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December 12, 2005



Thanks for the useful update. Oil from algae certainly appears to be an exciting area for the future...I found some more inputs on biodiesel & oil from algae @ http://www.oilgae.com

Let's hope algae can provide at least a partial solution to our energy needs


Prof.Hans-Jürgen Franke & Prof. Pengcheng Fu


University of Hawai'i Professor Pengchen "Patrick" Fu developed an innovative technology, to produce high amounts of ethanol with modified cyanobacterias, as a new feedstock for ethanol, without entering in conflict with the food and feed-production .

Fu has developed strains of cyanobacteria — one of the components of pond scum — that feed on atmospheric carbon dioxide, and produce ethanol as a waste product.

He has done it both in his laboratory under fluorescent light and with sunlight on the roof of his building. Sunlight works better, he said.

It has a lot of appeal and potential. Turning waste into something useful is a good thing. And the blue-green-algae needs only sun and wast- recycled from the sugar-cane-industry, to grow and to produce directly more and more ethanol. With this solution, the sugarcane-based ethanol-industry in Brazil and other tropical regions will get a second way, to produce more biocombustible for the worldmarket.

The technique may need adjusting to increase how much ethanol it yields, but it may be a new technology-challenge in the near future.

The process was patented by Fu and UH in January, but there's still plenty of work to do to bring it to a commercial level. The team of Fu foundet just the start-up LA WAHIE BIOTECH INC. with headquarter in Hawaii and branch-office in Brazil.


Fu figures his team is two to three years from being able to build a full-scale
ethanol plant, and they are looking for investors or industry-partners (jointventure).

He is fine-tuning his research to find different strains of blue-green algae that will produce even more ethanol, and that are more tolerant of high levels of ethanol. The system permits, to "harvest" continuously ethanol – using a membrane-system- and to pump than the blue-green-algae-solution in the Photo-Bio-Reactor again.

Fu started out in chemical engineering, and then began the study of biology. He has studied in China, Australia, Japan and the United States, and came to UH in 2002 after a stint as scientist for a private company in California.

He is working also with NASA on the potential of cyanobacteria in future lunar and Mars colonization, and is also proceeding to take his ethanol technology into the marketplace. A business plan using his system, under the name La Wahie Biotech, won third place — and a $5,000 award — in the Business Plan Competition at UH's Shidler College of Business.
Daniel Dean and Donavan Kealoha, both UH law and business students, are Fu's partners. So they are in the process of turning the business plan into an operating business.

The production of ethanol for fuel is one of the nation's and the world's major initiatives, partly because its production takes as much carbon out of the atmosphere as it dumps into the atmosphere. That's different from fossil fuels such as oil and coal, which take stored carbon out of the ground and release it into the atmosphere, for a net increase in greenhouse gas.
Most current and planned ethanol production methods depend on farming, and in the case of corn and sugar, take food crops and divert them into energy.

Fu said crop-based ethanol production is slow and resource-costly. He decided to work with cyanobacteria, some of which convert sunlight and carbon dioxide into their own food and release oxygen as a waste product.

Other scientists also are researching using cyanobacteria to make ethanol, using different strains, but Fu's technique is unique, he said. He inserted genetic material into one type of freshwater cyanobacterium, causing it to produce ethanol as its waste product. It works, and is an amazingly efficient system.

The technology is fairly simple. It involves a photobioreactor, which is a
fancy term for a clear glass or plastic container full of something alive, in which light promotes a biological reaction. Carbon dioxide gas is bubbled through the green mixture of water and cyanobacteria. The liquid is then passed through a specialized membrane that removes the
ethanol, allowing the water, nutrients and cyanobacteria to return to the

Solar energy drives the conversion of the carbon dioxide into ethanol. The partner of Prof. Fu in Brazil in the branch-office of La Wahie Biotech Inc. in Aracaju - Prof. Hans-Jürgen Franke - is developing a low-cost photo-bio-reactor-system. Prof. Franke want´s soon creat a pilot-project with Prof. Fu in Brazil.

The benefit over other techniques of producing ethanol is that this is simple and quick—taking days rather than the months required to grow crops that can be converted to ethanol.

La Wahie Biotech Inc. believes it can be done for significantly less than the cost of gasoline and also less than the cost of ethanol produced through conventional methods.

Also, this system is not a net producer of carbon dioxide: Carbon dioxide released into the environment when ethanol is burned has been withdrawn from the environment during ethanol production. To get the carbon dioxide it needs, the system could even pull the gas out of the emissions of power plants or other carbon dioxide producers. That would prevent carbon dioxide release into the atmosphere, where it has been implicated as a
major cause of global warming.
Honolulo – Hawaii/USA and Aracaju – Sergipe/Brasil - 15/09/2008

Prof. Pengcheng Fu – E-Mail: [email protected]
Prof. Hans-Jürgen Franke – E-Mail: [email protected]

Tel.: 00-55-79-3243-2209

Kit P

Sounds good if you can make the economics work.

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I especially like that the Hawaii professor clearly used a local waste product from the sugar cane. Here in LA the waste is so much less green that you only hope someone will find a way to screen out the products eligible for repair or reuse.


I enjoyed reading this post. Thanks for a wonderful job!

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This is a good research study.When the emissions are already very high and can not be controlled in many cases,at least there could be options of making sure that it is eaten by the needed.Will the emission be less in the air then?

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They are more eco-friendly as they reduce the more toxic element from our environment.

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To do whatever needs to be done to preserve this last and greatest bastion of freedom .

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Nice post. This post is different from what I read on most blog. And it have so many valuable things to learn.
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Your article is very informative and the use of graphics adds to understanding the process. I think some of your sentences are too long, and a few minor commas are missing. You did very well for your first blog. When I write my first blog, I hope it is as readable as yours.

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Very interesting information on the use of algae. Hopefully someday someone will come up with a better energy source that will not emit carbon dioxide.

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Yeah thats true. If a large area is surrounded in algae then those are with algae should be treated carefully to get rid of algae.

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This is a very helpful idea about utilizing algae in a more useful way. This would give way to a more successful things to be done regarding this soon after.


Brilliant post! According to some studies, algal recycling may reduce emissions more than by replacing coal-fired power stations with gas or wind power. I never thought that algae could be very important!

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Great Post! I was familiar with the benefits of green algae but never imagined it could be used for commercial purposes, ingenious. I live in Bonita Springs, Florida and I could almost imagine every house having their rooftops covered in green algae filtering the rain water? Sounds weird but I'm a big Lord Of The Rings Fan! ha

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Does anybody have good comparative data on jobs at an IGCC plant vs jobs at a SCPC plant both during construction and operation?

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What is the " waste " product of this
oil extraction process ?

moisture content ?

How is it "disposed" of ?

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So-called clean-coal technology is expensive and a long way off, as well as being potentially dangerous. The latest and greatest is the ”algal synthesiser”.

The idea of storing carbon dioxide from coal-fired plants by recycling it through algae or in the soil is a likely solution to the problem of carbon pollution from power stations, smelters and refineries.

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The production of ethanol for fuel is one of the nation's and the world's major initiatives, partly because its production takes as much carbon out of the atmosphere as it dumps into the atmosphere

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This is a good research study.When the emissions are already very high and can not be controlled in many cases,at least there could be options of making sure that it is eaten by the needed.Will the emission be less in the air then?

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The technique may need adjusting to increase how much ethanol it yields, but it may be a new technology-challenge in the near future.

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