CN103495401A - Eggshell modified activated carbon adsorbent and its preparation method - Google Patents
Eggshell modified activated carbon adsorbent and its preparation method Download PDFInfo
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- CN103495401A CN103495401A CN201310387455.9A CN201310387455A CN103495401A CN 103495401 A CN103495401 A CN 103495401A CN 201310387455 A CN201310387455 A CN 201310387455A CN 103495401 A CN103495401 A CN 103495401A
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Abstract
An eggshell modified activated carbon adsorbent is characterized by being prepared from the following raw materials: by weight, 100-110 parts of activated carbon, 2-3 parts of sodium hydroxide, 4-5 parts of styrene, 3-4 parts of octadecyl acrylate, 20-23 parts of eggshell, 8-10 parts of modified attapulgite and a proper amount of water. The eggshell modified activated carbon adsorbent uses the eggshell for grinding and high temperature heat treatment, the pore density and pore size are increased, other substances can be absorbed and accommodated, calcium carbonate in the eggshell is activated for desulfurization, and new uses of the eggshell can be implemented; by adding of the styrene and the octadecyl acrylate, the eggshell modified activated carbon adsorbent has an increased strength and is not easy to collapse; and the eggshell modified activated carbon adsorbent has the advantages of easily obtained raw materials, simple process and low cost, is suitable for industrial production, may not produce harmful materials, and has a good application prospect.
Description
Technical field
The present invention relates to a kind of method of modifying of nonmetallic ore, relate in particular to a kind of eggshell modified activated carbon absorbent 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 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 a kind of eggshell modified activated carbon absorbent and preparation method thereof.
Technical scheme of the present invention is as follows:
A kind of eggshell modified activated carbon absorbent is characterized in that being made by the raw material of following weight portion: active carbon 100-110, NaOH 2-3, styrene 4-5, octadecyl acrylate 3-4, eggshell 20-23, 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, and under 850-870 ℃, calcining 4-5 hour, take out, putting into suitable quantity of water grinds again, regulating the lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, regulate again the lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200-300 order slurry, spray-drying, obtain.
The preparation method of described eggshell modified activated carbon absorbent, it is characterized in that comprising the following steps: after eggshell is pulverized, become 100-150 order powder with active carbon, NaOH, styrene, octadecyl acrylate mixed grinding, then, join in suitable quantity of water, continue to grind, obtain 200-300 order slurry, the material pH value of sizing mixing is for neutral, spray-drying, mix with attapulgite modified again, send in 290-320 ℃ of heat-treatment furnace and process 3-4 hour, take out and get final product.
Divide the beneficial effect of the invention
The present invention used eggshell through grinding, density and the aperture in high-temperature heat treatment hole increase, and can adsorb and hold other materials, and the calcium carbonate in eggshell activated, can desulfurization, realized the purposes that eggshell is new; By adding styrene, octadecyl acrylate to make this acticarbon strength increase, not easy disintegrating; Raw material of the present invention is easy to get, and technique is simple, and cost is low, is applicable to suitability for industrialized production, and unharmful substance generates, and has a good application prospect.
The specific embodiment
A kind of eggshell modified activated carbon absorbent, by the raw material of following weight portion (kilogram), made: active carbon 100-110, NaOH 2-3, styrene 4-5, octadecyl acrylate 3-4, eggshell 20-23, attapulgite modified 8-10, water are appropriate;
The described attapulgite modified raw material by following weight portion (kilogram) is made: 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, and under 860 ℃, calcining is 4 hours, takes out, putting into suitable quantity of water grinds again, regulating the lapping liquid pH value is 4, grinds 1 hour, obtains 100 order slurries, regulate again the lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200 order slurries, spray-drying, obtain.
The preparation method of described eggshell modified activated carbon absorbent, comprise the following steps: after eggshell is pulverized, become 100-150 order powder with active carbon, NaOH, styrene, octadecyl acrylate mixed grinding, then, join in suitable quantity of water, continue to grind, obtain 200-300 order slurry, the material pH value of sizing mixing is for neutral, spray-drying, mix with attapulgite modified again, send in 290-320 ℃ of heat-treatment furnace and process 3-4 hour, take out and get final product.
After measured, its iodine number 1541mg/g, methylene blue adsorption value 26.3mL/0.1g.
Claims (2)
1. an eggshell modified activated carbon absorbent is characterized in that being made by the raw material of following weight portion: active carbon 100-110, NaOH 2-3, styrene 4-5, octadecyl acrylate 3-4, eggshell 20-23, 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, and under 850-870 ℃, calcining 4-5 hour, take out, putting into suitable quantity of water grinds again, regulating the lapping liquid pH value is 4-5, grinds 1-2 hour, obtains 100-150 order slurry, regulate again the lapping liquid pH value for neutral, add other residual components, continue to grind, obtain 200-300 order slurry, spray-drying, obtain.
2. the preparation method of eggshell modified activated carbon absorbent according to claim 1, it is characterized in that comprising the following steps: after eggshell is pulverized, become 100-150 order powder with active carbon, NaOH, styrene, octadecyl acrylate mixed grinding, then, join in suitable quantity of water, continue to grind, obtain 200-300 order slurry, the material pH value of sizing mixing is for neutral, spray-drying, mix with attapulgite modified again, send in 290-320 ℃ of heat-treatment furnace and process 3-4 hour, take out and get final product.
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CN201310387455.9A CN103495401A (en) | 2013-08-30 | 2013-08-30 | Eggshell modified activated carbon adsorbent and its preparation method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105642229A (en) * | 2016-03-24 | 2016-06-08 | 柳州市中晶科技有限公司 | Activated-carbon adsorbent and preparation method thereof |
CN105749869A (en) * | 2016-03-24 | 2016-07-13 | 柳州市中晶科技有限公司 | Preparation method of activated carbon adsorbent for filter |
CN106943801A (en) * | 2017-03-24 | 2017-07-14 | 孙志廷 | A kind of waste modified activated carbon of egg shell is combined the preparation method of arsenic removal filter core |
Citations (3)
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CN1935313A (en) * | 2006-09-18 | 2007-03-28 | 周祎 | Gas phase-liquid phase fluid multifunctional filtering core and its manufacturing method |
CN102527337A (en) * | 2012-03-08 | 2012-07-04 | 天津市嘉腾环保设备有限公司 | Compound adsorbent grain and production method thereof |
US20130177620A1 (en) * | 2009-11-24 | 2013-07-11 | The Clorox Company | Non-visible activated carbon in absorbent materials |
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2013
- 2013-08-30 CN CN201310387455.9A patent/CN103495401A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1935313A (en) * | 2006-09-18 | 2007-03-28 | 周祎 | Gas phase-liquid phase fluid multifunctional filtering core and its manufacturing method |
US20130177620A1 (en) * | 2009-11-24 | 2013-07-11 | The Clorox Company | Non-visible activated carbon in absorbent materials |
CN102527337A (en) * | 2012-03-08 | 2012-07-04 | 天津市嘉腾环保设备有限公司 | Compound adsorbent grain and production method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105642229A (en) * | 2016-03-24 | 2016-06-08 | 柳州市中晶科技有限公司 | Activated-carbon adsorbent and preparation method thereof |
CN105749869A (en) * | 2016-03-24 | 2016-07-13 | 柳州市中晶科技有限公司 | Preparation method of activated carbon adsorbent for filter |
CN106943801A (en) * | 2017-03-24 | 2017-07-14 | 孙志廷 | A kind of waste modified activated carbon of egg shell is combined the preparation method of arsenic removal filter core |
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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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Free format text: CORRECT: APPLICANT; FROM: BENGBU FENGHUANG FILTERS CO., LTD. TO: ANHUI PHOENIX INTERNATIONAL CO., LTD. |
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Application publication date: 20140108 |
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