CN104524946A - Waste gas treatment method in production of fragant peony extract - Google Patents
Waste gas treatment method in production of fragant peony extract Download PDFInfo
- Publication number
- CN104524946A CN104524946A CN201410849139.3A CN201410849139A CN104524946A CN 104524946 A CN104524946 A CN 104524946A CN 201410849139 A CN201410849139 A CN 201410849139A CN 104524946 A CN104524946 A CN 104524946A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- xanthans
- low
- concentration
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 22
- 241000736199 Paeonia Species 0.000 title claims abstract description 16
- 235000006484 Paeonia officinalis Nutrition 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000284 extract Substances 0.000 title claims abstract description 11
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000003513 alkali Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000341 volatile oil Substances 0.000 claims abstract description 15
- 239000007791 liquid phase Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000230 xanthan gum Substances 0.000 abstract description 7
- 229940082509 xanthan gum Drugs 0.000 abstract description 7
- 235000010493 xanthan gum Nutrition 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 31
- 238000000746 purification Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- -1 NaHCO 3 Substances 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical group CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The invention discloses a waste gas treatment method in the production of fragant peony extract. The waste gas treatment method includes the following steps of 1 cooling at low temperature, wherein waste gas generated in the production is concentrated and conveyed into a low-temperature condenser to be cooled at the low temperature, the cooling temperature is 0 DEG C-4 DEG C, and essential oil in the waste gas is separated preliminarily and enters a low-temperature storage tank; 2 absorbing though a spray tower, wherein the waste gas coming out enters the spray tower to be treated, the spray tower comprises four levels connected in series, and liquid phase substances at the four levels of the spray tower are low-concentration alkali liquor added with xanthan gum, high-concentration alkali liquor added with xanthan gum, high-concentration alkali liquor added with xanthan gum and water respectively; 3 high-altitude exhaust, wherein the treated gas is conveyed to a chimney in a factory through a pipeline and exhausted to the high altitude.
Description
Technical field
The present invention relates to technical field of waste gas treatment, particularly relate to the processing method of waste gas in the production of a kind of peony extract.
Background technology
Exhaust-gas treatment, also referred to as waste gas purification (Flue gas purification) the mainly pointer work of administering industrial waste gas such as dust granules thing, flue gas flue dust, gas with foreign flavor, toxic and harmful that industrial site produces.Common waste gas purification has factory's fume and exhaust gas purifying, workshop dust waste gas purification, organic waste-gas purification, the purification of waste gas peculiar smell, acid-base waste gas purifying, purification of chemical waste gas etc.
Exhaust-gas treatment, mainly comprises following methods:
1) diffusion method is diluted: principle: frowziness ground gas is drained into air by chimney, or uses odorless Dilution air, reduce odorant concentration to reduce stink.The scope of application: in being applicable to process, the foul gas discharged in a organized way of low concentration.Advantage: expense is low, equipment is simple.Shortcoming: be subject to meteorological condition restriction, odorant still exists.
2) water absorption method: principle: utilize the characteristic that Cucumber in foul smell is soluble in water, makes foul smell composition directly contact with water, thus is dissolved in water and reaches deodorization object.The scope of application: foul gas that is water-soluble, emission source in a organized way.Advantage: technique is simple, and convenient management, the low generation secondary pollution of equipment operation expense, need process cleaning solution.Shortcoming: purification efficiency is low, should with other technologies conbined usage, to mercaptan, the poor processing effect such as aliphatic acid.
3) aeration type activated sludge deodorization method: principle: odorant is distributed in the mixed liquid containing activated sludge with aeration form, applied widely by the microbial degradation odorant of suspension growth.The scope of application: Japan is for the Odor control of night soil plant, sewage treatment plant.Advantage: activated sludge is after domestication, and to the odor pollutant being no more than limit load amount, clearance can reach more than 99.5%.Shortcoming: the restriction being subject to aeration intensity, the application of this method also has certain limitation.
4) multimedium catalytic oxidation technique: principle: the solid fillers that in reaction tower, filling is special, the inner composite multimedium catalyst of filler.When under the effect of foul gas at air-introduced machine through packing layer, fully contact at solid phase filling surface in the liquid phase compound oxidant dispersing vaporific ejection with by special nozzle, and under the catalytic action of multimedium catalyst, the pollution factor in foul gas is adequately broken.
The extraction of Chinese herbaceous peony, main production process comprises extraction (alcohol extracting, concentrated, organic solvent are reclaimed), refining (extract and separate, concentrated, vacuum drying), essence dry (vacuum drying, spraying dry), general employing ethanol is as Extraction medium, and waste gas mainly produces in operations such as raw material extraction, spraying oven dry, dregs of a decoction oven dry.The waste gas of general plant extract just absorbs through simple water or directly discharges now, can produce serious pollution.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, in providing a kind of peony extract to produce, the processing method of waste gas, can effectively purify the waste gas produced in Chinese herbaceous peony leaching process, and successful.
The present invention is achieved through the following technical solutions, and specifically comprises the steps:
1) sub-cooled: send into low-temperature condenser after in the exhaust gas centralized produced in production and carry out sub-cooled, chilling temperature is 0-4 DEG C, and realize the initial gross separation of essential oil in waste gas, essential oil enters low-temperature storage tank;
2) spray column absorbs: step 1) waste gas out enters spray column process;
3) high altitude discharge: the gas processed by Cemented filling to factory's inner chimney high altitude discharge.
Described spray column is the level Four of series connection; liquid phase substance in level Four spray column is respectively the lower alkali lye of the concentration that with the addition of xanthans, with the addition of the higher alkali lye of the concentration of xanthans, with the addition of the higher alkali lye of the concentration of xanthans and water; wherein; the alkali lye that the first order with the addition of the concentration of xanthans lower is waste gas absorption main reaction tower; secondary, three-level protective; level Four water is to connect with subsequent technique process, and reduces alkali concn, is convenient to pipeline maintenance and repair.
The preferred 0.5-1.0% mass concentration of described xanthans addition.
Described alkali lye preferred NaOH, NaHCO
3, Na
2cO
3, described concentration is with reference to prior art.
The present invention with the addition of xanthans in the liquid phase substance of spray column, mainly consider that xanthans integrates thickening, suspension, emulsification in the world at present, is stable at, the biogum that best performance is got over, the molecular side chain end of xanthans contains the number of pyruvic acid group, its performance is had a significant impact, xanthans has the general performance of long chain macromolecule, but it contains more functional group than general macromolecule.Xanthans has good suspension effect to insoluble solid and oil droplet.Xanthans colloidal sol molecular energy forms the spiral EVA of superjunction crossed belt shape, forms the network structure of fragile similar glue, so can support the form of solid particle, drop and bubble, demonstrates very strong stable emulsifying effect and higher suspension ability.Xanthans is energy rapid solution in water, has well water-soluble.Also can dissolve in cold water especially, numerous and diverse process can be saved, easy to use.Xanthan gum solution has high viscosity under static or low shear action.The viscosity of xanthan gum solution can not variation with temperature and changing a lot, can viscosity B coefficent be there is because of heating in general polysaccharide, but the aqueous solution of xanthans viscosity between 10-80 DEG C has almost no change, even if the aqueous solution of low concentration still demonstrates stable high viscosity in wide temperature range.Xanthan gum solution is very stable to soda acid, is make its viscosity unaffected between 5-10 at pH, pH be less than 4 and be greater than 11 time viscosity have slight change.Xanthan gum solution can and many salting liquids (sylvite, sodium salt, calcium salt, magnesium salts etc.) miscible, viscosity is unaffected.Under higher salt concentrations condition, even in saturated salt solution, still keep its dissolubility and precipitation and flocculation do not occur, its viscosity is influenced hardly.
Compared with prior art, the present invention has the following advantages:
In the leaching process of 1, Chinese herbaceous peony, waste gas mainly produce extract at raw material, the operation such as spraying oven dry, dregs of a decoction oven dry.Abstraction process generally adopts water extraction or alcohol extracting, steam can be produced in water extraction process, and the flower of Chinese herbaceous peony, stem, Ye Zhong, containing a large amount of plants essential oils, Chinese herbaceous peony is soaked in hot water or water vapour, the essential oil discharged upwards volatilizees along with water vapour, if directly discharged, strong smell can be produced, the present invention passes through waste gas sub-cooled, the water vapour carrying essential oil condenses in low-temperature condenser, liquid is converted to again from gaseous state, essential oil proportion is lighter than water, and it is water insoluble, side waterborne can be swum in be removed again, below is containing micro-essential oil, with the liquid state of all water-soluble volatile substances, be called hydrosol, Chinese herbaceous peony value-added content of product can be increased after essential oil is separated with hydrosol.
2, in other operations that Chinese herbaceous peony is extracted, the pollution factor in waste gas is mainly NMHC, SS, SO
2, NO
xdeng, inorganization volatilization waste gas is mainly the ethanol volatile matter etc. of extraction or extraction process generation, and these pollution factors, at the alkali lye spray column by with the addition of xanthans, being compared and directly being used alkali lye, xanthans can form network structure in alkali lye, and pollution factor is more easily absorbed.
Detailed description of the invention
With embodiment, the invention will be further described below, but the present invention is not limited to these embodiments.
Embodiment 1:
In peony extract production, a processing method for waste gas, specifically comprises the steps:
1) sub-cooled: send into low-temperature condenser after in the exhaust gas centralized produced in production and carry out sub-cooled, chilling temperature is 0-4 DEG C, and realize the initial gross separation of essential oil in waste gas, essential oil enters low-temperature storage tank;
2) spray column absorbs: step 1) waste gas out enters spray column process;
Described spray column is the level Four of series connection, and the liquid phase substance in level Four spray column is respectively the lower alkali lye of the concentration that with the addition of xanthans, with the addition of the higher alkali lye of the concentration of xanthans, with the addition of the higher alkali lye of the concentration of xanthans and water; Described xanthans addition is 0.5% mass concentration;
3) high altitude discharge: the gas processed by Cemented filling to factory's inner chimney high altitude discharge.
Embodiment 2:
In peony extract production, a processing method for waste gas, specifically comprises the steps:
1) sub-cooled: send into low-temperature condenser after in the exhaust gas centralized produced in production and carry out sub-cooled, chilling temperature is 0-4 DEG C, and realize the initial gross separation of essential oil in waste gas, essential oil enters low-temperature storage tank;
2) spray column absorbs: step 1) waste gas out enters spray column process;
Described spray column is the level Four of series connection, and the liquid phase substance in level Four spray column is respectively the lower alkali lye of the concentration that with the addition of xanthans, with the addition of the higher alkali lye of the concentration of xanthans, with the addition of the higher alkali lye of the concentration of xanthans and water; Described xanthans addition is 1.0% mass concentration;
3) high altitude discharge: the gas processed by Cemented filling to factory's inner chimney high altitude discharge.
Result:
| Discharge capacity (t/a) | Dust (flue dust) | SO 2 | NO X | NMHC |
| Embodiment 1 | 0.14 | 0.03 | 0.05 | 0.05 |
| Embodiment 2 | 0.12 | 0.02 | 0.06 | 0.04 |
| Prior art uncontrollable discharge | 7.90 |
Claims (2)
1. peony extract produce in the processing method of waste gas, it is characterized in that, specifically comprise the steps:
1) sub-cooled: send into low-temperature condenser after in the exhaust gas centralized produced in production and carry out sub-cooled, chilling temperature is 0-4 DEG C, and realize the initial gross separation of essential oil in waste gas, essential oil enters low-temperature storage tank;
2) spray column absorbs: step 1) waste gas out enters spray column process;
3) high altitude discharge: the gas processed by Cemented filling to factory's inner chimney high altitude discharge;
Described spray column is the level Four of series connection, and the liquid phase substance in level Four spray column is respectively the lower alkali lye of the concentration that with the addition of xanthans, with the addition of the higher alkali lye of the concentration of xanthans, with the addition of the higher alkali lye of the concentration of xanthans and water.
2. peony extract according to claim 1 produce in the processing method of waste gas, it is characterized in that: described xanthans addition is 0.5-1.0% mass concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849139.3A CN104524946B (en) | 2014-12-31 | 2014-12-31 | Waste gas treatment method in production of fragant peony extract |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849139.3A CN104524946B (en) | 2014-12-31 | 2014-12-31 | Waste gas treatment method in production of fragant peony extract |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104524946A true CN104524946A (en) | 2015-04-22 |
| CN104524946B CN104524946B (en) | 2017-01-25 |
Family
ID=52840679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410849139.3A Expired - Fee Related CN104524946B (en) | 2014-12-31 | 2014-12-31 | Waste gas treatment method in production of fragant peony extract |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104524946B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390687A (en) * | 2016-11-30 | 2017-02-15 | 桂林市世环废气处理设备有限公司 | Treatment method of waste gas in production of asiatic pennywort herb extract |
| CN106390688A (en) * | 2016-11-30 | 2017-02-15 | 桂林市世环废气处理设备有限公司 | Method for treating exhaust gas in sesame-extract production |
| CN106422676A (en) * | 2016-11-30 | 2017-02-22 | 桂林市世环废气处理设备有限公司 | Method for treating waste gas in production of sesame extract |
| CN106474874A (en) * | 2016-11-30 | 2017-03-08 | 桂林市世环废气处理设备有限公司 | The processing method of Fructus Momordicae extract raw green grass or young crops taste waste gas in producing |
| CN106474875A (en) * | 2016-11-30 | 2017-03-08 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in Herba Centellae extract production |
| CN106512654A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Treatment method of unripe and green waste gas in Fructus Momordicae extract production |
| CN106512652A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Method for treating waste gas produced during pomegranate bark extract production |
| CN106512653A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Method for treating odor produced during production of olive leaf extract |
| CN106731513A (en) * | 2016-11-30 | 2017-05-31 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in pomegranate rind extract production |
| CN106731492A (en) * | 2016-11-30 | 2017-05-31 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in a kind of Olive leaf P.E production |
| CN110124622A (en) * | 2019-05-20 | 2019-08-16 | 广州派安环保科技有限公司 | A kind of minor betterment atmosphere PM2.5NO2Sedimentation adsorbent and process |
| CN114917715A (en) * | 2022-05-19 | 2022-08-19 | 合肥国风先进基础材料科技有限公司 | Method for recovering DMAc solvent in waste gas of polyimide film production line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168410A (en) * | 1996-06-14 | 1997-12-24 | 周文俊 | Technological process of extracting oil from fennel and calamus |
| WO2010098440A1 (en) * | 2009-02-26 | 2010-09-02 | 日本かおり研究所株式会社 | Monoterpene component-rich essential oil, method for producing same and method for remediating environmental pollutants using the essential oil |
| CN102380278A (en) * | 2011-09-22 | 2012-03-21 | 东南大学 | Method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in evaporation manner and device of method |
| CN202224050U (en) * | 2011-09-15 | 2012-05-23 | 常州天兴环保科技有限公司 | Complete equipment for tail gas treatment of graphitization furnace |
| CN202315673U (en) * | 2011-09-15 | 2012-07-11 | 常州天兴环保科技有限公司 | Equipment for treating waste gas containing nitric oxide |
| CN103143244A (en) * | 2013-03-08 | 2013-06-12 | 山东科源化工有限公司 | Treatment method for exhaust gases in production of profenofos |
| CN203737036U (en) * | 2014-02-20 | 2014-07-30 | 江苏瑞帆环保装备股份有限公司 | Device for cooperatively reinforcing PM2.5 removing and deep utilization of flue gas residual heat |
-
2014
- 2014-12-31 CN CN201410849139.3A patent/CN104524946B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168410A (en) * | 1996-06-14 | 1997-12-24 | 周文俊 | Technological process of extracting oil from fennel and calamus |
| WO2010098440A1 (en) * | 2009-02-26 | 2010-09-02 | 日本かおり研究所株式会社 | Monoterpene component-rich essential oil, method for producing same and method for remediating environmental pollutants using the essential oil |
| CN202224050U (en) * | 2011-09-15 | 2012-05-23 | 常州天兴环保科技有限公司 | Complete equipment for tail gas treatment of graphitization furnace |
| CN202315673U (en) * | 2011-09-15 | 2012-07-11 | 常州天兴环保科技有限公司 | Equipment for treating waste gas containing nitric oxide |
| CN102380278A (en) * | 2011-09-22 | 2012-03-21 | 东南大学 | Method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in evaporation manner and device of method |
| CN103143244A (en) * | 2013-03-08 | 2013-06-12 | 山东科源化工有限公司 | Treatment method for exhaust gases in production of profenofos |
| CN203737036U (en) * | 2014-02-20 | 2014-07-30 | 江苏瑞帆环保装备股份有限公司 | Device for cooperatively reinforcing PM2.5 removing and deep utilization of flue gas residual heat |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390687A (en) * | 2016-11-30 | 2017-02-15 | 桂林市世环废气处理设备有限公司 | Treatment method of waste gas in production of asiatic pennywort herb extract |
| CN106390688A (en) * | 2016-11-30 | 2017-02-15 | 桂林市世环废气处理设备有限公司 | Method for treating exhaust gas in sesame-extract production |
| CN106422676A (en) * | 2016-11-30 | 2017-02-22 | 桂林市世环废气处理设备有限公司 | Method for treating waste gas in production of sesame extract |
| CN106474874A (en) * | 2016-11-30 | 2017-03-08 | 桂林市世环废气处理设备有限公司 | The processing method of Fructus Momordicae extract raw green grass or young crops taste waste gas in producing |
| CN106474875A (en) * | 2016-11-30 | 2017-03-08 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in Herba Centellae extract production |
| CN106512654A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Treatment method of unripe and green waste gas in Fructus Momordicae extract production |
| CN106512652A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Method for treating waste gas produced during pomegranate bark extract production |
| CN106512653A (en) * | 2016-11-30 | 2017-03-22 | 桂林市世环废气处理设备有限公司 | Method for treating odor produced during production of olive leaf extract |
| CN106731513A (en) * | 2016-11-30 | 2017-05-31 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in pomegranate rind extract production |
| CN106731492A (en) * | 2016-11-30 | 2017-05-31 | 桂林市世环废气处理设备有限公司 | The processing method of waste gas in a kind of Olive leaf P.E production |
| CN110124622A (en) * | 2019-05-20 | 2019-08-16 | 广州派安环保科技有限公司 | A kind of minor betterment atmosphere PM2.5NO2Sedimentation adsorbent and process |
| CN114917715A (en) * | 2022-05-19 | 2022-08-19 | 合肥国风先进基础材料科技有限公司 | Method for recovering DMAc solvent in waste gas of polyimide film production line |
| CN114917715B (en) * | 2022-05-19 | 2024-03-19 | 合肥国风先进基础材料科技有限公司 | Method for recovering DMAc solvent in waste gas of polyimide film production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104524946B (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104524946A (en) | Waste gas treatment method in production of fragant peony extract | |
| CN102068878A (en) | Method for treating odors produced by drying sewage sludge | |
| CN101423214A (en) | Method for catching carbon dioxide in generating plant flue gas by ammonia process and equipment thereof | |
| CN202961941U (en) | Multilevel combined waste gas purification treatment system | |
| CN108993113B (en) | Multi-process combined system and method for treating organic waste gas odor | |
| CN204619569U (en) | The exhaust treatment system that a kind of epoxychloropropane produces in producing | |
| CN105771595A (en) | Industrial waste gas in-depth purifying treatment system | |
| CN105771553A (en) | Low-concentration formaldehyde waste gas collecting and processing technique and special equipment | |
| CN208066104U (en) | A kind of chemical industry waste water station foul smell is collected and processing system | |
| CN103657328A (en) | Novel condensation purification apparatus and application | |
| CN202270462U (en) | Membrane type ammonia absorber | |
| CN206168203U (en) | Dichloromethane waste gas treatment system who contains sulphur | |
| CN211705948U (en) | Effectively reduce processing system that VOC discharged in storage tank | |
| CN204073814U (en) | A kind of cumyl peroxide process gas treating apparatus | |
| CN103537156B (en) | Deodorizing and purifying method for high-temperature and high-humidity tail gas generated in sludge roasting process | |
| CN104524945A (en) | Treating method for waste gas during ginkgol biloba extract production | |
| CN105016312A (en) | Recycling utilization method for sulfur-contained waste material in production of sodium hydrosulfite | |
| CN106139815A (en) | A kind of cleaning of evaporator gas withdrawal processing technique | |
| CN102060348B (en) | Tower type air stripping device for treating chlorinated hydrocarbon polluted underground water | |
| CN114210174A (en) | Absorption/adsorption coupling reinforced stink and organic waste gas treatment method | |
| CN210356698U (en) | Device for treating complex organic waste gas in tank field and recycling resources | |
| CN204233965U (en) | Gas cleaning after a kind of sludge incineration and equipment for reclaiming | |
| CN204865496U (en) | Waste gas treater | |
| CN203803328U (en) | Organic solvent waste gas processing system | |
| CN204724012U (en) | A kind of Dual alkali absorption plant purifying nox contained waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Hui Inventor before: Mo Xiankun Inventor before: Huang Fuping Inventor before: Mo Chunyan Inventor before: Mo Haiyan |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180112 Address after: 221161 the seven groups of Zhenjiang Zhuang village, Jiangzhuang, Jiawang District, Xuzhou, Jiangsu Patentee after: XUZHOU YUANHE ANIMAL HUSBANDRY Co.,Ltd. Address before: 541004, Guilin, Qixing Road, Qixing District, Guilin, the Guangxi Zhuang Autonomous Region, China National hi tech Zone, University Science Park, room 410 Patentee before: GUILIN SHIHUAN WASTE GAS TREATMENT EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |