National Sewage Gas Distribution Possible
by Alan Harten
February 4, 2009
A study performed for National Grid indicates that it is practical for biodegradable waste to be utilised to produce bio-methane, which in turn could be introduced into the regular supply, producing a source of 15 percent of all energy from renewable wastes by 2020.
This study also claims that in the not too distant future, biogas could provide nearly 50% of the country’s commercial and domestic needs in gas heating.
Biogas is already being harvested and introduced into gas grids across continental Europe.
This gas is produced by the anaerobic digestion of soft bio waste, like pig manure or human sewage, by the gasification of solid waste and some energy crops.
Today only a small amount of biogas, which is used to create electricity, is produced from the nation’s sewage plants and landfills.
National Grid is persuaded that piping biogas for domestic purposes would definitely be more effective.
The study states that the cost of implementing renewable gas systems, which amounts to £10 billion, stands up to the other kind of renewable energy alternative requirements currently being promoted, like wind generated power and water power.
In addition the price per unit of the biogas would be equivalent to the cost of other ‘clean’ resources.
The National Grid is very optimistic with regards to the potential benefits of biogas.
It may offer the U.K. renewable heat on a large scale, but this plan needs a sound commitment from the government as well as being beneficial commercially to the country.
Sewage produced Biogas is also a perfect solution to get rid of all the waste and would secure the U.K. with gas supplies in the future as the North Sea gas resources run dry.
The National Grid report said that the delivery of the biogas throughout the U.K. would not create major difficulties, a gas grid line would be reasonably easy to execute and no great new infrastructures would be necessary.
National Grid declared that some types of incentives were needed to persuade people to turn bio-methane into gas for use in residential and commercial situations instead electricity.
The Government will be studying all possibilities to establish the potential for biogas to be pumped directly into the national gas grid.
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