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    The county of Chicheng in China's Hebei Province recently signed a cooperative contract with the Australian investment and advisory firm Babcock & Brown to invest RMB480 million (€47.2/US$62.9 million) in a biomass power project, state media reported today. Interfax China - June 14, 2007.

    A new two-stroke ICE engine developed by NEVIS Engine Company Ltd. may nearly double fuel efficiency and lower emissions. Moreover, the engine's versatile design means it can be configured to be fuelled not only by gasoline but also by diesel, hydrogen and biofuels. PRWeb - June 14, 2007.

    Houston-based Gulf Ethanol Corp., announced it will develop sorghum as an alternative feedstock for the production of cellulosic ethanol. Scientists have developed drought tolerant, high-yield varieties of the crop that would grow well in the drier parts of the U.S. and reduce reliance on corn. Business Wire - June 14, 2007.

    Bulgaria's Rompetrol Rafinare is to start delivering Euro 4 grade diesel fuel with a 2% biodiesel content to its domestic market starting June 25, 2007. The same company recently started to distributing Super Ethanol E85 from its own brand and Dyneff brand filling stations in France. It is building a 2500 ton/month, €13.5/US$18 million biodiesel facility at its Petromidia refinery. BBJ - June 13, 2007.

    San Diego Gas & Electric (SDG&E), a utility serving 3.4 million customers, announced it has signed a supply contract with Envirepel Energy, Inc. for renewable biomass energy that will be online by October 2007. Bioenergy is part of a 300MW fraction of SDG&E's portfolio of renewable resources. San Diego Gas & Electric - June 13, 2007.

    Cycleenergy, an Austrian bioenergy group, closed €6.7 million in equity financing for expansion of its biomass and biogas power plant activities in Central and Eastern Europe. The company is currently completing construction of a 5.5 MW (nominal) woodchip fired biomass facility in northern Austria and has a total of over 150 MW of biomass and biogas combined heat and power (CHP) projects across Central Europe in the pipeline. Cycleenergy Biopower [*.pdf] - June 12, 2007.

    The government of Taiwan unveils its plan to promote green energy, with all government vehicles in Taipei switching to E3 ethanol gasoline by September and biofuel expected to be available at all gas stations nationwide by 2011. Taipei Times - June 12, 2007.

    A large-scale biogas production project is on scheme in Vienna. 17,000 tonnes of organic municipal waste will be converted into biogas that will save up to 3000 tonnes of CO2. 1.7 million cubic meters of biogas will be generated that will be converted into 11.200 MWh of electricity per year in a CHP plant, the heat of which will be used by 600 Viennese households. The €13 million project will come online later this year. Wien Magazine [*German] - June 11, 2007.

    The annual biodiesel market in Bulgaria may grow to 400 000 tons in two to three years, a report by the Oxford Business Group says. The figure would represent a 300-per cent increase compared to 2006 when 140 000 tons of biodiesel were produced in Bulgaria. This also means that biofuel usage in Bulgaria will account for 5.75 per cent of all fuel consumption by 2010, as required by the European Commission. A total of 25 biofuel producing plants operate in Bulgaria at present. Sofia Echo - June 11, 2007.

    The Jordan Biogas Company in Ruseifa is currently conducting negotiations with the government of Finland to sell CER's under the UN's Clean Development Mechanism obtained from biogas generated at the Ruseifa landfill. Mena FN - June 11, 2007.

    Major European bank BNP Paribas will launch an investment company called Agrinvest this month to tap into the increased global demand for biofuels and rising consumption in Asia and emerging Europe. CityWire - June 8, 2007.

    Malaysian particleboard maker HeveaBoard Bhd expects to save some 12 million ringgit (€2.6/US$3.4 million) a year on fuel as its second plant is set to utilise biomass energy instead of fossil fuel. This would help improve operating margins, group managing director Tenson Yoong Tein Seng said. HeveaBoard, which commissioned the second plant last October, expects capacity utilisation to reach 70% by end of this year. The Star - June 8, 2007.

    Japan's Itochu Corp will team up with Brazilian state-run oil firm Petroleo Brasileiro SA to produce sugar cane-based bioethanol for biofuels, with plans to start exporting the biofuel to Japan around 2010. Itochu and Petrobras will grow sugarcane as well as build five to seven refineries in the northeastern state of Pernambuco. The two aim to produce 270 million liters (71.3 million gallons) of bioethanol a year, and target sales of around 130 billion yen (€800million / US$1billion) from exports of the products to Japan. Forbes - June 8, 2007.

    Italian refining group Saras is building one of Spain's largest flexible biodiesel plants. The 200,000 ton per year factory in Cartagena can handle a variety of vegetable oils. The plant is due to start up in 2008 and will rely on European as well as imported feedstocks such as palm oil. Reuters - June 7, 2007.

    The University of New Hampshire's Biodiesel Group is to test a fully automated process to convert waste vegetable oil into biodiesel. It has partnered with MPB Bioenergy, whose small-scale processor will be used in the trials. UNH Biodiesel Group - June 7, 2007.

    According to the Barbados Agricultural Management Company (BAMC), the Caribbean island state has a large enough potential to meet both its domestic ethanol needs (E10) and to export to international markets. BAMC is working with state actors to develop an entirely green biofuel production process based on bagasse and biomass. The Barbados Advocate - June 6, 2007.

    Energea, BioDiesel International and the Christof Group - three biodiesel producers from Austria - are negotiating with a number of Indonesian agribusiness companies to cooperate on biodiesel production, Austrian Commercial Counselor Raymund Gradt says. The three Austrian companies are leading technology solution providers for biodiesel production and currently produce a total of 440,000 tons of biodiesel per annum in Austria, more than half of their country’s annual demand of around 700,000-800,000 tons. In order to meet EU targets, they want to produce biodiesel abroad, where feedstocks and production is more competitive. BBJ - June 6, 2007.

    China will develop 200 million mu (13.3 million hectares) of forests by 2020 in order to supply the raw materials necessary for producing 6 million tons of biodiesel and biomass per year, state media reported today. InterFax China - June 6, 2007.

    British Petroleum is planning a biofuel production project in Indonesia. The plan is at an early stage, but will involve the establishment of an ethanol or biodiesel plant based on sugarcane or jatropha. The company is currently in talks with state-owned plantation and trading firm Rajawali Nusantara Indonesia (RNI) as its potential local partner for the project. Antara - June 6, 2007.

    A pilot project to produce biodiesel from used domestic vegetable oil is underway at the Canary Technological Institute in Gran Canaria. Marta Rodrigo, the woman heading up the team, said the project is part of the EU-wide Eramac scheme to encourage energy saving and the use of renewable energy. Tenerife News - June 6, 2007.

    Royal Dutch Shell Plc is expanding its fuel distribution infrastructure in Thailand by buying local petrol stations. The company will continue to provide premium petrol until market demand for gasohol (an petrol-ethanol mixture) climbs to 70-90%, which will prove customers are willing to switch to the biofuel. "What we focus on now is proving that our biofuel production technology is very friendly to engines", a company spokesman said. Bangkok Post - June 5, 2007.

    Abraaj, a Dubai-based firm, has bought the company Egyptian Fertilizers in order to benefit from rising demand for crops used to make biofuels. The Abraaj acquisition of all the shares of Egyptian Fertilizers values the company based in Suez at US$1.41 billion. Egyptian Fertilizers produces about 1.25 million tons a year of urea, a nitrogen-rich crystal used to enrich soils. The company plans to expand its production capacity by as much as 20 percent in the next two years on the expected global growth in biofuel production. International Herald Tribune - June 4, 2007.

    China and the US will soon sign a biofuel cooperation agreement involving second-generation fuels, a senior government official said. Ma Kai, director of the National Development and Reform Commission, said at a media briefing that vice premier Wu Yi discussed the pact with US Secretary of Energy Samuel Bodman and other US officials during the strategic economic dialogue last month. Forbes - June 4, 2007.

    German biogas company Schmack Biogas AG reports a 372% increase in revenue for the first quarter of the year, demonstrating its fast growth. Part of it is derived from takeovers. Solarserver [*German] - June 3, 2007.

    Anglo-Dutch oil giant Royal Dutch Shell PLC has suspended the export of 150,000 barrels per day of crude oil because of community unrest in southern Nigeria, a company spokesman said. Villagers from K-Dere in the restive Ogoniland had stormed the facility that feeds the Bonny export terminal, disrupting supply of crude. It was the second seizure in two weeks. Shell reported on May 15 that protesters occupied the same facility, causing a daily output loss of 170,000 barrels. Rigzone - June 2, 2007.

    Heathrow Airport has won approval to plan for the construction of a new 'green terminal', the buildings of which will be powered, heated and cooled by biomass. The new terminal, Heathrow East, should be completed in time for the 2012 London Olympics. The new buildings form part of operator BAA's £6.2bn 10-year investment programme to upgrade Heathrow. Transport Briefing - June 1, 2007.

    A new algae-biofuel company called LiveFuels Inc. secures US$10 million in series A financing. LiveFuels is a privately-backed company working towards the goal of creating commercially competitive biocrude oil from algae by 2010. PRNewswire - June 1, 2007.

    Covanta Holding Corp., a developer and operator of large-scale renewable energy projects, has agreed to purchase two biomass energy facilities and a biomass energy fuel management business from The AES Corp. According to the companies, the facilities are located in California's Central Valley and will add 75 MW to Covanta's portfolio of renewable energy plants. Alternative Energy Retailer - May 31, 2007.

    Two members of Iowa’s congressional delegation are proposing a study designed to increase the availability of ethanol across the country. Rep. Leonard Boswell, D-Ia., held a news conference Tuesday to announce that he has introduced a bill in the U.S. House, asking for a US$2 million study of the feasibility of transporting ethanol by pipeline. Sen. Tom Harkin, D-Ia., has introduced a similar bill in the Senate. Des Moines Register - May 30, 2007.


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Thursday, June 14, 2007

Breakthrough in biorefining: scientists obtain high yields of HMF from sugar

It has been an elusive goal for the legion of green chemists working towards the creation of the bioeconomy: replace crude oil as the root source for plastic, fuels and scores of other industrial and household chemicals with inexpensive, nonpolluting renewable plant matter.

Scientists from the Pacific Northwest National Laboratory (PNNL) took a giant step closer to efficient biorefining this week, reporting in the June 15 issue of the journal Science that they have directly converted sugars ubiquitous in nature to an alternative source for those products that make oil so valuable, with very little of the residual impurities that have made the quest so daunting.

No one else has been able to convert glucose directly in high yields to a primary building block for fuel and polyesters. Using a novel non-acidic catalytic system containing metal chloride catalysts in a solvent capable of dissolving cellulose, the scientists succeeded in extracting HMF, obtaining yields of 70% for glucose and almost 90% for fructose.

The building block HMF, which stands for hydroxymethylfurfural, is a chemical derived from carbohydrates such as glucose and fructose and is viewed as a promising surrogate for petroleum-based chemicals to make biobased polyesters, biofuels and many other products typical of the bioeconmy (image, click to enlarge).
"This, in my view, is breakthrough science in the renewable energy arena. This work opens the way for fundamental catalysis science in a novel solvent." - J.M. White, IIC director and Robert A. Welch chair in materials chemistry at the University of Texas.
Glucose, in plant starch and cellulose, is nature's most abundant sugar. But getting a commercially viable yield of HMF from glucose has been very challenging. In addition to low yield until now, the conversion process always generates many different byproducts, including levulinic acid, making product purification expensive and uncompetitive with petroleum-based chemicals.

Z. Conrad Zhang, senior author who led the research and a scientist with the PNNL-based Institute for Interfacial Catalysis (IIC), together with former post-doc Haibo Zhao, and colleagues John Holladay and Heather Brown, all from PNNL, were able to coax HMF yields upward of 70 percent from glucose and nearly 90 percent from fructose while leaving only traces of acid impurities.

To achieve this, they experimented with a novel non-acidic catalytic system containing metal chloride catalysts in a solvent capable of dissolving cellulose. The solvent, called an ionic liquid, enabled the metal chlorides to convert the sugars to HMF. Ionic liquids provide an additional benefit: it is reusable, thus produces none of the wastewater in other methods that convert fructose to HMF:
:: :: :: :: :: :: :: :: :: :: :: :: :: :: :: ::

Metal chlorides belong to a class of ionic-liquid-soluble materials called halides, which in general work well for converting fructose to HMF but not so well when glucose is the initial stock. In fact, attempts at direct glucose conversion created so many impurities that it was simpler to start with the fructose, less common in nature than glucose.

Zhang and his team, working with a high-throughput reactor capable of testing 96 metal halide catalysts at various temperatures, discovered that a particular metal - chromium chloride - was by far the most effective at converting glucose to HMF with few impurities and, as such reactions go, at low temperature, 100 degrees centigrade.

The chemistry at work remains largely a mystery, Zhang said, but he suspects that metal chloride catalysts work during an atom-swapping phase that sugar molecules go through called mutarotation, in which an H (hydrogen) and OH (hydroxyl group) trade places.

The hydrogen-hydroxyl position-switch that allows the catalytic conversion was verified by nuclear magnetic resonance performed at the William R. Wiley Environmental Molecular Sciences Laboratory, a DOE national scientific user facility located at PNNL. During the swap, the molecule opens, Zhang said.

"The key is to take advantage of the open form to perform a hydride transfer through which glucose is converted to fructose."

Zhang's next step is to tinker with ionic solvents and metal halides combinations to see if he can increase HMF yield from glucose while reducing separation and purification cost.

"The opportunities are endless," Zhang said, "and the chemistry is starting to get interesting."

Image: Scientists have discovered the most effective method yet to convert glucose, found in plants worldwide and nature's most abundant sugar, to HFM, a chemical that can be broken into components for products now made from petroleum. Credit: Pacific Northwest National Laboratory

More information:

Eurekalert: Plastic that grows on trees - Fuel, polyester and other chemicals from biomass get a giant boost, PNNL team reports in the journal Science - June 14, 2007.

At the time of this release, the abstract for the article in Science was not yet available.

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