Baktheria le CO2: Ho sebelisa matla a libaktheria tse jang khabone

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Baktheria le CO2: Ho sebelisa matla a libaktheria tse jang khabone

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Baktheria le CO2: Ho sebelisa matla a libaktheria tse jang khabone

Sengoloa sa sehloohoana
Bo-rasaense ba ntse ba hlahisa mekhoa e khothalletsang libaktheria ho monya khabone e ngata tikolohong.
    • Author:
    • Lebitso la sengoli
      Quantumrun Ponelopele
    • December 1, 2022

    Ngola mongolo

    Bokhoni ba algae ba ho monya khabone e ka ba se seng sa lisebelisoa tsa bohlokoa ho fokotsa phetoho ea maemo a leholimo. Ke khale bo-rasaense ba ithuta mokhoa ona oa tlhaho oa ho fokotsa ho ntšoa ha likhase tse futhumatsang lefatše le ho hlahisa mafura a tlhaho a baballang tikoloho.

    Boemo ba baktheria le CO2

    Ho na le mekhoa e mengata ea ho tlosa carbon dioxide (CO2) moeeng; leha ho le joalo, ho arola khabone ho likhase tse ling le lintho tse silafatsang ho bitsa chelete e ngata. Tharollo e tsitsitseng haholoanyane ke ho lema libaktheria, tse kang algae, tse hlahisang matla ka photosynthesis ka ho ja CO2, metsi le khanya ea letsatsi. Bo-rasaense ba ntse ba etsa liteko ka mekhoa ea ho fetola matla ana ho ba biofuel. 

    Ka 2007, CO2 Solutions ea Canada ea Quebec City e ile ea theha mofuta o entsoeng ka liphatsa tsa lefutso oa baktheria ea E. coli e hlahisang li-enzyme ho ja carbon le ho e fetola bicarbonate, e se nang kotsi. Sekoli ke karolo ea sistimi ea bioreactor e ka atolosoang ho ts'oara mesi e tsoang lifemeng tsa motlakase tse sebelisang libeso tsa khale.

    Ho tloha ka nako eo, theknoloji le lipatlisiso li tsoetse pele. Ka 2019, k'hamphani ea US Hypergiant Industries e thehile Eos Bioreactor. Sesebelisoa ke 3 x 3 x 7 maoto (90 x 90 x 210 cm) ka boholo. E reretsoe ho behoa libakeng tsa litoropo moo e nkang le ho nka carbon ho tsoa moeeng ha e ntse e hlahisa li-biofuel tse hloekileng tse ka fokotsang khabone ea mohaho. 

    Setsi se sebelisa maalgae, mofuta o tsejoang ka hore ke Chlorella Vulgaris, 'me ho boleloa hore e monya CO2 e ngata ho feta semela leha e le sefe. Algae e hola ka har'a tsamaiso ea methapo le letamo ka har'a sesebelisoa, e tletse moea 'me e pepesehetse leseli la maiketsetso, e fa semela seo e se hlokang ho hola le ho hlahisa biofuel bakeng sa ho bokelloa. Ho ea ka Hypergiant Industries, Eos Bioreactor e sebetsa ka makhetlo a 400 ho hapa carbon ho feta lifate. Karolo ena e bakoa ke software ea ho ithuta mochini e okametseng ts'ebetso ea ho hola algae, ho kenyelletsa ho laola khanya, mocheso, le maemo a pH bakeng sa tlhahiso e phahameng.

    Tšusumetso e senyang

    Lisebelisoa tsa indasteri, joalo ka acetone le isopropanol (IPA), li na le 'maraka oa lefats'e o fetang $10 bilione. Acetone le isopropanol ke sebolaya-mafu le sebolaya dikokwana-hloko se sebediswang haholo. Ke motheo oa e 'ngoe ea litlhare tse peli tse khothaletsoang tsa Mokhatlo oa Lefatše oa Bophelo (WHO), tse sebetsang hantle haholo khahlano le SARS-CoV-2. Acetone hape ke motsoako oa li-polymers tse ngata le likhoele tsa maiketsetso, resin ea polyester e tšesaane, lisebelisoa tsa ho hloekisa, le mochini o tlosang polisi oa manala. Ka lebaka la tlhahiso ea tsona e ngata, lik'hemik'hale tsena ke tse ling tsa lihlahisoa tse kholo ka ho fetisisa tsa carbon.

    Ka 2022, bafuputsi ba tsoang Univesithing ea Northwestern e Illinois ba ile ba sebelisana le feme e nchafatsang khabone ea Lanza Tech ho bona hore na libaktheria li ka senya litšila tsa CO2 joang ebe li e fetola lik'hemik'hale tsa bohlokoa tsa indasteri. Bafuputsi ba ile ba sebelisa lisebelisoa tsa maiketsetso tsa baeloji ho hlophisa baktheria hape, Clostridium autoethanogenum (eo qalong e neng e etselitsoe LanzaTech), ho etsa hore acetone le IPA li bolokehe haholoanyane ka ho belisoa ha khase.

    Theknoloji ena e tlosa likhase tse futhumatsang lefatše moeeng 'me ha e sebelise libeso tsa khale ho etsa lik'hemik'hale. Tlhahlobo ea bophelo ea sehlopha e bontšitse hore sethala sa carbon-negative, haeba se amoheloa ka tekanyo e kholo, se na le monyetla oa ho fokotsa mocheso oa likhase tse futhumatsang lefatše ka liphesente tse 160 ha li bapisoa le mekhoa e meng. Lihlopha tsa lipatlisiso li lebelletse hore mefuta e tsoetseng pele le mokhoa oa ho belisa o tla khona ho hola. Bo-rasaense ba ka boela ba sebelisa mokhoa ona ho etsa mekhoa e potlakileng ea ho etsa lik'hemik'hale tse ling tsa bohlokoa.

    Litlamorao tsa libaktheria le CO2

    Litlamorao tse pharalletseng tsa ho sebelisa libaktheria ho tšoara CO2 li ka kenyelletsa: 

    • Lik'hamphani tse liindastering tse boima tse fapaneng tse etsang kontraka ea bioscience ho algae ea bioengineer e ka ikhethelang ho sebelisa le ho fetola litšila tsa lik'hemik'hale le lisebelisoa tse tsoang lifemeng tsa tlhahiso, ka bobeli ho fokotsa tlhahiso ea CO2 / tšilafalo le ho theha litšila tse hlahisang phaello. 
    • Patlisiso e eketsehileng le lichelete bakeng sa litharollo tsa tlhaho tsa ho hapa likhase tsa khabone.
    • Lik'hamphani tse ling tsa tlhahiso li sebelisana le lifeme tsa theknoloji ea carbon-capture ho fetela ho theknoloji e tala le ho bokella litheolelo tsa lekhetho la carbon.
    • Mekhatlo e mengata ea ho qala le mekhatlo e tsepamisitseng maikutlo holim'a khabone ka ts'ebetso ea likokoana-hloko, ho kenyelletsa le manyolo a tšepe ea leoatleng le ho lema meru.
    • Tšebeliso ea mahlale a ho ithuta ka mochini ho tsamaisa kholo ea libaktheria le ho ntlafatsa tlhahiso.
    • Mebuso e sebelisanang le litsi tsa lipatlisiso ho fumana libaktheria tse ling tse nkang khabone ho phethahatsa boitlamo ba tsona ba zero ka 2050.

    Lipotso tseo u ka fanang ka maikutlo ho tsona

    • Melemo e meng e ka bang teng ea ho sebelisa litharollo tsa tlhaho ho sebetsana le khabone ke efe?
    • Naha ea heno e sebetsana joang le tlhahiso ea eona ea khabone?

    Litšupiso tsa temohisiso

    Lihokelo tse latelang tse tsebahalang le tsa mekhatlo li ile tsa hlalosoa bakeng sa temohisiso ena: