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  Indian J Med Microbiol
 

Figure 1: Dimensions of the earth oven and measurement points of the carbonization temperature. The temperatures of the chimney outlet, upper layer, and bottom layer were approximately 150°C, 360°C, and 240°C–280°C, respectively. Hemicellulose, cellulose, and lignin in the wood can be pyrolyzed at 200°C–260°C, 260°C–310°C, and 310°C–450°C, respectively. In the early stages of carbonization, the smoke, such as gas and water vapor, was collected from the chimney outlet of the earth oven in the temperature range 80°C–162°C.

Figure 1: Dimensions of the earth oven and measurement points of the carbonization temperature. The temperatures of the chimney outlet, upper layer, and bottom layer were approximately 150°C, 360°C, and 240°C–280°C, respectively. Hemicellulose, cellulose, and lignin in the wood can be pyrolyzed at 200°C–260°C, 260°C–310°C, and 310°C–450°C, respectively. In the early stages of carbonization, the smoke, such as gas and water vapor, was collected from the chimney outlet of the earth oven in the temperature range 80°C–162°C.