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| 題 名 | 生質炭應用於二氧化碳再利用實驗觀察=Experimental Study on Bio-Char Applying on the CO₂ Utilization Test Report |
|---|---|
| 作 者 | 陳威丞; 沈政憲; 謝子賢; | 書刊名 | 燃燒季刊 |
| 卷 期 | 33:2=125 2024.05[民113.05] |
| 頁 次 | 頁61-70 |
| 分類號 | 400.15 |
| 關鍵詞 | 生質炭; 二氧化碳再利用; 固定床; 一氧化碳; Bio-char; CO₂ utility; Fixed bed; Carbon monoxide; |
| 語 文 | 中文(Chinese) |
| DOI | 10.30041/CQ.202405_(125).0006 |
| 中文摘要 | 生質燃料(bio-fuel)為植物吸收二氧化碳成長而來,具有「碳中和」的特性,以生質物與二氧化碳直接於高溫反應,可以去化大量民生與工業製程捕捉下來的二氧化碳,並產出CO作為其他有機化學物質的合成生產原料,或為燃料供發電使用,可提高生產製程負碳排的效益。本研究於批次式固定床反應系統上進行生質炭(bio-char)與CO2轉化CO反應熱模測試,生質炭粒徑500μm以上,反應器填料300cm^3,床砂高度與反應器直徑比為3。當反應溫度控制為950℃,且CO2流速分別為1.7cm/s、2.4cm/s與3.4cm/s時,實驗結果顯示,反應排氣於CO2流速為2.4cm/s,轉化反應有較佳的CO濃度於CO/CO2濃度占比與CO2轉化率,分別為95.8%與91.9%。當CO2氣體流速設定為2.4cm/s時,調整反應溫度為550℃、650℃、750℃、850℃與950℃,反應排氣CO濃度於CO/CO2濃度占比與CO2轉化率隨著反應溫度增加而逐漸提升。當反應溫度為950℃時,CO濃度於CO/CO2濃度占比與CO2轉化率更可達95.8%與91.9%。因此,本研究驗證CO2與生質炭於950℃反應溫度,可產出CO濃度達95%以上。 |
| 英文摘要 | Bio-fuel is made from the plant adsorbing CO2, has "carbon neutrality" property. The reaction of bio-fuel and CO2 occupied from the civil and industrial source at high temperature produces CO being the material to high value organic compounds or used in fuel cell to generate electric power. This study arranged the hot mold conversion experiments of bio-char and CO2 on a batch system. In the hot mold experiments of bio- char and CO2 carried out on a batch fixed-bed system, the particle size of the bio-char was above 500μm, and material filled in reactor was 300cm3 as well as the ratio of material bed height to reactor diameter was 3. As the reaction temperature was 950℃, and the CO2 supply velocity were 1.7cm/s, 2.4cm/s and 3.4cm/s, respectively, the higher CO concentration and CO2 conversion rate were observed at 95.8% and 91.9% occurring at CO2 supply velocity of 2.4cm/s. When CO2 supply velocity were 2.4cm/s, and reaction temperature were 550℃, 650℃, 750℃, 850℃ and 950℃, respectively, the CO concentration and CO2 conversion rate were observed to be increased with the increase of reaction temperature. At the reaction temperature of 950℃, the CO concentration and CO2 conversion rate reached 95.8% and 91.9%. The study presented CO2 reduced by bio-char at 950℃ to produce CO with concentration more than 95%. |
本系統中英文摘要資訊取自各篇刊載內容。