CN109569192A - A kind of dry type desulfurizing denitration dust collecting integral equipment - Google Patents
A kind of dry type desulfurizing denitration dust collecting integral equipment Download PDFInfo
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- CN109569192A CN109569192A CN201910022712.6A CN201910022712A CN109569192A CN 109569192 A CN109569192 A CN 109569192A CN 201910022712 A CN201910022712 A CN 201910022712A CN 109569192 A CN109569192 A CN 109569192A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/08—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds according to the "moving bed" method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- 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
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of dry type desulfurizing denitration dust collecting integral equipment, including shell, the gas inlet of shell head end, the first cavity of enclosure interior, the second cavity and shell tail end moving bed adsorbent equipment；It is provided with first pressure meter at gas inlet, damper is provided between the first cavity head end and gas inlet, is placed with multiple except dustball in the first cavity, the bottom of chamber of the first cavity is additionally provided with dust fall valve, high-pressure pump and second pressure meter；The head end of second cavity is provided with spare solenoid valve, solenoid valve is provided between the tail end of second cavity and the first cavity, the water conservancy diversion grid being connected to moving bed adsorbent equipment is additionally provided at the top of the tail end of second cavity, flue gas is discharged after moving bed adsorbent equipment carries out adsorption treatment；Dry type desulfurizing denitration dust collecting integral equipment provided by the invention has the advantages that structure is simple and convenient to operate, gas cleaning is high-efficient, reduces environmental pollution, reduces labor intensity and saves environmental protection cost.
Description
Technical field
The present invention relates to flue gas pollutant processing technology fields, more particularly to a kind of dry type desulfurizing denitration dust collecting integral
Equipment.
Background technique
SO2, the pollutants such as NOx, PM2.5 cause acid rain and photochemical fog, haze etc. to pollute, therefore countries in the world all ten
Divide the control for paying attention to coal contaminants.Discharge standard is increasingly stringent, proposes higher want to the technique of flue gas pollutant processing
It asks, and all there is the problems such as bulky, operating cost is high, emerging combined desulfurization in existing ESP, SCR, WFGD train
Denitration dust collecting technology then has that equipment is simple, compact-sized, space occupied is small, energy consumption is low, and water consumption is few, invests low advantage,
Therefore the technology has very big development potentiality in smoke gas treatment field.
In existing desulphurization denitration dedusting technology, for bag filter with the increase for using the time, concentrated wear is serious
Cause service life to shorten, efficiency reduce the problem of；And it can caused aerosol, haze secondary pollution problem in wet desulphurization.
Thus, for above-mentioned technical problem of the existing technology, a kind of dry type desulfurizing denitration dust collecting integral is provided and is set
The technical issues of for being those skilled in the art's urgent need to resolve.
Summary of the invention
The object of the present invention is to provide a kind of dry type desulfurizing denitration dust collecting integral equipment, are deposited with solving the above-mentioned prior art
The problem of, have that structure is simple and convenient to operate, gas cleaning is high-efficient, is reduced environmental pollution, is reduced labor intensity and section
About environmental protection cost the advantages of.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of dry type desulfurizing denitration dust collecting integral equipment, including shell, is set to the shell head end
Gas inlet, be set to the enclosure interior the first cavity and the second cavity and the movement for being set to the shell tail end
Bed adsorbent equipment；First pressure meter is provided at the gas inlet, between the first cavity head end and the gas inlet
It is provided with damper, is placed with multiple except dustball in first cavity, the bottom of chamber of first cavity is by head end to tail end
It is disposed with the dust fall valve, high-pressure pump and second pressure meter being connected to inside cavity；The head end side wall of second cavity
It is provided with spare solenoid valve between the gas inlet, is provided between the tail end of second cavity and first cavity
Solenoid valve is additionally provided with the water conservancy diversion being connected to at the top of the moving bed adsorbent equipment at the top of the tail end side wall of second cavity
Grid, flue gas are discharged after the moving bed adsorbent equipment carries out adsorption treatment.
Preferably, first cavity is by head end caudad gradually acclivitous cylindrical cavity.
Preferably, described except dustball be inside is the honeycomb sphere frame that stainless steel wire is worked out, outside is coated with
Filter cloth.
Preferably, the filter cloth is made of natural fiber or chemical synthetic fiber or glass fibre or metallic fiber.
Preferably, second cavity is by head end caudad gradually acclivitous cylindrical cavity.
Preferably, the moving bed adsorbent equipment includes helical blade, porous screw rod and partition, and the porous screw rod is vertical
It is set to the enclosure interior of the moving bed adsorbent equipment, the helical blade is spirally distributed in the bar of the porous screw rod
On body, the partition is provided with muti-piece, and the partition is laterally arranged and is vertically sequentially distributed in the inside of the porous screw rod；Phase
It answers, the case top tail end of the moving bed adsorbent equipment is provided with adsorbent entrance, the shell of the moving bed adsorbent equipment
The bottom head end of body is provided with adsorbent outlet, and the bottom tail end of the shell of the moving bed adsorbent equipment is then provided with flue gas and goes out
Mouthful.
Preferably, the helical blade is wholely set with the porous screw rod.
Preferably, the adsorbent that the adsorbent entrance is passed through is active carbon.
The present invention achieves following advantageous effects compared with the existing technology:
1, dry type desulfurizing denitration dust collecting integral equipment provided by the invention is arranged in the first cavity that flue gas passes through and removes
Dustball, except dustball can constantly convert in the rolling with smoke contacts position, can by entire sphere sufficiently and smoke contacts, from
The problems such as fundamentally avoiding existing bag-type dust local stoppages serious wear.It constantly moves and touches by the dustball that removes of dust accumulation
It hits, can be shaked off with dust accumulation, avoid dust accumulation more and more, further increase dust removing effects.
2, dry type desulfurizing denitration dust collecting integral equipment provided by the invention is inhaled when flue gas enters moving bed by water conservancy diversion grid
Be divided into two parts after adsorption device, a part pushes adsorbent to move down along helical blade as motive power, and this process into
Row adsorption reaction, another part enter the inside of porous screw rod, under the blocking of partition, by being radially pierced by porous screw rod, again
Adsorption reaction is carried out with adsorbent, the exhaust gas volumn contacted with adsorbent can be reduced, prevent patch caused by due to exhaust gas volumn is excessive
The abnormal operating condition such as wall, cavity, and greatly improve gas cleaning efficiency.
3, dry type desulfurizing denitration dust collecting integral equipment provided by the invention, except dustball is easy to clean, when monitoring pressure
When the difference of meter is greater than a certain preset value, start backwashing function, dust can be quickly cleaned and be discharged from dust fall valve.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of dry type desulfurizing denitration dust collecting integral equipment in the present invention；
Fig. 2 is the structural schematic diagram of moving bed adsorbent equipment in the present invention；
Fig. 3 is partial enlarged view at the A of Fig. 1；
Fig. 4 is gas cleaning flow diagram in the present invention；
Fig. 5 is counter-flushing process schematic diagram in the present invention；
In figure: 1- gas inlet, 2- shell, the spare solenoid valve of 3-, the second cavity of 4-, 5- solenoid valve, 6- water conservancy diversion grid, 7-
Moving bed adsorbent equipment, 8- adsorbent entrance, 9- exhanst gas outlet, 10- adsorbent outlet, 11- first pressure meter, 12- first are removed
Dustball, 13- high-pressure pump, 14- second remove dustball, and 15- third removes dustball, 16- dust fall valve, the first cavity of 17-, 18- flue gear
Plate, 19- second pressure meter, the porous screw rod of 20-, 21- helical blade, 22- partition.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is of the existing technology to solve the object of the present invention is to provide a kind of dry type desulfurizing denitration dust collecting integral equipment
Problem.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present embodiment provides a kind of dry type desulfurizing denitration dust collecting integral equipment, as shown in Figure 1, including shell 2, being set to
The gas inlet 1 of 2 head end of shell, the first cavity 17 being set to inside shell 2 and the second cavity 4 and it is set to 2 tail of shell
The moving bed adsorbent equipment 7 at end；Be provided with first pressure meter 19 at gas inlet 1,17 head end of the first cavity and gas inlet 1 it
Between be provided with damper 18, be placed with multiple except dustball in the first cavity 17, the bottom of chamber of the first cavity 17 is by head end to tail end
It is disposed with the dust fall valve 16, high-pressure pump 13 and second pressure meter 11 being connected to inside cavity；The first end-side of second cavity 4
It is provided with spare solenoid valve 3 between wall and gas inlet 1, is provided with electromagnetism between the tail end of the second cavity 4 and the first cavity 17
Valve 5 is additionally provided with the water conservancy diversion grid 6 being connected to at the top of moving bed adsorbent equipment 7, cigarette at the top of the tail end side wall of second cavity 4
Gas is discharged after moving bed adsorbent equipment 7 carries out adsorption treatment.
In this specific embodiment, the first cavity 17 is by head end caudad gradually acclivitous cylindrical cavity the
There are three dustball is removed, respectively first removes dustball 12, second except dustball 14 and third remove dustball 15, dedusting for setting in one cavity 17
Ball is that inside is the honeycomb sphere frame that stainless steel wire is worked out, and outside is coated with filter cloth；Filter cloth is by natural fiber or change
It learns synthetic fibers or glass fibre or metallic fiber is made, except the size of dustball is then selected according to practical flue gas flow.
When flue gas passes through the first cavity 17, except dustball stops flue dust to pass through, flue dust is attached to dedusting ball surface, except dustball rises
To the effect of dedusting；In the present embodiment, except dustball is placed in columnar cavity, flue gas by when drive except dustball roll,
It can constantly convert except dustball and smoke contacts position, can fundamentally be avoided by entire sphere sufficiently and smoke contacts
The problems such as existing bag-type dust local stoppages serious wear.It constantly moves and collides by the dustball that removes of dust accumulation, can be trembled with dust accumulation
Fall, avoids dust accumulation more and more, further increase dust removing effects.
In this specific embodiment, the second cavity 4 is also for by head end caudad gradually acclivitous cylindrical cavity, and the
There is a shared partition between two cavitys 4 and the first cavity 17, spare solenoid valve 3 is set to the head end of this partition, control the
The on-off of two cavitys 4 and gas inlet 1, solenoid valve 5 are set to the tail end of this partition, control the first cavity 17 and the second cavity
4 on-off.
Moving bed adsorbent equipment 7 in the present embodiment, as shown in Figure 2 and Figure 3, moving bed adsorbent equipment 7 include helical blade
21, porous screw rod 20 and partition 22, porous screw rod 20 are vertically arranged to the enclosure interior of moving bed adsorbent equipment 7, helical blade
21 are spirally distributed on the body of rod of porous screw rod 20, and are wholely set with porous screw rod 20；Partition 22 is provided with muti-piece, every
Plate 22 is laterally arranged and is vertically sequentially distributed in the inside of porous screw rod 20；Correspondingly, the case top of moving bed adsorbent equipment 7
Tail end is provided with adsorbent entrance 8, and the bottom head end of the shell of moving bed adsorbent equipment 7 is provided with adsorbent outlet 10, mobile
The bottom tail end of the shell of bed adsorbent equipment 7 is then provided with exhanst gas outlet 9.
Fig. 4 show gas cleaning flowage structure schematic diagram of the invention, and flue gas enters the first cavity from gas inlet 1
17, dustball 12 is removed by first, second removes dustball 14, and third is dusted except dustball 15, by solenoid valve 5, into the second chamber
Body 4 passes through water conservancy diversion grid 6 and enters moving bed adsorbent equipment 7；Divide after flue gas enters moving bed adsorbent equipment 7 by water conservancy diversion grid 6
For two parts, a part pushes adsorbent to move down along helical blade 21 as motive power, and adsorb instead in this process
Answer, another part enter porous screw rod 20 inside, under the blocking of partition 22, by being radially pierced by porous screw rod 20, again with
Adsorbent carries out adsorption reaction, and the flue gas after adsorption treatment is discharged by exhanst gas outlet 9.
Fig. 5 is counter-flushing process structural schematic diagram in the present invention, and the starting of backwash movement is mainly by first pressure meter 19
With the control of second pressure meter 11, a certain preset when the difference for monitoring first pressure meter 19 and second pressure meter 11 is greater than
When value, starting backwash.Spare solenoid valve 3, dust fall valve 16 are opened, damper, solenoid valve 5 are closed, starts high-pressure pump 13,
Except the minimum point that dustball falls back to the first cavity 17 is backwashed, cleaning dust is exported in dust fall valve 16.
In the present invention is except the working mechanism of dustball: ash-laden gas is filtered by filtering material, grit, is filtered
Material capture coarse dust is acted on mainly by inertial collision, and trapping grain dust is mainly by diffusion and sieving actoion, the powder of filtrate
Knoisphere also has certain filtration.
The working principle of moving bed adsorbent equipment in the present invention is: using screw rod transmission adsorbent, helical blade 21 makes
Linear motion becomes screw, and adsorbent is rotated along helical blade 21, increases the adsorbent residence time；There are many adsorbents,
Preferably active carbon, because active carbon has very big specific surface area and very flourishing pore structure, so that active carbon has
There is superpower adsorption capacity, along with activated carbon surface contains polynary oxygen-containing functional group, so, active carbon is not only excellent
Adsorbent and catalyst and catalyst carrier.In the adsorption process of active carbon, mainly pass through physical absorption and part chemistry
The effect of desulphurization denitration is realized in reaction.It should be noted that adsorbent, which is selected as active carbon only, preferably to be implemented in the present invention
Scheme, in actual operation, adsorbent are also an option that the adsorbent materials such as molecular sieve, calcium-based desulfurizing agent.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (8)
1. a kind of dry type desulfurizing denitration dust collecting integral equipment, it is characterised in that: including shell, be set to the shell head end
Gas inlet, the first cavity for being set to the enclosure interior and the second cavity and the moving bed for being set to the shell tail end
Adsorbent equipment；It is provided with first pressure meter at the gas inlet, is set between the first cavity head end and the gas inlet
Be equipped with damper, be placed in first cavity it is multiple except dustball, the bottom of chamber of first cavity by head end to tail end according to
It is secondary to be provided with the dust fall valve, high-pressure pump and second pressure meter being connected to inside cavity；The head end side wall of second cavity with
It is provided with spare solenoid valve between the gas inlet, is provided with electricity between the tail end of second cavity and first cavity
Magnet valve is additionally provided with the water conservancy diversion lattice being connected to at the top of the moving bed adsorbent equipment at the top of the tail end side wall of second cavity
Grid, flue gas are discharged after the moving bed adsorbent equipment carries out adsorption treatment.
2. dry type desulfurizing denitration dust collecting integral equipment according to claim 1, it is characterised in that: first cavity is
By head end caudad gradually acclivitous cylindrical cavity.
3. dry type desulfurizing denitration dust collecting integral equipment according to claim 1, it is characterised in that: described except dustball is interior
Portion is the honeycomb sphere frame that stainless steel wire is worked out, and outside is coated with filter cloth.
4. dry type desulfurizing denitration dust collecting integral equipment according to claim 3, it is characterised in that: the filter cloth is by natural
Fiber or chemical synthetic fiber or glass fibre or metallic fiber are made.
5. dry type desulfurizing denitration dust collecting integral equipment according to claim 1, it is characterised in that: second cavity is
By head end caudad gradually acclivitous cylindrical cavity.
6. dry type desulfurizing denitration dust collecting integral equipment according to claim 1, it is characterised in that: the moving bed absorption
Device includes helical blade, porous screw rod and partition, and the porous screw rod is vertically arranged to the shell of the moving bed adsorbent equipment
Internal portion, the helical blade are spirally distributed on the body of rod of the porous screw rod, and the partition is provided with muti-piece, described
Partition is laterally arranged and is vertically sequentially distributed in the inside of the porous screw rod；Correspondingly, the shell of the moving bed adsorbent equipment
Tail end is provided with adsorbent entrance at the top of body, and the bottom head end of the shell of the moving bed adsorbent equipment is provided with adsorbent and goes out
Mouthful, the bottom tail end of the shell of the moving bed adsorbent equipment is then provided with exhanst gas outlet.
7. dry type desulfurizing denitration dust collecting integral equipment according to claim 6, it is characterised in that: the helical blade with
The porous screw rod is wholely set.
8. dry type desulfurizing denitration dust collecting integral equipment according to claim 6, it is characterised in that: the adsorbent entrance
The adsorbent being passed through is active carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022712.6A CN109569192A (en) | 2019-01-10 | 2019-01-10 | A kind of dry type desulfurizing denitration dust collecting integral equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022712.6A CN109569192A (en) | 2019-01-10 | 2019-01-10 | A kind of dry type desulfurizing denitration dust collecting integral equipment |
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| CN109569192A true CN109569192A (en) | 2019-04-05 |
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ID=65916122
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| CN201910022712.6A Pending CN109569192A (en) | 2019-01-10 | 2019-01-10 | A kind of dry type desulfurizing denitration dust collecting integral equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545004A (en) * | 2020-05-21 | 2020-08-18 | 黄勇驰 | Flue gas desulfurization, denitrification and dust removal device and use method thereof |
| EP4382191A1 (en) * | 2022-12-08 | 2024-06-12 | Spiritus Technologies, PBC | Gas adsorption tree |
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| CN108579335A (en) * | 2018-04-13 | 2018-09-28 | 燕山大学 | A kind of sectional type moving bed flue gas adsorption device |
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| CN104548809A (en) * | 2014-12-11 | 2015-04-29 | 南京工业大学 | Active coke desulfurization and denitration and membrane separation and dust removal integrated system and active coke desulfurization and denitration and membrane separation treatment method |
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| CN108579335A (en) * | 2018-04-13 | 2018-09-28 | 燕山大学 | A kind of sectional type moving bed flue gas adsorption device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545004A (en) * | 2020-05-21 | 2020-08-18 | 黄勇驰 | Flue gas desulfurization, denitrification and dust removal device and use method thereof |
| EP4382191A1 (en) * | 2022-12-08 | 2024-06-12 | Spiritus Technologies, PBC | Gas adsorption tree |
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