CN107376844A - A kind of preparation method of modification with Fe activated carbon - Google Patents
A kind of preparation method of modification with Fe activated carbon Download PDFInfo
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- CN107376844A CN107376844A CN201710847499.3A CN201710847499A CN107376844A CN 107376844 A CN107376844 A CN 107376844A CN 201710847499 A CN201710847499 A CN 201710847499A CN 107376844 A CN107376844 A CN 107376844A
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- activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28009—Magnetic properties
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of preparation method of modification with Fe activated carbon, the preparation method are as follows：（1）After wood activated charcoal is cleaned with distilled water, it is cleaned by ultrasonic 20 30min, 16 20h is then dried in vacuo at 90 100 DEG C；（2）1mol/L iron frerrous chloride and 2mol/L ferric chloride solution are prepared, is added to step by a certain percentage（1）In treated activated carbon, and a certain amount of polyglycol solution is added, after stirring 4 8h, 40 60min of ultrasound, 16 20h are then dried in vacuo at 90 100 DEG C；（3）By step（2）Dried activated carbon calcines 2 5h at 500 800 DEG C, then takes out, cooling, completes the preparation method of the modification with Fe activated carbon.It the advantage is that：The present invention utilizes chemical coprecipitation, with modification with Fe activated carbon, forms ferroso-ferric oxide in activated carbon surface, the activated carbon made has magnetic, is easy to the separation of activated carbon, has preferable application prospect.
Description
Technical field
The invention belongs to technical field of absorbent, and in particular to a kind of preparation method of modification with Fe activated carbon.
Background technology
With the quickening of urbanization process, the increase of urban population and the reinforcement of environmental consciousness, urban industry waste water with
The discharge capacity of sanitary sewage is increasing, and treatment rate of domestic sewage also improves year by year, and the sludge generation rate of sewage plant also drastically increases
Add.Pollutant in waste water is complicated, it is difficult to which biochemical degradation, toxic action can be produced to ecology by being discharged into environment, seriously
Threaten the health of the mankind.
At present, the method for wastewater treatment has advanced oxidation processes, membrane processing method, absorption method etc..Wherein advanced oxidation processes remove
Efficiency high, speed are fast, but easily cause secondary pollution；Membrane processing method cost is higher；Absorption method is simple to operate, investment is small, especially
With the obvious advantage to the pollutant of low concentration, the research that persistent organic pollutants in water body are removed using absorption method have received extensively
Concern.
Activated carbon is porous adsorbing material, has abundant pore structure, higher specific surface area and very strong absorption
Ability.But activated carbon cost is higher, and the activated carbon after absorption should not separate from waste water, so as to constrain its development.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of advantages of good adsorption effect, easily separated, technique is simple
The preparation method of single modification with Fe activated carbon.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of preparation side of modification with Fe activated carbon
Method, its innovative point are：The preparation method is as follows：
（1）After wood activated charcoal is cleaned with distilled water, it is cleaned by ultrasonic 20-30min, is then dried in vacuo at 90-100 DEG C
16-20h；
（2）1mol/L iron frerrous chloride and 2mol/L ferric chloride solution are prepared, is added to step by a certain percentage（1）Processing
In the activated carbon crossed, and a certain amount of polyglycol solution is added, after stirring 4-8h, ultrasonic 40-60min, then in 90-100
16-20h is dried in vacuo at DEG C；
（3）By step（2）Dried activated carbon calcines 2-5h at 500-800 DEG C, then takes out, and cooling, completes the iron
The preparation method of salt modified activated carbon.
Further, the mass ratio of the wood activated charcoal and iron chloride is 1：0.5-1.
Progressive one, the step（2）The volume ratio of middle iron chloride and frerrous chloride is 1：1, the dosage of polyethylene glycol is
10g/L。
Beneficial effects of the present invention are as follows：The present invention utilizes chemical coprecipitation, with modification with Fe activated carbon, in activated carbon
Surface forms ferroso-ferric oxide, and the activated carbon made has magnetic, is easy to the separation of activated carbon；Preparation technology of the present invention is simple, system
Standby adsorption effect of activated carbon in water is good, high treating effect, quickly can be separated after absorption from waste water, after recovered regeneration, again
Applied in wastewater treatment, recycling performance is good, effect stability, has preferable application prospect.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Embodiment 1
A kind of preparation method of modification with Fe activated carbon, preparation method are as follows：
（1）After 270g wood activated charcoals are cleaned with distilled water, it is cleaned by ultrasonic 20min, is then dried in vacuo 16h at 90 DEG C；
（2）10mol/L iron frerrous chloride and 20mol/L ferric chloride solution are prepared, takes 50mL solution of ferrous chloride and 50mL
Ferric chloride solution, it is added to step（1）In treated activated carbon, and 1g polyglycol solutions are added, after stirring 4h, ultrasound
40min, then it is dried in vacuo 16h at 90 DEG C；
（3）By step（2）Dried activated carbon calcines 2h at 500 DEG C, then takes out, cooling, completes modification with Fe activity
The preparation method of charcoal.
Embodiment 2
A kind of preparation method of modification with Fe activated carbon, preparation method are as follows：
（1）After 540g wood activated charcoals are cleaned with distilled water, it is cleaned by ultrasonic 30min, is then dried in vacuo 20h at 100 DEG C；
（2）1mol/L iron frerrous chloride and 2mol/L ferric chloride solution are prepared, takes 100mL solution of ferrous chloride and 100mL
Ferric chloride solution is added to step（1）In treated activated carbon, and 2g polyglycol solutions are added, after stirring 8h, ultrasound
60min, then it is dried in vacuo 20h at 100 DEG C；
（3）By step（2）Dried activated carbon calcines 5h at 800 DEG C, then takes out, cooling, completes modification with Fe activity
The preparation method of charcoal.
Embodiment 3
A kind of preparation method of modification with Fe activated carbon, preparation method are as follows：
（1）After 540g wood activated charcoals are cleaned with distilled water, it is cleaned by ultrasonic 25min, is then dried in vacuo 18h at 95 DEG C；
（2）1mol/L iron frerrous chloride and 2mol/L ferric chloride solution are prepared, takes 50mL solution of ferrous chloride and 50mL chlorine
Change ferrous solution, be added to step（1）In treated activated carbon, and 1g polyglycol solutions are added, after stirring 6h, ultrasound
50min, then it is dried in vacuo 18h at 95 DEG C；
（3）By step（2）Dried activated carbon calcines 24h at 650 DEG C, then takes out, cooling, completes modification with Fe activity
The preparation method of charcoal.
The present invention utilizes chemical coprecipitation, with modification with Fe activated carbon, forms ferroso-ferric oxide in activated carbon surface, makes
Activated carbon there is magnetic, be easy to the separation of activated carbon；Preparation technology of the present invention is simple, the adsorption effect of activated carbon in water of preparation is good,
It high treating effect, can quickly separate from waste water after absorption, after recovered regeneration, again applied in wastewater treatment, repeat
Utility is good, effect stability, has preferable application prospect.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (3)
- A kind of 1. preparation method of modification with Fe activated carbon, it is characterised in that：The preparation method is as follows：After wood activated charcoal is cleaned with distilled water, it is cleaned by ultrasonic 20-30min, is then dried in vacuo 16- at 90-100 DEG C 20h；1mol/L iron frerrous chloride and 2mol/L ferric chloride solution are prepared, is added to step by a certain percentage（1）It is treated Activated carbon in, and add a certain amount of polyglycol solution, after stirring 4-8h, ultrasonic 40-60min, then at 90-100 DEG C Lower vacuum drying 16-20h；By step（2）Dried activated carbon calcines 2-5h at 500-800 DEG C, then takes out, and cooling, completes the molysite and changes The preparation method of property activated carbon.
- A kind of 2. preparation method of modification with Fe activated carbon according to claim 1, it is characterised in that：The wooden activity The mass ratio of charcoal and ferric chloride solution is 1：0.5-1.
- A kind of 3. preparation method of molysite activated carbon according to claim 1, it is characterised in that：The step（2）Middle chlorine The volume ratio for changing iron and frerrous chloride is 1：1, the dosage of polyethylene glycol is 10g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710847499.3A CN107376844A (en) | 2017-09-19 | 2017-09-19 | A kind of preparation method of modification with Fe activated carbon |
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| CN201710847499.3A CN107376844A (en) | 2017-09-19 | 2017-09-19 | A kind of preparation method of modification with Fe activated carbon |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043360A (en) * | 2017-12-12 | 2018-05-18 | 安徽宇瑞环保建设有限公司 | A kind of method that flyash is processed into magnetic active carbon powder |
| CN108636351A (en) * | 2018-05-16 | 2018-10-12 | 南京信息工程大学 | A kind of adsorbent and the preparation method and application thereof being used for phosphorus-containing wastewater or eutrophication water dephosphorization |
| CN109319850A (en) * | 2018-09-21 | 2019-02-12 | 广东工业大学 | A kind of preparation method of the composite modified filtrate of graphene-based-iron chloride and its modified filter material of preparation |
| CN112275031A (en) * | 2020-10-29 | 2021-01-29 | 浙江派菲特新材料科技有限公司 | Preparation method of melt-blown electret polymer filter material |
| CN113562905A (en) * | 2020-04-28 | 2021-10-29 | 宝山钢铁股份有限公司 | High-salinity wastewater advanced treatment method and system |
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| CN101502789A (en) * | 2009-01-22 | 2009-08-12 | 上海交通大学 | Method for preparing magnetic active carbon composite material for water processing |
| CN102078797A (en) * | 2010-12-16 | 2011-06-01 | 浙江天蓝环保技术有限公司 | Modified magnetic catalyst for demercuration of flue gas as well as preparation method and application thereof |
| CN103223329A (en) * | 2013-04-02 | 2013-07-31 | 天津城市建设学院 | Method of preparing activated carbon containing iron by using microwave |
| CN103611496A (en) * | 2013-11-12 | 2014-03-05 | 南京工业大学 | Magnetic carbon-based adsorbent and application thereof |
| CN105170084A (en) * | 2015-09-17 | 2015-12-23 | 上海应用技术学院 | Preparation method of magnetic active carbon for adsorbing heavy metals in water |
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2017
- 2017-09-19 CN CN201710847499.3A patent/CN107376844A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101502789A (en) * | 2009-01-22 | 2009-08-12 | 上海交通大学 | Method for preparing magnetic active carbon composite material for water processing |
| CN102078797A (en) * | 2010-12-16 | 2011-06-01 | 浙江天蓝环保技术有限公司 | Modified magnetic catalyst for demercuration of flue gas as well as preparation method and application thereof |
| CN103223329A (en) * | 2013-04-02 | 2013-07-31 | 天津城市建设学院 | Method of preparing activated carbon containing iron by using microwave |
| CN103611496A (en) * | 2013-11-12 | 2014-03-05 | 南京工业大学 | Magnetic carbon-based adsorbent and application thereof |
| CN105170084A (en) * | 2015-09-17 | 2015-12-23 | 上海应用技术学院 | Preparation method of magnetic active carbon for adsorbing heavy metals in water |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043360A (en) * | 2017-12-12 | 2018-05-18 | 安徽宇瑞环保建设有限公司 | A kind of method that flyash is processed into magnetic active carbon powder |
| CN108636351A (en) * | 2018-05-16 | 2018-10-12 | 南京信息工程大学 | A kind of adsorbent and the preparation method and application thereof being used for phosphorus-containing wastewater or eutrophication water dephosphorization |
| CN109319850A (en) * | 2018-09-21 | 2019-02-12 | 广东工业大学 | A kind of preparation method of the composite modified filtrate of graphene-based-iron chloride and its modified filter material of preparation |
| CN109319850B (en) * | 2018-09-21 | 2022-02-11 | 广东工业大学 | Graphene-based iron chloride composite modified filter material and preparation method and application thereof |
| CN113562905A (en) * | 2020-04-28 | 2021-10-29 | 宝山钢铁股份有限公司 | High-salinity wastewater advanced treatment method and system |
| CN113562905B (en) * | 2020-04-28 | 2023-11-14 | 宝山钢铁股份有限公司 | Advanced treatment method and system for high-salinity wastewater |
| CN112275031A (en) * | 2020-10-29 | 2021-01-29 | 浙江派菲特新材料科技有限公司 | Preparation method of melt-blown electret polymer filter material |
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