NTU researchers invent method to create raw chemicals from exhaust
NTU researchers invent method to create raw chemicals from exhaust
2024-12-19
In 2022, Taiwan emitted 286 million metric tons of greenhouse gases. Reducing emissions is therefore a new issue as the country aims to achieve carbon neutrality by 2050. With financial backing from the NSTC, a team of researchers at National Taiwan University have invented a new carbon capture technology that can isolate carbon dioxide from exhaust at a 90% efficacy rate, up from 60% originally. The CO2 can then be turned into raw chemicals.
Inside the transparent pipes in this machine, carbon dioxide is captured from combustion exhaust. Then using electrochemical methods, it is turned into raw chemicals. A research team at National Taiwan University developed this new carbon capture technology, which increases efficiency to 90% from 61.7% originally.
Kang Dun-yen
NTU chemical engineering professor
With traditional methods, you have to control the heating, cooling, and pressure. You need to input external power, which could generate excess emissions.
After capturing CO2 through a microporous membrane, the machine swaps modes. At first it could only handle 0.2kg per day, but now it’s up to 50kg.Although the scale is still small compared to the global competition that can handle millions of tons, the team is already discussing industry collaboration.
Chen Hao-ming
NTU chemistry professor
The products it produces can be adjusted in a variety of ways by controlling the kinds of catalysts and conditions used. Every manufacturer will have their own requirements, so we believe it’s necessary to design it to suit the needs of each factory.
The researchers are optimistic about expanding its scale for use in factories and power plants, where exhaust from boilers can be turned into something useful while also reducing emissions.
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台大團隊開發「新捕碳技術」 二氧化碳變化工原料
2024-12-19
2022年，台灣排放溫室氣體，多達286百萬公噸，面臨2050淨零碳排目標，減碳成為新課題。在國科會經費支持下，台大研究團隊開發出，新的碳捕捉技術，可以從廢氣中，把二氧化碳選擇出來，效率從傳統的六成，提升到九成，最後還能轉換成化工原料。
機台的透明管線裡，是將從工廠燃燒出的廢氣中，抓取二氧化碳出來，經過電化學，能變成有價值的化工原料。台大研究團隊發表最新碳捕捉技術，跟傳統效益只有61.7%相比，新的提升到9成。
[[台大化工系教授 康敦彥]]
"傳統的方法，在操作過程中，需要加熱冷卻跟加壓，那需要額外的能量來輸入，可能產生額外的碳排"
薄膜通透捕捉二氧化碳後，機台轉換，一開始每天只能處理0.2公斤，現在增加到50公斤。雖然跟國際上有兢爭力的百萬公噸相比，規模還小，但團隊目前已經跟產業界在談合作。
[[台大化學系教授 陳浩銘]]
"產生的產物可以藉由，觸媒跟條件的調控，來實現各種，各式各樣產物的調整。每家廠商會有自己的需求，所以我們認為，它需要針對，每一個特定廠商去設計，他所需要的系統"
團隊看好未來擴大機台規模，應用在製造業和發電廠，鍋爐產生的廢氣，能變成有用的東西，減少碳排。
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