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Namisu, Malawi - Project Bulletin 4

Bulletin date: 31 July 2014

The Flexigester continues to receive waste from the toilets, the kitchen and the farm animals. It is now in the middle of the coolest season in Malawi but the Flexigester still continues to produce biogas. The gas is being used in the kitchen where it can heat up water but it is difficult to boil the maize porridge. This is probably due to a number of factors including the rate of delivery of the gas and the large size of the pans used. Angus, the General Manager of Aquaid Lifeline in Malawi, reported that at present the biogas would easily be able to cook a meal for 10 people but it is struggling to cook for 200. We will look at ways to improve this so it can be used to its full potential.


The biofertiliser is being fed into the soil donuts. There has been some seepage out of the donuts and they may need dismantling and refilling with fresh soil. This will allow the nutrient rich soil now in the donuts to be applied to land.

Biogas bags filled with gas

Biogas bags filling from Flexigester

< Previous Maize porridge cooked by biogas Maize porridge being cooked by biogas

There continues to be international interest in the Flexigester with visitors in the last two months from International Red Cross and WASTE from the Netherlands.

Maize porridge cooked on biogas from the Flexigester

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