CN107042100A - A kind of regenerating active carbon system of combination microwave radiation and ozone activation - Google Patents

A kind of regenerating active carbon system of combination microwave radiation and ozone activation Download PDF

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Publication number
CN107042100A
CN107042100A CN201710066511.7A CN201710066511A CN107042100A CN 107042100 A CN107042100 A CN 107042100A CN 201710066511 A CN201710066511 A CN 201710066511A CN 107042100 A CN107042100 A CN 107042100A
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China
Prior art keywords
activated carbon
ozone
microwave
wave
sections
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CN201710066511.7A
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Chinese (zh)
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俞建国
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Ningxia Yixin Environmental Protection Technology Co Ltd
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Ningxia Yixin Environmental Protection Technology Co Ltd
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Priority to CN201710066511.7A priority Critical patent/CN107042100A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3416Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3441Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The present invention relates to the regenerating active carbon system of a kind of combination microwave radiation and ozone activation, the present invention makes full use of microwave method quick, efficient advantage and ozone increase oxygen-containing functional group to improve the advantage of activated carbon adsorptive capacity in activated carbon, by the two innovative combination, system point three-stage, one section of microwave-heating reaction unit, two sections of heat-exchange devices, three sections of ozone activations and water washing device, wherein activated carbon storage warehouse is prepared with ferrite wave-absorbing material, charging aperture and discharge outlet are provided with end socket cover and the anti-Vent of microwave leaks total member, conveying pipeline is aluminium oxide ceramics material, heat exchanger is used in energy exchange, condenser, carry out heat exchange;Activated carbon reservoir entry is connected with ozone generator outlet, and activated carbon is not less than 2 hours with ozone contact, and washing time is not less than 10h.

Description

A kind of regenerating active carbon system of combination microwave radiation and ozone activation
Technical field
Microwave radiation and ozone activation are combined the present invention relates to Regenevating Waste Activated Carbon processing technology field, more particularly to one kind Regenerating active carbon system.
Background technology
Activated carbon has highly developed gap structure and objective specific surface area, and has extremely strong suction to different kinds of molecules Attached ability, is a kind of excellent adsorbent.With the increase of activated carbon dosage, the process problem of waste active carbon is also protruded all the more, For the secondary pollution for avoiding it from bringing, the regeneration treatment technology for waste active carbon also attracts attention all the more.
Microwave radiation regenerated carbon refers to make desorption, charing, activation by high temperature, so as to recover its adsorption capacity A kind of method.Microwave is the electromagnetic radiation being located in electromagnetic spectrum between far infrared and radio wave.During microwave radiation, have The absorption microwave energy that organic pollutants can not continue is to reach the temperature needed for degraded, and activated carbon can effectively absorb microwave energy Temperature is set to reach more than 1000 DEG C.Organic pollution overcomes Van der Waals force to attract to start desorption under microwave action, with micro- The aggregation of wave energy, is carbonized under pyrogenicity and nonthermal effect collective effect.Microwave irradiation has a good application prospect.
Ozone is a kind of extremely strong unstable gas of oxidisability, and ozone output concentration is influenceed by many factors, its lumen Temperature is one of epochmaking factor;Ozone is decayed in 1 minute half in 30 degree or so Shi Hui.Declined at 40 ~ 50 DEG C Subtract and reach 80%.More than 60 DEG C ozone can be decomposed at once.The chemical property of ozone is extremely unstable, all can be slowly in air and water Resolve into oxygen.Temperature is raised, and ozone decomposed speed is accelerated, when temperature is more than 100 DEG C, is decomposed very violent, is reached 270 During DEG C high temperature, oxygen can be immediately converts into.Decomposition rate of the ozone in water is accelerated with the raising of water temperature and pH values.
After ozone is by the rapid decomposable organic or inorganic material for producing stink and its other smells of its strong oxidation performance Deodorising effect is reached, stink original material is resolved into innocuous substance.
Ozone can react with organic matter:(1) the reaction of ozone and alkenes compounds:Ozone easily with double-strand Olefin(e) compound reacts, and the final product of reaction is probably the mixing of monomer, polymerization or ozonide staggeredly Body.Ozonide resolves into aldehyde and acid.(2) the reaction of ozone and aromatic compound:The reaction of ozone and aromatic compound It is relatively slow, in serial benzene<Naphthalene<It is luxuriant and rich with fragrance<Pyrene<In anthracene, its rate constant gradually increases.(3) to nucleoprotein(Amino acid)System, Organic amino also all reacts.In theory, ozone can effectively remove the organic substance adsorbed in waste active carbon, play activation again Raw purpose.
Activated and modified in activated carbon, increase the oxygen-containing functional group of carbon surface, research shows, using ozone, lives Change and modification, the oxy radical effect to increase activated carbon surface is notable.
Activated carbon usage amount increases increasingly, and the activated carbon of saturation needs regeneration treatment.Existing equipment to activated carbon again Raw processing also has energy dissipation, fails effectively utilization, and regeneration rate is low, high energy consumption.Activated carbon to being adsorbed with organic matter, it is living Change the waste gas of processing generation there is also the hidden danger of pollution environment, while activation effect is less desirable.
The content of the invention
The present invention is not enough for more than, and novelty utilizes microwave radiation and ozone, and one is provided in terms of regenerating active carbon Cover the good regeneration treatment system of regeneration rate height, small energy consumption, safety, activation effect.Especially the waste active carbon for adsorbing organic matter is imitated Fruit is more preferably.
The present invention is realized by the following means:With reference to three sections of the regenerating active carbon system point of microwave radiation and ozone activation Formula:
(1)One section of microwave-heating reaction unit, including wave-absorber, magnetron, temperature detector, fan, controller, magnetron is Microwave generating source, wave-absorber is the activated carbon storage warehouse prepared with ferrite wave-absorbing material, in microwave-heating reaction unit Centre, the activated carbon storage warehouse charging aperture and discharge outlet are provided with end socket cover and the anti-Vent of microwave leaks total member, and conveying pipeline is oxygen Change aluminium ceramic material, end socket cover is sealed by end socket sealing ring;Temperature detector detects wave-absorber temperature, and connects with controller Connect, controller is connected with temperature detector;Fan is located above wave-absorber, the heat on microwave magnetron source can be directed into suction Ripple body.
Ferrite wave-absorbing material in the case where being not added with outer Constant charge soil, from the magnetic of incident alternating magnetic field and crystal it is each to The precessional resonance that different in nature equivalent field collective effect is produced, when the angular frequency and the magnetic anisotropy equivalent field of crystal of alternating magnetic field When the intrinsic angular frequency determined is equal, ferrite wave-absorbing material is by a large amount of electromagnetic wave absorption energy.
(2)Activated carbon in two sections of heat-exchange devices, including heat exchanger, condenser, activated carbon storage warehouse is successively through changing Hot device, condenser carry out heat exchange.Activated carbon in wave-absorber specially after microwave radiation, activated carbon storage warehouse is micro- High temperature is gradually under wave radiation, the activated carbon in storage warehouse is subjected to heat exchange through heat exchanger, condenser successively.
(3)Three sections of ozone activations and water washing device, including ozone generator, activated carbon storage facility, water pump, activated carbon warp After two sections of heat-exchange devices, it is fitted into activated carbon storage facility, activated carbon reservoir entry connects with ozone generator outlet Connect;When ozone generator is opened, the other outlets of activated carbon storage facility are in sealing state, and activated carbon is not less than with ozone contact 2 hours;Water is squeezed into by activated carbon storage facility by water pump, stirring is opened, washing, washing time is not less than 10h.It is smelly in this section Oxygen is fully contacted with activated carbon, after activated carbon and ozone contact are not less than 2 hours, is washed or pickling.Addition acid is adjusted Section pH purpose is to promote ozone decomposed complete, it is to avoid cause environment hidden danger.
Microwave source in one section of microwave-heating reaction unit is closing microwave source, and its irradiation unit is arranged on closed cavity It is interior, it is resonator multi-mode electrically magnetic radiation, frequency band is 915MHz ~ 2450MHz.
Two sections of heat-exchange devices, using multi-stage condensing, respectively air cooling, water cooling, coolant is cold.Three sections of ozone activations and Water washing device, air-tight state is in when ozone is not drained all the time, while acid is added dropwise to promote ozone decomposed in washing.
In the present invention, microwave activation temperature is 400 ~ 1000 DEG C, and the volatile combustible gases that activation process is produced are not together with The activation gas of reaction is recycled by pipeline together, is reached environmental protection standard discharge or is burnt.Add because microwave is unique Hot mode, the reaming soak time of activated carbon is significantly reduced.In the present invention, the activated carbon temperature after activation is higher, using multistage Condensation and the mode of heat exchange, iterative cycles cooling make activated carbon be cooled to room temperature.Activated carbon enters three sections, contacts ozone, depth Activation, reaches the purpose of regenerating active carbon.
Brief description of the drawings
Fig. 1 is the regenerating active carbon system schematic with reference to microwave radiation and ozone activation;Label meaning is respectively in figure: 1:One section of microwave-heating reaction unit;2:Two sections of heat-exchange devices;3:Three sections of ozone activations and water washing device;4:Temperature detection Device;5:Magnetron;6:Fan;7:Wave-absorber;8:End socket cover;9:Sealing ring;10:Activated carbon storage warehouse charging aperture;11:Control Device;12:The anti-Vent of microwave leaks total member;13:Activated carbon stores bin discharge port external;14:Heat exchanger;15:Condenser;16:Water pump;17: Water pipe;18:Ozone generator;19:Activated carbon storage facility;20:Agitator.
Embodiment
As shown in drawings, it is divided into three sections with reference to the regenerating active carbon system of microwave radiation and ozone activation, by set about Duan Shixian.
(1)One section of microwave-heating reaction unit, including wave-absorber, magnetron, temperature detector, fan, controller, magnetic control Manage as microwave generating source, wave-absorber is the activated carbon storage warehouse prepared with ferrite wave-absorbing material, react and fill positioned at microwave-heating Center is put, the activated carbon storage warehouse charging aperture and discharge outlet are provided with end socket cover and the anti-Vent of microwave leaks total member, conveying pipeline For aluminium oxide ceramics material, end socket cover is sealed by end socket sealing ring;Temperature detector detects wave-absorber temperature, and and controller Connection, controller is connected with temperature detector;Fan is located above wave-absorber, can be directed to the heat on microwave magnetron source Wave-absorber.
(2)Activated carbon in two sections of heat-exchange devices, including heat exchanger, condenser, activated carbon storage warehouse is successively through changing Hot device, condenser carry out heat exchange.Activated carbon in wave-absorber specially after microwave radiation, activated carbon storage warehouse is micro- High temperature is gradually under wave radiation, the activated carbon in storage warehouse is subjected to heat exchange through heat exchanger, condenser successively.
(3)Three sections of ozone activations and water washing device, including ozone generator, activated carbon storage facility, water pump, activated carbon warp After two sections of heat-exchange devices, it is fitted into activated carbon storage facility, activated carbon reservoir entry connects with ozone generator outlet Connect;When ozone generator is opened, the other outlets of activated carbon storage facility are in sealing state, and activated carbon is not less than with ozone contact 2 hours;Water is squeezed into by activated carbon storage facility by water pump, stirring is opened, washing, washing time is not less than 10h.It is smelly in this section Oxygen is fully contacted with activated carbon, after activated carbon and ozone contact are not less than 2 hours, is washed or pickling.Addition acid is adjusted Section pH purpose is to promote ozone decomposed complete, it is to avoid cause environment hidden danger.
Microwave source in one section of microwave-heating reaction unit is closing microwave source, and its irradiation unit is arranged on closed cavity It is interior, it is resonator multi-mode electrically magnetic radiation, frequency band is 915MHz, two sections of heat-exchange devices, using multi-stage condensing, difference It is cold for air cooling, water cooling, coolant.Three sections of ozone activations and water washing device, air-tight state are in when ozone is not drained, together all the time When washing when be added dropwise acid for adjusting pH to 4, to promote ozone decomposed.

Claims (4)

1. a kind of regenerating active carbon system of combination microwave radiation and ozone activation, it is characterised in that the system point three-stage, One section of microwave-heating reaction unit, including wave-absorber, magnetron, temperature detector, fan, controller, magnetron produce for microwave Source of students, wave-absorber is the activated carbon storage warehouse prepared with ferrite wave-absorbing material, described positioned at microwave-heating reaction unit center Activated carbon storage warehouse charging aperture and discharge outlet are provided with end socket cover and the anti-Vent of microwave leaks total member, and conveying pipeline is aluminium oxide ceramics Material, end socket cover is sealed by end socket sealing ring;Temperature detector detects wave-absorber temperature, and is connected with controller, controller It is connected with temperature detector;Fan is located above wave-absorber, the heat on microwave magnetron source can be directed into wave-absorber;Two sections Activated carbon in heat-exchange device, including heat exchanger, condenser, activated carbon storage warehouse is carried out through heat exchanger, condenser successively Heat exchange;Three sections of ozone activations and water washing device, including ozone generator, activated carbon storage facility, water pump, activated carbon is through two After section heat-exchange device, it is fitted into activated carbon storage facility, activated carbon reservoir entry is connected with ozone generator outlet; When ozone generator is opened, the other outlets of activated carbon storage facility are in sealing state, and it is small that activated carbon is not less than 2 with ozone contact When;Water is squeezed into by activated carbon storage facility by water pump, stirring is opened, washing, washing time is not less than 10h.
2. the regenerating active carbon system of a kind of combination microwave radiation according to claim 1 and ozone activation, its feature exists Microwave source in one section of microwave-heating reaction unit is closing microwave source, and its irradiation unit is arranged in closed cavity, For resonator multi-mode electrically magnetic radiation, frequency band is 915MHz ~ 2450MHz.
3. the regenerating active carbon system of a kind of combination microwave radiation according to claim 1 and ozone activation, its feature exists In two sections of heat-exchange devices, using multi-stage condensing, respectively air cooling, water cooling, coolant is cold.
4. the regenerating active carbon system of a kind of combination microwave radiation according to claim 1 and ozone activation, its feature exists In three sections of ozone activations and water washing device, air-tight state is in all the time when ozone is not drained, while being added dropwise in washing Acid is to promote ozone decomposed.
CN201710066511.7A 2017-02-07 2017-02-07 A kind of regenerating active carbon system of combination microwave radiation and ozone activation Pending CN107042100A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420628A (en) * 2019-07-17 2019-11-08 河北科技大学 Zeolite molecular sieve regenerating unit and regeneration method
CN115382523A (en) * 2022-08-31 2022-11-25 聊城鲁西双氧水新材料科技有限公司 Treatment process for recycling alumina balls and hydrogen peroxide working solution by using microwave technology

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JP2001089121A (en) * 1999-09-17 2001-04-03 Hitachi Ltd Microwave-heating method of active carbon and controlling device
CN1378876A (en) * 2002-05-10 2002-11-13 史宝荣 Process for activating and regenerating activated carbon
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CN2766953Y (en) * 2005-01-11 2006-03-29 上海康福特环保产品科技有限公司 Ozone activation apparatus for active carbon material
CN201684613U (en) * 2010-05-14 2010-12-29 陈超 Microwave activated carbon regenerating device
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CN206838092U (en) * 2017-02-07 2018-01-05 宁夏宜鑫环保科技有限公司 A kind of regenerating active carbon system of combination microwave radiation and ozone activation

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JP2001089121A (en) * 1999-09-17 2001-04-03 Hitachi Ltd Microwave-heating method of active carbon and controlling device
CN1378876A (en) * 2002-05-10 2002-11-13 史宝荣 Process for activating and regenerating activated carbon
CN1562775A (en) * 2004-04-15 2005-01-12 大连理工大学 Restoring method of activated carbon for decomposing, processing and adsorbing organic substance in waste water through microwave irradiation
CN2766953Y (en) * 2005-01-11 2006-03-29 上海康福特环保产品科技有限公司 Ozone activation apparatus for active carbon material
CN201684613U (en) * 2010-05-14 2010-12-29 陈超 Microwave activated carbon regenerating device
CN102652916A (en) * 2012-03-31 2012-09-05 南京工业大学 Activated carbon regeneration device and process
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420628A (en) * 2019-07-17 2019-11-08 河北科技大学 Zeolite molecular sieve regenerating unit and regeneration method
CN115382523A (en) * 2022-08-31 2022-11-25 聊城鲁西双氧水新材料科技有限公司 Treatment process for recycling alumina balls and hydrogen peroxide working solution by using microwave technology

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