Mass Balance of Biomass Question

Since the first step is only able to produce 0.1 g glucose per g of biomass, the total amount of glucose produced per tonne of biomass is 100 g. From there, the next step is to produce hydrogen, but the maximum volume that can be produced is dependent on several factors such as the efficiency of the process and the energy density of the fuel. Without further information, it is not possible to calculate the absolute maximum volume of hydrogen that can be produced per tonne of biomass. In summary, the first step in converting biomass waste materials to fuel is to produce glucose, with 0.1 g glucose being produced per g of biomass. From there, the next step is to produce hydrogen, but the maximum volume that can
  • #1
tesla93
23
0
The Problem:

Bio fuels are receiving more and more attention. For biomass waste materials
(cellulose, manure etc.), the first step in the process is typically to convert the
biomass to sugar (glucose, C6H12O6). This first step is only able to produce 0.1 g
glucose per g of biomass. The next step is to produce a fuel including the option to
produce hydrogen. Calculate the absolute maximum volume of hydrogen (H2 in
m3 at 1 atm and 298 K) that can be produced per tonne of biomass.

As for relevant equations and attempt at solution, I honestly have no idea where to begin. I'm not looking for a solution to this question, just need to discuss how to approach it. Chemistry is not my strongest subject.

Thanks for looking! :)
 
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  • #2
Using the ratio given in the problem statement, for each tonne of biomass, how much glucose can be produced?
 

Related to Mass Balance of Biomass Question

1. How is the mass balance of biomass calculated?

The mass balance of biomass is calculated by determining the total amount of biomass added to a system (such as a forest) through growth or accumulation, and subtracting the amount of biomass that is removed from the system through processes such as harvesting or decomposition.

2. Why is understanding the mass balance of biomass important?

Understanding the mass balance of biomass is important because it allows us to track the amount of biomass in a system and monitor changes over time. This information is crucial for managing and conserving natural resources, as well as for understanding the role of biomass in the carbon cycle and its impact on climate change.

3. How does the mass balance of biomass differ from the mass balance of other substances?

The mass balance of biomass differs from the mass balance of other substances because biomass is a living and constantly changing material. This means that biomass can grow, reproduce, and die, which affects its overall mass balance. Other substances, such as water or minerals, do not have the same properties and processes as biomass.

4. Can the mass balance of biomass be affected by human activities?

Yes, human activities can significantly impact the mass balance of biomass. For example, deforestation or large-scale agriculture can decrease the amount of biomass in a system, while reforestation or sustainable forestry practices can increase it. Human activities can also alter the natural processes that contribute to the mass balance, such as fire or nutrient cycling.

5. What are some challenges in accurately measuring the mass balance of biomass?

One challenge in accurately measuring the mass balance of biomass is determining the boundaries of the system. For example, do we include aboveground biomass only, or do we also consider belowground biomass and dead organic matter? Another challenge is accounting for all the different sources and sinks of biomass, as well as the natural variability within a system. Additionally, technological limitations, such as the difficulty in accurately measuring fine-scale changes in biomass, can also pose challenges.

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