TAILIEUCHUNG - Biofuel's Engineering Process Technology Part 16

Tham khảo tài liệu 'biofuel's engineering process technology part 16', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Energy Paths due to Blue Tower Process 591 Through the tests the syngas components and the equilibrium constants were obtained. For instance illustrates the gaseous yields on the pyrolysis at 550 C with variation of S C to and the reforming reaction at S C with variation of 800 to 950 C respectively. Here a steam carbon ratio is defined as the following equation. Added Steam mol s Moisture mol s SC mol - H2O mol - C1 -- -----7 - -- . 7 Carbon Content of Material mol s 5 Note that the gaseous components are modified at 20 moisture content. Also the approach temperature for each reaction is shown as Table 3. Reaction AT Unit Pyrolysis C Reforming C Table 3. Approach temperature for each reaction estimated a Pyrolysis 550 C S C b Reforming reaction 800-950 C S C Fig. 3. Gaseous yields of pyrolysis a and reforming reaction b . 592 Biofuel s Engineering Process Technology Based on the above experimental results we estimated the following material balance 31. 78H2O 6 X10 2 N2 X10-5 NH3 C2 686H0482O0343N0004 is the chemical component of char and its heating value was MJ kg. In our simulator the energy performance would be solved so that the input and the output on heat and materials would be balanced. Next using ball we measured the temperature profiles at the surface of ball and the center of it. In the phase of absorption of heat the ball was kept at each designed temperature between 200 and 950 C. At the time there was difference between the surface temperature and the center one and the temperature differences were measured. Inversely in the phase of heat radiation the ball was heated up to 1 000 C in the furnace and it was put in a room temperature. Simultaneously the temperature differences were measured. Note that these temperature profiles are time series data. As a result the thermal conductivities

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