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Some insights on Algal Oil Extraction
By Bobby Yates Emory, oil from algae from algae group @ yahoogroups
1. If you are trying to devise a practical system that people can use in the real world, use a press. If you are going for large volumes, get a screw press. Build a sturdy cylinder with small holes, a close fitting piston, and use the jack to apply pressure.
2. There may be no need to get all the oil out of the algae. If we are able to sell the algae cake, the farmers may want a little oil left in the cake for their animals – most animals need some oil (fat).
3. The solution I am hoping will work is – change the osmotic pressure and thereby disrupt the cell. Let settle overnight and the oil will float to the surface. This has not been tested. (If you are using a marine species, drain much of the salt water out and flush with fresh water. Or for a freshwater speices, drain out most of the fresh water and flush with salt water.)
The Oilgae Comprehensive Report gives more detailed insights on algal oil extraction.
Oilgae – Oil & Biodiesel from Algae provides links, directory, web links resources for algae-based biofuels & biodiesel. Intended to be useful for research, information, inputs, news for buyers, sellers, manufacturers, traders, suppliers, producers, exporters / importers of algal oil and algal fuels. Will provide info on biofuel feedstock, algal feedstocks, algae oil and link details on fuel from algae, bio-fuel, bio-diesel, algal oils & bio-fuels production and uses, biofuels trade & market resources, price data, statistics, prices, demand-supply for buyer, seller, manufacturer, trader, supplier, exporter and producer
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