Filtering biogas with water may fulfill two needs:
- Biogas mostly consist of CH4 (methane) and CO2 (carbon dioxide). So, filtering with water could lower the percentage of CO2 in your biogas so that it has more CH4 with higher calorific value and shorter time for cooking. Higher CO2 percentage mean you may have much volume of biogas but with little percentage of CH4 end up with longer cooking time. Only CH4 is flammable and not CO2.
- Lower CO2 content in your kitchen when cooking inside own house mean healthier environment.
source: Biogas DIY FB Group
source: Biogas DIY FB Group
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