Why is biogas a better fuel than animal dung cakes?

Hydrogen can be considered a cleaner fuel because its burning produces water vapour which is non-polluting. However, due to explosive nature of hydrogen, its storage and transportation is difficult

The chemical nature of Biogas is methane, CO2 & H2. Methanobacteria, a type of methanogen is employed for biogas production.

The chemical nature of Biogas is methane, CO2 & H2.Methanobacteria, a type of methanogen is employed for biogas production.

(iii) Both processes A and B are chemical changes

Biogas is a combustible mixture of methane (about 75%), carbon dioxide, hydrogen and hydrogen sulphide gas. It is obtained by anaerobic decomposition of human and animal excreta and agricultural and...

Charcoal is considered a better fuel than wood because: (i) It has high calorific value. (ii) It does not produce any smoke. Disadvantages: (i) 1 kg of wood on destructive distillation produces only 0.25...

(i) The practice of the second village is the best because they are employing a less polluting and less expensive way of fuel generation. (ii) The first village is promoting no...

c. Indian Agricultural Research Institute and Khadi & Village Industries Commission

Yes, once I have collected dry wood and also made cow dung cakes. To make cow dung cakes, balls of cow dung are made and then these are flattened to...

Potential sources of biogas are: Shrubs, farm wastes, animal, human waste, etc. Four benefits of biogas are: (i) Its calorific value is high. (ii) It burns without smoke, causing no pollution. (iii) It...