CN104888735A - Environmentally friendly and energy-saving activated carbon adsorbent with long service life - Google Patents
Environmentally friendly and energy-saving activated carbon adsorbent with long service life Download PDFInfo
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- CN104888735A CN104888735A CN201510260999.8A CN201510260999A CN104888735A CN 104888735 A CN104888735 A CN 104888735A CN 201510260999 A CN201510260999 A CN 201510260999A CN 104888735 A CN104888735 A CN 104888735A
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Abstract
The invention discloses an environmentally friendly and energy-saving activated carbon adsorbent with long service life. The invention is characterized in that the activated carbon adsorbent is prepared from the following raw materials, by weight, 100-150 parts of sludge, 13-17 parts of corn straw, 15-24 parts of peanut shell, 10-15 parts of manganese ore powder, 30-50 parts of zinc chloride, 13-16 parts of magnesium silicate, 5-8 parts of silicon dioxide, 3-5 parts of polyvinyl alcohol, 3-5 parts of polyacrylamide, 4-6 parts of bamboo fiber, 7-9 parts of nanometer silicon powder, 8-10 parts of expanded perlite and a proper amount of distilled water. As the bamboo fiber added has natural bactericidal, bacteriostatic and anti-UV properties, the activated carbon adsorbent is nontoxic and environmentally friendly; the silicon powder added enhances adsorbability and bactericidal property; the expanded perlite added increases adsorption area and enhances heat resistance of the adsorbent. The adsorbent provided by the invention has fresh and fragrant smell, is environmentally friendly and energy-saving, has long service life, has a good adsorption effect, has high reuse efficiency and has a wide application prospect.
Description
Technical field
The present invention relates to absorbent fields, acticarbon that particularly a kind of environmental protection and energy saving service time is long and preparation method thereof.
Background technology
Along with the reinforcement of the quickening of urbanization process, the increase of urban population and environmental consciousness, the discharge capacity of urban industry waste water and sanitary sewage is increasing, and treatment rate of domestic sewage also improves year by year, and the mud generation rate of Sewage Plant also sharply increases.The moisture percentage in sewage sludge of sewage treatment plant is high, has the semi-drying solid waste with complicated rheological characteristic of a large amount of organic matters, poisonous and harmful substance etc., and large, easy corrupt, unstable, the foul smelling of its capacity, if do not dealt carefully with, will bring serious environmental pollution.Active carbon is porous adsorbing material, has abundant pore structure, higher specific area and very strong adsorption capacity.Be widely used in recent years purifying air, deodorizing, decolouring, sewage disposal etc., demand increases.The raw material mainly carbonaceous material such as coal and timber of active carbon, cost is higher, containing a large amount of organic matters in mud, there is the objective condition being processed to carbon-bearing adsorbent, utilize pyrolyzing sludge legal system for active carbon active carbon, cheap active carbon can not only be obtained, soluble heavy metal in mud is changed into indissoluble thing and is fixed in active carbon, thus the pollution reduced environment, active sludge carbon can also be applied to the process such as sewage disposal, air conditioning purge, decolouring, poisonous and harmful substance.
Active carbon is a kind of porous carbonaceous material, its highly developed pore structure makes it have huge surface area, so be easy to fully contact with the toxic and harmful in air, this highly developed pore structure constitutes a powerful absorption field of force, impart the distinctive absorption property of active carbon, thus reach the effect of absorption, purification.Mainly contain chemical classes, biological species, photocatalyst series products in the market, these valuable product, have the restriction of certain service condition, and active carbon class has price material benefit, easy to use, pollution-free, have no side effect, the advantages such as result of use is desirable, but common acticarbon is easily saturated, easy powder falling is scattered, service time is not long, and is separated not easily, the shortcoming of the aspects such as adsorption efficiency is low.
Summary of the invention
The object of the present invention is to provide acticarbon of a kind of environmental protection and energy saving length service time and preparation method thereof.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
The acticarbon that environmental protection and energy saving service time is long, is made up of the raw material of following weight portion: mud 100-150, maize straw 13-17, peanut shell 15-24, manganese ore stone flour 10-15, zinc chloride 30-50, magnesium silicate 13-16, silica 5-8, polyvinyl alcohol 3-5, polyacrylamide 3-5, bamboo fibre 4-6, nano silicon micronization 7-9, expanded perlite 8-10, distilled water are appropriate;
The acticarbon of a kind of environmental protection and energy saving length service time of the present invention, be made up of following concrete steps:
(1) mud of sewage treatment plant is air-dry under natural conditions, dry 18-20h under 110 ° of C in baking oven afterwards, grinding to form particle diameter after cooling is that the mud granule of 1-3mm is stand-by;
(2) by maize straw, peanut shell is placed in baking oven dries to constant weight under 80 ° of C, after cooling, pulverized size becomes 1-5mm stand-by;
(3) mixing of materials in step (1) and step (2) to be placed in tube furnace pyrolysis charring 1h under 400-600 ° of C stand-by;
(4) zinc chloride, magnesium silicate and silica are mixed, add the concentration that zinc chloride is mixed with 4mol/l by appropriate distilled water, after ultrasonic disperse 10-20min, soak 12h with the product of step (3);
(5) impregnation product that step (4) obtains to be transferred in baking oven dry 10-12h under 110 ° of C;
(6) desciccate step (5) obtained and manganese ore stone flour put into Muffle furnace, pass into nitrogen as protective atmosphere, heat up with 10-20 ° of C/min speed, and when being increased to 400-750 ° of C, constant temperature keeps 50-150min, for subsequent use with pulverizing after stove cooling;
(7) by even for the mixing of materials of bamboo fibre, nano silicon micronization, expanded perlite and step (6) gained, add polyvinyl alcohol water solution and stir into wet mixture, then be added in granulating disc and make bead, after screening, select particle size in 5-15mm scope, then under 200-250 ° of C, calcine 0.5-1h;
(8) be added to by polyacrylamide in 5-7 distilled water doubly, add wherein after stirring by the product that step (7) obtains, cleaning to PH with distilled water after ultrasonic disperse 1-2h is that neutrality is dried.
Advantage of the present invention is: the maize straw that the present invention adds in mud and peanut shell add the phosphorus content of mud, improve the adsorptivity of mud, by zinc chloride silica and the modified activated carbon of magnesium silicate, add the aperture quantity of active sludge carbon, improve absorption property and bactericidal properties, utilize manganese ore stone flour to form skeleton when high-temperature calcination and make active sludge carbon not easily dry linting, wear-resisting, and utilize polyacrylamide modification to enhance the absorption property of adsorbent, expand adsorption range, significant effect is had to the purification of water quality, the bamboo fibre added, nano silicon micronization, the mutual coordinative role of expanded perlite, enhance the sterilization of mud active carbon greatly, antibacterial, uvioresistant, heat-resisting, the performances such as adsorption capacity, sorbent material nontoxic pollution-free of the present invention, environmental protection and energy saving, service time is long, advantages of good adsorption effect, and it is high to reuse efficiency, application prospect is extensive.
Detailed description of the invention
Below by instantiation, the present invention is described in detail.
An acticarbon for environmental protection and energy saving length service time, is made up of the raw material of following weight portion (kilogram): mud 145, maize straw 16, peanut shell 22, manganese ore stone flour 11, zinc chloride 43, magnesium silicate 16, silica 7, polyvinyl alcohol 4, polyacrylamide 5, bamboo fibre 6, nano silicon micronization 8, expanded perlite 10, distilled water are appropriate;
The acticarbon of a kind of environmental protection and energy saving length service time of the present invention, be made up of following concrete steps:
(1) mud of sewage treatment plant is air-dry under natural conditions, dry 18h under 110 ° of C in baking oven afterwards, grinding to form particle diameter after cooling is that the mud granule of 1-3mm is stand-by;
(2) by maize straw, peanut shell is placed in baking oven dries to constant weight under 80 ° of C, after cooling, pulverized size becomes 1-5mm stand-by;
(3) mixing of materials in step (1) and step (2) to be placed in tube furnace pyrolysis charring 1h under 400 ° of C stand-by;
(4) zinc chloride, magnesium silicate and silica are mixed, add the concentration that zinc chloride is mixed with 4mol/l by appropriate distilled water, after ultrasonic disperse 20min, soak 12h with the product of step (3);
(5) impregnation product that step (4) obtains to be transferred in baking oven dry 10h under 110 ° of C;
(6) desciccate step (5) obtained and manganese ore stone flour put into Muffle furnace, pass into nitrogen as protective atmosphere, heat up with 10-20 ° of C/min speed, and when being increased to 700 ° of C, constant temperature keeps 100min, for subsequent use with pulverizing after stove cooling;
(7) by even for the mixing of materials of bamboo fibre, nano silicon micronization, expanded perlite and step (6) gained, add polyvinyl alcohol water solution and stir into wet mixture, then be added in granulating disc and make bead, after screening, select particle size in 5-15mm scope, then under 200 ° of C, calcine 1h;
(8) be added to by polyacrylamide in the distilled water of 7 times, add wherein after stirring by the product that step (7) obtains, cleaning to PH with distilled water after ultrasonic disperse 2h is that neutrality is dried.
After measured, the performance indications of the acticarbon prepared in specific embodiment are as follows:
Powder falling rate (%): 0.7;
Compression strength (N/): 23;
Wear rate (%): 0.6;
Iodine absorption (mg/g): 1120;
Static Water adsorbance (%): 19.2.
Claims (2)
1. the acticarbon of environmental protection and energy saving length service time, it is characterized in that, be made up of the raw material of following weight portion: mud 100-150, maize straw 13-17, peanut shell 15-24, manganese ore stone flour 10-15, zinc chloride 30-50, magnesium silicate 13-16, silica 5-8, polyvinyl alcohol 3-5, polyacrylamide 3-5, bamboo fibre 4-6, nano silicon micronization 7-9, expanded perlite 8-10, distilled water are appropriate.
2. the acticarbon that a kind of environmental protection and energy saving service time is long according to claim 1, is characterized in that, be made up of following concrete steps:
(1) mud of sewage treatment plant is air-dry under natural conditions, dry 18-20h under 110 ° of C in baking oven afterwards, grinding to form particle diameter after cooling is that the mud granule of 1-3mm is stand-by;
(2) by maize straw, peanut shell is placed in baking oven dries to constant weight under 80 ° of C, after cooling, pulverized size becomes 1-5mm stand-by;
(3) mixing of materials in step (1) and step (2) to be placed in tube furnace pyrolysis charring 1h under 400-600 ° of C stand-by;
(4) zinc chloride, magnesium silicate and silica are mixed, add the concentration that zinc chloride is mixed with 4mol/l by appropriate distilled water, after ultrasonic disperse 10-20min, soak 12h with the product of step (3);
(5) impregnation product that step (4) obtains to be transferred in baking oven dry 10-12h under 110 ° of C;
(6) desciccate step (5) obtained and manganese ore stone flour put into Muffle furnace, pass into nitrogen as protective atmosphere, heat up with 10-20 ° of C/min speed, and when being increased to 400-750 ° of C, constant temperature keeps 50-150min, for subsequent use with pulverizing after stove cooling;
(7) by even for the mixing of materials of bamboo fibre, nano silicon micronization, expanded perlite and step (6) gained, add polyvinyl alcohol water solution and stir into wet mixture, then be added in granulating disc and make bead, after screening, select particle size in 5-15mm scope, then under 200-250 ° of C, calcine 0.5-1h;
(8) be added to by polyacrylamide in 5-7 distilled water doubly, add wherein after stirring by the product that step (7) obtains, cleaning to PH with distilled water after ultrasonic disperse 1-2h is that neutrality is dried.
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| CN201510260999.8A CN104888735A (en) | 2015-05-21 | 2015-05-21 | Environmentally friendly and energy-saving activated carbon adsorbent with long service life |
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| CN201510260999.8A CN104888735A (en) | 2015-05-21 | 2015-05-21 | Environmentally friendly and energy-saving activated carbon adsorbent with long service life |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN106512947A (en) * | 2016-12-21 | 2017-03-22 | 福建师范大学 | Preparation method of sludge-based charcoal doped with bamboo and wood powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530941A (en) * | 2011-12-16 | 2012-07-04 | 北京工业大学 | Sludge-based activated carbon and preparation method thereof |
| CN103495385A (en) * | 2013-08-30 | 2014-01-08 | 蚌埠德美过滤技术有限公司 | Modified activated carbon for processing dye waste water and its preparation method |
| CN104475050A (en) * | 2014-11-13 | 2015-04-01 | 安徽凤凰滤清器股份有限公司 | Activated carbon diatomite particles capable of rapid purification of flue gas and preparation method thereof |
-
2015
- 2015-05-21 CN CN201510260999.8A patent/CN104888735A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530941A (en) * | 2011-12-16 | 2012-07-04 | 北京工业大学 | Sludge-based activated carbon and preparation method thereof |
| CN103495385A (en) * | 2013-08-30 | 2014-01-08 | 蚌埠德美过滤技术有限公司 | Modified activated carbon for processing dye waste water and its preparation method |
| CN104475050A (en) * | 2014-11-13 | 2015-04-01 | 安徽凤凰滤清器股份有限公司 | Activated carbon diatomite particles capable of rapid purification of flue gas and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN105858936B (en) * | 2016-06-13 | 2019-04-05 | 湖南北控威保特环境科技股份有限公司 | A kind of disc tube reverse osmosis (dt-ro) sewage water treatment method and system |
| CN106512947A (en) * | 2016-12-21 | 2017-03-22 | 福建师范大学 | Preparation method of sludge-based charcoal doped with bamboo and wood powder |
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Application publication date: 20150909 |