Question

which different material are decomposed in biogas plant

Answer 1

Biogas is a type of biofuel that is naturally produced from the decomposition of organic waste. When organic matter, such as food scraps and animal waste, break down in an anaerobic environment (an environment absent of oxygen) they release a blend of gases, primarily methane and carbon dioxide.  Because this decomposition happens in an anaerobic environment, the process of producing biogas is also known as anaerobic digestion.

Answer 2

This process is in first to last.

1. Biogas - used as Combustible gas.
2. A layer of dirt - used as Insulator.
3. A weightless liquid - used as Biologically active.
4. Effluent - used as Fertolizer.
5. Inorganic Solids (Sand / Gravel )