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The image illustrates the biofuel ethanol production process, starting with plants and trees absorbing energy (sunlight + carbon dioxide), followed by harvesting. The harvested material undergoes pre-processing. Cellulose is extracted, moved to the processing phase transforming it into sugars then microbes are added converting sugars into ethanol, which is then stored. The process releases carbon dioxide throughout several stages including harvesting, pre-processing, and the final ethanol production stages. The cycle iteratively emphasizes energy absorption and carbon dioxide emissions across various transformational stages from plants to ethanol.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram below shows how a biofuel called ethanol is manufactured. Overall, the process comprises three main stages, harvesting and pre-processing plants, chemically converting them into ethanol, and using ethanol as fuel for transportation, after that the cycle repeats.
In the beginning, plants and trees are grown by absorbing sunlight and carbon dioxide. After that, they are harvested and delivered to a pre-processing machine that breaks them down to extract cellulose. Second, the cellulose is then transported to a laboratory, where it undergoes chemical processing to be converted into sugars. Microbes are then added to the sugars which will produce ethanol.
In the final stage, ethanol will be used as fuel for transportation, such as cars, trucks, and airplanes. When ethanol is used, carbon dioxide will be released into the atmosphere and will be reabsorbed by plants and trees, maintaining the cycle.
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