CN103316636A - Method for preparing biomass-based magnetic activated carbon - Google Patents
Method for preparing biomass-based magnetic activated carbon Download PDFInfo
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- CN103316636A CN103316636A CN2013102818265A CN201310281826A CN103316636A CN 103316636 A CN103316636 A CN 103316636A CN 2013102818265 A CN2013102818265 A CN 2013102818265A CN 201310281826 A CN201310281826 A CN 201310281826A CN 103316636 A CN103316636 A CN 103316636A
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Abstract
The invention discloses a method for preparing biomass-based magnetic activated carbon. According to the method, activated carbon is prepared from biomass, and the prepared activated carbon is mixed with magnetic fluid so as to prepare the biomass-based magnetic activated carbon; and the activated carbon is prepared through physical or chemical methods, the magnetic fluid is nano-scale iron oxide obtained through a coprecipitation method or catalytic method, and the iron oxide is adsorbed to the activated carbon during mixing, thereby obtaining the magnetic activated carbon. According to the method for preparing the biomass-based magnetic activated carbon, disclosed by the invention, the raw material is mixed with a magnetization agent during the pretreatment of the raw material before carbonization, the process flow is simple and convenient, and the magnetization agent can play a positive role during carbonization.
Description
Technical field
The invention belongs to the active carbon field, relate in particular to a kind of preparation method of biomass-based magnetic active carbon.
Background technology
At present the technology of preparation active carbon is that charcoal processing and two processes of magnetization are separated, namely first raw material is carried out carbonization, activate afterwards, and then with the active carbon that makes with magnetize agent and mix and finish.
Present magnetic active carbon preparation process is too loaded down with trivial details, and the production cycle is long, and magnetic history can reduce the adsorption capacity of active carbon.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of biomass-based magnetic active carbon, be intended to solve present magnetic active carbon preparation process too loaded down with trivial details, the production cycle is long, and magnetic history can reduce the problem of the adsorption capacity of active carbon.
The present invention is achieved in that a kind of preparation method of biomass-based magnetic active carbon, and the active carbon that this preparation method is made take living beings as raw material mixes the active carbon for preparing in advance and obtains with magnetic fluid; Active carbon makes by physics or chemical method, and magnetic fluid makes nano level tri-iron tetroxide by coprecipitation method or catalysis method, and tri-iron tetroxide is adsorbed on the active carbon in the mixed process, thereby obtains the magnetic active carbon of tool.
Further, this preparation method may further comprise the steps:
Step 1: raw material is pulverized, and raw material is pulverized, and crosses 60 mesh sieves, when the raw material after the pulverizing mixes with magnetic fluid, is beneficial to pyrolysis and goes out volatile matter in carbonization process.
Step 2: clean raw material, raw material is carried out pickling, wash the removal surface impurity with water;
Step 3: dipping, washed raw material is put into the magnetic fluid dipping for preparing, add gentle the stirring, allow magnetic-particle be adsorbed in raw material;
Step 4: carbonization-activation, can put into heater behind the dipping raw material drying well and under protection gas, carry out the carbonization-activation process;
Step 5: carry out post processing, product is cleaned.
Further, magnetic fluid makes nano level tri-iron tetroxide by coprecipitation method or catalysis method.
Further, heater adopts microwave-oven-heating, and protective gas is nitrogen.
The preparation method of biomass-based magnetic active carbon provided by the invention carries out in passing it being mixed with the magnetization agent pretreated the time to raw material before charing, technological process simple and convenient and in carbonization process the magnetization agent can play the effect in front.
Description of drawings
Fig. 1 is the preparation method's of biomass-based magnetic active carbon provided by the invention flow chart.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the preparation method's of biomass-based magnetic active carbon provided by the invention flow process.For convenience of explanation, only show part related to the present invention.
The preparation method of biomass-based magnetic active carbon.
Step 1: raw material is pulverized, and raw meal is broken to a certain degree, can reach better dipping and charing effect;
Step 2: clean raw material, raw material is carried out pickling, wash the removal surface impurity with water;
Step 3: dipping, washed raw material is put into the magnetic fluid dipping for preparing, add gentle the stirring to reach better mixed effect, allow magnetic-particle fully be adsorbed on the raw material;
Step 4: carbonization-activation, can put into heater behind the dipping raw material drying well and under protection gas, carry out the carbonization-activation process;
Step 5: post processing, product is cleaned.
As a prioritization scheme of the embodiment of the invention, magnetic fluid is to make nano level tri-iron tetroxide by coprecipitation method or catalysis method.
As a prioritization scheme of the embodiment of the invention, heater is microwave-oven-heating, and protective gas is nitrogen.
Below in conjunction with drawings and the specific embodiments application principle of the present invention is further described.
As shown in Figure 1, the preparation method of the biomass-based magnetic active carbon of the embodiment of the invention may further comprise the steps:
S101: pulverize raw material, raw meal is broken to a certain degree, can reach better dipping and charing effect;
S102: clean raw material, raw material is carried out pickling, wash the removal surface impurity with water;
S103: dipping, washed raw material is put into the magnetic fluid dipping for preparing, add gentle the stirring to reach better mixed effect, allow magnetic-particle fully be adsorbed on the raw material;
S104: carbonization-activation, can put into heater behind the dipping raw material drying well and under protection gas, carry out the carbonization-activation process;
S105: carry out post processing, product is cleaned.
In embodiments of the present invention, magnetic fluid is to make nano level tri-iron tetroxide by coprecipitation method or catalysis method;
In embodiments of the present invention, heater is microwave-oven-heating, and protective gas is nitrogen.
Operation principle of the present invention is: the active carbon that the present invention is made take living beings as raw material, mix the active carbon for preparing in advance and obtain with magnetic fluid.Active carbon makes by physics or chemical method, and magnetic fluid makes nano level tri-iron tetroxide by coprecipitation method or catalysis method, and tri-iron tetroxide is adsorbed on the active carbon in the mixed process, thereby obtains the magnetic active carbon of tool.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the preparation method of a biomass-based magnetic active carbon is characterized in that, the active carbon that this preparation method is made take living beings as raw material mixes the active carbon for preparing in advance and obtains with magnetic fluid; Active carbon makes by physics or chemical method, and magnetic fluid makes nano level tri-iron tetroxide by coprecipitation method or catalysis method, and tri-iron tetroxide is adsorbed on the active carbon in the mixed process, thereby obtains the magnetic active carbon of tool.
2. the process of preparing of biomass-based magnetic active carbon as claimed in claim 1 is characterized in that, this preparation method may further comprise the steps:
Step 1: raw material is pulverized, and raw material is pulverized, and crosses 60 mesh sieves, when the raw material after the pulverizing mixes with magnetic fluid, is beneficial to pyrolysis and goes out volatile matter in carbonization process.
Step 2: clean raw material, raw material is carried out pickling, wash the removal surface impurity with water;
Step 3: dipping, washed raw material is put into the magnetic fluid dipping for preparing, add gentle the stirring, allow magnetic-particle be adsorbed in raw material;
Step 4: carbonization-activation, can put into heater behind the dipping raw material drying well and under protection gas, carry out the carbonization-activation process;
Step 5: carry out post processing, product is cleaned.
3. the process of preparing of biomass-based magnetic active carbon as claimed in claim 1 is characterized in that, magnetic fluid makes nano level tri-iron tetroxide by coprecipitation method or catalysis method.
4. the process of preparing of biomass-based magnetic active carbon as claimed in claim 1 is characterized in that, heater adopts microwave-oven-heating, and protective gas is nitrogen.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611497A (en) * | 2013-12-10 | 2014-03-05 | 四川农业大学 | Method for preparing biological carbon with high nitrogen-phosphorus adsorption properties |
| KR101437390B1 (en) * | 2013-12-05 | 2014-09-04 | 대한민국 | Magnetized activated carbon by microwave irradiation and the manufacturing method |
| CN104437369A (en) * | 2014-11-17 | 2015-03-25 | 赵秀娟 | Method for preparing iron-loaded active carbon by adopting one-step activation method |
| CN104549155A (en) * | 2015-01-23 | 2015-04-29 | 中国科学院生态环境研究中心 | Biological activated carbon composite material and application thereof |
| CN105536703A (en) * | 2015-12-25 | 2016-05-04 | 华中农业大学 | Preparation method for magnetic biological carbon by one-step synthesis |
| CN107384451A (en) * | 2017-07-03 | 2017-11-24 | 淮阴工学院 | The method that prepared by nickel radical magnetic active carbon and pyrolysis biomass produces hydrogen-rich synthetic gas |
| CN107774232A (en) * | 2017-10-27 | 2018-03-09 | 东莞市联洲知识产权运营管理有限公司 | A kind of magnetic active carbon mixture of the ball containing charcoal and preparation method thereof |
| CN109225135A (en) * | 2018-10-23 | 2019-01-18 | 山东省科学院生态研究所 | A kind of modification biological charcoal adsorbent material and preparation method thereof with to Pb in water body2+Removal application |
| CN109317097A (en) * | 2018-10-22 | 2019-02-12 | 西安建筑科技大学 | A kind of ferriferous oxide/absorbent charcoal composite material and preparation method thereof |
| CN110156009A (en) * | 2018-02-27 | 2019-08-23 | 彭万喜 | A kind of preparation method of active carbon |
| CN110433791A (en) * | 2019-08-09 | 2019-11-12 | 宜兴国际环保城科技发展有限公司 | A kind of magnetic catalyst preparation method applied to tubular type free-radical oxidation |
| CN110548483A (en) * | 2019-05-25 | 2019-12-10 | 北京化工大学 | preparation method and application of biochar/nano ferroferric oxide composite material |
| CN110713184A (en) * | 2019-11-28 | 2020-01-21 | 湖南省格林森炭业股份有限公司 | Secondary processing method of activated carbon |
| CN110862085A (en) * | 2019-11-29 | 2020-03-06 | 湖南省格林森炭业股份有限公司 | Activated carbon |
| CN113355096A (en) * | 2021-07-22 | 2021-09-07 | 南京大学 | Application of carbon-based repair material in repairing of antimony-arsenic polluted soil and preparation method |
| CN113457620A (en) * | 2021-05-25 | 2021-10-01 | 忻州师范学院 | Method for preparing magnetic meat and bone biochar by modifying magnetic fluid |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101437390B1 (en) * | 2013-12-05 | 2014-09-04 | 대한민국 | Magnetized activated carbon by microwave irradiation and the manufacturing method |
| CN103611497A (en) * | 2013-12-10 | 2014-03-05 | 四川农业大学 | Method for preparing biological carbon with high nitrogen-phosphorus adsorption properties |
| CN103611497B (en) * | 2013-12-10 | 2016-08-24 | 四川农业大学 | A kind of prepare high nitrogen, the method for phosphorus absorption property charcoal |
| CN104437369A (en) * | 2014-11-17 | 2015-03-25 | 赵秀娟 | Method for preparing iron-loaded active carbon by adopting one-step activation method |
| CN104549155A (en) * | 2015-01-23 | 2015-04-29 | 中国科学院生态环境研究中心 | Biological activated carbon composite material and application thereof |
| CN105536703A (en) * | 2015-12-25 | 2016-05-04 | 华中农业大学 | Preparation method for magnetic biological carbon by one-step synthesis |
| CN107384451A (en) * | 2017-07-03 | 2017-11-24 | 淮阴工学院 | The method that prepared by nickel radical magnetic active carbon and pyrolysis biomass produces hydrogen-rich synthetic gas |
| CN107384451B (en) * | 2017-07-03 | 2018-10-02 | 淮阴工学院 | The method that prepared by nickel radical magnetic active carbon and pyrolysis biomass produces hydrogen-rich synthetic gas |
| CN107774232A (en) * | 2017-10-27 | 2018-03-09 | 东莞市联洲知识产权运营管理有限公司 | A kind of magnetic active carbon mixture of the ball containing charcoal and preparation method thereof |
| CN110156009A (en) * | 2018-02-27 | 2019-08-23 | 彭万喜 | A kind of preparation method of active carbon |
| CN109317097A (en) * | 2018-10-22 | 2019-02-12 | 西安建筑科技大学 | A kind of ferriferous oxide/absorbent charcoal composite material and preparation method thereof |
| CN109225135A (en) * | 2018-10-23 | 2019-01-18 | 山东省科学院生态研究所 | A kind of modification biological charcoal adsorbent material and preparation method thereof with to Pb in water body2+Removal application |
| CN110548483A (en) * | 2019-05-25 | 2019-12-10 | 北京化工大学 | preparation method and application of biochar/nano ferroferric oxide composite material |
| CN110433791A (en) * | 2019-08-09 | 2019-11-12 | 宜兴国际环保城科技发展有限公司 | A kind of magnetic catalyst preparation method applied to tubular type free-radical oxidation |
| CN110713184A (en) * | 2019-11-28 | 2020-01-21 | 湖南省格林森炭业股份有限公司 | Secondary processing method of activated carbon |
| CN110713184B (en) * | 2019-11-28 | 2024-04-05 | 湖南省格林森炭业股份有限公司 | Secondary processing method of activated carbon |
| CN110862085A (en) * | 2019-11-29 | 2020-03-06 | 湖南省格林森炭业股份有限公司 | Activated carbon |
| CN110862085B (en) * | 2019-11-29 | 2024-04-26 | 湖南省格林森炭业股份有限公司 | Active carbon |
| CN113457620A (en) * | 2021-05-25 | 2021-10-01 | 忻州师范学院 | Method for preparing magnetic meat and bone biochar by modifying magnetic fluid |
| CN113355096A (en) * | 2021-07-22 | 2021-09-07 | 南京大学 | Application of carbon-based repair material in repairing of antimony-arsenic polluted soil and preparation method |
| CN113355096B (en) * | 2021-07-22 | 2022-04-22 | 南京大学 | Application of carbon-based repair material in repairing of antimony-arsenic polluted soil and preparation method |
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