CN103316636B - The preparation method of biomass-based magnetic active carbon - Google Patents
The preparation method of biomass-based magnetic active carbon Download PDFInfo
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- CN103316636B CN103316636B CN201310281826.5A CN201310281826A CN103316636B CN 103316636 B CN103316636 B CN 103316636B CN 201310281826 A CN201310281826 A CN 201310281826A CN 103316636 B CN103316636 B CN 103316636B
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Abstract
The invention discloses the preparation method of a kind of biomass-based magnetic active carbon, the activated carbon that this preparation method is made for raw material with biomass, the activated carbon prepared in advance is obtained by mixing with magnetic fluid；Activated carbon is by either physically or chemically preparing, and magnetic fluid is prepared nano level ferroso-ferric oxide by coprecipitation method or catalysis method, and in mixed process, ferroso-ferric oxide is adsorbed on activated carbon, thus obtains having magnetic activated carbon.It is mixed the when of being, before carbonization, raw material is carried out pretreatment by the preparation of biomass-based magnetic active carbon that the present invention provides in passing with Magnetic reagent, technological process simple and convenient and in carbonization process Magnetic reagent can play the effect in front.
Description
Technical field
The invention belongs to activated carbon field, particularly relate to the preparation method of a kind of biomass-based magnetic active carbon.
Background technology
The technology preparing activated carbon at present is two processes of charcoal processing and magnetization to be separated, and the most first raw material is carried out carbon
Change, postactivated, the most again the activated carbon made has been mixed with Magnetic reagent.
Current magnetic active carbon preparation process is the most loaded down with trivial details, and the production cycle is long, and magnetic history can reduce
The absorbability of activated carbon.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of biomass-based magnetic active carbon, it is intended to solve mesh
Front magnetic active carbon preparation process is the most loaded down with trivial details, and the production cycle is long, and magnetic history can reduce activated carbon
The problem of absorbability.
The present invention is achieved in that the preparation method of a kind of biomass-based magnetic active carbon, this preparation method
The activated carbon being made for raw material with biomass, mixes the activated carbon prepared in advance with magnetic fluid
Close and obtain；Activated carbon is by either physically or chemically preparing, and magnetic fluid is prepared by coprecipitation method or catalysis method and receives
The ferroso-ferric oxide of meter level, in mixed process, ferroso-ferric oxide is adsorbed on activated carbon, thus obtains having magnetic
The activated carbon of property.
Further, this preparation method comprises the following steps:
Step one: raw material pulverizing, by raw material pulverizing, crosses 60 mesh sieve, and the raw material after pulverizing mixes with magnetic fluid
During conjunction, it is beneficial to be pyrolyzed out volatile matter in carbonization process.
Step 2: clean raw material, raw material is carried out pickling, washes removal surface impurity with water；
Step 3: dipping, puts into washed raw material the magnetic fluid dipping prepared, adds gentle agitation, allow
Magnetic-particle is adsorbed in raw material；
Step 4: carbonization-activation, can put into after the raw material drying impregnated in heater protection gas under
Carry out carbonization-activation process；
Step 5: carry out post processing, product is carried out.
Further, magnetic fluid is prepared nano level ferroso-ferric oxide by coprecipitation method or catalysis method.
Further, heater uses microwave-oven-heating, and protective gas is nitrogen.
The preparation method of the biomass-based magnetic active carbon that the present invention provides is, before carbonization, raw material is carried out pre-place
It being mixed with Magnetic reagent in passing when of reason, technological process is simple and convenient and Magnetic reagent can in carbonization process
Play the effect in front.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of the biomass-based magnetic active carbon that the present invention provides.
Detailed description of the invention
In order to make the 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, be not intended to limit the present invention.
Fig. 1 shows the flow process of the preparation method of the biomass-based magnetic active carbon that the present invention provides.In order to just
In explanation, illustrate only part related to the present invention.
The preparation method of biomass-based magnetic active carbon.
Step one: raw material pulverizing, by raw material pulverizing to a certain degree, can reach preferably to impregnate and carbonization
Effect；
Step 2: clean raw material, raw material is carried out pickling, washes removal surface impurity with water；
Step 3: dipping, puts into washed raw material the magnetic fluid dipping prepared, adds gentle agitation to reach
To more preferable mixed effect, magnetic-particle is allowed fully to be adsorbed on raw material；
Step 4: carbonization-activation, can put into after the raw material drying impregnated in heater protection gas under
Carry out carbonization-activation process；
Step 5: post processing, is carried out product.
As a prioritization scheme of the embodiment of the present invention, magnetic fluid is to be prepared nanoscale by coprecipitation method or catalysis method
Ferroso-ferric oxide.
As a prioritization scheme of the embodiment of the present invention, heater is microwave-oven-heating, and protective gas is nitrogen
Gas.
Below in conjunction with the accompanying drawings and the application principle of the present invention is further described by specific embodiment.
As it is shown in figure 1, the preparation method of the biomass-based magnetic active carbon of the embodiment of the present invention includes following step
Rapid:
S101: pulverize raw material, by raw material pulverizing to a certain degree, can reach preferably to impregnate and carbonization effect
Really；
S102: clean raw material, raw material is carried out pickling, washes removal surface impurity with water；
S103: dipping, puts into washed raw material the magnetic fluid dipping prepared, adds gentle agitation to reach
Preferably mixed effect, allows magnetic-particle fully be adsorbed on raw material；
S104: carbonization-activation, can put into after the raw material drying impregnated in heater to enter under protection gas
Row carbonization-activation process；
S105: carry out post processing, cleans product.
In embodiments of the present invention, magnetic fluid is to be prepared nano level ferroso-ferric oxide by coprecipitation method or catalysis method；
In embodiments of the present invention, heater is microwave-oven-heating, and protective gas is nitrogen.
The operation principle of the present invention is: the activated carbon that the present invention is made with biomass for raw material, by thing
The activated carbon first prepared is obtained by mixing with magnetic fluid.Activated carbon passes through either physically or chemically to prepare,
Magnetic fluid is prepared nano level ferroso-ferric oxide by coprecipitation method or catalysis method, and in mixed process, ferroso-ferric oxide is inhaled
Invest on activated carbon, thus obtain having magnetic activated carbon.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (1)
1. the preparation method of a biomass-based magnetic active carbon, it is characterised in that this preparation method with
Biomass are raw material, are obtained by mixing with magnetic fluid by the activated carbon prepared in advance；Activated carbon
Being prepared by chemical method, magnetic fluid is prepared nano level ferroso-ferric oxide by coprecipitation method, in mixed process
Middle ferroso-ferric oxide is adsorbed on activated carbon, thus obtains having magnetic activated carbon；
This preparation method comprises the following steps:
Step one: raw material pulverizing, by raw material pulverizing, crosses 60 mesh sieve, the raw material after pulverizing and magnetic current
During body mixing, it is beneficial to be pyrolyzed out volatile matter in carbonization process；
Step 2: clean raw material, raw material is carried out pickling, washes removal surface impurity with water；
Step 3: dipping, puts into washed raw material the magnetic fluid dipping prepared, adds gentle agitation,
Magnetic-particle is allowed to be adsorbed in raw material；
Step 4: carbonization-activation, can put into after the raw material drying impregnated in heater at protection gas
Under carry out carbonization-activation process；
Step 5: carry out post processing, product is carried out；
Magnetic fluid is the nano level ferroso-ferric oxide prepared by coprecipitation method；
Heater uses microwave-oven-heating, and protective gas is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310281826.5A CN103316636B (en) | 2013-07-05 | 2013-07-05 | The preparation method of biomass-based magnetic active carbon |
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| CN201310281826.5A CN103316636B (en) | 2013-07-05 | 2013-07-05 | The preparation method of biomass-based magnetic active carbon |
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| CN103316636A CN103316636A (en) | 2013-09-25 |
| CN103316636B true CN103316636B (en) | 2016-11-02 |
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Families Citing this family (16)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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| US8551617B2 (en) * | 2008-12-18 | 2013-10-08 | Ut-Battelle, Llc | Magnetic filtration process, magnetic filtering material, and methods of forming magnetic filtering material |
| CN101830460B (en) * | 2010-05-26 | 2012-05-30 | 中国科学技术大学苏州研究院 | Active carbon particles and preparation method thereof |
| CN102442666A (en) * | 2011-09-28 | 2012-05-09 | 青岛科技大学 | Preparation method for biomass medicinal charcoal |
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