CN106621776A - Purification equipment for removing formaldehyde out of air - Google Patents
Purification equipment for removing formaldehyde out of air Download PDFInfo
- Publication number
- CN106621776A CN106621776A CN201611193459.3A CN201611193459A CN106621776A CN 106621776 A CN106621776 A CN 106621776A CN 201611193459 A CN201611193459 A CN 201611193459A CN 106621776 A CN106621776 A CN 106621776A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/108—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses purification equipment for removing formaldehyde out of air. The equipment comprises a liquid supply module, a reaction separation module and an induced-draft module, wherein the liquid supply module comprises a liquid storage tank for storing a reaction liquid and a liquid pump for conveying the reaction liquid from the liquid storage tank; the reaction liquid is conveyed to a liquid distributor through a liquid supply pipe, reacts with a formaldehyde-containing gas and flows into the liquid storage tank through a liquid receiver; the reaction separation module is a reaction separation tower segment and sequentially comprises a filter deodorizing layer, a liquid distributer, a first filling layer and a second filling layer from top to bottom; and the induced-draft module comprises a gas filter for purifying the gas and an induced-draft fan for providing the gas with power. After treatment through the purification equipment, the formaldehyde content in air is significantly reduced, an air purifier is high in formaldehyde removal efficiency and can continuously run for a long period of time, the disadvantages of adsorption saturation, secondary pollution and the like of other air purifiers are avoided and the targets of purifying indoor air and improving the indoor environment are achieved.
Description
Technical field
The present invention relates to a kind of air cleaning facility, and in particular to a kind of purification of air for removing Formaldehyde in Environment sets
It is standby.
Background technology
At present, the air purification method for removing formaldehyde has filtration, photocatalysis, oxidation etc..Adopting in filter method includes living
Property charcoal screen pack, the efficient filter membranes of HEPA are in interior various filter assemblies purify airs, wherein activated charcoal strainer adsorption filtration master
Principle is wanted to be that using the pernicious gas such as adsorption hole efficient absorption formaldehyde filtered in netlist, HEPA filter screens are to 0.3 micron of diameter
Particulate burning purifying rate is up to 97 more than %.But physical filtering has adsorption saturation, formaldehyde adsorption is not only unable to during adsorption saturation,
The risk of the pernicious gases such as release formaldehyde is also had, and efficient filter replacement cost is high, multiple filtration technology can also increase windage.
PHOTOCATALYTIC AIR-PURIFYING is active oxygen of Strong oxdiative ability for being produced under the irradiation of light source using catalysis material etc. by air
In the organic matter such as formaldehyde resolve into other innocuous gas, reaction condition is gentle, but photocatalysis technology itself have it is certain scarce
Point, may be decomposed into other hazardous compounds, secondary pollution air, while photocatalyst technology by the hazardous compound in air
It is limited to the size of contact area.Oxidation Decomposition formaldehyde is that another processes the method containing formaldehyde air, using oxidant such as
Ozone etc. by Formaldehyde decomposition into innocuous gas, however it is necessary that control rational ozone usage amount, if the ozone discharge of excess is arrived
In air, the secondary pollution of air is easily caused, be detrimental to health.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of sky for removing formaldehyde based on chemical absorbing principle
Gas cleaning equipment.The equipment utilization chemical absorbing principle, by chemical reaction formaldehyde is removed, it is to avoid physical absorption saturation, catalysis
Oxidation secondary pollution problems, to make up the deficiencies in the prior art.
For achieving the above object, the present invention takes technical scheme below：
A kind of cleaning equipment for removing formaldehyde in air, the equipment includes feed flow module, Reaction Separation module and air inducing mould
Block；The feed flow module includes the reservoir of storage reactant liquor and carries out conveying the liquid pump of reactant liquor from the reservoir, reaction
Liquid is delivered to liquid distribution trough via liquid feeding pipeline, flow into reservoir again via accumulator after the completion of formaldehyde gas reaction with containing；
The Reaction Separation module is a Reaction Separation tower section, from top to bottom includes successively filtering taste removal layer, liquid distribution trough and first
Layer packing layer, second layer packing layer；The air inducing module includes the pneumatic filter of purification gas and provides aerodynamical drawing
Blower fan；Reactant liquor in the reservoir is delivered to liquid distribution trough by liquid pumping action Jing liquid feeding pipelines, is sprayed to ground floor
Packing layer and second layer packing layer, the gas containing formaldehyde in the presence of air-introduced machine, the air inlet of reacted separation module lower end
Into, second layer packing layer, ground floor packing layer are sequentially passed through, wherein, reactant liquor is from top to bottom absorbed after the formaldehyde in gas
Undergo liquid device to flow back in reservoir, the gas containing formaldehyde is in air intake passage with reactant liquor countercurrent mass transfer from the bottom to top by absorption first
Discharge from air outlet through air-out passage in the presence of air-introduced machine after aldehyde.
Further, above-mentioned cleaning equipment includes multiple Reaction Separation modules.
Further, above-mentioned cleaning equipment also includes detection control module.
Further, the feed flow module also includes feed supplement pump and oxidant bottle, and feed supplement pump is periodically by oxidant bottle
In oxidant be drawn in liquid feeding pipeline, then Jing liquid distribution troughs enter Reaction Separation module；It ensure that feed flow is returned
Formaldehyde and oxidant concentration in road in each several part liquid all in zone of reasonableness, to ensure that absorbed formaldehyde can be filled in time
The oxidation Decomposition divided.
Further, the number of the Reaction Separation module is generally 1 ~ 3, preferably 2.
Further, the air inlet of the Reaction Separation tower section is additionally provided with dedusting filter screen, and air first passes around dedusting filter
Net enters Reaction Separation module by air inlet again.
Further, the filler in the ground floor packing layer and second layer packing layer is conventional structured packing or scattered heap
Filler；Conventional structured packing is preferably fiber ripple packing, and monoblock is piled up in Reaction Separation module, and filler is through surface treatment
Afterwards, with good wetability；Each filler unit of random packing is interior to have irregular duct, can promote to mix between fluid.
Further, the liquid distribution trough is pipe distributor, and reactant liquor periodically enters liquid distribution trough, with interval
The formula type of flow from up to down flows from packing layer, so both can guarantee that and is evenly distributed, and the abundant of gas and liquid is can guarantee that again
Contact.
Further, the reactant liquor contains oxidant；Oxidant is potassium bichromate, potassium permanganate, sodium hypochlorite, peroxide
Change one or more mixing of the aqueous solution of hydrogen, its total mass fraction is 2% ~ 10%.
Beneficial effects of the present invention：The present invention utilizes oxidative absorption principle, can be gone at short notice by chemical reaction
Except formaldehyde, purify air；Reactant liquor used in the present invention has good oxidability, and price is relatively inexpensive, and readily replaceable
Solution.In addition, overall construction design of the present invention rationally, cooperates between modules, close structure, it is easy to safeguard.
After processed by the invention, formaldehyde in air content is significantly reduced, the air purifier methanal removing effect of the present invention
Rate is high and can continuously run for a long time, it is to avoid the shortcoming of other air purifiers such as adsorption saturation and secondary pollution, reaches net
Change room air, improve the purpose of indoor environment, be particularly well-suited to office, the just renovated new home uses.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation that the present invention includes a Reaction Separation module.
Fig. 3 is the structural representation that the present invention includes three Reaction Separation modules.
Fig. 4 is the structural representation of conventional structured packing.
Fig. 5 is random packing structural representation.
Wherein, 1- liquid pumps, 2- liquid feeding pipelines, 3- liquid distribution troughs, 4- accumulators, 5- reservoirs, 6- filters taste removal layer,
7- ground floor packing layers, 8- second layer packing layers, 9- pneumatic filters, 10- air intake passages, 11- air-out passages, 12- air-introduced machines.
Specific embodiment
Describe the present invention in detail below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figure 1, the present invention includes feed flow module, Reaction Separation module and air inducing module, wherein Reaction Separation module
Can be provided with multiple；The feed flow module includes the reservoir 5 of storage reactant liquor and carries out conveying reactant liquor from the reservoir 5
Liquid pump 1, reactant liquor is delivered to liquid distribution trough 3 via liquid feeding pipeline 2, with containing formaldehyde gas reaction after the completion of via accumulator
4 flow into again reservoir 5；The Reaction Separation module be a Reaction Separation tower section, from top to bottom successively include filter taste removal layer 6,
Liquid distribution trough 3 and ground floor packing layer 7, second layer packing layer 8；The air inducing module includes the pneumatic filter of purification gas
9 and provide aerodynamical air-introduced machine 12；Reactant liquor in the reservoir 5 acts on Jing liquid feeding pipelines 2 and is delivered to by liquid pump 1
Liquid distribution trough 3, is sprayed to ground floor packing layer 7 and second layer packing layer 8, effect of the gas containing formaldehyde in air-introduced machine 12
Under, the air inlet of reacted separation module lower end is entered, and sequentially passes through second layer packing layer 8, ground floor packing layer 7, wherein, instead
Answer liquid from top to bottom to absorb Jing accumulators 4 after the formaldehyde in gas to flow back in reservoir 5, the gas containing formaldehyde is in air intake passage 10
In with reactant liquor countercurrent mass transfer from the bottom to top by after absorption formaldehyde in the presence of air-introduced machine 12 through air-out passage 11 from air-out
Mouth is discharged.Above-mentioned cleaning equipment also includes detection control module.The feed flow module also includes feed supplement pump and oxidant bottle, feed supplement
Pump is periodically drawn into the oxidant in oxidant bottle in liquid feeding pipeline 2, then Jing liquid distribution troughs 3 enter Reaction Separation
Module；It ensure that formaldehyde and oxidant concentration in feed flow loop in each several part liquid all in zone of reasonableness, to ensure
Absorbed formaldehyde can be by timely sufficiently oxidation Decomposition.The air inlet of the Reaction Separation tower section is additionally provided with dedusting filter screen,
Air first passes around dedusting filter screen and enters Reaction Separation module by air inlet again.
As Figure 2-3, the Reaction Separation module includes multiple Reaction Separation tower sections, i.e., filter including multiple mistakes successively
Taste layer 6, liquid distribution trough 3 and ground floor packing layer 7, second layer packing layer 8；Reaction Separation tower section number is generally 1 ~ 3, excellent
Elect 2 as.
As illustrated in figures 4-5, the filler in the ground floor packing layer 7 and second layer packing layer 8 for conventional structured packing or
It is random packing；Conventional structured packing is preferably fiber ripple packing, and monoblock is piled up in Reaction Separation module, and filler is through table
After face is processed, with good wetability；Each filler unit of random packing is interior to have irregular duct, can promote between fluid
Mixing.
The liquid distribution trough is pipe distributor, and reactant liquor periodically enters liquid distribution trough, with intermittent flow side
Formula from up to down flows from packing layer, so both can guarantee that and is evenly distributed, and being fully contacted for gas and liquid is can guarantee that again.
The reactant liquor contains oxidant；Oxidant is potassium bichromate, potassium permanganate, sodium hypochlorite, the water of hydrogen peroxide
One or more mixing of solution, its total mass fraction is 2% ~ 10%.
The said equipment is highly 800 ~ 1500 mm；400 ~ 600mm of bed stuffing height in every section of reaction fractionating tower.
So that Reaction Separation module is a Reaction Separation tower section as an example, the use process of the present invention is illustrated.The present invention is used
When, air-introduced machine 12, liquid pump 1 and accumulator 4 are opened successively, by air inlet suction, air is through dedusting for the air containing formaldehyde
Filter screen 9, by air inlet in reaction fractionating tower, vertical direction absorbs oxidation solution from top to bottom by entrance lateral movement upwards
Motion, air and the solution countercurrent mass transfer so that air and the concurrent biochemical reaction of absorption oxidation solution cross-flow mass transfer so that air
In formaldehyde can enter into absorption oxidation solution in, further washing, purifying air；Finally absorb oxidation solution to pass through from top to bottom
Reaction fractionating tower is flowed in reservoir 5, and the formaldehyde in solution occurs oxidation reaction, finally, Jing in reservoir with oxidation solution
Gas air outlet discharger, is finally completed the purification process containing formaldehyde air.
The present invention is expanded on further below in conjunction with example is embodied as.
Embodiment 1：
1. in laboratory conditions, produced by formaldehyde generator in closed room and contain formaldehyde gas, adjusted experiment institute
It is 1.0 mg/m with air concentration containing formaldehyde3.Formaldehyde generator produce containing formaldehyde gas as formaldehyde air cleaning unit
Air inlet, switches on power, and the air containing formaldehyde is entered inside device via dedusting filter screen, and gas flow is 1 m under experiment condition3/h
Left and right；What 2. experiment was selected absorbs oxidation solution for calcium chloride, 2% mixed solution of hydrogen peroxide that mass fraction is 50%.Containing formaldehyde
Air inlet of the air first from below reaction fractionating tower is entered inside device, is absorbed oxidation solution and is delivered to instead by liquid pump 1
In answering knockout tower, flow is 10L/h or so, absorbs and flow into after oxidation solution and air inversion mass transfer in reservoir 5, the first in solution
There is chemical reaction in aldehyde, formaldehyde is oxidized to formic acid with the hydrogen peroxide in reservoir；3. after reaction fractionating tower process
Gas is discharged from gas outlet, and after testing, exit gas concentration of formaldehyde is 0.01 mg/m3, illustrate that the present invention is completely removed first
Aldehyde, purify air.
Embodiment 2：
1. produced by formaldehyde generator and contain formaldehyde gas, air concentration containing formaldehyde used by adjusted experiment is 0.45 mg/m3。
Formaldehyde generator produce containing formaldehyde gas as the air inlet of formaldehyde air cleaning unit, switch on power, the air containing formaldehyde exists
Enter inside device via dedusting filter screen under the swabbing action of blower fan, gas flow is 30 m under experiment condition3/ h or so；2. it is real
The damping and absorbent solution for testing selection is calcium chloride, 3% mixed solution of hydrogen peroxide that mass fraction is 50%.Air containing formaldehyde is first
First the air inlet from below reaction fractionating tower is entered inside device, is absorbed oxidation solution and is delivered to Reaction Separation by liquid pump 1
In tower, flow is 10L/h or so, absorbs and flow into after oxidation solution and air inversion mass transfer in reservoir 5, the formaldehyde and storage in solution
There is chemical reaction in the hydrogen peroxide in liquid bath, formaldehyde is oxidized to formic acid；3. through reaction fractionating tower process after gas from
Gas outlet is discharged, and after testing, exit gas concentration of formaldehyde is 0.08 mg/m3, illustrate that the present invention is completely removed formaldehyde, purify
Air.
Embodiment 3：
The present embodiment is to be removed indoor formaldehyde for it by certain company's commission, specific as follows：
1. using front, detect that indoor formaldehyde concentration is about 0.5 mg/m3.Air purifier is positioned over intensive apart from office equipment
At the nearer ground in area, switch on power, the air containing formaldehyde is entered in device under the swabbing action of blower fan via dedusting filter screen
Portion, gas flow is 190 m under experiment condition3/ h or so；2. it is 50% that the damping and absorbent solution for testing selection is mass fraction
Calcium chloride, 4% mixed solution of hydrogen peroxide.Air inlet of the air containing formaldehyde first from below reaction fractionating tower is entered in device
Portion, is absorbed oxidation solution and is delivered in reaction fractionating tower by liquid pump 1, and flow is 10L/h or so, absorbs oxidation solution and air
Flow into after countercurrent mass transfer in reservoir 5, the formaldehyde in solution occurs chemical reaction with the hydrogen peroxide in reservoir, and formaldehyde is by oxygen
Turn to formic acid；3. the gas after reaction fractionating tower process is discharged from gas outlet.After air purifier works 3 hours, Jing inspections
Survey, indoor gas formaldehyde concentration is 0.07mg/m3, illustrate that the present invention is completely removed formaldehyde, purify air.
From above-described embodiment, it is processed by the invention after content of formaldehyde be significantly lower than national standard, illustrate the present invention
The formaldehyde in air can be effectively removed, and it is excellent for the content of formaldehyde effect of variable concentrations.
Above example proves that the present invention can effectively remove the content of formaldehyde in room air, is especially suitable for handling official business and lives
Place.Above example technology design only to illustrate the invention and feature, can not be limited the scope of the invention with this.
All equivalent transformations done according to spirit of the invention or modification, all should cover within the scope of the present invention.
Claims (10)
1. a kind of cleaning equipment for removing formaldehyde in air, it is characterised in that the equipment includes feed flow module, Reaction Separation
Module and air inducing module；The feed flow module includes the reservoir of storage reactant liquor（5）With from the reservoir（5）Carry out conveying instead
Answer the liquid pump of liquid（1）, reactant liquor is via liquid feeding pipeline（2）It is delivered to liquid distribution trough（3）, complete with the reaction containing formaldehyde gas
By by accumulator（4）Reservoir is flowed into again（5）；The Reaction Separation module is a Reaction Separation tower section, from top to bottom successively
Including filtration taste removal layer（6）, liquid distribution trough（3）With ground floor packing layer（7）, second layer packing layer（8）；The air inducing module
Including the pneumatic filter of purification gas（9）With the aerodynamical air-introduced machine of offer（12）；The reservoir（5）In reactant liquor
By liquid pump（1）Effect Jing liquid feeding pipelines（2）It is delivered to liquid distribution trough（3）, it is sprayed to ground floor packing layer（7）And the second layer
Packing layer（8）, the gas containing formaldehyde is in air-introduced machine（12）In the presence of, the air inlet of reacted separation module lower end is entered, according to
It is secondary through second layer packing layer（8）, ground floor packing layer（7）, wherein, reactant liquor from top to bottom absorbs Jing after the formaldehyde in gas
Accumulator（4）Flow back to reservoir（5）In, the gas containing formaldehyde is in air intake passage（10）In with reactant liquor countercurrent mass transfer from the bottom to top
By after absorption formaldehyde in air-introduced machine（12）In the presence of through air-out passage（11）Discharge from air outlet.
2. cleaning equipment as claimed in claim 1, it is characterised in that the cleaning equipment includes multiple Reaction Separation modules.
3. cleaning equipment as claimed in claim 1 or 2, it is characterised in that the cleaning equipment includes two Reaction Separations
Module.
4. cleaning equipment as claimed in claim 1, it is characterised in that the cleaning equipment also includes detection control module.
5. cleaning equipment as claimed in claim 1, it is characterised in that the feed flow module also includes feed supplement pump and oxidant
Oxidant in oxidant bottle is periodically drawn into liquid feeding pipeline by bottle, feed supplement pump（2）In, then Jing liquid distribution troughs（3）
Into Reaction Separation module.
6. cleaning equipment as claimed in claim 1, it is characterised in that the air inlet of the Reaction Separation module is additionally provided with to be removed
Dirt filter screen, air first passes around dedusting filter screen and enters Reaction Separation module by air inlet again.
7. cleaning equipment as claimed in claim 1, it is characterised in that the ground floor packing layer（7）With second layer packing layer
（8）Interior filler is conventional structured packing or random packing.
8. cleaning equipment as claimed in claim 7, it is characterised in that the conventional structured packing is fiber ripple packing, whole
Block is piled up in Reaction Separation module.
9. cleaning equipment as claimed in claim 7, it is characterised in that have in the random packing each filler unit and do not advise
Then duct.
10. cleaning equipment as claimed in claim 1, it is characterised in that the liquid distribution trough is pipe distributor（3）, instead
Answer liquid periodically to enter liquid distribution trough, from up to down flowed from packing layer in intermittent flow mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193459.3A CN106621776A (en) | 2016-12-21 | 2016-12-21 | Purification equipment for removing formaldehyde out of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193459.3A CN106621776A (en) | 2016-12-21 | 2016-12-21 | Purification equipment for removing formaldehyde out of air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621776A true CN106621776A (en) | 2017-05-10 |
Family
ID=58834650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611193459.3A Pending CN106621776A (en) | 2016-12-21 | 2016-12-21 | Purification equipment for removing formaldehyde out of air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106621776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603489A (en) * | 2019-01-31 | 2019-04-12 | 厦门理工学院 | A kind of method of methanal decontamination plant and processing gas |
| CN110523269A (en) * | 2019-09-04 | 2019-12-03 | 温州捷朴环保科技有限公司 | A kind of practical intelligent reminding device for removing formaldehyde |
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| CN102059048A (en) * | 2009-01-07 | 2011-05-18 | 上海水天环保科技有限公司 | Method for treating obnoxious gas by active bamboo charcoal-H2O2 composite catalytic oxidation |
| CN104587817A (en) * | 2014-12-03 | 2015-05-06 | 曾玉成 | VOC decomposition composite-purifying processing apparatus and method |
| CN205461798U (en) * | 2016-03-31 | 2016-08-17 | 李其忠 | Free catalysis treatment system of volatile organic exhaust gas |
| CN105879630A (en) * | 2014-12-05 | 2016-08-24 | 江南大学 | Efficient absorbing and treating method for formaldehyde exhaust gas |
| CN206276229U (en) * | 2016-12-21 | 2017-06-27 | 青岛蓝力环保设备有限公司 | A kind of cleaning equipment for removing formaldehyde in air |
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2016
- 2016-12-21 CN CN201611193459.3A patent/CN106621776A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059048A (en) * | 2009-01-07 | 2011-05-18 | 上海水天环保科技有限公司 | Method for treating obnoxious gas by active bamboo charcoal-H2O2 composite catalytic oxidation |
| CN104587817A (en) * | 2014-12-03 | 2015-05-06 | 曾玉成 | VOC decomposition composite-purifying processing apparatus and method |
| CN105879630A (en) * | 2014-12-05 | 2016-08-24 | 江南大学 | Efficient absorbing and treating method for formaldehyde exhaust gas |
| CN205461798U (en) * | 2016-03-31 | 2016-08-17 | 李其忠 | Free catalysis treatment system of volatile organic exhaust gas |
| CN206276229U (en) * | 2016-12-21 | 2017-06-27 | 青岛蓝力环保设备有限公司 | A kind of cleaning equipment for removing formaldehyde in air |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603489A (en) * | 2019-01-31 | 2019-04-12 | 厦门理工学院 | A kind of method of methanal decontamination plant and processing gas |
| CN109603489B (en) * | 2019-01-31 | 2021-09-24 | 厦门理工学院 | Formaldehyde purification device and method for treating gas |
| CN110523269A (en) * | 2019-09-04 | 2019-12-03 | 温州捷朴环保科技有限公司 | A kind of practical intelligent reminding device for removing formaldehyde |
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