Nhwehwɛmufo a wɔwɔ Chung-Ang Sukuupɔn a ɛwɔ South Korea no nyaa adwene sɛ wɔde mfiridwuma mu carbon dioxide ne dolomite, ɔbotan a ɛwɔ nsu mu a abu so na ɛtrɛw a calcium ne magnesium pii wom bedi dwuma de ayɛ nneɛma abien a wobetumi atɔn: calcium formate ne magnesium oxide.
Wɔ krataa bi a wotintimii wɔ Journal of Chemical Engineering mu mu no, nyansahufo no kyerɛkyerɛ mu sɛ wɔn mfiridwuma a wɔde kyere carbon na wɔde di dwuma (CCU) no gyina adeyɛ bi a ɛka carbon dioxide hydrogenation reactions ne cation exchange reactions bom de tew dade oxides ho bere koro mu na wɔyɛ formate a ne bo yɛ den na ne bo yɛ den so. adeyɛ.
Ne titiriw no, wɔde ade a ɛma nneɛma yɛ kɛse (Ru/bpyTN-30-CTF) dii dwuma de hydrogen kaa carbon dioxide ho, na ɛmaa wɔyɛɛ nneɛma abien a ɛsom bo. Wɔde calcium formate, semɛnte a wɔde ka ho, deicers ne mmoa aduan a wɔde ka ho nso na wɔde yɛ aboa nhoma. Nanso wɔde magnesium oxide de di dwuma kɛse wɔ adansi ne nnuruyɛ mu.
Nhwehwɛmufo atitiriw Seongho Yoo ne Chul-Jin Lee ka sɛ ɛnyɛ sɛ adeyɛ no betumi ayɛ yiye nko, na mmom ɛyɛ ntɛmntɛm yiye nso, na wɔyɛ ade no wɔ simma anum pɛ mu wɔ dan mu hyew mu. Bio nso, ne kuw no bu akontaa sɛ adeyɛ no betumi atew wiase nyinaa hyew a ebetumi aba so 20% sɛ wɔde toto atetesɛm akwan a wɔfa so yɛ calcium formate ho a.
Kuw no nso hwɛɛ sɛ ebia wɔn kwan no betumi asi akwan a wɔfa so yɛ nneɛma a ɛwɔ hɔ dedaw no ananmu denam nkɛntɛnso a ɛde ba nneɛma a atwa yɛn ho ahyia so ne sikasɛm mu mfaso a ɛwɔ so no a wɔbɛhwehwɛ mu no so.
Yun kae sɛ: “Yɛde nea afi mu aba no so aka sɛ yɛn kwan no yɛ ɔkwan foforo a ɛnyɛ nea ɛhaw nneɛma a atwa yɛn ho ahyia a ebetumi asi carbon dioxide a wɔdannan no ananmu a ebetumi asi akwan a wɔfa so yɛ adwuma a wɔtaa fa so no ananmu na aboa ma mframa bɔne a wɔtow gu wɔ mfiridwuma mu no so atew.”
Nyansahufo no kae sɛ bere a ɛte sɛ nea mframa bɔne a wɔdannan no nneɛma a mfaso wɔ so no yɛ nea ɛhyɛ bɔ de, nanso ɛnyɛ bere nyinaa na ɛyɛ mmerɛw sɛ wɔbɛma saa nneɛma yi ayɛ kɛse. Wɔnnya nyɛɛ CCU mfiridwuma dodow no ara a wɔde di gua efisɛ wɔn sikasɛm mu mfaso sua sɛ wɔde toto aguadi nhyehyɛe atitiriw ho a.
"Ɛsɛ sɛ yɛde CCU nhyehyɛe no ne nwura a wɔsan de di dwuma no bom na ama ayɛ nea ɛfata wɔ nneɛma a atwa yɛn ho ahyia ne sikasɛm mu. Eyi betumi aboa ma yɛadu botae ahorow a ɛne sɛ wɔbɛma mframa bɔne biara a wɔtow gu no aba daakye," Lee kae.