Teknụzụ ọhụrụ dị ụtọ a na-eme ka ụtọ gbara ụka dịkwuo irè. googletag.cmd.push(function(){googletag.display('div-gpt-ad-1449240174198-2′);});
Ndị injinia na Mahadum Rice na-agbanwe carbon monoxide ozugbo ka ọ bụrụ acetic acid (kemịkalụ a na-ejikarị eme ihe nke na-eme ka mmanya vinega nwee uto siri ike) site na ihe na-eme ka ihe na-eme ka mmanya vinega na-aga n'ihu, nke nwere ike iji ọkụ eletrik emeghari emeputa ihe nke ọma.
Usoro electrochemical n'ime ụlọ nyocha nke ndị injinia kemịkalụ na biomolecular na Brown School of Engineering nke Mahadum Rice edozila nsogbu nke mgbalị ndị gara aga iji belata carbon monoxide (CO) ka ọ bụrụ acetic acid. Usoro ndị a chọrọ usoro ndị ọzọ iji mee ka ngwaahịa ahụ dị ọcha.
Ihe na-eme ka ihe na-arụ ọrụ nke ọma na gburugburu ebe obibi na-eji nanometer cubic copper dị ka ihe na-akpali akpali na electrolyte siri ike pụrụ iche.
N'ime awa 150 nke ọrụ ụlọ nyocha na-aga n'ihu, ọdịnaya acetic acid dị na mmiri mmiri nke akụrụngwa a mepụtara ruru 2%. Ịdị ọcha nke ihe mejupụtara acid ahụ dị elu ruo 98%, nke ka mma karịa ihe mejupụtara acid nke a na-emepụta site na mgbalị mbụ iji mee ka carbon monoxide ghọọ mmanụ mmiri mmiri.
A na-eji acetic acid eme ihe dị ka ihe nchekwa n'ọgwụ yana mmanya vinega na nri ndị ọzọ. A na-eji ya eme ihe dị ka ihe mgbaze maka ink, agba na ihe mkpuchi; na mmepụta nke vinyl acetate, vinyl acetate bụ ihe na-ebute gluu ọcha nkịtị.
Usoro osikapa a dabere na ihe na-eme ka ihe dị n'ime ụlọ nyocha Wang ma na-emepụta formic acid site na carbon dioxide (CO2). Nnyocha a tọrọ ntọala dị mkpa maka Wang (onye a họpụtara n'oge na-adịbeghị anya Packard Fellow), onye natara onyinye $2 nde National Science Foundation (NSF) iji nọgide na-enyocha ụzọ isi gbanwee gas griinhaus ka ọ bụrụ mmanụ mmiri mmiri.
Wang kwuru, sị: “Anyị na-eme ka ngwaahịa anyị ka mma site na ihe kemịkalụ nke otu-carbon formic acid gaa na ihe kemịkalụ nke abụọ-carbon, nke na-esiri ike karịa.” “Ndị mmadụ na-emepụta acetic acid n'ime electrolytes mmiri mmiri, mana ha ka na-arụ ọrụ nke ọma, ngwaahịa ndị a bụkwa nsogbu nke nkewa electrolyte.”
Senftle kwukwara, sị: “N'ezie, a naghị ejikarị CO ma ọ bụ CO2 emepụta acetic acid.” “Nke a bụ isi ihe dị na ya: anyị na-amịkọrọ gas mkpofu anyị chọrọ ibelata ma na-eme ka ọ bụrụ ngwaahịa bara uru.”
E ji nlezianya jikọta ihe na-akpali copper catalyst na solid electrolyte, e wee bufee electrolyte siri ike site na formic acid reactor. Wang kwuru, sị: “Mgbe ụfọdụ, copper ga-emepụta kemịkalụ n'ụzọ abụọ dị iche iche.” “Ọ nwere ike ibelata carbon monoxide ka ọ bụrụ acetic acid na mmanya. Anyị mepụtara kube nwere ihu nke nwere ike ijikwa njikọ carbon-carbon, na nsọtụ nke carbon-carbon Njikọ ahụ na-eduga na acetic acid kama ngwaahịa ndị ọzọ.”
Senftle na ndị otu ya mere ihe nlereanya kọmputa ha nyere aka mee ka ọdịdị nke cube ahụ ka mma. O kwuru, sị: “Anyị nwere ike igosi ụdị akụkụ dị na cube ahụ, nke bụ isi ihe ndị e ji kọbọd mee. Ha na-enyere aka imebi ụfọdụ igodo CO, ka e wee nwee ike iji ngwaahịa ahụ mee ihe n'otu ụzọ ma ọ bụ ọzọ.” Ebe ndị ọzọ dị n'akụkụ na-enyere aka imebi njikọ kwesịrị ekwesị n'oge kwesịrị ekwesị.”
Senftler kwuru na ọrụ a bụ ezigbo ihe ngosi nke otu esi ejikọta ozizi na nnwale. O kwuru, sị: “Site na njikọta nke ihe ndị dị na reactor ruo na usoro ọkwa atọm, nke a bụ ezigbo ihe atụ nke ọtụtụ ọkwa injinia.” “Ọ dabara na isiokwu nke nanotechnology molekul ma na-egosi otu anyị ga-esi gbasaa ya na ngwaọrụ ụwa n'ezie.”
Wang kwuru na nzọụkwụ ọzọ n'ime mmepe nke sistemụ a na-agbanwe agbanwe bụ ime ka sistemụ ahụ kwụsie ike ma belata ike achọrọ maka usoro ahụ.
Ụmụ akwụkwọ gụsịrị akwụkwọ na Mahadum Rice bụ Zhu Peng, Liu Chunyan na Xia Chuan, J. Evans Attwell-Welch, onye nyocha postdoctoral, bụ onye isi na-ahụ maka akwụkwọ akụkọ ahụ.
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