What are the components of biogas?

When it comes to electricity and the environment, there is a continual shift towards renewable sources that are more eco-friendly however still offer reliable and productive power. Enter biogas - a renewable energy source that can offer a huge ranage of benefits. But what exactly is it, and what is it made up of? Find out more below and, if you'd like to know more, give Inoplex a call on 0448 307 282 today.

What is biogas?

Biogas is a renewable energy source that is produced from organic waste and matter.

How is biogas created?

Biogas is created through the anaerobic (oxygen-free) digestion of organic matter.

In other words (and according to the Department of Natural Resources, Mines and Energy), "biogas is generated through the natural process of bacterial decomposition (anaerobic digestion or fermentation) of organic materials such as biomass, manure, sewage, general waste, septic tanks, greenwaste and energy crops".


What are the components of biogas?

Biogas is usually made up of around 50-70% methane (CH4) and 25-45% carbon dioxide (CO2), with other gases such as hydrogen (H2), hydrogen sulphide (H2S), water vapor (H2O), nitrogen (N2), oxygen (O2), ammonia (NH3) making up the rest. The exact percentages depend on a range of factors, such as retention time and operating temperature, however a rough estimate is:

  • Methane (50-85%)
  • Carbon dioxide (5-50%)
  • Water vapor (0-10%)
  • Hydrogen (0-1%)
  • Hydrogen sulphide (0-3%)
  • Nitrogen (0-5%)
  • Oxygen (0-2%)

Should you consider removing the water or moisture from your biogas?

Follow this link to lean about the benefits of removing moisture. To start with, removing the water will increase the energy in the biogas!

Are you interested in producing heat, power and cooling from your biogas?

Follow this link to work out how much electrical energy you can produce from your biogas supply, how much energy in biogas

What is biogas used for?

Biogas can be used in a range of different ways as an energy source, however the most common (and how Inoplex uses it) is directly for heat and/or electricity generation. Biogas can be used as fuel for options such as cogeneration, offering a renewable energy option that is both reducing your carbon footprint and being kinder to the environment.


Your knowledgeable biogas experts

If you have any questions regarding biogas, its use or its creation, give Inoplex a call on 0448 307 282 today. We are experts when it comes to biogas and cogeneration systems across Australia, so get in contact now.


Quora (What is the mixture of biogas?): https://www.quora.com/What-is-the-mixture-of-biogas

Wikipedia (Biogas): https://en.wikipedia.org/wiki/Biogas

Department of Resources, Mines and Energy (Guideline for operating plant - Biogas): https://www.dnrme.qld.gov.au/__data/assets/pdf_file/0006/238596/biogas-info-sheet.pdf

Bioenergy Australia (Biogas opportunities for Australia): https://arena.gov.au/assets/2019/06/biogas-opportunities-for-australia.pdf