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The biogas obtained through processing of livestock residual waste (dung, manure and residual food), food production waste (fruit, vegetable, meat and dairy residues) and also effluents from industrial and municipal wastewater treatment plants can have a significant contribution in energy supplying and environmental protection. In order to determine the quality of this renewable fuel, it was developed a fast gas-chromatography method, through which it can be establish the calorific values, that have an important i...

permanent concern of the researchers regarding the environment protection and the improvement of life quality in order to sustain the society development is orientated to viable solution for reducing the global warming. The main contributor to this negative phenomenon is represented by the carbon dioxide (CO2). This gas results in various processes, such as fossil fuels combustion or as a by-product from bio-hydrogen production. Also, the carbon dioxide is one of the main contaminants of natural gas and usually it...