Biogas Production and Usage Quiz
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Questions and Answers

Explain the process of converting biogas to liquid fuel for longer time usage.

The process involves pressurized water scrubbing, dry methane reforming, and FT-synthesis to create a high pressure and release liquid fuel. This allows the biogas to be stored for future use.

What are the approximate daily gas production values from 1 kg of biomass and from adding human waste for one person?

1 kg of biomass gives 0.02 – 0.05 cubic units of gas, and adding human waste for one person can help produce 0.2 to 0.4 cubic units of gas.

How can bad odor be prevented in the biogas production process?

Bad odor can be prevented by installing fume hoods, covering or confining materials, and washing air in aquas solution to change the gaseous form of odor to liquid, which can be used for microorganisms. The solution absorbs the odor.

What are the approximate annual waste production values in a household of 3-4 people and the gas consumption when biogas is not used?

<p>A household of 3-4 people produces 50 - 75kg of waste per year, and the gas consumption when biogas is not used is 150 liters or 8-9 cylinders of LPG per year.</p> Signup and view all the answers

What kind of waste does the biogas plant typically receive, and what transformation occurs in the process?

<p>The biogas plant typically receives all kinds of organic waste, including livestock manure and organic industrial waste. In the process, the carbon in the dry solid livestock manure is transformed into biogas, which is a compound of methane (CH4) and carbon dioxide (CO2).</p> Signup and view all the answers

What is the approximate amount of waste produced in a household of 3-4 people per year?

<p>50 - 75kg</p> Signup and view all the answers

How much LPG is consumed per year if biogas is not used, and how does this compare to the daily consumption of biogas?

<p>150lt. or 8-9 cylinders of LPG per year, 30-40 lt. per day for biogas</p> Signup and view all the answers

What are the different methods of converting biogas to liquid fuel for longer time usage?

<p>pressurized water scrubbing, dry methane reforming, and FT-synthesis</p> Signup and view all the answers

What is the approximate daily gas production from adding human waste for one person?

<p>0.2 to 0.4 cubic units</p> Signup and view all the answers

What is the compound formed from the transformation of carbon in the process of biogas production?

<p>a compound of methane(CH4) and carbon dioxide(CO2)</p> Signup and view all the answers

Study Notes

Biogas Production and Conversion to Liquid Fuel

  • Biogas can be converted to liquid fuel for longer time usage, but the process is complex and requires specific conditions.

Biogas Production from Biomass and Human Waste

  • 1 kg of biomass produces approximately 350-400 liters of biogas.
  • Adding human waste from one person can produce around 20-30 liters of biogas per day.

Odor Prevention in Biogas Production

  • Bad odor in biogas production can be prevented by maintaining the correct moisture levels, pH, and temperature during the anaerobic digestion process.

Waste Production and Biogas Consumption in Households

  • A household of 3-4 people produces approximately 1.5-2 kg of organic waste per day, which translates to around 540-720 kg per year.
  • If biogas is not used, this household would consume around 30-40 LPG cylinders per year, equivalent to daily consumption of around 0.8-1.1 m³ of biogas.

Biogas Plant Waste and Transformation

  • Biogas plants typically receive organic waste, such as food waste, agricultural waste, and human waste.
  • During the anaerobic digestion process, the waste undergoes transformation, and the carbon in the waste is converted to methane (CH₄) and carbon dioxide (CO₂).

Biogas Conversion to Liquid Fuel

  • There are several methods to convert biogas to liquid fuel, including:
    • Fischer-Tropsch process
    • Gas-to-liquids (GTL) process
    • Methanol-to-gasoline (MTG) process
    • Liquefaction of biogas to Compressed Bio-Gas (CBG)

Additional Facts

  • The compound formed from the transformation of carbon in the biogas production process is methane (CH₄).
  • Daily gas production from adding human waste for one person is around 20-30 liters.

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Description

Test your knowledge about biogas production and usage with this quiz. Explore the potential of using human waste and biomass to produce biogas, and learn about its efficiency compared to LPG.

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