Wednesday, 2 March 2016

BIOGAS’ RISKS AND HOW TO MAKE IT SAFER

Bio gas processing has proven to be a great solvent recovery system since its invention. Unfortunately, in the process of removing wastes to recover solvents and to come up with methane and fertilizers, the following risks might occur;

Explosion or fire may not be avoided when safety measures are not put in place. This is because as a core constituent of biogas, methane forms explosive mixtures once it is exposed to oxygen (air).

The solvent recovery system relies on different populations of bacteria from unidentified sources. It is luckless that unless contact with these bacteria is avoided, people will contract some diseases.

Asphyxiation has also been noted as another harmful risk in processing this useful gas. CO2 and H2S in biogas displace oxygen in the human body. This in turn alters with the respiratory rate, damages lungs and olfactory tissues. Luckily, with the following safety measures, we can bet that, biogas has the potential to be the safest fuel globally.

To begin with, one can clean and upgrade biogas to eliminate CO2 and H2S and hence make it a good source of vehicle fuel.  

For the risk of explosion, you will want to eliminate a source of ignition. In the fire triangle, you require a source of ignition, Oxygen and fuel to cause fire. Hence, you simply need to eliminate one of those elements and all shall be well.

Finally, you can rely on H2S to check on leaking. This chemical has a characteristic smell that can be used to detect leakage and hence minimize the symptoms and fatality of asphyxiation.

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