BIOGAS DIGESTER (With ANIMATION) _ How Biogas Digester to Work? (Cara Kerja Digester Biogas)

Summary

This video introduces the process of biogas production, explaining how organic waste and animal manure are broken down by bacteria in a biogas digester to produce renewable energy. It covers the components of a fixed dome reactor, the anaerobic digestion process, and how biogas can be used for cooking, lighting, and power generation. The video also highlights the economic and ecological benefits of biogas, including clean energy production and the reduction of odors from manure. Viewers are encouraged to engage with the content by liking, commenting, and sharing.

Takeaways

• 😀 Biogas is produced from the breakdown of organic materials or waste, such as livestock manure, through bacterial fermentation.
• 😀 There are three main types of bacteria involved in biogas formation: fermentative, acetogenic, and methanogenic bacteria.
• 😀 The white continuous mesophilic fixed dome reactor is a popular biogas system design used in Indonesia, characterized by an underground dome or digester.
• 😀 The digester in a biogas system has two main sections: a liquid phase for fermentation and a gas phase for gas collection.
• 😀 Biogas is collected through a gas pipe and can be used for cooking, lighting, or powering generators in larger systems.
• 😀 The process starts by mixing livestock manure with water, which is then fed into the digester for anaerobic fermentation.
• 😀 As biogas forms, it rises to the top of the digester and generates pressure, which is used to push out the liquid phase through the outlet.
• 😀 Biogas systems can provide economic benefits by producing renewable energy and organic fertilizer, making them a valuable resource.
• 😀 Ecologically, biogas helps reduce waste, odors, and pollution by converting organic materials into a cleaner form of energy.
• 😀 Despite some challenges such as initial setup and maintenance costs, the advantages of biogas systems, both economically and ecologically, outweigh the drawbacks.

Q & A

What is biogas and how is it produced?

Biogas is a gas produced through the decomposition of organic materials, such as organic waste and animal manure, by bacteria. The process involves three types of bacteria: fermentative bacteria, acetogenic bacteria, and methane-producing bacteria.

What is the role of the bacteria in biogas production?

The bacteria play a crucial role in breaking down organic materials. Fermentative bacteria initiate the process, acetogenic bacteria further degrade the material, and methane-producing bacteria generate methane gas, which is the main component of biogas.

What is a White Continuous Mesophilic Fixed Dome Reactor?

It is a type of biogas digester commonly used in Indonesia. The reactor consists of a dome or digester embedded in the ground, with an inlet tank where animal manure and other materials are introduced for fermentation.

What are the main components of a biogas digester system?

The system includes an inlet tank for the material, a digester or dome where fermentation occurs, a gas space where the biogas accumulates, and an outlet space where the slurry is removed after fermentation.

How does the biogas digester work?

The manure is mixed with water in a 1:10 ratio and introduced into the digester. Inside the digester, anaerobic digestion takes place, producing biogas. The gas rises, accumulates, and exits through a gas pipe. The slurry is then released through the outlet.

What happens to the pressure in the digester during biogas production?

As biogas is produced, the pressure in the digester increases. This pressure pushes the slurry out through the outlet. Once the gas is used, the pressure drops, and the slurry returns to its original level.

What are the uses of biogas produced in a digester?

Biogas can be used as fuel for cooking, lighting, and even for powering generators on a larger scale.

What are the environmental benefits of using biogas?

Biogas production helps clean the environment by converting organic waste into useful energy. It reduces odors and prevents pollution from manure, making the environment cleaner and healthier.

What are the advantages and disadvantages of biogas systems?

The advantages include economic benefits from producing gas and fertilizer, and ecological benefits from reducing waste and odors. However, there are some disadvantages, such as the cost of installation and maintenance, though these are outweighed by the long-term benefits.

Why is the White Continuous Mesophilic Fixed Dome Reactor popular in Indonesia?

This type of reactor is widely used in Indonesia due to its effective design for local conditions, where animal manure is abundant and the need for sustainable waste management solutions is high.