While the biogas from Anaerobic Digestion does mercifully disperse rapidly, terrible accidents can and do happen around the world, as the following post from the Philippines shows:
Biogas tank that killed four in Batangas had no permit
By TINA GANZON, ABS-CBN SOUTHERN TAGALOG | 12/11/2008 11:10 PM
The sanitary inspector of Malvar town in Batangas province has confirmed that FS Lajara Farm in Bagong Pook town has no permit to operate the biogas tank that killed 4 workers Tuesday morning.
Inspector Aldrin Leviste said that the company, owned by former Calamba Mayor Severino Lajara, would be asked to put their biogas operations on hold. They may also be fined for operating such facility without securing the necessary permit.
Leviste said that all biogas operators are required to employ a pollution control officer to guide and monitor the workers. He said it is also essential to impose the use of necessary safety garments such as protective masks and supportive gadgets.
FS Lajara Farm was allegedly not complying with any of the guidelines provided.
Based on the post mortem report suffocation was identified as the cause of death. Health Officer Dr. Luisa Jaurigue said it is also possible the victims were able to ingest pig manure which also caused poisoning.
It was the last day of a two-week contract for workers William Flores, Jovert Catalan, John John Villa and Richard Manahan when they all lost consciousness upon entering the biogas tank that led to their demise. More at CBN News here.
In the EU the ATEX Directive applies safety rules for all explosion risk and dangerous substances sites like biogas digesters/ See ATEX and DSEAR for the UK requirements.
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