EP2416869A1 - Verfahren und vorrichtung zur behandlung von rauchgasen - Google Patents
Verfahren und vorrichtung zur behandlung von rauchgasenInfo
- Publication number
- EP2416869A1 EP2416869A1 EP10714186A EP10714186A EP2416869A1 EP 2416869 A1 EP2416869 A1 EP 2416869A1 EP 10714186 A EP10714186 A EP 10714186A EP 10714186 A EP10714186 A EP 10714186A EP 2416869 A1 EP2416869 A1 EP 2416869A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas stream
- carbon dioxide
- flue gas
- carbon
- absorption column
- 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.)
- Withdrawn
Links
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
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
-
- 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
- B01D53/14—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 absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/80—Organic bases or salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Definitions
- the invention relates to a method for the treatment of a carbon dioxide-containing flue gas stream, wherein from the flue gas stream at least a portion of the carbon dioxide present is removed to form a low-carbon gas stream and a carbon dioxide-rich gas stream, and an apparatus for performing the method.
- Carbon dioxide-containing flue gas streams also accumulate in other large-scale combustion plants that are operated with fossil fuels. These include, for example, industrial furnaces, steam boilers and similar large-scale thermal plants for power and / or heat generation. It is conceivable that even in such systems, the carbon dioxide is separated from the flue gas streams by means of a laundry and a recovery or storage (eg by compression in the ground) is supplied.
- PCC Post Combustion Carbon Capture Technology
- the pressure loss caused by the deposition must be controlled by a gas stream condenser, e.g. a flue gas blower, be overcome.
- a gas stream condenser e.g. a flue gas blower
- the PCC processes are distinguished by the fact that, before the absorption column, cooling is carried out by means of a water wash in order to be able to enter the absorption column at low temperature.
- a flue gas blower is already installed after the power plant boiler in conventional flue gas treatment in the flue gas flow, which overcomes the pressure loss via dust separation and flue gas desulfurization. For the additional pressure loss due to the laundry intended for CO2 capture, an additional blower must be installed.
- Object of the present invention is therefore to provide a method of the type mentioned above and an apparatus for performing the method so that can be overcome in an economical manner caused by the carbon dioxide removal pressure loss.
- circuit IV the circuit according to the invention.
- An obvious circuit variant is that the previously existing flue gas blower with a higher power (higher ⁇ P) is executed (circuit I). But this has the disadvantage that the following systems must be designed for a higher pressure (disadvantage with respect to investment costs) and the flue gas flow at this point also has the highest temperature and quantity (high proportion of water and CO2), resulting in a high demand of electrical energy (high operating costs).
- the arrangement of the flue gas fan before the flue gas cooling leads to higher operating costs due to the higher temperature and the higher water content.
- the arrangement of the flue gas fan after the flue gas cooling has the disadvantage that the flue gas cooling can not be integrated into the absorption column and also has higher operating costs.
- the present invention is intended for the treatment of flue gases from conventional incinerators.
- the carbon dioxide-containing flue gas stream is formed in a large combustion plant in which fossil fuels are burned with combustion air.
- This flue gas stream is preferably subjected to a wash in an absorption column with subsequent detergent regeneration for the separation of carbon dioxide from the flue gas stream.
- By expelling gaseous components in the detergent regeneration of the carbon dioxide-rich gas stream is advantageously formed, while the low-carbon gas stream is withdrawn from the absorption column.
- the carbon dioxide by means of a laundry with a physically and / or chemically acting detergent from the carbon dioxide-containing
- the detergent expediently contains as part of at least one amine.
- the washing is carried out at a slight negative pressure between -100 mbar and -10 mbar, preferably in the range from -40 to -80 mbar.
- the carbon dioxide removed from the flue gas stream can finally be fed to a use or storage, in particular a compression in the underground, while the low-carbon gas stream can be delivered to the atmosphere with a significantly reduced climate-damaging effect.
- the invention further relates to a device for treating a carbon dioxide-containing flue gas stream with a separator for separating the flue gas stream into a carbon dioxide-rich gas stream and a low-carbon gas stream, the separator having a discharge for the carbon dioxide-rich gas stream and a discharge for the low-carbon gas stream.
- the stated object is achieved in that the discharge for the low-carbon gas stream is connected to a downstream of the separator gas flow compression device.
- the separating device preferably has at least one absorption column. This is advantageously designed such that flue gas cooling and carbon dioxide washing are integrated.
- the gas stream compression device is connected downstream of a column system with separate columns for flue gas cooling and carbon dioxide scrubbing.
- the absorption column expediently has a diameter of at least 3 m, in particular 10 to 25 m, or an equivalent rectangular cross section.
- the invention offers a whole series of advantages:
- the invention makes it possible to lower the absorption column inlet temperature by means of cooling water below 40 ° C. in Central European latitudes (depending on the cooling water inlet temperature). As a result, CO 2 absorption improves markedly. It can also save energy.
- the invention is suitable for all conceivable large combustion systems in which carbon dioxide-containing gas flows incurred. These include, for example, power plants powered by fossil fuels, industrial furnaces, steam boilers and similar large-scale thermal plants for power and / or heat generation. With particular advantage, the invention can be used in large combustion plants, which are supplied with air as a fuel gas. In particular, the invention is suitable for coal-fired power plants in which the CO2 is washed out of the flue gas and compressed in the underground (“CCS - Carbon Capture and Storage").
- CCS - Carbon Capture and Storage the invention will be explained in more detail with reference to an embodiment schematically illustrated in the figure:
- the figure shows a block diagram of a flue gas cleaning with different circuit variants for the arrangement of gas flow compression.
- the flue gas flow of a combustion boiler, not shown, a large combustion plant, in particular a coal power plant is fed via line 1 a flue gas blower 2 and then a flue gas desulfurization system 3. With the flue gas fan 2 by the
- Flue gas desulfurization system 3 caused pressure drop overcome.
- the desulfurized flue gas is then subjected via line 4 to a pre-cooling by means of water washing in a direct contact cooler 5.
- the cooled flue gas is fed via line 6 to an absorption column 7, in which a large part of the carbon dioxide from the flue gas is washed out with a detergent containing an amine.
- the washed out carbon dioxide is fed to a stripper 8.
- a carbon dioxide-rich gas stream is withdrawn via line 9 and can be pressed for storage in the underground.
- the low carbon dioxide gas stream with greatly reduced climate-damaging effect is withdrawn via line 10 from the absorption column 7 and can be connected to the
- an additional flue gas blower In order to overcome the conditional by the absorption column 7 additional pressure loss, an additional flue gas blower must be installed.
- an additional flue gas fan 11 In the circuit I, an additional flue gas fan 11 is arranged immediately behind the already existing flue gas blower 2 or the existing flue gas blower 2 executed at a higher power.
- Circuit II provides that the additional flue gas fan 12 is arranged between the flue gas desulfurization system 3 and the direct contact cooler 5.
- the additional flue gas blower 13 between the direct contact cooler 5 and the CO2 absorber 7 is interposed.
- the circuits I to III have the significant disadvantage that the flue gas still contains the full amount of carbon dioxide.
- the invention provides according to circuit IV, that the additional flue gas blower 14 is turned on after the absorption column 7 in the low carbon dioxide flue gas stream in line 10. Since in this arrangement, a large part of the carbon dioxide already before the flue gas fan 14th is removed from the flue gas, the flue gas blower 14 can be acted upon with a minimum flue gas volume flow, whereby the fan power can be reduced. In addition, the fact that the flue gas is heated only after the absorption column 7 through the flue gas blower 14, has a positive effect on the CO 2 absorption. In particular, the energy requirement decreases considerably, as the following comparison of the different circuit variants shows:
- the electrical power also includes the pump power of the pre-cooling, which likewise varies with the position of the flue-gas blower.
- the cooling power that must be expended for the cooling of the flue gas decreases by about 8% in the circuit 4 according to the invention over the circuits 1-3, since the heat that enters the flue gas blower in the flue gas flow, does not need to be additionally cooled.
- the flue gas blower is arranged after the absorption column 7, it is also possible to integrate the pre-cooling 5 into the absorber column 7. This brings with it further advantages in terms of piping complexity, pressure loss, space requirements and investment costs.
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)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009017228A DE102009017228A1 (de) | 2009-04-09 | 2009-04-09 | Verfahren und Vorrichtung zur Behandlung von Rauchgasen |
PCT/EP2010/002200 WO2010115627A1 (de) | 2009-04-09 | 2010-04-08 | Verfahren und vorrichtung zur behandlung von rauchgasen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2416869A1 true EP2416869A1 (de) | 2012-02-15 |
Family
ID=42269746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10714186A Withdrawn EP2416869A1 (de) | 2009-04-09 | 2010-04-08 | Verfahren und vorrichtung zur behandlung von rauchgasen |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120090463A1 (de) |
EP (1) | EP2416869A1 (de) |
AU (1) | AU2010234332A1 (de) |
CA (1) | CA2754084A1 (de) |
DE (1) | DE102009017228A1 (de) |
WO (1) | WO2010115627A1 (de) |
ZA (1) | ZA201106208B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013008535A1 (de) | 2013-05-16 | 2014-11-20 | Linde Aktiengesellschaft | Anlage zur Verringerung eines Kohlendioxidgehalts eines kohlendioxidhaltigen und kohlenwasserstoffreichen Gasstroms und entsprechendes Verfahren |
EP2918215B1 (de) | 2014-03-14 | 2018-10-17 | Bonferraro S.p.A. | Geschirrspülmaschine mit Reinigungsmittelspender |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2379709A1 (en) * | 1999-07-19 | 2001-01-25 | Ebara Corporation | Acid gas scrubbing apparatus and method |
FR2825935B1 (fr) * | 2001-06-14 | 2003-08-22 | Inst Francais Du Petrole | Generateur de puissance a faibles rejets de co2 et procede associe |
DE10325111A1 (de) * | 2003-06-02 | 2005-01-05 | Alstom Technology Ltd | Verfahren zur Erzeugung von Energie in einer eine Gasturbine umfassende Energieerzeugungsanlage sowie Energieerzeugungsanlage zur Durchführung des Verfahrens |
WO2008017577A1 (de) * | 2006-08-07 | 2008-02-14 | Alstom Technology Ltd | Verfahren zur abtrennung von co2 aus einem gasstrom, co2-abtrennvorrichtung zur durchführung des verfahrens, dralldüse für eine co2-abtrennvorrichtung sowie anwendung der co2-abtrennvorrichtung |
JP5230088B2 (ja) * | 2006-09-06 | 2013-07-10 | 三菱重工業株式会社 | Co2回収装置及び方法 |
US7777088B2 (en) * | 2007-01-10 | 2010-08-17 | Pilot Energy Solutions, Llc | Carbon dioxide fractionalization process |
AU2008208882B2 (en) * | 2007-01-25 | 2011-04-14 | Shell Internationale Research Maatschappij B.V. | Process for reducing carbon dioxide emission in a power plant |
US20090155889A1 (en) * | 2007-12-13 | 2009-06-18 | Alstom Technology Ltd | System and method for regeneration of an absorbent solution |
-
2009
- 2009-04-09 DE DE102009017228A patent/DE102009017228A1/de not_active Withdrawn
-
2010
- 2010-04-08 CA CA2754084A patent/CA2754084A1/en not_active Abandoned
- 2010-04-08 AU AU2010234332A patent/AU2010234332A1/en not_active Abandoned
- 2010-04-08 EP EP10714186A patent/EP2416869A1/de not_active Withdrawn
- 2010-04-08 US US13/263,538 patent/US20120090463A1/en not_active Abandoned
- 2010-04-08 WO PCT/EP2010/002200 patent/WO2010115627A1/de active Application Filing
-
2011
- 2011-08-23 ZA ZA2011/06208A patent/ZA201106208B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2010115627A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2754084A1 (en) | 2010-10-14 |
WO2010115627A1 (de) | 2010-10-14 |
AU2010234332A1 (en) | 2011-09-15 |
US20120090463A1 (en) | 2012-04-19 |
DE102009017228A1 (de) | 2010-10-14 |
ZA201106208B (en) | 2012-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20110929 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: STAMATOV, VESELIN Inventor name: STOFFREGEN, TORSTEN Inventor name: WALTER, THOMAS |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LINDE AG |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20130701 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20131112 |