CN107789977A - A kind of system and method for superior microorganism processing ethyl mercaptan waste gas - Google Patents
A kind of system and method for superior microorganism processing ethyl mercaptan waste gas Download PDFInfo
- Publication number
- CN107789977A CN107789977A CN201711325245.1A CN201711325245A CN107789977A CN 107789977 A CN107789977 A CN 107789977A CN 201711325245 A CN201711325245 A CN 201711325245A CN 107789977 A CN107789977 A CN 107789977A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- ethyl mercaptan
- superior microorganism
- gas
- superior
- 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.)
- Pending
Links
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000002912 waste gas Substances 0.000 title claims abstract description 70
- 244000005700 microbiome Species 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 33
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 14
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 230000000813 microbial effect Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 239000012071 phase Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 13
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 12
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000005416 organic matter Substances 0.000 claims description 11
- 239000003344 environmental pollutant Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 231100000719 pollutant Toxicity 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 9
- 210000004027 cell Anatomy 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 7
- 231100000614 poison Toxicity 0.000 claims description 7
- 230000007096 poisonous effect Effects 0.000 claims description 7
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 6
- 101710088194 Dehydrogenase Proteins 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 6
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 6
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000011256 inorganic filler Substances 0.000 claims description 4
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 102000016938 Catalase Human genes 0.000 claims description 3
- 108010053835 Catalase Proteins 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- 239000012766 organic filler Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims description 2
- 230000037237 body shape Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 230000002503 metabolic effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
Classifications
-
- 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
- B01D53/84—Biological processes
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/485—Sulfur compounds containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
-
- 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
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/95—Specific microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/306—Organic sulfur compounds, e.g. mercaptans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of system and method for superior microorganism processing ethyl mercaptan waste gas, including waste gas Lead-In Area, prime pretreating zone, high efficient biological purifying area, purification gas discharge area, circulated sprinkling system.Waste gas carries out liquid phase dissolved by prime pretreating zone, is finally discharged by purification gas discharge area extraneous by superior microorganism adsorption-decomposition function, purification gas subsequently into high efficient biological purifying area.The beneficial effects of the invention are as follows：Based on a kind of superior microorganism by acclimation and screening, improve ethyl mercaptan waste gas resolution ratio, it can be arrived after processing to the related discharge standard of country and place, greatly improve the treatment effeciency of this waste gas, and in processing equipment normal operation, required power consumption is low, is not required to special messenger and keeps an eye on, hence it is evident that better than other methods for handling such a waste gas on the market.
Description
Technical field
The present invention relates to a kind of superior microorganism, the system that ethyl mercaptan waste gas is handled more particularly, to a kind of superior microorganism
And method.
Background technology
The biological treatment of waste gas is into less using the life process of microorganism the gaseous contaminant decomposition and inversion in waste gas
Or even innocuous substance.Under suitable environmental condition, microorganism constantly absorbs nutriment, and according to the metabolic way of oneself
Carry out metabolic activity.Biological treatment is exactly that this is special using nutriment is needed during bacteria metabolism in waste gas
Point, the harmful substance in waste gas is changed into simple inorganic matter such as carbon dioxide, water, and cellular material etc..In nature
Various microorganisms be present, nearly all inorganic and organic pollutant can convert.Biological treatment need not regenerate
With other high-level processes, compared with other methods of purification, have that equipment is simple, energy consumption is low, safe and reliable, non-secondary pollution etc.
Advantage.But biological treatment exhaust emission decomposition efficiency is relatively low on the market, the residence time is longer in processing for waste gas.
The content of the invention
The purpose of the present invention is exactly to solve the above problems, there is provided a kind of superior microorganism processing ethyl mercaptan waste gas is
System and method, based on a kind of superior microorganism by acclimation and screening, ethyl mercaptan waste gas resolution ratio is improved, can be arrived to state after processing
Family and the discharge standard of place correlation, the treatment effeciency of this waste gas is greatly improved, and in processing equipment normal operation, institute
It need to consume energy low.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of system and method for superior microorganism processing ethyl mercaptan waste gas, its it is special including the use of biomembrane and supporting set
It is standby.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Biomembrane is to pass through the superior microorganism tamed and screened, the poisonous stench point such as ethyl mercaptan in energy efficient absorption waste gas decomposition
Son；Its purification process can be expressed as：。
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Poisonous malodor molecule in superior microorganism degraded waste gas can be divided into three phases：Gas-liquid diffusion phase, the solid diffusion phase of liquid,
The biological oxidation stage.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
The packing layer of prime pretreating zone be filled with efficient air liquid phase contact inorganic filler.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Gas-liquid diffusion phase be waste gas contacted with the moisture film of water or solid phase surface, liquid phase is transferred to by gas phase, this process follow Pi+=
Hxi, Pi --- the equilibrium partial pressure of soluble gas in the gas phase, H --- Henry'S coefficient, Xi --- soluble gas is in liquid phase in formula
In molar fraction.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
The solid diffusion phase of liquid is that odor pollutant is adsorbed by superior microorganism, absorbed in the aqueous solution, and odor pollutant is transferred to micro- life from water
In object, adsorbed organic matter passes through bioconversion, i.e., by extracellular microbial exoenzyme to insoluble and colloidal organic matter
It could one after the other be taken in vivo by microorganism after dissolution, be entered back into after being hydrolyzed to small molecule in cell body.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
The biological oxidation stage be into microbial cell odor pollutant as the energy or nutrient of microbial life activity be decomposed with
Utilize, so that pollutant is removed, specific conversion process is as follows：Organic matter into microbial cell body, various
Desmoenzyme（Such as dehydrogenase, oxidizing ferment）Catalytic action under, microorganism carries out oxidation Decomposition to it, while carries out synthesis generation
Thank and produce new microbial cell；A part of organic matter is eventually converted into the stable inorganic matter such as H2O and CO2 by oxidation Decomposition
Matter, and therefrom obtain synthesis neoblast material（Plasm）Required energy；In microbial body, ethyl mercaptan is first by microorganism
Internal oxydasis is expressed as into aldehyde material and hydrogen sulfide, this step formula：C2H6S+O2+H2O→CH3CHO+H2O2+
H2S；Caused aldehyde material generates acetic acid and hydrogen ion, this step formula is expressed as in the presence of dehydrogenase：CH3CHO+
H2O→CH3COOH+2[H]；Caused hydrogen peroxide resolves into water and oxygen in the presence of catalase, the expression of this step formula
For：2H2O2→2H2O+O2；Caused hydrogen sulfide resolves into S in the presence of sulfide-oxidation system2O3 2-, it is then converted to
S4O2 2-, it is finally synthesizing H2SO4, this step is expressed as with formula：H2S→S2O3 2-→S4O2 2-→H2SO4。
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Supporting equipment includes discarded Lead-In Area, prime pretreating zone, high efficient biological purifying area, purification gas discharge area, circulated sprinkling
System.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Discarded Lead-In Area includes a blower fan system, attracts discarded.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Prime pretreating zone is divided into 3 layers, and the superiors are demisting layer, and lower two layers is packing layer, has circulated sprinkling above every layer of packing layer
System.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
The packing layer of prime pretreating zone is filled with the inorganic filler that high efficient gas and liquid is in contact.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
High efficient biological purifying, which is distinguished, three layers of packed layer, has circulated sprinkling system at the top of packed layer.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
The packed layer in high efficient biological purifying area is superior microorganism organic filler, has the function that efficient-decomposition to ethyl mercaptan waste gas.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Purification gas discharge area and extraneous UNICOM discharge purification gas.
Further, the system and method for described a kind of superior microorganism processing ethyl mercaptan waste gas, it is characterised in that described
Circulated sprinkling system has dirt eliminating function, can be recycled by water pump with water.
Compared with prior art, the present invention has the advantages that：
A kind of system and method for superior microorganism processing ethyl mercaptan waste gas, based on a kind of micro- life of the advantage by acclimation and screening
Thing, ethyl mercaptan waste gas resolution ratio is improved, can be arrived after processing to the related discharge standard of country and place, greatly improve this waste gas
Treatment effeciency, and in processing equipment normal operation, required power consumption is low, is not required to special messenger and keeps an eye on, hence it is evident that better than on the market its
The method that he handles such a waste gas.
Brief description of the drawings
Fig. 1 is the system and method flow chart that a kind of superior microorganism handles ethyl mercaptan waste gas.
Fig. 2 is the system and method equipment profile that a kind of superior microorganism handles ethyl mercaptan waste gas.
Specific embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Fig. 1 is the system and method flow chart that a kind of superior microorganism handles ethyl mercaptan waste gas.A kind of advantage as shown in the figure
The system and method for microbiological treatment ethyl mercaptan waste gas includes waste gas Lead-In Area（1.1）, prime pretreating zone（1.2）, it is efficiently raw
Thing purifying area（1.3）, purification gas discharge area（1.4）, circulated sprinkling system（1.5）.
Fig. 2 is the system and method equipment profile that a kind of superior microorganism handles ethyl mercaptan waste gas.It is as shown in Fig. 2 useless
Gas Lead-In Area（1.1）Including exhaust gas entrance（2.1）And blower fan system（2.6）, waste gas passes through blower fan system blower fan system（2.6）'s
Attract from exhaust gas entrance（2.1）Into prime pretreating zone（1.2）.
Prime pretreating zone（1.2）Including spray column（2.2）With one layer of demisting layer of top（2.4）And lower two layers are filled out
The bed of material（2.3）, every layer of packing layer（2.3）On have circulated sprinkling system（1.5）.Packing layer（2.3）Inside be filled with efficient air liquid
The inorganic filler being in contact, it is responsible for the course of dissolution of waste gas.
Waste gas contacts with the moisture film of water or solid phase surface, the pollutant molecule or ion soluble in water turned into liquid phase, i.e.,
Waste gas is transferred to liquid phase by gas phase, and this process is physical process, it then follows Henry's law：Pi+=HXi
The equilibrium partial pressure of Pi in formula --- soluble gas in the gas phase, MPa
H --- Henry'S coefficient, MPa
The molar fraction of Xi --- soluble gas in the liquid phase.
Waste gas is after liquid phase dissolved, into high efficient biological purifying area（1.3）.High efficient biological purifying area（1.3）By casing
（2.7）And 3 layers of packing layer（2.9）Composition, packing layer（2.9）There is one layer of watering layer above（2.8）, layer of sprinkling water（2.8）For circulation
Spray system（1.5）.
Packing layer（2.9）Interior to be filled with superior microorganism organic filler, waste gas passes through packing layer（2.9）When, can be by advantage
Microorganism adsorption simultaneously decomposes.Exhaust gas constituents are adsorbed by superior microorganism, absorbed in the aqueous solution, and exhaust gas constituents are transferred to micro- from water
In organism.Water as absorbent is reproduced recovery, then again dissolving new exhaust gas constituents.Adsorbed organic matter warp
Bioconversion is crossed, i.e., by extracellular microbial exoenzyme to could be one after the other micro- after insoluble and colloidal organic matter dissolution
Biology intake is internal.Such as starch, protein larger molecular organicses is in microbial cell exoenzyme（Hydrolase）In the presence of, by water
Solve to be entered back into after small molecule in cell body.
Exhaust gas constituents into microbial cell are decomposed and utilized as the energy or nutrient of microbial life activity, from
And pollutant is set to remove.Specific conversion process is as follows.
Organic matter into microbial cell body, in various desmoenzymes（Such as dehydrogenase, oxidizing ferment）Catalysis make
Under, microorganism carries out oxidation Decomposition to it, while carries out anabolism and produce new microbial cell.A part of organic matter leads to
Peroxide decomposition is eventually converted into the stable inorganic substances such as H2O and CO2, and therefrom obtains synthesis neoblast material（Plasm）
Required energy.
In microbial body, first by the oxydasis in microbial body into aldehyde material and hydrogen sulfide, this is walked ethyl mercaptan
Rapid formula is expressed as：C2H6S+O2+H2O→CH3CHO+H2O2+H2S；Caused aldehyde material is in the presence of dehydrogenase, generation
Acetic acid and hydrogen ion, this step formula are expressed as：CH3CHO+H2O→CH3COOH+2[H]；Caused hydrogen peroxide is in catalase
In the presence of, water and oxygen are resolved into, this step formula is expressed as：2H2O2→2H2O+O2；Caused hydrogen sulfide is in sulfide
S is resolved into the presence of oxidation system2O3 2-, it is then converted to S4O2 2-, it is finally synthesizing H2SO4, this step is expressed as with formula：H2S
→S2O3 2-→S4O2 2-→H2SO4。
Waste gas passes through high efficient biological purifying area（1.3）It is changed into purification gas after decomposition, by purification gas discharge area（1.4）
Delivery pipe（2.0）It is discharged into the external world.
During caused water pass through water circulating pump（2.5）Circulated sprinkling system can be recycled into herein（1.5）.
The preferred embodiment of the present invention is the foregoing is only, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, every technical scheme for belonging to the principle of the invention belong to protection scope of the present invention.For those skilled in the art
Speech, some improvement carried out on the premise of or else departing from principle of the invention, these improvement also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
- A kind of 1. system and method for superior microorganism processing ethyl mercaptan waste gas, it is characterised in that including the use of biomembrane and Supporting equipment.
- A kind of 2. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 1, it is characterised in that The biomembrane is to pass through the superior microorganism tamed and screened, the poisonous stench such as ethyl mercaptan in energy efficient absorption waste gas decomposition Molecule；Its purification process can be expressed as：。
- A kind of 3. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 2, it is characterised in that Poisonous malodor molecule in the superior microorganism degraded waste gas can be divided into three phases：Gas-liquid diffusion phase, liquid spread admittedly Stage, biological oxidation stage.
- A kind of 4. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 3, it is characterised in that 6 state gas-liquid diffusion phase and contacted with the moisture film of water or solid phase surface for waste gas, liquid phase is transferred to by gas phase, this process follows Pi+=Hxi, Pi --- the equilibrium partial pressure of soluble gas in the gas phase, H --- Henry'S coefficient, Xi --- soluble gas exists in formula Molar fraction in liquid phase.
- A kind of 5. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 3, it is characterised in that The solid diffusion phase of the liquid is that poisonous odor pollutant is adsorbed by superior microorganism, absorbed in the aqueous solution, and poisonous odor pollutant is from water In be transferred in microbial body, adsorbed organic matter passes through bioconversion, i.e., by extracellular microbial exoenzyme to insoluble and glue It could one after the other be taken in vivo by microorganism after the dissolution of body shape organic matter, cell body is entered back into after being hydrolyzed to small molecule It is interior.
- A kind of 6. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 3, it is characterised in that The biological oxidation stage is the energy or nutrient into the poisonous odor pollutant of microbial cell as microbial life activity It is decomposed and utilizes, so that pollutant is removed, specific conversion process is as follows：Into organic in microbial cell body Thing, in various desmoenzymes（Such as dehydrogenase, oxidizing ferment）Catalytic action under, microorganism carries out oxidation Decomposition to it, simultaneously Carry out anabolism and produce new microbial cell；A part of organic matter is eventually converted into H2O and CO2 etc. surely by oxidation Decomposition Fixed inorganic substances, and therefrom obtain synthesis neoblast material（Plasm）Required energy；In microbial body, ethyl mercaptan First it is expressed as by the oxydasis in microbial body into aldehyde material and hydrogen sulfide, this step formula：C2H6S+O2+H2O→ CH3CHO+H2O2+H2S；Caused aldehyde material generates acetic acid and hydrogen ion, this step formula table in the presence of dehydrogenase Up to for：CH3CHO+H2O→CH3COOH+2[H]；Caused hydrogen peroxide resolves into water and oxygen in the presence of catalase, this Step formula is expressed as：2H2O2→2H2O+O2；Caused hydrogen sulfide resolves into the presence of sulfide-oxidation system S2O3 2-, it is then converted to S4O2 2-, it is finally synthesizing H2SO4, this step is expressed as with formula：H2S→S2O3 2-→S4O2 2-→H2SO4。
- A kind of 7. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 1, it is characterised in that The supporting equipment includes waste gas Lead-In Area, prime pretreating zone, high efficient biological purifying area, purification gas discharge area, circulation Spray system;The prime pretreating zone is divided into 3 layers, and the superiors are demisting layer, and lower two layers is packing layer, is had above every layer of packing layer Circulated sprinkling system, the packing layer of the prime pretreating zone are filled with the inorganic filler that high efficient gas and liquid is in contact;The high efficient biological purifying, which is distinguished, three layers of packed layer, has circulated sprinkling system at the top of packed layer;The circulated sprinkling system has dirt eliminating function, can be recycled by water pump with water.
- A kind of 8. system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 7, it is characterised in that The waste gas Lead-In Area includes a blower fan system, attracts waste gas.
- 9. a kind of system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 11, its feature exist In the packed layer in the high efficient biological purifying area is superior microorganism organic filler, has efficient-decomposition to ethyl mercaptan waste gas Effect.
- 10. a kind of system and method for superior microorganism processing ethyl mercaptan waste gas according to claim 7, its feature exist In the purification gas discharge area and extraneous UNICOM discharge purification gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325245.1A CN107789977A (en) | 2017-12-13 | 2017-12-13 | A kind of system and method for superior microorganism processing ethyl mercaptan waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325245.1A CN107789977A (en) | 2017-12-13 | 2017-12-13 | A kind of system and method for superior microorganism processing ethyl mercaptan waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107789977A true CN107789977A (en) | 2018-03-13 |
Family
ID=61536752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711325245.1A Pending CN107789977A (en) | 2017-12-13 | 2017-12-13 | A kind of system and method for superior microorganism processing ethyl mercaptan waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107789977A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6271020B1 (en) * | 1999-07-07 | 2001-08-07 | Alberta Research Council Inc. | Two-stage hybrid biofiltration |
| CN101234280A (en) * | 2007-11-07 | 2008-08-06 | 中山大学 | Absorption-biological treatment method for malodorous gas |
| CN101497869A (en) * | 2009-01-22 | 2009-08-05 | 河北科技大学 | Predominating Population for removing ethanethiol and introduction domestication method thereof |
| CN103667104A (en) * | 2013-10-09 | 2014-03-26 | 中国科学院广州地球化学研究所 | Bacillus having ethanethiol degradation ability and application thereof |
| CN103667119A (en) * | 2013-11-26 | 2014-03-26 | 浙江大学 | Stain for degrading ethanethiol, as well as culture method and application of strain |
| CN203764132U (en) * | 2014-03-12 | 2014-08-13 | 宜兴市通特环保设备有限公司 | Integrated biological deodorizing equipment |
| CN106731772A (en) * | 2016-12-28 | 2017-05-31 | 深圳易普乐环保科技有限公司 | A kind of superior microorganism treatment methyl mercaptan, the system and method for methyl sulfide waste gas |
-
2017
- 2017-12-13 CN CN201711325245.1A patent/CN107789977A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6271020B1 (en) * | 1999-07-07 | 2001-08-07 | Alberta Research Council Inc. | Two-stage hybrid biofiltration |
| CN101234280A (en) * | 2007-11-07 | 2008-08-06 | 中山大学 | Absorption-biological treatment method for malodorous gas |
| CN101497869A (en) * | 2009-01-22 | 2009-08-05 | 河北科技大学 | Predominating Population for removing ethanethiol and introduction domestication method thereof |
| CN103667104A (en) * | 2013-10-09 | 2014-03-26 | 中国科学院广州地球化学研究所 | Bacillus having ethanethiol degradation ability and application thereof |
| CN103667119A (en) * | 2013-11-26 | 2014-03-26 | 浙江大学 | Stain for degrading ethanethiol, as well as culture method and application of strain |
| CN203764132U (en) * | 2014-03-12 | 2014-08-13 | 宜兴市通特环保设备有限公司 | Integrated biological deodorizing equipment |
| CN106731772A (en) * | 2016-12-28 | 2017-05-31 | 深圳易普乐环保科技有限公司 | A kind of superior microorganism treatment methyl mercaptan, the system and method for methyl sulfide waste gas |
Non-Patent Citations (1)
| Title |
|---|
| 姜安玺等: "利用黄单胞菌 He4 和排硫杆菌Au16固定化生物滴滤技术去除乙硫醇臭气", 《高技术通讯》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102257666B (en) | Microbial electricity-generating method and microbial electric generator | |
| CN205042345U (en) | Waste gas treatment device | |
| CN204502790U (en) | For the rotary-type bioanalysis VOCs gas cleaning plant of packages printing industry | |
| JP4990255B2 (en) | Algae culture apparatus and algae culture method | |
| CN107349769A (en) | A kind of beer waste water foul smell puies forward mark processing system and technique | |
| CN106467352B (en) | Method for recycling and deodorizing odor resources for sludge biological drying technology | |
| CN104923068A (en) | Malodorous gas treatment method | |
| CN106731772A (en) | A kind of superior microorganism treatment methyl mercaptan, the system and method for methyl sulfide waste gas | |
| CN110605016B (en) | Method and system for treating waste gas containing ammonia and methane | |
| CN102029107B (en) | Method for processing leather-making malodorous gas by biological filter | |
| CN104326524A (en) | Method for photocatalytically degrading phenol | |
| CN103881949B (en) | The application of anaerobic spore-bearing bacilli HA and degraded oxynitride thereof | |
| CN107789977A (en) | A kind of system and method for superior microorganism processing ethyl mercaptan waste gas | |
| CN204816181U (en) | VOC processing system | |
| CN202654909U (en) | Waste gas treatment device | |
| CN103657397A (en) | Biological treatment method and device for waste gas produced by printing and dyeing wastewater | |
| CN110592148A (en) | Method for promoting protein-philic acetogenic bacteria to generate acetic acid | |
| CN203090754U (en) | Microorganism filtering and deodorizing device | |
| CN205461801U (en) | Organic waste gas processing system based on composite Biological catalytic technology | |
| CN206660917U (en) | A kind of biological treatment device for exhaust gas of ozone and electrochemically strengthening | |
| CN107998871A (en) | A kind of system and method for superior microorganism processing Bacitracin Zinc exhaust gas | |
| CN205627618U (en) | Use a tower three mould integrated processing system s of bamboo charcoal for packing | |
| CN211886237U (en) | High-efficient biological enzyme exhaust treatment device | |
| CN204865531U (en) | Biological activity charcoal deodorization tower | |
| CN104445849B (en) | A kind of combined pretreatment active sludge produces the method for short chain fatty acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180313 |