Dugukolo minɛn dɔ min jɛnsɛnnen don kosɛbɛ, n’o ye α-nɛgɛ-(III) ɔkisihidrokisidi ye, o sɔrɔla ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka segin ka kɛ fɛn ye min bɛ se ka kɛ sababu ye ka gazi ɲuman foto dɔgɔya ka kɛ asidi foromiki ye.Kɔrɔsili: Karamɔgɔ Kazuhiko Maeda
CO2 fotota dɔgɔyali ka kɛ fɛnɲɛnamafagalanw ye minnu bɛ se ka taa ni u ye i n’a fɔ asidi foromiki (HCOOH) o ye fɛɛrɛ ɲuman ye walasa ka CO2 hakɛ jiginni kɛlɛ fiɲɛ kɔnɔ.Walisa ka dɛmɛ don o baara in na, Tokyo Institute of Technology ɲininikɛla dɔ ye nɛgɛso minɛn dɔ sugandi min bɛ sɔrɔ nɔgɔya la, k’a don alumini dɛmɛnan dɔ kan walasa ka fɛn dɔ labɛn min bɛ se ka CO2 sɛmɛntiya ka ɲɛ ka kɛ HCOOH ye, sugandili bɛ se ka kɛ 90% ɲɔgɔn ye!
Kuran mɔbiliw ye sugandi ye min bɛ mɔgɔ caman sama, wa a kunba dɔ ye ko u tɛ gazi bɔ.Nka, nafaba min bɛ mɔgɔ caman bolo, o ye u ka se ka taa yɔrɔ jan ani u ka chargement waati jan.O yɔrɔ de la, fɛnɲɛnamafagalan jilamaw i n’a fɔ gazi, nafa ka bon kosɛbɛ.U ka fanga caman sɔrɔli kɔrɔ ye ka taa yɔrɔ jan ani ka tulu don teliya la.
Ni aw b b gazi walima dizili la ka taa s n g s n g s r cogo wɛrɛ la, o b se ka gazi bɔlenw bɔ yen ka sɔrɔ ka fɛnɲɛnamafagalanw nafaw mara.Misali la, fɛnɲɛnamafagalan kɔnɔ, asidi foromiki bɛ se ka motɛri fanga di ka a sɔrɔ a bɛ ji ni gazi ɲuman bɔ.Nka, ni asidi foromiki bɛ bɔ ni fiɲɛ ka CO2 dɔgɔyali ye ka kɛ HCOOH ye, o tuma na, a bɔli jɛlen kelenpe ye ji ye.
Gazi ɲuman hakɛ min bɛ ka caya an ka fiɲɛ kɔnɔ ani u ka dɛmɛ min bɛ diɲɛ sumaya la, o ye kibaruyaw ye sisan.Ikomi ɲininikɛlaw tun bɛ ka gɛlɛya in furakɛcogo wɛrɛw kɔlɔsi, fura ɲuman dɔ bɔra kɛnɛ kan, n’o ye ka gazi ɲuman tɛmɛnen wuli fiɲɛ na ka kɛ kemikɛlifɛnw ye minnu fanga ka bon.
Fɛnɲɛnɛmaw dilanni i n’a fɔ asidi foromiki (HCOOH) ni CO2 fotota dɔgɔyali ye tile yeelen na, o ye mɔgɔw hakili sama kosɛbɛ kɔsa in na bawo nafa fila bɛ o kɛcogo in na : a bɛ dɔ bɔ CO2 bɔli tɛmɛnenw na, wa a bɛ dɛmɛ fana ka fanga dɔgɔya an bɛ min sɔrɔ sisan. dɛsɛ.I n’a fɔ idɔrɔzi tabaga ɲumanba min fanga ka bon, HCOOH bɛ se ka fanga di jeni fɛ k’a sɔrɔ a bɛ ji dɔrɔn bɔ i n’a fɔ a kɔfɛfɛn.
Walasa ka nin fura nafama in kɛ tiɲɛ ye, dɔnnikɛlaw ye fototalanw labɛn minnu bɛ gazi ɲuman dɔgɔya ni tile yeelen dɛmɛ ye.O fɛɛrɛ in bɛ kɛ ni fɛn ye min bɛ yeelen minɛ (o kɔrɔ ye ko yeelenbɔlan) ani fɛn min bɛ kɛ sababu ye ka ɛlektrɔni caman cili kɛ min ka kan ka kɛ walasa ka CO2 dɔgɔya ka kɛ HCOOH ye.Wa o cogo la, u y’a daminɛ ka fɛnɲɛnamafagalan bɛnnenw ni nafamaw ɲini!
Gazi ɲuman dɔgɔyali fototalisi fɛ ni kunnafonisɛbɛnw ye minnu bɛ kɛ ka caya.Credit: Professor Kazuhiko Maeda
K’a sababu kɛ u ka baarakɛcogo ɲuman n’u ka se ka segin ka kɛ fɛn wɛrɛw ye, katalisita gɛlɛnw jatera ka kɛ mɔgɔ ɲumanw ye o baara in na, wa sanw kɔnɔna na, kobalt, manganɛsi, nikɛri ani nɛgɛ-sɛnɛfɛnw (MOF) caman ka katalizi seko sɛgɛsɛgɛra, minnu cɛma, Nin laban in nafa dɔw bɛ nɛgɛ tɔw kan.Nka, nɛgɛ-minɛn fanba minnu fɔra fo ka na se bi ma, olu bɛ gazi monokisidi dɔrɔn de bɔ i n’a fɔ fɛnba min bɛ kɛ, a tɛ HCOOH ye.
Nka, o gɛlɛya in ɲɛnabɔra joona ɲininikɛlaw ka kulu dɔ fɛ Tokyo Institute of Technology (Tokyo Tech) la, n’o ɲɛmɔgɔya tun bɛ Karamɔgɔ Kazuhiko Maeda bolo.Kɔsa in na, sɛgɛsɛgɛli dɔ la min bɔra kemikɛli gafe kɔnɔ min tɔgɔ ye ko Angewandte Chemie, o jɛkulu ye nɛgɛ-sɔrɔ-minɛn dɔ jira min bɛ dɛmɛ ni alumina (Al2O3) ye ni α-nɛgɛ(III) ɔkisihidrokisidi (α-FeO ​​OH) ye geothite).The novel α-FeO ​​OH/Al2O3 catalyst exhibits excellent CO2 to HCOOH conversion performance and excellent recyclability.Ni ɲininkali kɛra u ka katalisita sugandili la, Karamɔgɔ Maeda y’a fɔ ko: “An b’a fɛ ka fɛn caman sɛgɛsɛgɛ i n’a fɔ katalisita CO2 yeelen dɔgɔyali siratigɛ la sɔngɔ man gɛlɛn o de y’a to an ye dugukolo minɛnw sugandi minnu jɛnsɛnnen don kosɛbɛ i n’a fɔ goɛti an ka kɔrɔbɔliw kama.”
O jɛkulu ye impregnation fɛɛrɛ nɔgɔman dɔ kɛ walasa k’u ka katalisita labɛn.O kɔfɛ, u ye Al2O3 fɛnw kɛ minnu bɛ dɛmɛ ni nɛgɛ ye walasa ka CO2 dɔgɔya fototalisi la so funteni na, ni yeelenbɔlan ye min sinsinnen bɛ rutɛniyɔmu (Ru) kan, ni ɛlektrɔni dilanbaga, ani yeelen yelen bɛ yen, n’a janya bɛ tɛmɛ nanomɛtiri 400 kan.
O jaabiw bɛ dusu don mɔgɔ kɔnɔ kosɛbɛ.U ka sigida sugandili kɛra fɛnba HCOOH la, o kɛra 80–90% ye ni sɔrɔ hakɛ ye 4,3% ye (o b’a jira ko sigida in ka baarakɛcogo ka ɲi).
Nin kalan in bɛ a suguya fɔlɔ jira nɛgɛ la, min bɛ se ka HCOOH lawuli ni a ni yeelenbɔlan nafama dɔ farala ɲɔgɔn kan.A bɛ kuma fana dɛmɛfɛn ɲuman nafa kan (Al2O3) ani a nɔ min bɛ fotokimiki dɔgɔyali wale la.
Nin ɲinini in hakilinaw bɛ se ka dɛmɛ ka fɛn kuraw labɛn minnu tɛ nɛgɛ ɲuman ye walasa ka gazi ɲuman dɔgɔya ka kɛ kemikɛli nafama wɛrɛw ye.”An ka ɲininiw y’a jira ko sira min bɛ taa fanga sɔrɔko jɛlen na, o tɛ gɛlɛya.Hali fɛnɲɛnɛma labɛnni fɛɛrɛ nɔgɔmanw bɛ se ka nɔba lase, wa a dɔnna kosɛbɛ ko fɛnɲɛnamafagalan minnu bɛ dugukolo kan, ni u dɛmɛna ni fɛnɲɛnamafagalanw ye i n’a fɔ alimini, olu bɛ se ka kɛ ni u ye i n’a fɔ fɛnɲɛnamafagalan sugandilen CO2 kama dɔgɔyali », o ye Karamɔgɔ Maeda ka kuma kuncɛ.
Sɛbɛnw: “Alpha-Iron (III) Oxyhydroxide min bɛ dɛmɛ ni alumina ye, o ye katalisita solide ye min bɛ se ka segin ka kɛ fɛn wɛrɛ ye walasa ka CO2 foto dɔgɔya yeelen yelen kɔnɔ” Daehyeon An fɛ, Dɔgɔtɔrɔ Shunta Nishioka fɛ, Dɔgɔtɔrɔ Shuhei Yasuda fɛ, Dɔgɔtɔrɔ Tomoki Kanazawa fɛ, Dɔgɔtɔrɔ Yoshinobu Kamakura fɛ, Karamɔgɔ fɛ .. Toshiyuki Yokoi fɛ, Karamɔgɔ Shunsuke Nozawa fɛ, Karamɔgɔ fɛ. Kazuhiko Maeda, Mɛkalo tile 12 san 2022, Angewandte Chimie.DOI: 10.1002 / anie.202204948
"O yɔrɔ de la, nafaba bɛ fɛnɲɛnamafagalan jilamaw la i n'a fɔ gazi. U fanga ka bon, o kɔrɔ ye ko u bɛ taa yɔrɔ jan ani ka tulu don teliya la."
Jateden dɔw bɛ cogo di?Asidi foromiki fanga hakɛ bɛ se ka suma ni gazi ye cogo di?Ni karɔbɔni atomu kelen dɔrɔn de bɛ kemikaliya formula la, ne bɛ sigasiga ko a yɛrɛ tun bɛna gɛrɛ gazi la.
Ka fara o kan, a kasa ye baga ye kosɛbɛ, wa, i n’a fɔ asidi, a bɛ sɔgɔ ka tɛmɛ gazi kan.Nin tɛ ɛntɛrinɛti gɛlɛyaw ye minnu tɛ se ka ɲɛnabɔ, nka fo ni asidi foromiki ye nafa caman lase a ma ka dɔ fara a ka yɔrɔ hakɛ kan ani ka batiri falen waati dɔgɔya, n’a sɔrɔla o tɛ nafa sɔrɔ o cɛsiri la.
N’u tun y’a laɲini ka goeti bɔ dugukolo la, o tun bɛna kɛ sɛnɛko ye min bɛ fanga caman ta, wa a bɛ se ka tiɲɛni kɛ sigida la.
U bɛ se ka goeti caman fɔ dugukolo kɔnɔ bawo n bɛ sigasiga ko a bɛna fanga caman de wajibiya walasa ka fɛnɲɛnamafagalanw sɔrɔ minnu ka kan ani k’u waleya walasa ka goti (goethite) dilan.
A ka kan ka taabolo in ɲɛnamaya taabolo bɛɛ lajɛ ani ka fɛn bɛɛ fanga musaka jate.NASA ma fɛn sɔrɔ min bɛ wele ko fu.Mɔgɔ wɛrɛw ka kan k’o to u hakili la.
SciTechDaily: So min ye tekinoloji kibaruyaw ɲumanw ye kabini san 1998.Aw ka to ka kunnafoni kuraw sɔrɔ tekinoloji kibaruyaw la imɛri walima sosiyete ka kunnafonidilanw fɛ.
Ni i ye miiri dɔrɔn BBQ sisi ni dɔlɔminnanw na, o bɛ se ka mɔgɔ fanba bila ka sɔgɔsɔgɔ.Samiya sera yan, wa mɔgɔ caman bolo...