WO2022096049A1 - Vorrichtung zur reinigung, verwendung und verfahren zur reinigung - Google Patents
Vorrichtung zur reinigung, verwendung und verfahren zur reinigung Download PDFInfo
- Publication number
- WO2022096049A1 WO2022096049A1 PCT/DE2021/000182 DE2021000182W WO2022096049A1 WO 2022096049 A1 WO2022096049 A1 WO 2022096049A1 DE 2021000182 W DE2021000182 W DE 2021000182W WO 2022096049 A1 WO2022096049 A1 WO 2022096049A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- volume flow
- main
- stage
- cleaning stage
- cleaning
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 34
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 239000010406 cathode material Substances 0.000 claims abstract description 7
- 239000003463 adsorbent Substances 0.000 claims description 24
- 238000000746 purification Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 39
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- -1 fibres Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002912 waste gas Substances 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
- B01D53/002—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 condensation
-
- 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
-
- 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
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
-
- 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
- B01D53/26—Drying gases or vapours
Definitions
- the invention relates to a device for cleaning according to the preamble of claim 1, a use of a device for cleaning according to the preamble of claim 10 and a method for cleaning according to the preamble of claim 11.
- the object of the present invention is to provide a device and a method for cleaning an exhaust gas from solvents, which enable a safe and flexible setting of limit values to be achieved for a solvent loading of starting gas streams.
- a device for cleaning an exhaust gas mixture volume flow in particular comprising solvents, in particular organic solvents, in particular NMP (N-methylpyrrolidone), for use in a continuous cyclic cleaning process, comprising a main cleaning stage and a fine cleaning stage, with a dividing agent after the main cleaning stage the exhaust gas mixture volume flow can be divided into a main volume flow, which is to be routed back before the main cleaning stage, in particular upstream of an upstream drying unit, in particular for coated cathode materials, and an auxiliary volume flow, which is to be routed through a fine cleaning stage,
- solvents in particular organic solvents, in particular NMP (N-methylpyrrolidone)
- NMP N-methylpyrrolidone
- the main purification stage comprises at least one condensate cleaner
- the fine purification stage comprises at least two adsorbent wheels, in particular two-stage adsorbent wheels, set up for the adsorption of solvent, in particular NMP, which are arranged in series connection one after the other, with an output stream from the fine purification stage via a recirculation line, in particular back before the main purification stage lead is
- the invention enables a high degree of purification of exhaust gas mixture volume flows and reliable solvent collection and solvent recovery, which enables limit values to be set in an environmentally friendly, energy-saving and operating cost-saving manner. Due to the easy-to-maintain, adaptable, modular and very compact design, additional adsorbent wheels, for example, can also be easily adapted, in series and/or in parallel, so that a system does not have to be completely rebuilt if an increased recovery rate for the solvent and/or or a limit value change should be made.
- the solvents in particular organic solvents, in particular NMP as a solvent in the battery cell production of lithium battery cells with a cathode double-layer coater, can be safely recovered by the invention after the drying process, in particular units for each manufacturing device can be configured separately and run separately.
- the recovery rate is significantly increased over the prior art.
- NMP N-methylpyrrolidone
- the device comprises one or more condensate cleaners, in the sense of condensation devices, comprising in particular a condenser with a downstream droplet separator, whereby the solvent from the exhaust gas flow can be condensed out and separated, whereby cleaning of the exhaust gas flow is achieved and the solvent is recovered.
- the device comprises adsorbent wheels, further in particular heat exchangers, solvent liquid buffer tank and control systems.
- limit values can be reached in a safe form, in particular an NMP limit value ⁇ 1 mg/m 3 (under standard conditions) can be achieved.
- the automatic recovery of solvent liquid, in particular NMP liquid can be realized and a stable solvent content, in particular solvent content of volatile organic solvents in recycled and spent exhaust gas.
- the invention makes it possible to determine real-time key process parameters and ensures the stability and safety of the system run.
- the invention offers an advantageous liquid-cooled condensate cleaning, in particular water, in particular a combination with other coolants, in particular cold water.
- Devices according to the invention can be set up separately for each cathode coating system to be cleaned and run independently. There is no risk of cross flows or flow interference in the adsorbent wheels, resulting in improved production stability in the products to be manufactured and operational flexibility. Furthermore, the line configuration can be simplified. An example is an advantageous waste gas flow rate of approximately 15,000-100,000 m 3 /h, in particular 50,000-100,000 m 3 /h, in particular 80,000 m 3 /h (at standard conditions). Due to the modular structure, multiples of an exemplary module unit of approximately 50,000 m 3 /h can advantageously be achieved, in particular 100,000 m 3 /h and more.
- adsorbent wheels are to be arranged in series and/or parallel in the fine cleaning stage, in particular can be switched on, in particular adapted to the concentration of the solvent. It is advantageous if the adsorbent wheels have a capacity of about 1500-8000 m 3 /h, in particular about 6000-8000 m 3 /h. In the case of the need for a fast shutdown with increasing air volume, an adsorption mean wheel is seen at 8,000 m3 /h to ensure that the guaranteed emission standards are met even with a fast shutdown.
- the adsorbent wheel in particular comprising zeolite, can be desorbed by means of a thermal cleaning flow of adsorbed solvent, in particular NMP, with the cleaning gas flow being able to be branched off from the secondary volume flow before passing through the adsorption wheel and after passing through the adsorbent wheel via a Return line can be traced back to the main cleaning stage.
- Gaseous pollutants especially those in low concentrations, can be cleaned by means of adsorption. Loaded adsorbents are then regenerated during desorption. Valuable substances such as solvents from the exhaust air can thus be recovered in a simple manner.
- an NMP content of ⁇ 1 mg/m 3 is achieved after the fine cleaning stage after a last adsorbent wheel, in particular the second adsorbent wheel.
- the main volume flow is approximately 90-95% of the exhaust gas mixture volume flow and the secondary volume flow is approximately 2.5%-10%, in particular 5-10% of the exhaust gas mixture volume flow.
- the exhaust gas mixture volume flow is thus divided into two parts after the condensation, for example: a main volume flow in the sense of a recovered flow and a side flow.
- a liquid-cooled condensate cleaner is provided in the main cleaning stage, in particular with water as the coolant, in particular also with a condensate tank for the solvents, in particular NMP.
- main cleaning stage is preceded by a drying unit, in particular for coated cathode materials, and the cleaned secondary volume flow is preceded by the drying unit, in particular by means of a return line.
- tion unit is due and / or thermal cleaning flow between drying unit and main cleaning stage.
- a volume equalization can be carried out with a fresh air supply means for the main volume flow according to the amount of the secondary volume flow drawn off.
- At least one air-to-air heat exchanger for heat recovery and/or for heat exchange between two gas flows is provided at the start and end of the main purification stage, in which the exhaust gas mixture volume flow and the returned main volume flow intersect, and/or a heat exchanger combination comprising at least two heat exchanger units which are each arranged in the exhaust gas mixture volume flow and in the returned main volume flow, connected by a heat-transporting water circuit, in particular with a control unit.
- the outlet temperatures of the flows can be regulated directly for heat recovery and/or for heat exchange between two gas flows.
- the outlet temperature of the main volume flow is primarily regulated, in particular 95°C, as this is decisive for the heat recovery. Due to the indirect heat recovery using the proposed heat exchanger combination, the device can be designed to be more compact and flexible.
- the object is also achieved by using a device according to one of Claims 1 to 9 for cleaning exhaust gas mixtures comprising solvents, in particular organic solvents, in particular NMP, which occur during battery cell production, in particular for lithium-ion batteries, in the sense of a layered material/ Cathode coating, particularly in a double layer cathode coater.
- solvents in particular organic solvents, in particular NMP, which occur during battery cell production, in particular for lithium-ion batteries, in the sense of a layered material/ Cathode coating, particularly in a double layer cathode coater.
- a method for cleaning exhaust gas using a device according to one of claims 1 to 9 for cleaning an exhaust gas mixture volume flow, in particular comprising solvents, in particular Special organic solvents, in particular NMP, for use in a continuous cyclic cleaning process comprising a main cleaning stage and a fine cleaning stage, with the exhaust gas mixture volume flow divided after the main cleaning stage with a dividing means into a main volume flow, which goes back before the main cleaning stage, in particular before an upstream drying unit, in particular for coated cathode materials, and a secondary volume flow, which is passed through a fine cleaning stage, the main cleaning stage comprising at least one condensate cleaner, the fine cleaning stage comprising at least two adsorbent wheels, through which an adsorption of solvent, in particular NMP, is carried out, which are arranged in series connection one after the other are, with an output stream from the fine purification stage being fed back to the main purification stage via a recirculation line.
- solvents in particular Special organic solvents, in particular NMP
- Fig. 1 shows an exemplary section of a device 1 according to the invention for cleaning an exhaust gas mixture volume flow 4, in particular comprising solvents, in particular organic solvents, in particular NMP (N-methylpyrrolidone), for use in a continuous cyclic cleaning process, comprising a main cleaning stage 5, which is shown by way of example in Fig.
- solvents in particular organic solvents, in particular NMP (N-methylpyrrolidone)
- main cleaning stage 5 which is shown by way of example in Fig.
- a fine cleaning stage 6 wherein after the main cleaning stage 5, the exhaust gas mixture volume flow 4 can be divided with a dividing means 3 into a main volume flow 7, which is to be conducted back in front of a drying unit 19, and a 8, which is to be conducted through a fine purification stage 6,
- the main purification stage 5 comprising at least one condensate cleaner 10
- the fine purification stage 6 comprising at least two adsorbent wheels 11, in particular two-stage adsorbent wheels, set up for the adsorption of solvent, in particular NMP, which are arranged in series 12 one after the other are, with an output stream 13 from the fine cleaning stage 6 being routed, for example via a return line 14 and/or by means of a thermal cleaning stream 15 to be returned, before the main cleaning stage 5 or before the drying unit 19, with the adsorbent wheel 11 , in particular comprising zeolite, being thermal cleaning stream 15 of adsorbed solvent can be desorbed, in particular NMP, in particular the cleaning gas stream 15 can be branched off
- FIG. 2 shows part of a device according to the invention, in particular as a supplement to the part of the device shown in FIG with water as a coolant, in particular with a condensate tank 16 for the solvent, in particular NMP.
- two drying units 19 are connected upstream of the main cleaning stage 5 of a cathode coating system.
- the secondary volume flow 8 cleaned shown as an example in FIG.
- a two-stage condensation is shown as an example, after which the preconditioned exhaust gas is then cooled in a liquid-cooled condenser.
- This first condenser 18 is operated with chilled water, inlet temperature of the water is 30°C max.
- the temperature of the exhaust air after the first condenser 18 is about 45°C.
- This condenser is advantageously operated with chilled water inlet temperature 7°C max and could reduce the outlet temperature up to about 10-20°C.
- the NMP content is, for example, around 300 ppmv at 20°C or 200 ppmv at 10°C. After condensation, the NMP content is reduced from about 3,000 ppmv to about 300 ppmv or 200 ppmv.
- the volume of exhaust gas for example at a temperature of about 130° C., is led from an upper and a lower drying means 19 into an air/air heat exchanger 20 and heat is recovered by the returning air.
- the returning exhaust gas volume can then be heated up to >95° C. and then mixed with fresh air, for example fresh air supply 17, then it enters the desiccant again.
- the exhaust gas temperature after the heat exchanger 20 is about 60°C.
- the secondary volume flow 8 goes into the adsorption wheel means 11.
- each coating plant comprising a drying plant 19 is equipped with a plurality of adsorption wheel means 11 with a capacity of about 6,000 m 3 /h, so that there is no risk of cross-flow or interference between different, is each equipped with its own main and secondary cleaning plant with several Adsoptionsradstoff 11, whereby improved production stability and operating flexibility is ensured.
- Fig. 3 shows an advantageous embodiment of a device 1 for cleaning an exhaust gas mixture volume flow 4, with at least one air-air heat exchanger 20 being provided at the start and end of the main cleaning stage 3 for heat recovery and/or for heat exchange between two gas flows, in which the Exhaust mixture flow rate 4 and the returned main flow rate 7 intersect, and/or a heat exchanger combination 21, comprising at least two heat exchanger units 22, 23 which are each arranged in the exhaust gas mixture volume flow 4 and in the returned main volume flow 7, connected by a heat-transporting water circuit 24, in particular with a control unit.
- This heat recovery concept recovers energy from the exhaust gas flow.
- heat is transferred directly from one air flow to another air flow without mixing the flows.
- a hot exhaust gas mixture volume flow 4 cools down, for example from about 130°C to about 60°C, a cooler, recirculated main volume flow 7 is heated, for example from about 20°C to about 95°C.
- the entire process takes place, for example, in the air-to-air heat exchanger 20. With this device, the outlet temperatures of the streams cannot be influenced. Fluctuations at the inputs always affect the outputs.
- the exhaust gas mixture volume flow 4 runs into the heat exchanger 22 and is cooled, in particular from about 130°C to about 60°C. Cooling takes place via the water circuit 24.
- the main volume flow 7 runs into the heat exchanger 23 and is heated there, in particular from around 20.degree. C. to around 95.degree. The heating takes place via the water in the circuit 24 that has been heated in the heat exchanger 22. The warm water is cooled in the heat exchanger 22 and then goes back into the 23 for cooling and closes the water circuit.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112021005789.8T DE112021005789A5 (de) | 2020-11-04 | 2021-11-04 | Vorrichtung zur Reinigung, Verwendung und Verfahren zur Reinigung |
EP21827580.8A EP4240512A1 (de) | 2020-11-04 | 2021-11-04 | Vorrichtung zur reinigung, verwendung und verfahren zur reinigung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020006767.0 | 2020-11-04 | ||
DE102020006767.0A DE102020006767A1 (de) | 2020-11-04 | 2020-11-04 | Vorrichtung zur Reinigung, Verwendung und Verfahren zur Reinigung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022096049A1 true WO2022096049A1 (de) | 2022-05-12 |
Family
ID=78957867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2021/000182 WO2022096049A1 (de) | 2020-11-04 | 2021-11-04 | Vorrichtung zur reinigung, verwendung und verfahren zur reinigung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4240512A1 (de) |
DE (2) | DE102020006767A1 (de) |
WO (1) | WO2022096049A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115385400A (zh) * | 2022-10-27 | 2022-11-25 | 宜宾锂宝新材料有限公司 | 一种高镍低钴正极材料及其制备方法和锂离子电池 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105797420A (zh) * | 2016-03-23 | 2016-07-27 | 东莞塔菲尔新能源科技有限公司 | 一种nmp气体回收系统及其工艺 |
CN205774224U (zh) * | 2016-05-19 | 2016-12-07 | 张建岗 | 一种锂离子电池涂敷工序nmp回收精蒸提纯装置 |
CN206965440U (zh) * | 2017-07-10 | 2018-02-06 | 天津中福泰克化工科技有限公司 | 锂电池生产过程中nmp溶剂回收装置 |
-
2020
- 2020-11-04 DE DE102020006767.0A patent/DE102020006767A1/de not_active Withdrawn
-
2021
- 2021-11-04 DE DE112021005789.8T patent/DE112021005789A5/de active Pending
- 2021-11-04 EP EP21827580.8A patent/EP4240512A1/de active Pending
- 2021-11-04 WO PCT/DE2021/000182 patent/WO2022096049A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105797420A (zh) * | 2016-03-23 | 2016-07-27 | 东莞塔菲尔新能源科技有限公司 | 一种nmp气体回收系统及其工艺 |
CN205774224U (zh) * | 2016-05-19 | 2016-12-07 | 张建岗 | 一种锂离子电池涂敷工序nmp回收精蒸提纯装置 |
CN206965440U (zh) * | 2017-07-10 | 2018-02-06 | 天津中福泰克化工科技有限公司 | 锂电池生产过程中nmp溶剂回收装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115385400A (zh) * | 2022-10-27 | 2022-11-25 | 宜宾锂宝新材料有限公司 | 一种高镍低钴正极材料及其制备方法和锂离子电池 |
CN115385400B (zh) * | 2022-10-27 | 2023-02-03 | 宜宾锂宝新材料有限公司 | 一种高镍低钴正极材料及其制备方法和锂离子电池 |
Also Published As
Publication number | Publication date |
---|---|
EP4240512A1 (de) | 2023-09-13 |
DE102020006767A1 (de) | 2022-05-05 |
DE112021005789A5 (de) | 2024-02-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0944423B1 (de) | Verfahren sowie vorrichtungen zur reinigung und wiederverwendung von mit zusatzstoffen (z.b. lösungsmitteln) oder verunreinigungen versetzter abluft | |
DE102011087904A1 (de) | Membran-Befeuchtungsvorrichtung für eine Brennstoffzelle | |
DE10059910A1 (de) | Vorrichtung zur kontinuierlichen Befeuchtung und Entfeuchtung der Zuluft von Fertigungsprozessen und Raumlufttechnik-Anlagen | |
EP2024056B1 (de) | Trocknung von druckluft unter nutzung der verdichterwärme mit geschlossenem regenerationskreislauf | |
DE102007003144A1 (de) | Vorrichtung zur Aufbereitung von Reaktionsgasen in Brennstoffzellen | |
CH701299A2 (de) | System zur Kühlung und Entfeuchtung von Gasturbineneinlassluft. | |
DE10036443A1 (de) | Klimatisierungssystem für Flugzeuge | |
EP2092247A1 (de) | Konditioniervorrichtung für den zuluftstrom einer trocknungskabine einer lackieranlage und verfahren zur konditionierung des zuluftstroms | |
DE102009014743A1 (de) | Brennstoffzellensystem mit einer Niedertemperatur-Brennstoffzelle | |
EP4240512A1 (de) | Vorrichtung zur reinigung, verwendung und verfahren zur reinigung | |
DE102008029431A1 (de) | Vorrichtung zur Lösemittelrückgewinnung | |
DE10158804C1 (de) | Verfahren und Vorrichtung zur Reinigung von Faulgasen | |
DE3013820A1 (de) | Trockenverfahren mit rueckgewinnung der zur trocknung erforderlichen energie | |
EP2477725B1 (de) | Verfahren zum trocknen von erdgas durch gemeinsame kühlung von lösungsmittel und erdgas | |
DE3933731A1 (de) | Kondensations-waschverfahren, in welchem durch einbringung von kaelte loesungsmitteldaempfe aus abluft- bzw. aus abgasstroemen abgetrennt werden | |
DE102007058868A1 (de) | Verfahren zum Betreiben einer Brennstoffzelle sowie ein Brennstoffzellensystem mit mindestens einer Brennstoffzelle | |
DE10308585B4 (de) | Verfahren und Anlage zur gekoppelten Kraft-, Wärme- und/oder Kälteerzeugung aus schadstoffbeladenen Heißgasen mit integrierter Gasreinigung | |
WO2014177295A1 (de) | Abscheidevorrichtung für kohlendioxid aus einem gasstrom und verfahren zur abscheidung von kohlendioxid aus einem gasstrom | |
WO2005031144A1 (de) | Brennkraftmaschineneinheit mit befeuchtungseinrichtung | |
DE4413032C1 (de) | Sorptionsklimaanlage und Verfahren zum Betreiben einer solchen | |
EP2883672B1 (de) | Anlage und Verfahren zur Kunststoffbe- und/oder -verarbeitung | |
WO2023165649A1 (de) | Prozessluftbehandlungsanordnung und verfahren zum behandeln von prozessluft | |
DD161076A3 (de) | Verfahren zur regenerativen nutzung des waermeinhaltes armer loesungen | |
EP0354866A1 (de) | Verfahren und Vorrichtung zur Rückgewinnung von organischen Dämpfen aus Gasen | |
DE10338418A1 (de) | Verfahren und Anlage zur Abgasreinigung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21827580 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112021005789 Country of ref document: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021827580 Country of ref document: EP Effective date: 20230605 |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112021005789 Country of ref document: DE |