CN104923179A - Removable and reusable activated carbon adsorbent - Google Patents
Removable and reusable activated carbon adsorbent Download PDFInfo
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- CN104923179A CN104923179A CN201510260979.0A CN201510260979A CN104923179A CN 104923179 A CN104923179 A CN 104923179A CN 201510260979 A CN201510260979 A CN 201510260979A CN 104923179 A CN104923179 A CN 104923179A
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Abstract
The invention discloses a removable and reusable activated carbon adsorbent. The removable and reusable activated carbon adsorbent is characterized by being prepared from the following raw materials in parts by weight: 100 to 150 parts of sludge, 13 to 17 parts of a maize straw, 15 to 24 parts of a peanut shell, 10 to 15 parts of manganese ore powder, 30 to 50 parts of zinc chloride, 13 to 16 parts of magnesium silicate, 5 to 8 parts of silicon dioxide, 3 to 5 parts of polyvinyl alcohol, 3 to 5 parts of polyacrylamide, 5 to 6 parts of ceramic fiber, 5 to 6 parts of ferrous sulfate, 8 to 11 parts of diatom ooze and an appropriate amount of distilled water. The magnetic performance, the strength and the adsorbability of the adsorbent are improved by the addition of the ferrous sulfate, the ceramic fiber and the diatom ooze, so that sludge activated carbon is easy to separate, high in reusability and good in abrasion resistance, and powder is not easy to fall. Compared with a conventional adsorbent, the prepared adsorbent has the characteristics of being easy to separate, reusable, non-toxic and environment-friendly, and facilitating environment protection; the adsorbent, serving as an air conditioner filter element material, is wide in application prospect.
Description
Technical field
The present invention relates to absorbent fields, particularly reusable acticarbon of a kind of easy-clear 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 reusable acticarbon of a kind of easy-clear and preparation method thereof.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
The reusable acticarbon of a kind of easy-clear, 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, ceramic fibre 5-6, ferrous sulfate 5-6, diatom ooze 8-11, distilled water are appropriate;
The reusable acticarbon of a kind of easy-clear 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 ceramic fibre, ferrous sulfate, diatom ooze 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 ferrous sulfate added, ceramic fibre and diatom ooze enhance the magnetic behavior of adsorbent, intensity and adsorptivity, make mud active carbon easily separated, reusability is good, not easily powder falling, wearability is good, adsorbent prepared by the present invention has and is easy to be separated compared with traditional adsorbent, reusable, asepsis environment-protecting, be conducive to the features such as environmental protection, extensive as air conditioner filter element materials application prospect.
Detailed description of the invention
Below by instantiation, the present invention is described in detail.
The reusable acticarbon of a kind of easy-clear, is made up of the raw material of following weight portion (kilogram): mud 143, maize straw 15, peanut shell 21, manganese ore stone flour 14, zinc chloride 43, magnesium silicate 16, silica 7, polyvinyl alcohol 4, polyacrylamide 4, ceramic fibre 5, ferrous sulfate 6, diatom ooze 9, distilled water are appropriate;
The reusable acticarbon of a kind of easy-clear 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 ceramic fibre, ferrous sulfate, diatom ooze 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 (%): 0.8;
Compression strength (N/): 23;
Wear rate (%): 0.9;
Iodine absorption (mg/g): 980;
Static Water adsorbance (%): 18.6.
Claims (2)
1. the reusable acticarbon of easy-clear, 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, ceramic fibre 5-6, ferrous sulfate 5-6, diatom ooze 8-11, distilled water are appropriate.
2. the reusable acticarbon of a kind of easy-clear 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 ceramic fibre, ferrous sulfate, diatom ooze 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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| CN201510260979.0A CN104923179A (en) | 2015-05-21 | 2015-05-21 | Removable and reusable activated carbon adsorbent |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477576A (en) * | 2016-10-20 | 2017-03-08 | 佛山慧创正元新材料科技有限公司 | A kind of plant base active sludge carbon for decoloring dye waste water and preparation method thereof |
| CN107321324A (en) * | 2017-09-05 | 2017-11-07 | 霍邱金木鱼农业科技有限公司 | A kind of dye discoloration magnetic adsorptive material and preparation method thereof |
| CN107376878A (en) * | 2017-09-19 | 2017-11-24 | 江苏科力特环保科技有限公司 | A kind of novel active carbon adsorbent |
| CN107469792A (en) * | 2017-09-18 | 2017-12-15 | 江苏科力特环保科技有限公司 | A kind of acticarbon |
| CN109133053A (en) * | 2018-11-05 | 2019-01-04 | 上海赢知信息科技有限公司 | A kind of reproducible active sludge carbon and its application in industrial tail gas processing |
| CN109395696A (en) * | 2018-12-22 | 2019-03-01 | 陕西师范大学 | A kind of reusable sludge activity carbon adsorbent of easy-clear and preparation method thereof |
| CN110776222A (en) * | 2019-09-19 | 2020-02-11 | 北京化工大学 | Preparation and application of sediment nitrogen and phosphorus fixing and repairing agent |
| CN110902803A (en) * | 2019-12-10 | 2020-03-24 | 佛山科学技术学院 | Oxidant for sewage treatment and preparation method thereof |
| CN111410315A (en) * | 2020-04-30 | 2020-07-14 | 江苏华淼生态科技有限公司 | Ecological treatment device for sewage treatment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477576A (en) * | 2016-10-20 | 2017-03-08 | 佛山慧创正元新材料科技有限公司 | A kind of plant base active sludge carbon for decoloring dye waste water and preparation method thereof |
| CN107321324A (en) * | 2017-09-05 | 2017-11-07 | 霍邱金木鱼农业科技有限公司 | A kind of dye discoloration magnetic adsorptive material and preparation method thereof |
| CN107469792A (en) * | 2017-09-18 | 2017-12-15 | 江苏科力特环保科技有限公司 | A kind of acticarbon |
| CN107376878A (en) * | 2017-09-19 | 2017-11-24 | 江苏科力特环保科技有限公司 | A kind of novel active carbon adsorbent |
| CN109133053A (en) * | 2018-11-05 | 2019-01-04 | 上海赢知信息科技有限公司 | A kind of reproducible active sludge carbon and its application in industrial tail gas processing |
| CN109395696A (en) * | 2018-12-22 | 2019-03-01 | 陕西师范大学 | A kind of reusable sludge activity carbon adsorbent of easy-clear and preparation method thereof |
| CN109395696B (en) * | 2018-12-22 | 2021-04-30 | 陕西师范大学 | Easily-cleaned reusable sludge activated carbon adsorbent and preparation method thereof |
| CN110776222A (en) * | 2019-09-19 | 2020-02-11 | 北京化工大学 | Preparation and application of sediment nitrogen and phosphorus fixing and repairing agent |
| CN110902803A (en) * | 2019-12-10 | 2020-03-24 | 佛山科学技术学院 | Oxidant for sewage treatment and preparation method thereof |
| CN111410315A (en) * | 2020-04-30 | 2020-07-14 | 江苏华淼生态科技有限公司 | Ecological treatment device for sewage treatment |
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Application publication date: 20150923 |