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EPA-99-1605-02-01

099

9,500 千元

2010/11/24

2011/12/23

張瑩璽

環檢所

劉廣尉

財團法人工業技術研究院

環境監測及檢測

生質物;生質廢棄物;焙燒;生質煤;先導設施;前處理

Biomass;Bio-waste;Torrefaction;Bio-coal;Pilot Plant;Pre-treatment

楊子岳

張瑩璽

03-5916286#

YH_Chang@itri.org.tw

本計畫目標係協助環保署環境檢驗所建置生質物焙燒處理技術先導設施，並評估擴大應用可行性。計畫內容是藉由蒐集先進國家焙燒技術與專利資訊分析、國內生質料源特性分析，設計並建置連續式先導焙燒反應器，及建立生質物焙燒之適當操作條件。此外，透過先導焙燒反應器測試結果，完成焙燒示範系統的規劃。 本計畫完成工作包括：(1)完成國外先進國家焙燒相關技術及專利地圖分析，顯示世界各國已有相關焙燒技術正開發中，而各國開發之焙燒反應器，多著重在旋轉窯式反應器及移動床式反應器；各國之專利則以廢氣控制、熱整合及提昇產品品質為技術發展重點。(2)完成3種實驗室小型批次式生質物(以生活垃圾、稻稈及柳杉木為進料)焙燒物性測試，顯示焙燒後生質物熱值皆有提升效果，分別提升73%、63%及55%(@350℃，90min)，其中以生活垃圾焙燒後產品熱值提升最高。(3)完成連續式先導旋轉窯式及移動床式焙燒反應器之概念設計，內容包括設備規格、尺寸、反應器型式與處理量等，經呈請委辦單位審查，決議以旋轉窯式反應器進行後續設計。(4)依據前述第3點決議，完成處理量45 kg/hr乾燥系統與處理量25 kg/hr連續式先導生質物焙燒先導設施細部設計、建置及生質物焙燒可行性驗證，並完成生質物焙燒測試評估與分析，以產製柳杉生質煤為例，生產生質煤約需4,193元/公噸燃料與動力費用，排放503 kgCO2/ton-生質煤，具2.88之能源產出投入比。(5) 完成處理量500 kg/hr以上焙燒示範系統規劃，建置成本估算總計約2,100萬元。(6)完成稻稈轉製生質燃料經濟評估，稻稈直接造粒及造粒後焙燒的平均生產成本，分別為4,516.6元/公噸及14,640元/公噸。

生質物;生質廢棄物;焙燒;生質煤;先導設施;前處理

EPA-99-1605-02-01.pdf

20MB

2012/2/1 上午 12:00:00

The main objective of this project is to assist EPA to set up a pilot facility about the biomass torrefaction process and to evaluate its feasibility for expanding its applied field. This project is primarily aimed to design a practical pilot-scale continuous torrefaction reactor and to set up suitable operating parameters by collection of torrefaction technology and patent analysis in advanced countries and characteristics of domestic raw material source in Taiwan. Furthermore, based on the testing results of the pilot-scale torrefaction reactor, the plan for the demonstration system has been also completed. In this final report, six completed works were described as following: (1) the torrefaction technology and patent map analysis in advanced countries were completed. The analysis showed that torrefaction technologies have been developing in many countries. These designs of the torrefaction reactor are mainly focused on the rotary-kiln reactor and moving-bed reactor. The patents emphasize on exhaust emission control, heat integration, and product quality improvement. (2) Torrefying three batch reactor biomass (municipal solid waste, rice straw, and wood ) and measuring their properties testing were achieved. The testing results showed that the heating values for three kinds of biomass, torrefied at 350℃ for 90 min, increased by 73%、63%、55%, respectively. Among these three biomasses, MSW exhibited the largest increase in the heating value. (3) Completed two conceptual designs of continuous pilot reactors such as rotary-kiln type and moving-bed type reactor, the features of these designs involve specifications of equipment, size, reactor type, capacity of the reactor, and so on. After authorized by the EAL (Environmental Analysis Laboratory) of EPA, the rotary-kiln type was chosen as the torrefaction reactor for further detailed design. (4) According to the previous point 3, the treating capacities of the dryer reactor and the pilot-scale torrefaction reactor were designed and constructed to be 45 kg/hr and 25kg/hr, respectively. The torrefaction tests and evaluation for this system were implemented. In the case of producing the biocoal from crushed wood, the power consumption cost is about NTD 4,193 /ton and the amount of CO2 emission is about 503 kg/ton-biocoal in the producing process. Therefore, the ratio of energy output to input is 2.88. (5)Proposed a conceptual plan of a demonstration torrefaction system with treating capacity of 500 kg/hr is completed and the setup cost of this system is estimated about 21 million NTD. (6) Economic analysis for using rice straw converted to biofuel were completed. The average of operating cost for the rice pelletizing process and torrefaction after pelletizing process were NTD 4,516.6/ton and NTD 14,640/ton, respectively.

Biomass;Bio-waste;Torrefaction;Bio-coal;Pilot Plant;Pre-treatment