Biodigesters have become a popular choice for managing solid waste in Ghana. With their ability to convert biodegradable waste into useful resources, biodigesters offer an environmentally friendly solution for households and commercial properties alike.
In this article, we will explore the different types of biodigesters constructed in Ghana, their specifications, and the ideal applications for each type.
Standard Family-Sized Biodigester
The standard family-sized biodigester is designed for 1, 2, or 3-bedroom houses with up to or 3 toilet facilities. This biodigester, measuring five and a half feet by two and a half feet by two and a half feet, can accommodate up to six people using the property. Typically, it is used continuously, 24×7, 7 days a week.
Occasionally, the standard family-sized biodigester can handle larger gatherings or events, accommodating over 100 people. However, its primary purpose is to efficiently manage waste in a standard-sized family home. It is an excellent choice for households looking for a sustainable waste management solution on a budget.

Medium-Size Family Biodigester
The medium-sized family biodigester is a popular choice for homeowners with 1, 2, 3, or 4-bedroom houses. It offers a balance between the standard family-sized and large family-sized biodigesters.
Designed for families with a father, mother, children, and additional residents such as grandparents or housemates, this biodigester measures three feet by three feet by six feet.
The medium-sized family biodigester is suitable for holiday properties, small offices, and other facilities that are not frequently used but may require a larger capacity for occasional gatherings or events.
It provides an efficient and sustainable solution for managing waste in medium-sized households.

Large Family Size Biodigester
The large family-sized biodigester is designed for properties with five to eight bedrooms, including rental properties and compound houses.
With a capacity of up to 30 flushes per day, this biodigester ensures efficient waste management for larger households.
It is important to note that a good soakaway or outlet for the water is crucial for the proper functioning of a large family-sized biodigester. In cases where the property lacks a suitable soakaway, it is recommended to install two standard family-sized biodigesters instead.
This approach helps distribute the pressure and water load, ensuring optimal performance.
The large family-sized biodigester is versatile and can adapt to different lifestyles.
It has successfully served numerous households in Ghana, providing an effective and sustainable waste management solution for a lot of homeowners.

Commercial-Size Biodigester
The commercial-size biodigester is specifically designed for commercial and light industrial use, as well as large properties and facilities.
With its capacity to handle up to 200 uses per day, this biodigester is ideal for schools, churches, public toilets, and other high-traffic areas.
The size of commercial biodigesters can vary depending on the specific requirements of the facility. They are typically six to eight feet long and designed to handle the large amount of waste that numerous users produce.
When constructing a commercial-size biodigester, it is essential to have a clear wastewater treatment plan in place.
These biodigesters require proper outlets for the wastewater, as the volume of water can be significant.
A well-designed wastewater treatment system ensures the efficient and sustainable operation of commercial biodigesters.

To sum it all up; biodigesters offer a sustainable and eco-friendly solution for managing solid waste in Ghana.
The standard family-sized biodigester is suitable for small to medium-sized households, while the medium-sized family biodigester provides a balance between capacity and usage.
The large family-sized biodigester is designed for larger households and properties, while the commercial-size biodigester caters to commercial and light industrial use.
When considering the construction of a biodigester, it is important to assess the specific needs and requirements of the property.
Factors such as the number of bedrooms, the frequency of use, and the availability of a suitable soakaway or wastewater treatment system should be taken into account.
Investing in a biodigester not only helps manage waste effectively but also contributes to a cleaner and healthier environment.
Download the ebook on how to construct a simple onsite biodegradable toilet waste biodigester.
Interested in my weekly newsletter which talks about current news and happenings around biodigesters in Ghana? then subscribe here.