Algae Oil Extraction Tips & Suggestions
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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
Oilgae Blog
algOS - Biodiesel from Algae Open Source
See also: Oilgae Blog Article Directory for a complete listing of all Oilgae blog posts - covering news, research and updates on biodiesel from algae & other plant feedstock, ethanol, and other renewable energy such as wind energy, hydrogen, hydro-energy, tidal/wave energy, geothermal, solar energy & nuclear energy
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
Oilgae Blog
algOS - Biodiesel from Algae Open Source
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
Labels: Algae Oil Extraction
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I had a thought that maybe brighter minds than mine could consider (or already have.) Instead of fermenting for ethanol after the oil extraction consider fermentation before oil extraction. It would seem that the process of fermenting the microalgae before the extraction of the oil may break down the cell walls which would free the oil. The stock and water could then be removed through filtering, settling, centrifuge, or something. The ethanol could be distilled out leaving the oil ready for biodiesel conversion. I read somewhere that ethanol could be used in place of methanol and this process would/could provide the source of the ethanol.
fcvan
fcvan
# posted by 
: 11:49 PM
: 11:49 PM
How can you sell you algae cake and to whome? Also what is the average going rate for a pound of algae cake?
# posted by : 7:28 PM
: 7:28 PM
i'm working on biodiesel production from spirogyra as an undergraduate project work in Nigeria. i encourage more researcher to investigate the Africa climatic advantage for algaculture. for more info; adoyi_oche@yahoo.com
One of the most efficient high lipid algae solid separation from water processes is offered by Water & Oil Technologies, Inc. They have a continuous or batch system that is followed by algae cell wall disruption for algal oil removal. Process can be done on a batch or continuos basis for any volume of algae grown.They can be reached at fuelalternatives@sbcglobal.net
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