HRP20220113T1 - Postupak proizvodnje biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje bezopasnog otpada i postrojenje za izvođenje postupka - Google Patents

Postupak proizvodnje biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje bezopasnog otpada i postrojenje za izvođenje postupka Download PDF

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HRP20220113T1
HRP20220113T1 HRP20220113TT HRP20220113T HRP20220113T1 HR P20220113 T1 HRP20220113 T1 HR P20220113T1 HR P20220113T T HRP20220113T T HR P20220113TT HR P20220113 T HRP20220113 T HR P20220113T HR P20220113 T1 HRP20220113 T1 HR P20220113T1
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Croatia
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gas flow
adsorbents
filled
adsorber
cov
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HRP20220113TT
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English (en)
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Guénaël PRINCE
Mathieu LEFEBVRE
Pierre Briend
Nicolas PAGET
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Waga Energy
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    • 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
    • B01D53/22—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 diffusion
    • B01D53/228—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 diffusion characterised by specific membranes
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    • 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
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    • 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
    • B01D53/04—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 stationary adsorbents
    • B01D53/0462—Temperature swing adsorption
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    • 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
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    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
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    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0257—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of nitrogen
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/66—Separating acid gases, e.g. CO2, SO2, H2S or RSH
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/04—Compressor cooling arrangement, e.g. inter- or after-stage cooling or condensate removal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/30—Compression of the feed stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
    • F25J2260/02—Integration in an installation for exchanging heat, e.g. for waste heat recovery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
    • F25J2270/904—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by liquid or gaseous cryogen in an open loop
    • 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
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    • 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
    • Y02C20/20—Capture or disposal of greenhouse gases of methane
    • 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

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Claims (16)

1. Postupak proizvodnje plinovitog biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje neopasnog otpada (ISDND) prema kojem: - inicijalni protok plina se komprimira, - protok plina za pročišćavanje se uvodi u bar jedan adsorber ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati COV, - protok plina osiromašen sa COV na izlazu iz adsorbera ispunjenog adsorbentima koji su u stanju reverzibilno adsorbirati COV podvrgava se bar jednoj membranskoj separaciji uz primjenu od 1 do 4 nivoa membrane čijom se propustljivošću izdvaja više od 90% CO2 i bar 30% O2 iz protoka plina, - retentat nastao membranskom separacijom se uvodi u bar jedan adsorber pod promjenljivom temperaturom i pritiskom, ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2, - protok plina osiromašen sa CO2, na izlazu iz adsorbera ispunjenog adsorbentima koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2 podvrgava se kriogenoj separaciji, u destilacijskoj koloni radi izdvajanja O2 i N2 iz protoka plina, prema kojoj: ◦ protok plina osiromašen sa CO2hladi se razmjenom topline sa tekućim CH4izvučenim iz destilacijske kolone, ◦ tako ohlađen protok plina se zatim šalje u destilacijsku kolonu, ◦ tekućina bogata metanom se izvlači iz destilacijske kolone, ◦ vrši se isparavanje tekućine bogate metanom putem izmjenjivača topline sa protokom plina osiromašenim sa CO2koji potiče iz PTSA.
2. Postupak prema patentnom zahtjev u 1, naznačen time što se adsorber ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati COV regenerira pomoću permeata nastalog membranskom separacijom.
3. Postupak prema jednom od prethodnih patentnih zahtjeva, naznačen time što: - protok plina osiromašen sa COV koji izlazi iz adsorbera ispunjenog adsorbentima koji su u stanju reverzibilno adsorbirati COV podvrgava se prvoj membranskoj separaciji, - adsorber ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati COV regenerira se pomoću permeata nastalog iz navedene prve membranske separacije, - retentat nastao iz prve separacije podvrgava se drugoj membranskoj separaciji, - permeat nastao iz druge membranske separacije ponovo se uvodi prije kompresije.
4. Postupak prema jednom od prethodnih patentnih zahtjeva, naznačen time što se jedan ili više adsorbera, pod promjenljivom temperaturom ili pritiskom, ispunjeni adsorbentima koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2 regeneriraju pomoću isparjelog protoka plina bogatog sa CH4.
5. Postupak prema jednom od prethodnih patentnih zahtjeva, naznačen time što se adsorber, pod promjenljivom temperaturom i pritiskom, ispunjen adsorbentima, koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2, regenerira destilatom bogatim sa N2 nastalim iz kriogene separacije.
6. Postupak prema jednom od prethodnih patentnih zahtjeva, naznačen time što gornji dio destilacijske kolone ostaje hladan isparavanjem tekućeg dušika koji potječe iz vanjskog izvora.
7. Postupak prema patentnim zahtjevima 5 i 6, naznačen time što se destilat bogat sa N2, nastao iz kriogene separacije, miješa u koloni sa parom dušika koja služi za hlađenje gornjeg dijela kolone, zatim se adsorber ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2 regenerira pomoću navedene mješavine.
8. Postupak prema jednom od patentnih zahtjeva 1 do 7, naznačen time što protok plina, nastao regeneracijom adsorbera ispunjenog adsorbentima koji su u stanju reverzibilno adsorbirati COV, oksidira.
9. Postupak prema jednom od patentnih zahtjeva 1 do 8 naznačen time što destilat, bogat sa N2 nastao kriogenom destilacijom, oksidira.
10. Postupak prema patentnim zahtjevima 8 i 9, naznačen time što se 2 protoka plina miješaju prije oksidacije.
11. Postupak prema jednom od patentnih zahtjeva 1 do 10, naznačen time što se dobiva toplina generirana kompresijom inicijalnog protoka plina za predgrijavanje protoka plina koji služi za regeneraciju adsorbera ispunjenog adsorbentima koji su u stanju reverzibilno adsorbirati veći dio zaostalog CO2.
12. Postupak prema jednom od prethodnih patentnih zahtjeva, naznačen time što fazi kompresije prethodi faza odsumporavanja.
13. Postupak prema patentnom zahtjevu 12, naznačen time što fazi odsumporavanja prethodi sušenje protoka plina.
14. Postrojenje za proizvodnju biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje neopasnog otpada (ISDND) izvođenjem postupka prema jednom od prethodnih patentnih zahtjeva.
15. Postrojenje za proizvodnju biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje neopasnog otpada (ISDND) prema patentnom zahtjevu 14 koji obuhvaća uzastopno: - izvor bioplina (l) - kompresor (18) koji je u stanju komprimirati bioplin pod pritiskom od 8 do 24 bara, - 2 adsorbera (21, 22) ispunjena adsorbentima koji su u stanju reverzibilno adsorbirati COV, - 2 nivoa membrana za separaciju (38, 39) koji su u stanju djelomično izdvojiti CO2 i O2 iz protoka plina, - 2 adsorbera (43, 44) pod promjenljivom temperaturom i pritiskom ispunjena adsorbentima koji su u stanju reverzibilno adsorbirati veći dio CO2 zaostalog u protoku plina, - izmjenjivač topline (60) koji je u stanju ohladiti protok plina osiromašen sa CO2 i ispariti tekućinu (69) bogatu metanom, - destilacijsku kolonu (62).
16. Postupak ili postrojenje prema jednom od prethodnih patentnih zahtjeva, naznačen time to je adsorber, ispunjen adsorbentima koji su u stanju reverzibilno adsorbirati COV, adsorber pod promjenljivim pritiskom (PSA).
HRP20220113TT 2015-12-24 2016-11-10 Postupak proizvodnje biometana pročišćavanjem bioplina nastalog iz postrojenja za skladištenje bezopasnog otpada i postrojenje za izvođenje postupka HRP20220113T1 (hr)

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EP16809983.6A EP3393621B1 (fr) 2015-12-24 2016-11-10 Procédé de production de biométhane par épuration de biogaz issu d'installations de stockage de déchets non-dangereux et installation pour la mise en oeuvre du procédé
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