CN104707404B - Starch workshop section tails dedusting deodoration system and technique thereof - Google Patents
Starch workshop section tails dedusting deodoration system and technique thereof Download PDFInfo
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- CN104707404B CN104707404B CN201510089123.1A CN201510089123A CN104707404B CN 104707404 B CN104707404 B CN 104707404B CN 201510089123 A CN201510089123 A CN 201510089123A CN 104707404 B CN104707404 B CN 104707404B
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Abstract
The invention discloses dedusting deodoration system and the technique of a kind of starch workshop section tail gas, it is that the waste gas produced in starch production process is passed sequentially through reverse-flow type inertial dust collection room, ultraviolet light deodorization chamber * winding paper and alkali steaming device reach the effect of dedusting deodorization, compared with prior art, energy-conserving and environment-protective, treating capacity is big and effect is obvious.
Description
Technical field:
The present invention relates to vent gas treatment field, particularly relate to a kind of starch workshop section tails dedusting field of deodorization.
Background technology:
In starch production process, the baking operation of plumule, fiber and egg albumen powder has easily produced band dusty gas frowzy.This tail gas pollution air and directly make the olfactory sensation of employment, the especially life to the resident of periphery cause large effect, therefore the difficult problem that the control emission of starch workshop section tail gas is always in Starch Production.
In prior art, vent gas treatment mainly has collecting method, conversion method and absorption process etc., but often invest compared with big, technique is loaded down with trivial details or is difficult to industrialization, even produces secondary pollution.
Summary of the invention:
In order to overcome the shortcomings and deficiencies of prior art, it is an object of the invention to provide the system of a kind of starch workshop section tails dedusting deodorization, reverse-flow type inertial dust collection, ultraviolet light deodorization and chemical treatment are combined.
Another object of the present invention is to provide the technique of a kind of starch workshop section tails dedusting deodorization, shorten tail gas total residence time, improve dedusting odor removal efficient.
In order to solve the problems referred to above, the technical solution used in the present invention is:
A kind of starch workshop section tails dedusting deodoration system, including:
Reverse-flow type inertial dust collection room, described reverse-flow type inertial dust collection room is by a cylindrical drum and is arranged on the dust exhaust within described cylindrical drum and constitutes, described dust exhaust is the hollow vertebral body structure being made up of some BAIYE baffle plates, described BAIYE baffle length is 18mm, the spacing of neighbouring baffle plate is 3-5mm, it is 35 ° that baffle plate installs gradient, and is provided with blower fan at the base bleed mouth of described reverse-flow type inertial dust collection room；
Ultraviolet light deodorization chamber * winding paper, described ultraviolet light deodorization chamber * winding paper is connected with described reverse-flow type inertial dust collection room by pipeline, four row's uviol lamps it are provided with from top to bottom in described ultraviolet light deodorization chamber * winding paper, the most adjacent two row's uviol lamps are tilted in relation to each other, and slanted angle is 60 °-70 °, and it is provided with blower fan at described ultraviolet light deodorization chamber * winding paper upper air vent；
nullAlkali steaming device，Described alkali steaming device is connected with described ultraviolet light deodorization chamber * winding paper by pipeline，Described alkali steaming device includes a pair scrubbing tower，It is respectively the first scrubbing tower and the second scrubbing tower，Recycle of alkali liquor tank it is respectively connected with bottom it，In described first scrubbing tower，Described recycle of alkali liquor tank is connected by pump and the first alkali liquor heating tank，Described first alkali liquor heating tank sets heating-up temperature as 300-350 DEG C，Described first alkali liquor heating tank is connected with the vertical steam inlet at scrubbing tower top by pipeline，The alkali liquor steam generated by the first alkali liquor heating tank is made to enter the first scrubbing tower from top to bottom，And the first air inlet of the gas to be clean after being additionally provided with by ultraviolet light deodorization chamber * winding paper at described first scrubbing tower top 1/3，Described first air inlet tilts 30 °-35 ° obliquely，So that after mixing with the angle of 55 °-60 ° between gas to be clean with alkali liquor steam，Part alkali liquor steam is condensed backflow，The first row QI KOU arranged by the first scrubbing tower top through the gas of once washing is connected with the second air inlet being arranged on described second wash tower bottoms；In described second scrubbing tower, described recycle of alkali liquor tank is connected by pump and the second alkali liquor heating tank, described second alkali liquor heating tank sets heating-up temperature as 200～250 DEG C, described second alkali liquor heating tank is connected by the vertical steam inlet at pipeline and the second scrubbing tower top, the alkali liquor steam generated by the second alkali liquor heating tank is made to enter the second scrubbing tower from top to bottom, and described second scrubbing tower top is the most vertically provided with second exhaust port, so that gas to be clean is relative with the flow direction of alkali liquor steam；
Wherein, at described first scrubbing tower, the second scrubbing tower top 1/4 and said two recycle of alkali liquor tank top is respectively arranged with pH value detection mouth.
Preferably, at the vertical steam inlet at described two scrubbing tower tops and it is provided with centrifugal fan at described first row QI KOU, second exhaust port, makes gas spray in the way of centrifugal whirlwind.
In order to prevent the dust separated on BAIYE baffle plate from being treated that dedusting gas is affected generation secondary fly-up by enter, described BAIYE baffle plate is set to given shape,
Preferably, described BAIYE baffle plate is flexure type or fold-type.
Preferably, when described BAIYE baffle plate is fold-type, fold stretches out to both sides, and fold extension elongation is opposite side 1.5 times of wherein side.
Preferably, when described BAIYE baffle plate is fold-type, fold only stretches out to side, and fold extension elongation is the spacing distance between two folds.
In order to make the gas treating deodorization more uniformly sufficiently be irradiated, by ultra-violet lamp, the deodorizing effect reaching more excellent,
Preferably, in described four row's Burdick lamps, the two of three parts of the irradiation power of two row's Burdick lamps that irradiation power is both sides of two middle row's Burdick lamps；
Preferably, described four row's uviol lamps are set to move left and right evenly.
So that gas to be clean is preferable and alkali liquor steam, the cross-sectional area of the air inlet of gas to be clean can adjust accordingly the distribution changing air-flow,
Preferably, the cross section of the first air inlet in described first scrubbing tower is peanut shape, is middle narrow, that two ends are wide through hole.
Preferably, the cross section of the second air inlet in described second scrubbing tower is calabash shaped, is middle narrow, and one end is wider and the broader through hole of the other end.
Preferably, described first scrubbing tower and the second scrubbing tower inner upper are additionally provided with the online level monitor for detecting its internal liquid level height, utilize recycle of alkali liquor tank to start to reclaim alkali liquor in case recycling when detecting when liquid level is higher than scrubbing tower 1/2.
A kind of starch workshop section tails dedusting deodorization process, uses the dedusting deodoration system of above-mentioned starch workshop section tail gas and comprises the following steps:
1) dust removal process: gas to be clean enters in the hollow vertebral body structure of reverse-flow type inertial dust collection room by pipeline, gas is divided into draft to flow out from BAIYE flapper gap by BAIYE baffle plate, dust is blocked by baffle plate, to reach the effect of dedusting, for preventing the dust generation secondary fly-up separated on BAIYE baffle plate, control gas flow rate is 11-14m/s, and the gas after dedusting, under the effect of centrifugal fan, enters in the pipeline being connected to ultraviolet light deodorization chamber * winding paper；
2) ultraviolet light deodorization: the gas after dedusting enters ultraviolet light deodorization chamber * winding paper, under the effect that ultraviolet light irradiates, kill the antibacterial in gas, to reach to remove the purpose of stink produced by antibacterial, uviol lamp has the effect of heating simultaneously, it is possible to accelerating the process of deodorization, gas time of staying in ultraviolet light deodorization chamber * winding paper is 10min, the most by centrifugation under the effect of formula blower fan, enter in the pipeline of the first air inlet being connected to the first scrubbing tower；
3) alkali steaming: gas enters in the first scrubbing tower by the first air inlet with the angle tilting upward 30 °-35 ° after ultraviolet light deodorization, the alkali liquor steam entered with the first scrubbing tower top vertical steam inlet is fully contacted with the angle of 55 °-60 °, mixes, making part alkali liquor steam condensing reflux and reclaimed by the first recycle of alkali liquor tank, the alkali liquor after recovery is entered in the first alkali liquor heating tank by pump and recycles；nullDuring gas mixing，Average every 20min detects the mixed gas pH value on the first scrubbing tower top by pH value detection mouth，When pH value is between 6.2～6.8，When △ pH value is less than 0.2，By first row QI KOU, the mixed gas that condensation does not occurs is drained in the air inlet of the second wash tower bottoms，The alkali liquor steam entered with the second scrubbing tower top vertical steam inlet contacts mixing in opposite directions，Part alkali liquor steam condensing reflux is also reclaimed by recycle of alkali liquor tank，Alkali liquor after recovery is entered in the second alkali liquor heating tank in case recycling by pump，During gas mixing，Average every 20min checks the mixed gas pH value on the second scrubbing tower top by pH value detection mouth，When pH value is between 7.0～7.5，When △ pH value is less than 0.2，Gas is discharged by the second exhaust port arranged by the second scrubbing tower top.
Preferably, after 2 circulation washings, the pH value of solution in detection recycle of alkali liquor tank, stop recycling after pH value is less than 8.5, reconfigure after alkali liquor heating for washing, described alkali liquor be sodium hydroxide, potassium hydroxide or calcium hydroxide and water according to 8: 1 part by weight formulated.
Compared to existing technology, the beneficial effects of the present invention is:
1) dedusting deodoration system of the present invention and the simple low cost of technological operation, by reverse-flow type inertial dust collection room and the pretreatment of ultraviolet light deodorization chamber * winding paper, shorten the process time, improve the efficiency of vent gas treatment.
2) present invention uses high-temperature alkaline steam and gas secondary mixed processing to be clean, compares more traditional alkali liquid washing process efficiency higher, processes more complete.
Accompanying drawing illustrates:
Fig. 1 is currently preferred structural representation.
Wherein:
1: reverse-flow type inertial dust collection room；2: ultraviolet light deodorization chamber * winding paper；3: the first scrubbing towers；4: the second scrubbing towers；5: BAIYE baffle plate；6: uviol lamp；7:pH value detection mouth；8: recycle of alkali liquor tank；8 ': recycle of alkali liquor tank；9: the first alkali liquor heating tanks；9 ': the second alkali liquor heating tank；10: online level monitor.
Detailed description of the invention:
In order to be illustrated more clearly that technical scheme, below in conjunction with accompanying drawing and by the way of embodiment, the technology of the present invention is described.
The scope of the present invention is not limited to described one exemplary embodiment.The change of the feature of present invention that (association area and learn that the technical staff of present disclosure will associate) is described herein as and additionally change and other application of the principle of the invention described herein as is considered as within the scope of the present invention.
As it is shown in figure 1, a kind of starch tails dedusting deodoration system, including passing sequentially through the reverse-flow type inertial dust collection room 1 that gas piping to be clean connects, ultraviolet light deodorization chamber * winding paper 2, the first scrubbing tower 3 and the second scrubbing tower 4, wherein,
The internal hollow shape vertebral body being BAIYE baffle plate 5 and constituting in described reverse-flow type inertial dust collection room 1, the thickness of BAIYE baffle plate 5 is 18mm, distance between upper lower baffle plate is 5mm, it is 35 ° that baffle plate installs gradient, when described BAIYE baffle plate is fold-type, fold stretches out to both sides, and fold extension elongation is opposite side 1.5 times of wherein side；
Being provided with four row's uviol lamps 6 in described ultraviolet light deodorization chamber * winding paper 2 from top to bottom, the most every two row's uviol lamps are tilted in relation to each other, and slanted angle is 60 °；
Connect bottom described first scrubbing tower 3 and have recycle of alkali liquor tank 8, described recycle of alkali liquor tank 8 is connected by pump and the first alkali liquor heating tank 9, at the top 1/4 of described first the scrubbing tower 3 and top of recycle of alkali liquor tank 8 further respectively has pH value detection mouth 7, described first alkali liquor heating tank 9 sets heating-up temperature as 300-350 DEG C, and be connected by the vertical steam inlet of pipeline and the first scrubbing tower 3 top, and the first air inlet of the gas to be clean after being additionally provided with by ultraviolet light deodorization chamber * winding paper at described first scrubbing tower 3 top 1/3, described first air inlet tilts 30 °-35 ° obliquely, described first scrubbing tower 3 top is additionally provided with first row QI KOU, and be connected with the second air inlet being arranged on described second wash tower bottoms 4 by pipeline；
Connect bottom described second scrubbing tower 4 and have recycle of alkali liquor tank 8 ', described recycle of alkali liquor tank 8 ' is connected by pump and the second alkali liquor heating tank 9 ', it is respectively equipped with pH value detection mouth 7 with recycle of alkali liquor tank 8 ' top at described second scrubbing tower 4 top 1/4, described second alkali liquor heating tank 9 ' sets heating-up temperature as 200-250 DEG C, and be connected by the vertical steam inlet of pipeline and the second scrubbing tower 4 top, and described second scrubbing tower 4 top is the most vertically provided with second exhaust port；
The air vent of described reverse-flow type inertial dust collection room 1, the air vent of ultraviolet light deodorization chamber * winding paper 2, the vertical steam inlet at the first scrubbing tower 3 top, first row QI KOU, it is equipped with centrifugal fan at the vertical steam inlet at the second scrubbing tower 4 top, second exhaust port, in described first scrubbing tower 3 and the second scrubbing tower 4, is equipped with online level monitor 10.
The technique of a kind of starch workshop section tails dedusting deodorization, uses processing system shown in Fig. 1 and comprises the following steps,
1) dust removal process: gas to be clean enters in the hollow vertebral body of reverse-flow type inertial dust collection room 1 by pipeline, gas is divided into draft to flow out from BAIYE baffle plate 5 gap by BAIYE baffle plate 5 therein, dust is blocked, to reach the effect of dedusting, for preventing the dust generation secondary fly-up separated on BAIYE baffle plate 5, control gas flow rate is 14m/s, and the gas after dedusting by dirt pocket air vent, enters in the pipeline being connected to ultraviolet light deodorization chamber * winding paper under the effect of centrifugal fan；
2) ultraviolet light deodorization: the gas after dedusting enters ultraviolet light deodorization chamber * winding paper 2, under the effect that ultraviolet light irradiates, kill the antibacterial in gas, to reach to remove the purpose of the produced stink of antibacterial, uviol lamp 6 has the effect of heating concurrently, it is possible to accelerating the process of deodorization, gas time of staying in ultraviolet light deodorization chamber * winding paper is 10min, again under the centrifugal fan effect that exhaust ports sets, enter in the pipeline of the first air inlet being connected to the first scrubbing tower 3；
null3) alkali steaming: gas is entered in the first scrubbing tower 3 with the angle tilting upward 30 °-35 ° by the first air inlet after ultraviolet light deodorization，The alkali liquor steam entered with the first scrubbing tower top vertical steam inlet is fully contacted with the angle of 55 °-60 °、Mixing，Make part alkali liquor steam condensing reflux，During gas mixing，Average every 20min detects the first scrubbing tower 3 top mixed gas pH value by pH value detection mouth 7，When pH value is between 6.2～6.8，When △ pH value is less than 0.2，By the centrifugal fan at first row QI KOU and pipeline, the mixed gas that condensation does not occurs is drained in the second air inlet bottom the second scrubbing tower 4，The alkali liquor steam entered with the second scrubbing tower top vertical steam inlet contacts mixing in opposite directions，Part alkali liquor steam condensing reflux，During gas mixing，Average every 20min detects the second scrubbing tower 4 top mixed gas pH value by pH value detection mouth 7，When pH value is between 7.0～7.5，When △ pH value is less than 0.2，Discharge by the centrifugal fan arranged at the second exhaust port at the second scrubbing tower 4 top with by gas.
In gas mixed process, when online level monitor 10 detects that liquid level utilizes recycle of alkali liquor tank to start to reclaim alkali liquor in case recycling when being higher than the 1/2 of scrubbing tower.
After 2 recycle of alkali liquor circulation washings, the pH value of solution in recycle of alkali liquor tank is detected by pH value detection mouth 7 set on recycle of alkali liquor tank, stop recycling after pH value is less than 8.5, reconfigure after alkali liquor heating for washing, described alkali liquor be sodium hydroxide and water according to 8: 1 part by weight formulated.
Although the present invention is disclosed above with embodiment; so it is not limited to the present invention, any one skilled in the art, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is when with the be set to standard of claims.
Claims (10)
1. a starch workshop section tails dedusting deodoration system, including:
Reverse-flow type inertial dust collection room, described reverse-flow type inertial dust collection room is by a cylindrical drum and is arranged on described circle
Dust exhaust within column casing is constituted, and described dust exhaust is the hollow vertebral body being made up of some BAIYE baffle plates
Structure, described BAIYE baffle length is 18mm, and the spacing of neighbouring baffle plate is 3-5mm, baffle plate
Installing gradient is 35 °, and is provided with blower fan at the base bleed mouth of described reverse-flow type inertial dust collection room；
Ultraviolet light deodorization chamber * winding paper, described ultraviolet light deodorization chamber * winding paper is by pipeline with described reverse-flow type inertial dust collection room even
Logical, it is provided with four row's uviol lamps, the most adjacent two row's ultraviolets in described ultraviolet light deodorization chamber * winding paper from top to bottom
Lamp is tilted in relation to each other, and slanted angle is 60 °-70 °, and described ultraviolet light deodorization chamber * winding paper upper air vent
Place is provided with blower fan；
Alkali steaming device, described alkali steaming device is by pipeline with described ultraviolet light deodorization chamber * winding paper even
Logical, described alkali steaming device includes a pair scrubbing tower, the respectively first scrubbing tower and the second scrubbing tower,
Being respectively connected with recycle of alkali liquor tank bottom it, in described first scrubbing tower, described recycle of alkali liquor tank passes through pump
Connecting with the first alkali liquor heating tank, described first alkali liquor heating tank sets heating-up temperature as 300～350 DEG C,
Described first alkali liquor heating tank is connected with the vertical steam inlet at scrubbing tower top by pipeline, makes by the
The alkali liquor steam that one alkali liquor heating tank generates enters the first scrubbing tower from top to bottom, and described first scrubbing tower
First air inlet of the gas to be clean after being additionally provided with by ultraviolet light deodorization chamber * winding paper at top 1/3, described
First air inlet tilts 30 °～35 ° obliquely, so that with 55 °～60 ° between gas to be clean and alkali steam
Angle mixing, part alkali liquor steam is condensed backflow, and the gas through once washing washs by first
The first row QI KOU that top of tower is arranged is connected with the second air inlet being arranged on described second wash tower bottoms；
In described second scrubbing tower, described recycle of alkali liquor tank is connected by pump and the second alkali liquor heating tank, described
Second alkali liquor heating tank sets heating-up temperature as 200～250 DEG C, and described second alkali liquor heating tank passes through pipeline
Connect with the vertical steam inlet at the second scrubbing tower top, make the alkali liquor generated by the second alkali liquor heating tank
Steam enters the second scrubbing tower from top to bottom, and described second scrubbing tower top is the most vertically provided with second exhaust
Mouthful, so that gas to be clean is relative with the flow direction of alkali liquor steam；
Wherein, at described first scrubbing tower, the second scrubbing tower top 1/4 and said two recycle of alkali liquor tank
Top is respectively arranged with pH value detection mouth.
2. starch workshop section as claimed in claim 1 tails dedusting deodoration system, it is characterised in that described
It is provided with at described first row QI KOU, second exhaust port at the vertical steam inlet at two scrubbing tower tops
Centrifugal fan, makes gas spray in the way of centrifugal whirlwind.
3. starch workshop section as claimed in claim 2 tails dedusting deodoration system, it is characterised in that
Described BAIYE baffle plate is flexure type or fold-type.
4. starch workshop section as claimed in claim 3 tails dedusting deodoration system, it is characterised in that described
When BAIYE baffle plate is fold-type, fold stretches out to both sides, and the fold extension elongation of wherein side is another
1.5 times of side.
5. a kind of starch workshop section as claimed in claim 4 tails dedusting deodoration system, it is characterised in that
Described four row's uviol lamps are set to move left and right evenly.
6. starch workshop section as claimed in claim 1 tails dedusting deodoration system, it is characterised in that described
The cross section of the first air inlet in the first scrubbing tower is peanut shape, is middle narrow, that two ends are wide through hole.
7. starch workshop section as claimed in claim 1 tails dedusting deodoration system, it is characterised in that described
The cross section of the second air inlet in the second scrubbing tower is calabash shaped, is middle narrow, and one end is wider and another
The broader through hole in one end.
8. a kind of starch workshop section as claimed in claim 1 tails dedusting deodoration system, it is characterised in that institute
State the first scrubbing tower and the second scrubbing tower inner upper is additionally provided with for detecting the online of its internal liquid level height
Level monitor.
9. a starch workshop section tails dedusting deodorization process, it is characterised in that use described in claim 1
The dedusting deodoration system of starch workshop section tail gas also comprises the following steps:
1) dust removal process: gas to be clean enters in the hollow vertebral body of reverse-flow type inertial dust collection room by pipeline,
Gas is divided into draft to flow out from BAIYE flapper gap by BAIYE baffle plate, and dust is blocked by baffle plate, with
Reach the effect of dedusting, for preventing the dust generation secondary fly-up separated on BAIYE baffle plate further,
Control gas flow rate is 11-14m/s, the gas after dedusting under the effect of centrifugal fan, the company of entering into
Then in the pipeline of ultraviolet light deodorization chamber * winding paper；
2) ultraviolet light deodorization: the gas after dedusting enters ultraviolet light deodorization chamber * winding paper, in the effect that ultraviolet light irradiates
Under, kill the antibacterial in gas, to reach to remove the purpose of the produced stink of antibacterial, gas is at ultraviolet light
In deodorization chamber * winding paper, the time of staying is 5min, then the effect of formula blower fan by centrifugation, enters into and is connected to the first washing
In the pipeline of the first air inlet of tower；
3) alkali steaming: gas passes through the first air inlet to tilt upward 30 ° after ultraviolet light deodorization
The angle of-35 ° enters in the first scrubbing tower, the alkali liquor entered with the first scrubbing tower top vertical steam inlet
Steam is fully contacted with the angle of 55 °-60 °, mixes, and part alkali liquor steam condensing reflux is also returned by alkali liquor
Closed cans reclaims, and the alkali liquor after recovery is entered in the first alkali liquor heating tank in case recycling by pump；Gas
During mixing, average every 20min detects the first scrubbing tower top mixed gas pH by pH value detection mouth
Value, when pH value is between 6.2～6.8, when Δ pH value is less than 0.2, will not occurred by first row QI KOU
The mixed gas of condensation is drained in the second air inlet of the second wash tower bottoms, with the second scrubbing tower
The alkali liquor steam that top vertical steam inlet enters contacts mixing in opposite directions, and part alkali liquor steam condensing reflux is also
Being reclaimed by recycle of alkali liquor tank, the alkali liquor after recovery is entered in the second alkali liquor heating tank in case circulation makes by pump
With, during gas mixing, average every 20min checks the second scrubbing tower top by pH value detection mouth
The pH value of mixed gas, when pH value is between 7.0～7.5, when Δ pH value is less than 0.2, by second
Gas is discharged by the second exhaust port that scrubbing tower top is arranged.
Starch workshop section the most according to claim 9 tails dedusting deodorization process, it is characterised in that
After 2 circulation washings, check the pH value of solution in recycle of alkali liquor tank, stop after pH value is less than 8
Only recycling, for washing after reconfiguring alkali liquor heating, described alkali liquor is sodium hydroxide, hydrogen-oxygen
Change potassium or calcium hydroxide and water according to 8: 1 part by weight formulated.
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| WO2022122462A1 (en) * | 2020-12-10 | 2022-06-16 | IFP Energies Nouvelles | Device and method for depolluting air from confined or semi-confined environments |
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| CN105251269A (en) * | 2015-11-18 | 2016-01-20 | 苏浩强 | Dedusting and deodorizing system and technology of starch workshop section exhaust gas |
| CN109316932A (en) * | 2018-10-17 | 2019-02-12 | 张弘历 | A kind of chemical machinery with chemical products produce in toxic gas purification device |
| CN111408229B (en) * | 2020-04-21 | 2021-11-30 | 攀枝花市蓝鼎环保科技有限公司 | Industrial waste gas purifier |
| CN111659238A (en) * | 2020-06-16 | 2020-09-15 | 王波 | Energy-saving environment-friendly flue gas purification and desulfurization device and method thereof |
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| CN103041683A (en) * | 2012-12-23 | 2013-04-17 | 菱花集团有限公司 | Dust removing and deodorization process and device for waste gas generated at starch production section |
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| JPS5389875A (en) * | 1977-01-18 | 1978-08-08 | Mitsubishi Electric Corp | Deodorizing apparatus |
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| CN103041683A (en) * | 2012-12-23 | 2013-04-17 | 菱花集团有限公司 | Dust removing and deodorization process and device for waste gas generated at starch production section |
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| WO2022122462A1 (en) * | 2020-12-10 | 2022-06-16 | IFP Energies Nouvelles | Device and method for depolluting air from confined or semi-confined environments |
| FR3117377A1 (en) * | 2020-12-10 | 2022-06-17 | IFP Energies Nouvelles | Device and method for depolluting the air in confined or semi-confined environments |
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