the advantages of the use of biogas

The Advantages of the use of BIOGAS:

REF. 1: [http://www.enerecosrl.com/biodiesel_biogas_en.php] accces 19th February 2007
BIOFUELS are the products of the fermentation and distillation of BIOMASS.
In particular, BIOGAS is produced using the humid part of the citizens’ rubbish or the animal dejections.
In BIOGAS production, the technology now allows to realise simpler and cheaper systems than before.
BIOGAS is generally composed by METHANE and a small percentage of rare gas, so that it can be used for those typical applications of methane.
If it is properly purified, BIOGAS can be even put into the city methane pipelines. However, it doesn’t happen because of the energy necessary for the gas purification.

I. (VERY IMPORTANT) Ecological advantages of the use of BIOGAS:
1.1. in the combustion of BIOFUELS (BIOGAS included) the CO² produced is at the so called “zero balance”, i.e. there’s the emission of the same quantity of CO² that plants and animals have absorbed during their life. Therefore, the environmental impact is much lower in comparison with the traditional fuels.

1.2. because BIOGAS is generally composed by METHANE and a small percentage of rare gas, so that it can be prevented the introduction in the troposphere of the methane naturally emitted by organic biomass in a state of decomposition (animal dejections, organic remains, vegetal biomass, ext.). Indeed methane is one of the most dangerous “greenhouse gases”, therefore combustion is preferred.

II. Other advantages of the use of BIOGAS

REF.2 [www.edu.pe.ca/agriculture/biogas.pdf] Accesed 19th Fberuary 2007
Advantages of biogas include its renewability, abundance, and low cost. Also, it helps with the problem of disposal of organic waste.

DISADVANTAGES of the use of BIOGAS:
1. (main disadvantage) the loss of the organic waste for compost or fertilizer.


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