The process of conversion of bigger compounds of biomass to smaller compounds is:
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Answer:
The process of conversion of bigger compounds of biomass to smaller compounds is:
Decomposition....
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Answer:
Biochemical Conversion
In biochemical conversion, biomass molecules are broken down into smaller molecules by bacteria or enzymes. This process is much slower than thermochemical conversion, but does not require much external energy. The three principal routes for biochemical conversion are:
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Digestion (anaerobic and aerobic)
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Fermentation
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Enzymatic or acid hydrolysis
The main products of anaerobic digestion are methane and carbon dioxide in addition to a solid residue. Bacteria access oxygen from the biomass itself instead of from ambient air.
Aerobic digestion, or composting, is also a biochemical breakdown of biomass, except that it takes place in the presence of oxygen. It uses different types of microorganisms that access oxygen from the air, producing carbon dioxide, heat, and a solid digestate.
In fermentation, part of the biomass is converted into sugars using acid or enzymes. The sugar is then converted into ethanol or other chemicals with the help of yeasts. The lignin is not converted and is left either for combustion or for thermochemical conversion into chemicals. Unlike in anaerobic digestion, the product of fermentation is liquid.
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