CN103130223A - Method for preparing activated carbon by using municipal solid waste as raw material - Google Patents
Method for preparing activated carbon by using municipal solid waste as raw material Download PDFInfo
- Publication number
- CN103130223A CN103130223A CN201310098361XA CN201310098361A CN103130223A CN 103130223 A CN103130223 A CN 103130223A CN 201310098361X A CN201310098361X A CN 201310098361XA CN 201310098361 A CN201310098361 A CN 201310098361A CN 103130223 A CN103130223 A CN 103130223A
- Authority
- CN
- China
- Prior art keywords
- raw material
- municipal solid
- solid wastes
- gac
- activated carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a method for preparing activated carbon by using municipal solid waste as a raw material. The method comprises the following steps of: selecting municipal solid waste as the raw material; conducting pretreatment on the raw material, namely, drying, crushing, screening and weighing a carbon raw material which is subjected to pretreatment; adding KOH (Potassium Hydroxide) powder into a carbonized material; further adding an over amount of deionized water; putting into a drying oven to be dried; putting a sample which is subjected to pretreatment into a ceramic cup; putting the ceramic cup into a quartz tube of a pyrolyzing furnace; and under the condition that nitrogen as a protecting gas is introduced, increasing the temperature, and carrying out pyrolysis at the temperature so as to obtain the activated carbon sample. The invention develops the method for preparing the activated carbon by using the municipal solid waste with multiple components as the raw material, so that the possibility of industrial production and comprehensive utilization of the municipal solid waste for preparing a basic carbon material is increased, the source of the activated carbon is widened, the pollution is reduced, and the purpose of waste utilization is achieved.
Description
Technical field
The present invention relates to the method that a step pyrolysis prepares gac, especially adopt multi-component municipal solid wastes to prepare the method for gac as raw material.
Background technology
The research that present pyrolysis method prepares gac uses the solid waste of single component to do carbonaceous raw material usually, and its influence factor is easily controlled, and is simple to operate.For example take dry shell as raw material, pyrolysis 1～10h under the pyrolysis temperature of 700～1000 ℃, pyrolysis obtains gac after by pickling, washing, drying.Although the product yield of preparation is high, good adsorption performance is not had a universality.
Actual municipal solid wastes forms complicated, and influence factor is various, and the present invention focuses on that the pyrolysis of polycomponent flammable solid waste prepares gac, and final purpose is to prepare gac take actual cities rubbish as carbonaceous raw material, and challenge is more arranged.
The present invention selects has pollution effect and various condition is fit to the municipal solid wastes of preparation gac as raw material to environment, replaces the raw materials such as a large amount of timber, coal to prepare the absorbent charcoal material of the many performances of many specifications.After municipal solid wastes rejecting rubbish from cooking and Harmful Waste, mainly formed by cardboard type, Plastic, cloth class, wooden class and rubber-like five major parts, most of material is organism, carbon content is higher, possessed the objective condition of preparation gac, pyrolysis charring activation at a certain temperature makes gac.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of municipal solid wastes that utilizes to prepare the method for gac as raw material, respectively with paper scrap, PVC, cloth, wood chip and tire for representing component, by proportionings different between various components, under the working condition of the best, obtain the absorbent charcoal material by the preparation of different components municipal solid wastes.
The technical solution used in the present invention is: a kind of municipal solid wastes that utilizes prepares the method for gac as raw material, comprise the steps:
(1) select raw material: select municipal solid wastes as raw material, described municipal solid wastes comprises cardboard type, Plastic, cloth class, wooden class and rubber-like, preferred material is paper scrap, PVC, cloth, wood chip and tire, thereby obtains being prepared by municipal solid wastes optimum feed stock kind and the best proportioning of gac by proportionings different between various raw materials; With regard to two-pack, the made basic Carbon Materials adsorption effect of the wood chip of equivalent and the proportioning of tire is better, and methylene blue numerical value reaches 418.1mg/g; With regard to three components, the made basic Carbon Materials absorption property of the proportioning of the wood chip of equivalent, tire and acrylic fibers cloth is better, and methylene blue numerical value reaches 299.0mg/g;
(2) preprocessing process: in order to improve the quality of gac, raw material need to be carried out pre-treatment, comprise drying, pulverize, sieve, take through pretreated carbonaceous raw material, the alkali charcoal ratio according to 2:1-4:1 adds the KOH powder in carbonized material, add again excessive deionized water to soak 30-45min, more than being placed in 100 ℃ of dry 12h of baking oven, to make the rational absorbent charcoal material of pore size distribution, improve its absorption property;
(3) pyrolysis preparation process: will be placed in the porcelain cup through pretreated sample; put into the silica tube of pyrolysis oven; in the situation that pass into nitrogen as protection gas; begin to be warming up to 600 ℃～800 ℃, and at this temperature pyrolysis 45min-60min, close afterwards after pyrolysis oven makes it nature and cool to below 100 ℃; can close nitrogen; the porcelain cup is taken out, after pyrolytic carbon is ground into powder, namely obtain activated carbon sample.
As preferably, in above-mentioned steps (2), the alkali charcoal of activating pretreatment than being 3:1, adds excessive deionized water to soak 40min, and in above-mentioned steps (3), activation temperature is 700 ℃, activates 50min in tube furnace.
Beneficial effect: adopt the basic Carbon Materials specific surface area of the present invention's preparation to be up to 646.32m
2/ g, methylene blue numerical value is up to 418.1mg/g, has good adsorptive power.The present invention develops and adopts multi-component solid waste to prepare the method for basic Carbon Materials as raw material, can increase the possibility that municipal solid wastes prepares basic Carbon Materials suitability for industrialized production and comprehensive utilization, enlarge the source of gac, reduce and pollute and reach utilization of waste material.
Embodiment
The present invention will be further described below in conjunction with embodiment.
Embodiment 1
Take wood chip and tire as raw material, at first two kinds of raw materials are placed in respectively that thermostatic drying chamber (80-100 ℃) is dry to be sent into dried sample in pulverizer and pulverize more than 12 hours, then the mass ratio according to 1:1 mixes.Take the 10g mixing raw material, be placed in the 500ml beaker, compare 3:1 according to the alkali charcoal, add 30g KOH powder, add while stirring the 50ml high purity water to soak 40min in stink cupboard, then add magnet rotor in beaker, beaker is placed in thermostat water bath with 40 ℃ of heated and stirred 6 hours, well-beaten sample is placed in thermostat container (100 ℃) after dry 24 hours, with the sample of the drying sampler bag of packing into.
Above-mentioned sample is layered in the porcelain cup; put into the silica tube of pyrolysis oven; in the situation that pass into nitrogen as protection gas; begin to be warming up to 700 ℃, and at this temperature lower pyrolysis 50min, close afterwards after pyrolysis oven makes it nature and cool to below 100 ℃; can close nitrogen; the porcelain cup is taken out, after pyrolytic carbon is ground into powder, namely obtain activated carbon sample.Till using deionized water wash gained sample to be neutrality to washing lotion, sample is transferred to is placed in loft drier dry (105 ℃) in small beaker to constant weight, weighing.The made basic Carbon Materials adsorption effect of the wood chip of equivalent and the proportioning of tire is better, and methylene blue numerical value reaches 418.1mg/g.
Embodiment 2
Take wood chip, tire and acrylic fibers cloth as raw material, at first three kinds of component raw material are placed in respectively thermostatic drying chamber (80-100 ℃) drying more than 12 hours, dried sample is sent in pulverizer pulverized, then the mass ratio according to 1:1:1 mixes.Take the above-mentioned mixing raw material of 10g, be placed in the 500ml beaker, compare 2:1 according to the alkali charcoal, add the 20gKOH powder, add while stirring the 50ml high purity water to soak 30min in stink cupboard, then add magnet rotor in beaker, beaker is placed in thermostat water bath with 40 ℃ of heated and stirred 6 hours.Well-beaten sample is placed in thermostat container (100 ℃) after dry 24 hours, with the sample of the drying sampler bag of packing into.
Above-mentioned sample is layered in the porcelain cup; put into the silica tube of pyrolysis oven; in the situation that pass into nitrogen as protection gas; begin to be warming up to 600 ℃, and at this temperature lower pyrolysis 60min, close afterwards after pyrolysis oven makes it nature and cool to below 100 ℃; can close nitrogen; the porcelain cup is taken out, after pyrolytic carbon is ground into powder, namely obtain activated carbon sample.Till using deionized water wash gained sample to be neutrality to washing lotion, sample is transferred to is placed in loft drier dry (105 ℃) in small beaker to constant weight, weighing.The made basic Carbon Materials absorption property of the proportioning of the wood chip of equivalent, tire and acrylic fibers cloth is better, and methylene blue numerical value reaches 299.0mg/g.
Embodiment 3
Take wood chip, tire and paper as raw material, at first three kinds of component raw material are placed in respectively thermostatic drying chamber (80-100 ℃) drying more than 12 hours, dried sample is sent in pulverizer pulverized, then the mass ratio according to 1:1:1 mixes.Take the above-mentioned mixing raw material of 10g, be placed in the 500ml beaker, compare 4:1 according to the alkali charcoal, add 40g KOH powder, add while stirring the 50ml high purity water to soak 45min in stink cupboard, then add magnet rotor in beaker, beaker is placed in thermostat water bath with 40 ℃ of heated and stirred 6 hours.Well-beaten sample is placed in thermostat container (100 ℃) after dry 24 hours, with the sample of the drying sampler bag of packing into.
Above-mentioned sample is layered in the porcelain cup; put into the silica tube of pyrolysis oven; in the situation that pass into nitrogen as protection gas; begin to be warming up to 800 ℃, and at this temperature lower pyrolysis 45min, close afterwards after pyrolysis oven makes it nature and cool to below 100 ℃; can close nitrogen; the porcelain cup is taken out, after pyrolytic carbon is ground into powder, namely obtain activated carbon sample.Till using deionized water wash gained sample to be neutrality to washing lotion, sample is transferred to is placed in loft drier dry (105 ℃) in small beaker to constant weight, weighing.The made basic Carbon Materials absorption property of the proportioning of the wood chip of equivalent, tire and paper is better, and methylene blue numerical value reaches 212.7mg/g.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each integral part all available prior art realized.
Claims (6)
1. one kind is utilized municipal solid wastes to prepare the method for gac as raw material, it is characterized in that: comprise the steps:
(1) select raw material: select municipal solid wastes as raw material;
(2) preprocessing process: raw material is carried out pre-treatment, comprise drying, pulverize, sieve, take through pretreated carbonaceous raw material, alkali charcoal ratio according to 2:1-4:1, add the KOH powder in carbonized material, add again excessive deionized water to soak 30-45min, more than being placed in 100 ℃ of dry 12h of baking oven;
(3) pyrolysis preparation process: will be placed in the porcelain cup through pretreated sample; put into the silica tube of pyrolysis oven; in the situation that pass into nitrogen as protection gas; begin to be warming up to 600 ℃～800 ℃, and at this temperature pyrolysis 45min-60min, close afterwards after pyrolysis oven makes it nature and cool to below 100 ℃; can close nitrogen; the porcelain cup is taken out, after pyrolytic carbon is ground into powder, namely obtain activated carbon sample.
2. a kind of municipal solid wastes that utilizes according to claim 1 prepares the method for gac as raw material, and it is characterized in that: described municipal solid wastes raw material comprises cardboard type, Plastic, cloth class, wooden class and rubber-like.
3. a kind of municipal solid wastes that utilizes according to claim 2 prepares the method for gac as raw material, it is characterized in that: described municipal solid wastes material choice paper scrap, PVC, cloth, wood chip and tire.
4. a kind of municipal solid wastes that utilizes according to claim 3 prepares the method for gac as raw material, it is characterized in that: with regard to two-pack, the wood chip of selection equivalent and the proportioning of tire are as the municipal solid wastes raw material; With regard to three components, the proportioning of wood chip, tire and the acrylic fibers cloth of selection equivalent is as the municipal solid wastes raw material.
5. a kind of municipal solid wastes that utilizes according to claim 1 prepares the method for gac as raw material, it is characterized in that: in above-mentioned steps (2), the alkali charcoal of activating pretreatment than being 3:1, adds excessive deionized water to soak 40min.
6. a kind of municipal solid wastes that utilizes according to claim 1 prepares the method for gac as raw material, it is characterized in that: in above-mentioned steps (3), activation temperature is 700 ℃, activates 50min in tube furnace.。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098361XA CN103130223A (en) | 2013-03-25 | 2013-03-25 | Method for preparing activated carbon by using municipal solid waste as raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098361XA CN103130223A (en) | 2013-03-25 | 2013-03-25 | Method for preparing activated carbon by using municipal solid waste as raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103130223A true CN103130223A (en) | 2013-06-05 |
Family
ID=48490746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310098361XA Pending CN103130223A (en) | 2013-03-25 | 2013-03-25 | Method for preparing activated carbon by using municipal solid waste as raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103130223A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815831A (en) * | 2015-04-09 | 2015-08-05 | 北京建筑材料科学研究总院有限公司 | Deodorant prepared by using organic solid waste and application thereof |
| CN105271227A (en) * | 2015-11-25 | 2016-01-27 | 江苏大学 | Preparation method for porous carbon material with high specific surface area |
| CN106744941A (en) * | 2017-02-28 | 2017-05-31 | 苏州顶裕节能设备有限公司 | Activated carbon and its method prepared by a kind of utilization discarded object |
| CN106865547A (en) * | 2017-04-06 | 2017-06-20 | 合肥工业大学 | A kind of preparation method of plastic biologic activated carbon and its activated carbon of acquisition |
| CN107934956A (en) * | 2017-12-23 | 2018-04-20 | 淮北智淮科技有限公司 | A kind of sewage disposal activated carbon and its manufacture method |
| CN109250707A (en) * | 2018-11-30 | 2019-01-22 | 浙江农林大学 | A kind of grapheme material and preparation method using waste tire preparation |
| CN109437193A (en) * | 2018-12-26 | 2019-03-08 | 济南大学 | A method of active carbon is prepared based on litter decoration |
| CN110589822A (en) * | 2019-10-08 | 2019-12-20 | 中国石油大学(华东) | Method for preparing activated carbon from plastic waste and application of activated carbon |
| CN112705187A (en) * | 2020-12-23 | 2021-04-27 | 同济大学 | Carbon-based catalyst based on organic household garbage, preparation method of carbon-based catalyst, pyrolysis product prepared from carbon-based catalyst and used as fuel, and method |
| CN114045523A (en) * | 2021-12-02 | 2022-02-15 | 郑州轻工业大学 | Waste tire pyrolytic carbon catalyst, preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708841A (en) * | 2009-11-13 | 2010-05-19 | 南开大学 | Method for preparing activated carbon by utilizing waste tire rubber |
| CN102107872A (en) * | 2011-03-04 | 2011-06-29 | 南京工业大学 | Process for preparing active carbon by adding husks into chemical sludge |
| CN102602930A (en) * | 2012-03-22 | 2012-07-25 | 西安科技大学 | Method for preparing activated carbon by aid of compound activators |
| CN102701200A (en) * | 2012-05-14 | 2012-10-03 | 北京工业大学 | Method for preparing active carbon from municipal sludge by two-step thermal decomposition |
-
2013
- 2013-03-25 CN CN201310098361XA patent/CN103130223A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708841A (en) * | 2009-11-13 | 2010-05-19 | 南开大学 | Method for preparing activated carbon by utilizing waste tire rubber |
| CN102107872A (en) * | 2011-03-04 | 2011-06-29 | 南京工业大学 | Process for preparing active carbon by adding husks into chemical sludge |
| CN102602930A (en) * | 2012-03-22 | 2012-07-25 | 西安科技大学 | Method for preparing activated carbon by aid of compound activators |
| CN102701200A (en) * | 2012-05-14 | 2012-10-03 | 北京工业大学 | Method for preparing active carbon from municipal sludge by two-step thermal decomposition |
Non-Patent Citations (1)
| Title |
|---|
| 李勤 等: "利用生物质制取活性炭的现状及现实意义", 《山西能源与节能》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815831A (en) * | 2015-04-09 | 2015-08-05 | 北京建筑材料科学研究总院有限公司 | Deodorant prepared by using organic solid waste and application thereof |
| CN105271227A (en) * | 2015-11-25 | 2016-01-27 | 江苏大学 | Preparation method for porous carbon material with high specific surface area |
| CN106744941A (en) * | 2017-02-28 | 2017-05-31 | 苏州顶裕节能设备有限公司 | Activated carbon and its method prepared by a kind of utilization discarded object |
| CN106865547A (en) * | 2017-04-06 | 2017-06-20 | 合肥工业大学 | A kind of preparation method of plastic biologic activated carbon and its activated carbon of acquisition |
| CN107934956A (en) * | 2017-12-23 | 2018-04-20 | 淮北智淮科技有限公司 | A kind of sewage disposal activated carbon and its manufacture method |
| CN109250707A (en) * | 2018-11-30 | 2019-01-22 | 浙江农林大学 | A kind of grapheme material and preparation method using waste tire preparation |
| US11254574B2 (en) | 2018-11-30 | 2022-02-22 | Zhejiang A & F University | Graphene material prepared from waste tire and preparation method thereof |
| CN109437193A (en) * | 2018-12-26 | 2019-03-08 | 济南大学 | A method of active carbon is prepared based on litter decoration |
| CN110589822A (en) * | 2019-10-08 | 2019-12-20 | 中国石油大学(华东) | Method for preparing activated carbon from plastic waste and application of activated carbon |
| CN112705187A (en) * | 2020-12-23 | 2021-04-27 | 同济大学 | Carbon-based catalyst based on organic household garbage, preparation method of carbon-based catalyst, pyrolysis product prepared from carbon-based catalyst and used as fuel, and method |
| CN114045523A (en) * | 2021-12-02 | 2022-02-15 | 郑州轻工业大学 | Waste tire pyrolytic carbon catalyst, preparation method and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103130223A (en) | Method for preparing activated carbon by using municipal solid waste as raw material | |
| CN104724703A (en) | Method for preparing adsorptive activated carbon from Musaceae plants | |
| CN107403698B (en) | A kind of application preparing the method for activated carbon and its active carbon of preparation using biomass | |
| CN103695021B (en) | Method for preparing pyrolytic oil by co-heated pyrolysis and liquefaction of biomass and waste tire | |
| CN110182801A (en) | A method of granular activated carbon is prepared with biomass | |
| CN103145126B (en) | A kind of take waste leather as the method for raw material microwave legal system for gac | |
| CN100515940C (en) | Method for preparing active charcoal of smartweed stalk | |
| CN103408012A (en) | Method for preparing activated carbon from camellia seed waste residues | |
| CN102161897A (en) | Method for preparing charcoal activated carbon flammable gas biological oil by utilizing crop straws | |
| CN104312601A (en) | Preparation method of high-strength biomass carbonaceous fuel | |
| CN104386693B (en) | A kind of method that activated carbon prepared by Chinese crude drug waste residue | |
| MY158049A (en) | Method for producing carbonized product from fibrous biomass | |
| CN107552027A (en) | A kind of application that the method for carbon material and its carbon material of preparation are prepared using biomass dead meal | |
| CN104140101A (en) | Method for preparing activated carbon with ultrahigh specific surface area from soapberry residue as raw material | |
| CN102826548A (en) | Banana tree base activated carbon and preparation method thereof | |
| CN106122969A (en) | One way of life rubbish thermal source combined drying technique | |
| CN102190298A (en) | Method for preparing active carbon from carbon byproduct in fast pyrolysis of forest remainder | |
| CN103273547B (en) | A kind of method being prepared uniform heat treatment wood by way of stacking | |
| CN102925242A (en) | Production method of environment-friendly machine-made charcoal | |
| CN107055507B (en) | A kind of preparation method of carbon molecular sieve | |
| CN102618313A (en) | Method for preparing biological oil with high calorific value in subcritical/ supercritical water | |
| CN105731453A (en) | Preparation method for apricot shell activated carbon and apricot activated carbon | |
| CN104760956A (en) | Method of preparing activated charcoal from waste dust removal cloth bag | |
| CN101775298B (en) | Method for improving intensity and density of ecological carbon | |
| CN104843701B (en) | The method for activated carbon being prepared with Radix Angelicae Sinensis waste residue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |