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Archive for June, 2009

A Mobile Press for Camelina Extraction in Wyoming.

June 24th, 2009
In Wyoming, researchers and landowners are planning to test if the concept of biofuel would work in their state. The reason I grabbed this article is because, guess what ?? they are gonna try growing Camelina- cabbage cousin. As I mentioned earlier, Camelina is a wonderful biofuel, crop which is known to reduce the carbon emissions drastically and its fertilizer requirements are very less too.

The Wyoming Business Council Agribusiness Division has received a grant for their research. They are actually planning to buy a press- equipment, which will be to crush the Camelina to extract oil from it. The grant which they have received, will help a great deal to take it all around their state to show the producers the way it works. It is called a mobile press .It is believed to extract about 40-45% oil. Earlier, the problem they faced was the the processing of Camelina near the place where it was grown. They hope that this mobile press will solve this problem..They feel that it can be rolled out and set up for demonstration and small-scale research. In March, the Camelina company in Montana was after a press, I don’t know if this mobile press would be of any help to them.

The focus of this research has been the biofuel. However, there are some questions which arise at this point? Generally speaking, when a seed is pressed only one-third of it is fat and the rest is its meal . What will be done with the leftover Camelina stuff (meal) after the oil extraction ?

Efforts are underway to check if this will be economically feasible. Researchers wonder what they could do with such a huge quantity of meal . Hence, they would like to research on this topic for another two years or so before jumping into further conclusions.

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Will the cabbage fuel be the future biofuel ?

June 22nd, 2009

Camelina, considered the cousin of Cabbage could reduce the carbon emission in the jet fuels to about 84 percent. Interestingly, it is one of the plant-fuels, which exhibits the lowest carbon emission when compared to the other plant derived biofuels. Even in my previous posts, I have mentioned the fact that, Camelina requires very little attention, it being a lowly weed does not require much use of fertilizers, water or nutrients.

Yet another unique attribute of this crop is that it has a capacity of converting oil to a hydrocarbon jet fuel that meets or exceeds almost all the petroleum and jet specifications. The most exciting fact about this crop is that, it is almost an exact replacement of fossil fuels. The cultivation of Camelina is quite easy, it can be cultivated on marginal agricultural lands as well. Camelina will not compete with the food-crops such as corn or soy.

The bottlenecks we face in using this great weed is it’s price, the feedstock availability and it will be a bit difficult to convince farmers to grow this crop as well. Apparently, a recent news from Albany claimed that farmers were shocked when they came to know the potential of this Camelina oil crop. The Albany farmers were actually eradicating this weed for many years. Similarly, there are so many ignorant farmers in many parts of the world not knowing that this oil crop can do wonders.

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Related blog posts:

Camelina-Derived Renewable Jet Fuel Reduces 84% Carbon Emissions
Albany farmers plan to grow plant biofuel crops.

Illinois professor answers a few important Plant Biofuel questions

June 22nd, 2009
A professor from the University of Illinois has spoken in the Vatican about the use of non-food crops (Miscanthus) and biological wastes for deriving biofuels. Professor Stephen Long has given answers to some very important questions such as : the types of biofuels that are being developed, if those biofuels can be produced in developing countries? , the time period required to make these non-polluting biofuels as our transportation fuels , and so on.

Please check out the link for the full article.

Albany farmers plan to grow plant biofuel crops.

June 19th, 2009

Farmers in the warmer countries are being asked to grow weeds such as Camelina, penycress and other oil yielding weeds that help making biodiesel. Some farmers ,when asked to grow these “stink weeds”- that’s how they call these plants,were shocked as they didn’t realize its potential earlier. They were eradicating them for cultivation of other food -crops.

For those interested – Full article

Plant-based fuels Vs Synthetic fuels in Aircrafts

June 18th, 2009

I had posted an article yesterday, which claims that by 2015 the aviation industry is gonna use plant fuels only or rather, say biofuels in about a decade. Here is another article which talks about the future use of plant fuels in the Boeing jets.

Please refer the link to read the full report.

Related blog post:

Veggie Power: Plant-based Jet Fuel Outperforms Oil-based Jet Fuel

Dynamics of Biomass Energy Diffusion – Co-firing, Gasification, Digestion Case Studies

June 17th, 2009

Came across an interesting paper that discusses what factors have contributed to innovations in biomass energy not growing fast enough.

The aim of the thesis is to contribute to insights necessary to accelerate the diffusion of renewable energy by identifying the underlying factors that induce or block the development, diffusion, and implementation of renewable energies. Biomass energy technologies in the Netherlands and Germany are used as empirical case studies.

To identify the relevant factors, this thesis starts from the perspective that technological success is not only determined by economic and technical characteristics but also by the social system in which a technology – and the knowledge involved – is developed and diffused or rejected.

Interesting paper that discusses quite a few case studies that include biomass gasification, biomass digestion, biomass combustion and biomass co-firing

Full paper here

Will the "second -generation biofuel feedstock" rule the aviation industry by 2015?

June 17th, 2009
This article caught my eye when I was surfing through the renewable energy magazine. It claims that about 60% of the people are ignorant of the fact that the third-generation biofuels are going to rule the aviation industry in a decades time, or may be even earlier than that. A guide has been published by ATAG-Geneva(a non-profit industry dealing with many sectors of aviation) for beginners in this field to gain more knowledge in the arena of third-generation biofuels. 

The industry aims in making these powerful biofuels as the main source of aviation fuels Considerable efforts are underway to achieve their goal. Their big focus was on “Sustainability fuel”since last year. Many test flights have been used to test the efficiency of second generation fuel-plants such as Camelina, Jatropha and other microbial fuels such as algae oil. Interestingly, all these test flights were a success as they burnt cleanly unlike the fossil fuels and didn’t produce any engine inefficiency either.

The industry however, is not very sure of the hindrances they are going to face as they are a little concerned about its impact on the food and water supplies. This top-ranked aviation industry has requested the Geneva government to support the biofuel suppliers in developing the required feedstock and refining systems to achieve their dream of making these highly capable biofuels commerically available for use in the aviation sector.

I cannot wait to see this happening!

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Related blog posts:
Camelina-Derived Renewable Jet Fuel Reduces 84% Carbon Emissions
World’s First Camelina Biofuel Test Flight

India Biomass Gasification Status and Trends

June 16th, 2009

An interesting post here on the Indian biomass gasification status / trends – from the EAI blog

Danish Biomass Gasification Using Bubbling Fluidized Bed Gasifier (BFB)

June 16th, 2009

Gasification technologies offer an opportunity to use biomass more efficiently, especially when used in CHP mode. The commissioning of a novel gasification demonstration project located in Skive, Denmark, is an interesting experiment.

At the Skive gasification demonstration project in Denmark’s northern Jutland, a bubbling fluidized bed (BFB) gasifier is used to produce fuel gas from wood-based biomass. This gas is then used to supply a series of reciprocating gas engines in a
combined heat and power (CHP) application.

Based on a low pressure BFB system and three gas engines, a single gasification plant will supply fuel to all the engines.

Source

Rentech to Produce Synthetic Diesel and Power from Urban Waste

June 16th, 2009

Rentech, Inc. announced a plan to build a plant in Rialto, California for the production of ultra-clean synthetic fuels and electric power from renewable waste biomass feedstocks.

The Rialto Renewable Energy Center (Rialto Project) is designed to produce approximately 600 barrels per day of pure renewable synthetic fuels and export approximately 35 megawatts of renewable electric power that is expected to qualify under California’s Renewable Portfolio Standard (RPS) program. The plant will be capable of providing enough electricity for approximately 30,000 homes.

Rentech has entered into a licensing agreement with SilvaGas Corporation for biomass gasification technology for the Rialto facility. Between 1998 and 2001, a 400 ton-per-day plant using the SilvaGas biomass gasification technology successfully operated in Burlington, VT, producing synthesis gas (syngas) from wood-based biomass in a series of operating campaigns.

The conditioned syngas will be converted by the Rentech Process in a commercial scale reactor to finished, ultra-clean products such as synthetic diesel and naphtha using upgrading technologies under an alliance between Rentech and UOP, a Honeywell Company. Renewable electric power will be produced at the facility by using conventional high-efficiency gas turbine technology.

Source


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