Powering the Future: Biofuels. Activity: Biodiesel production Describe the techniques used to produce biodiesel Carry out the conversion of vegetable.

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Powering the Future: Biofuels

Activity: Biodiesel production Describe the techniques used to produce biodiesel Carry out the conversion of vegetable oil to biodiesel Discuss the efficiency of biodiesel production and the uses of the by-products

To help combat climate change the UK has a target to reduce carbon emissions by 80% by % of the UK renewable energy could come from biomass heat and electricity by To meet the European Renewable Energy Directive, the UK is aiming for 10% of transport energy to be from renewable sources by % of the sustainable renewable road transport fuel used in the UK between April 2012 and April 2013 came from UK feedstocks. Facts and Figures

Oilseed rape is currently grown for use as a food crop as well as production of biofuels. In 2009 the UK biofuel produced from oilseed rape was13% of total biofuel feedstocks. Estimates suggest that it would require 40% of the UK arable land to produce 5% of the UK transport fuel from oilseed rape. It is therefore vital that research finds alternatives to current biofuels. © John Innes Centre

Oilseed rape exploding pods: Controlling pod shattering could lead to greatly increased yields of oilseed rape. © John Innes centre

Algae light microscope image: In order to develop biofuels from algae, research is being conducted to find suitable strains that produce high levels of oils, can tolerate heat and high concentrations of carbon dioxide, and are easy to harvest. © Plymouth Marine Laboratory

Bubble Columns: Microalgae can be grown in large bioreactors and continually harvested unlike crops or macroalgae. They could be grown using the waste carbon dioxide from industrial processes, power stations or waste treatment plants. The oil they produce can then be converted into liquid fuel. © Plymouth Marine Laboratory

Scanning Electron Microscope image of algae: Algae can harvest the power of the sun through photosynthesis and convert this into biomass including oil. They are fast growing and more efficient than plants at absorbing carbon dioxide. © Plymouth Marine Laboratory

Fluorescent staining of oil in algae: In order to develop algal biofuels research is being conducted to find suitable strains that produce high levels of oils, can tolerate heat and high concentrations of carbon dioxide, and are easy to harvest. © Plymouth Marine Laboratory

Method 1.Add 10 ml or 10 g of vegetable oil to a test tube or 15 ml centrifuge tube. 2.Add the contents of the tube containing the methanol/potassium hydroxide catalyst to the tube containing the vegetable oil and ensure the tube is properly sealed. 3.Carefully and slowly invert the tubes over 30 times to ensure adequate mixing for the conversion reaction. 4.Carefully observe the contents of the test tube. The biodiesel separates out in the top layer while a lower layer of glycerol gradually forms. 5.Label the tubes with the contents and your names.

Activity: Biodiesel production Describe the techniques used to produce biodiesel Carry out the conversion of vegetable oil to biodiesel Discuss the efficiency of biodiesel production and the uses of the by-products

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