1, Why moisture content is significantly important during densification? 2, How
ID: 701047 • Letter: 1
Question
1, Why moisture content is significantly important during densification?
2, How we characterize the properties of biomass?
3, How biodiesel was produced from oil chemically? Please briefly explain the differences between transesterification and esterification.
4, Please list the main challenges for bioethanol production.
5, Please briefly compare the influence of carbon dioxide, nitrogen dioxide and methane on global warming.
6, What are differences between gasification and combustion?
7, Why the condenser is required for biocrude oil production from pyrolysis but not for hydrothermal liquefaction?
8, Why use water as media for biomass liquefaction?
Explanation / Answer
Ans 1 :
Densification is the process to imprergnate the wood with additives under pressure and heat so that the wood of desired density and thickness can be obtained.
The moisure content and temperature plays an important role in this process. It effectively increases the quality of biomass pellet fuels.
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