mixed with white oil, practice into mud shape, send in calcining furnace and calcine 3-4 hour at 920-950 ℃, take out, pulverize, add suitable quantity of water together with active carbon, lithium carbonate, polyvinyl alcohol, grinding distribution, add again benzoyl peroxide, stir after 2-3 hour, grind, obtain 200-300 order slurry, spraying is dry, mixes with attapulgite modified, sends in heat-treatment furnace, at 280-300 ℃, process 2-3 hour, obtain.
Divide the beneficial effect of the invention
The present invention has used strong oxidizer benzoyl peroxide, and energy sulfide oxidation, coordinates the oxide in lithium carbonate, kaolin, can have the rapid desulfurization of good absorption and desulphurizing ability, is applicable to high density sulfides desulfurization under hot conditions.The present invention has used polyvinyl alcohol, and cohesive is good, and easy disintegrating, does not easily reclaim.
The specific embodiment
A base oxidation desulfurizing agent, by following weight portion (kilogram) raw material make: active carbon 95, lithium carbonate 3, kaolin 42, neatly stone flour 13, white oil 2, benzoyl peroxide 1, polyvinyl alcohol 11, attapulgite modified 9, water is appropriate;
Described attapulgite modified by following weight portion (kilogram) raw material make: attapulgite 110, sodium carbonate 3, bauxite 5, vanadium boride 1, jade powder 3, ferrous sulfate 1, titanium sulfate 15, active carbon 13, medical stone 2, lanthana 1, chromium oxide 3, morpholine 1, water are appropriate; Attapulgite, bauxite, jade powder, active carbon are sent in calcining furnace, at 860 ℃, calcined 4 hours, take out, putting into suitable quantity of water grinds again, regulating lapping liquid pH value is 4, grinds 1 hour, obtains 100 order slurries, regulate again lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200 order slurries, spraying is dry, obtains.
The preparation method of described modified activated carbon base oxidation desulfurizing agent, it is characterized in that comprising the following steps: kaolin, neatly stone flour are pulverized and mixed with white oil, practice into mud shape, send in calcining furnace and at 930 ℃, calcine 3 hours, take out, pulverize, add suitable quantity of water together with active carbon, lithium carbonate, polyvinyl alcohol, grinding distribution, add again benzoyl peroxide, stir after 2 hours, grind, obtain 250 order slurries, spraying is dry, mixes with attapulgite modified, sends in heat-treatment furnace, at 290 ℃, process 2 hours, obtain.
After measured, its iodine number 1548mg/g, methylene blue adsorption value 26.4mL/0.1g.
Claims (2)
1. a modified activated carbon base oxidation desulfurizing agent, is characterized in that being made by the raw material of following weight portion: active carbon 90-100, lithium carbonate 3-4, kaolin 40-45, neatly stone flour 12-14, white oil 2-3, benzoyl peroxide 1-2, polyvinyl alcohol 10-12, attapulgite modified 8-10, water are appropriate; The described attapulgite modified raw material by following weight portion is made: attapulgite 120-130, sodium carbonate 3-4, bauxite 5-6, vanadium boride 1-2, jade powder 3-4, ferrous sulfate 1-2, titanium sulfate 14-18, active carbon 12-14, medical stone 2-3, lanthana 1-2, chromium oxide 3-4, morpholine 1-2, water are appropriate; Attapulgite, bauxite, jade powder, active carbon are sent in calcining furnace, at 850-870 ℃, calcined 4-5 hour, take out, putting into suitable quantity of water grinds again, regulating lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, regulate again lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200-300 order slurry, spraying is dry, obtains.
2. the preparation method of modified activated carbon base oxidation desulfurizing agent according to claim 1, it is characterized in that comprising the following steps: by kaolin, neatly stone flour is pulverized and is mixed with white oil, practice into mud shape, send in calcining furnace and calcine 3-4 hour at 920-950 ℃, take out, pulverize, with active carbon, lithium carbonate, polyvinyl alcohol adds suitable quantity of water together, grinding distribution, add again benzoyl peroxide, stir after 2-3 hour, grind, obtain 200-300 order slurry, spraying is dry, mix with attapulgite modified, send in heat-treatment furnace, at 280-300 ℃, process 2-3 hour, obtain.
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| CN201310387458.2A CN103521185A (en) | 2013-08-30 | 2013-08-30 | Modified active carbon based oxidative desulfurization agent and preparation method thereof |
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| CN201310387458.2A CN103521185A (en) | 2013-08-30 | 2013-08-30 | Modified active carbon based oxidative desulfurization agent and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136436A (en) * | 1984-12-07 | 1986-06-24 | Toyota Central Res & Dev Lab Inc | Malodor absorbing material and its preparation |
| JPH0616835B2 (en) * | 1990-09-13 | 1994-03-09 | 東京窯業株式会社 | Deodorant |
| CN1704143A (en) * | 2004-05-28 | 2005-12-07 | 长春东狮科贸实业有限公司 | Active carbon desulfurizing agent and application thereof |
| CN101531364A (en) * | 2009-04-27 | 2009-09-16 | 东南大学 | Spherical formed active carbon and method for preparing same |
| CN102039115A (en) * | 2009-10-12 | 2011-05-04 | 张宏文 | Preparation method of active carbon adsorbent for absorbing acid gases |
| CN102173672A (en) * | 2011-02-25 | 2011-09-07 | 许庆华 | Attapulgite ceramic mud with air purifying function |
-
2013
- 2013-08-30 CN CN201310387458.2A patent/CN103521185A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61136436A (en) * | 1984-12-07 | 1986-06-24 | Toyota Central Res & Dev Lab Inc | Malodor absorbing material and its preparation |
| JPH0616835B2 (en) * | 1990-09-13 | 1994-03-09 | 東京窯業株式会社 | Deodorant |
| CN1704143A (en) * | 2004-05-28 | 2005-12-07 | 长春东狮科贸实业有限公司 | Active carbon desulfurizing agent and application thereof |
| CN101531364A (en) * | 2009-04-27 | 2009-09-16 | 东南大学 | Spherical formed active carbon and method for preparing same |
| CN102039115A (en) * | 2009-10-12 | 2011-05-04 | 张宏文 | Preparation method of active carbon adsorbent for absorbing acid gases |
| CN102173672A (en) * | 2011-02-25 | 2011-09-07 | 许庆华 | Attapulgite ceramic mud with air purifying function |
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Address after: 233000 Mount Huangshan Road, Bengbu high tech Zone, Anhui, No. 8028 Applicant after: ANHUI PHOENIX FILTER CO., LTD. Address before: 233000 Mount Huangshan Road, Bengbu high tech Zone, Anhui, No. 8028 Applicant before: Bengbu Fenghuang Filters Co., Ltd. |
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Application publication date: 20140122 |