AGAMA Case Studies Archive – A collection of AGAMA Biogas case studies
This is an archive of downloadable case studies detailing some of our installations and projects. Feel free to rate them once you have read them!
AGAMA Case Studies Files
In the rural village of Phateni in KwaZulu-Natal, AGAMA BiogasPro have revolutionised life for the families involved. They no longer have to collect firewood or buy paraffin for cooking. They have reduced their dependence on electricity, and use the residue as compost.
Many rural families use animal dung to feed their biogas plant, feeding a plant once a day with a mixture of dung and water. The dung from two to four cows or five to 10 pigs produces enough gas for all their cooking needs and sometimes lighting too.
“The digester saves a lot of time and money. I am too old to collect firewood and my pension is not enough to buy paraffin or gas.” Mrs Nzimande.
“I have used the liquid fertiliser and have enough food to eat. I only have to buy things like salt, sugar and cooking oil.” Mrs Ngubane
Hilton Johnson, the Operations and Maintenance manager at the Goedgedacht Trust Conference Centre, talks to us about working with their biogas digester.
“The catering staff have so much gas they do not need to buy in LP Gas” he says “Feeding the digester is no more work than emptying the garbage was previously”
“The gas was of secondary importance to me” says Peter, “I hate wasting water and wanted to teach my kids and their friends how waste and water can be easily recycled.”
The Bysshe family also noticed an obvious improvement in soil quality in the three years they have been using the nutrient rich water.
The caterers using the kitchen enjoy using the gas and knowing where it comes from. The novelty value has impressed visitors, Scouts, schoolchildren, teachers and the non-profit organization Sustainable Energy Africa who recently held a conference here. This highlights the marketing potential of being able to advertise food at the centre as being “cooked on biogas”.
The AGAMA BiogasPro digester at Three Crowns School in the Eastern Cape forms part of a waste water treatment system that provided flush toilets to replace the pit toilets. Biogas reduces the need to transport i LPgas or use electricity for cooking, and after further purification the liquid overflow provides water and fertiliser for the school’s vegetable garden.
“The gas goes to the kitchen to cook the food that is grown by the fertilizer. The students eat the food and then produce more gas and fertilizer – and so complete the cycle.”
Caryl Richmond has been using her AGAMA BiogasPro on a daily basis since 2012.
When asked whether caring for the digester has been inconvenient Caryl replies “No, it’s no hassle. It takes 1 to 3 minutes to feed kitchen scraps to the digester when I’m there and twice a week I give it a good stir. It has never blocked or required any maintenance.”
Anthea Torr, CEO of Enchantrix, loves her biogas digester. She feeds it food waste, sewage and horse manure. The digester overflow goes via a reedbed into a holding tank from where it is used to fertilise and irrigate her fruit and nut trees. She uses the biogas to cook, boil water and make toast. Biogas has helped Anthea almost achieve her goal of being independent of the electricity grid.
A rural school in KwazuluNatal was equipped with a custom built biogas digester in 2002. This was financed by Development Bank Of South Africa (DBSA) and Ithala. It showed the many benefits spun off from solving rural sanitation problems.