When organic materials are rottening, they produce hydrocarbons. Why not use them? One may crack them like oil.
Nathalie,
The question is one of controlling the process to extract the various hydrocarbons. Using anaerobic digestion, the process is uncontrolled and the economic potential is lost. Attached is a paper titled "products From Organic Waste Using Managed Ecosystem Fermentation" scheduled for publication in the Journal of Sustainable Development in June.
Edward,
about the question of economic potential, it depends on which country you live in. Those which do not have oil in their undergrounds could take advantage of that.
That issue is what the MEF process permits... it s focused on benefiting the local economy.... it a developed country, the products are the high end oils that are fractionated from the lipids, with the proteins going to paper production. In a developing economy, more value is achieved by converting the waste stream into high protein animal feed and biodiesel. This approach provides several benefits. First the disease vector in the waste stream in mitigated. Second, the production of animal feed permits improving the health of the population by being able to provide more protein for human consumption. The feed is used to feed poultry and fish/prawns. Third, biodiesel is produced from the lipids. The process itself is not that complicated. It is designed to be built into standard shipping containers to make it scalable to the needs of the local economy and easily deployable without much investment.
Soybean oil (mobilizing agent) best supported the growth and positively affected PAH degradation by both fungi - white-rot fungi Irpex lacteus and Pleurotus ostreatus
http://agris.fao.org/agris-search/search.do?recordID=US201301535986
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