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工業技術研究院

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技術名稱: 整合蒸汽水合與多階旋風式捕獲二氧化碳系統技術

技術簡介

為提昇鈣迴路捕獲二氧化碳技術的效率及減少額外能源耗用,工研院開發整合蒸汽水合與多階旋風式捕獲二氧化碳系統技術。蒸汽水合程序可以將石灰轉化為氫氧化鈣,使其活性再生;多階旋風塔的立式結構,可以讓吸附劑粉體和煙氣充分接觸與餘熱利用。使捕獲系統的額外能源耗用小於20%,捕獲率可以高達90%以上,且設備成本低與佔地面積小,每噸二氧化碳捕獲成本可低於30美元。

Abstract

For reducing energy consumption and raising capture efficiency of calcium looping carbon capture technology, ITRI is working on the development of high-efficiency Calcium Looping Capture technology which combined steam hydration and cascade cyclones processes. Steam hydration process could convert calcium oxide to calcium hydroxide, and regenerate its activity, while cascade cyclones tower is a vertical structure which could facilitate fully mixture of sorbent with flue gas and reclaim waste heat. This advanced capture system could keep energy consumption to be less than 20% and capture efficiency to be over 90%, and capture cost per ton carbon dioxide to be less than US$30 because of lower equipment cost and smaller footprint.

技術規格

1.鈣/碳莫耳比<4 2.捕獲效率>90% 3.段燒效率>85%

Technical Specification

1.Ca/C mole ratio<4 2.capture efficiency>90% 3.calcination efficiency>85%

技術特色

1.蒸汽水合技術係將吸附劑進行改質,以減少多次數循環因局部高溫燒結與粉體堵塞造成吸附劑活性快速下降的現象,提升吸附劑的再生循環活性與壽命。 2.以多階旋風式分離器概念,設計二氧化碳捕獲系統,採立式結構使吸附劑粉體與煙氣充分接觸,提高熱效率及減少設備佔地面積。 3.整合蒸汽水合與多階旋風式捕獲二氧化碳系統,利用高效率的?燒、水合、碳酸化三階段循環程序,提升碳酸化轉化率,大幅減少粉體循環量與動能,以減少吸附劑使用量,降低額外能源耗用量,使每噸CO2捕獲成本降至30美元。 4.已完成20kWt整合蒸汽水合與多階旋風式捕獲二氧化碳系統之建置及技術驗證,正進行500kWt整合蒸汽水合與多階旋風式捕獲系統的設計、建置及技術驗證,以建立商品化放大技術。

應用範圍

發電、水泥、鋼鐵、石化業

接受技術者具備基礎建議(設備)

化工設備製造、機械設備製造、儀控機電製造

接受技術者具備基礎建議(專業)

化工、機械、環工、儀控、機電、工程設計

技術分類 02 C低碳淨煤研究

聯絡資訊

聯絡人:徐恆文 新能源應用技術組

電話:+886-6-3636656 或 Email:hsuhw@itri.org.tw

客服專線:+886-800-45-8899

傳真:none

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