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Biodiesel production is the process of producing the biofuel, biodiesel, through the chemical reactions of transesterification and esterification. [1] This process renders a product (chemistry) and by-products. The fats and oils react with short-chain alcohols (typically methanol or ethanol). The alcohols used should be of low molecular weight.
Biodiesel is a liquid fuel composed of vegetable oils and or animal fats. To create the gasoline itself, these subsequent liquids are combined with alcohol. Biodiesel is used to fuel compression ignition engines, otherwise known as diesel engines. The most common product of biodiesel is B20, a 20:80 blend: 20% biodiesel to 80% petroleum diesel.
The methanol used in most biodiesel production processes is made using fossil fuel inputs. However, there are sources of renewable methanol made using carbon dioxide or biomass as feedstock, making their production processes free of fossil fuels. [75] A by-product of the transesterification process is the production of glycerol. For every 1 ...
Biofuel energy production, 2023 [96] Biofuel production by region Global biofuel production was 81 Mtoe in 2017 which represented an annual increase of about 3% compared to 2010. [ 7 ] : 12 In 2017, the US was the largest biofuel producer in the world producing 37 Mtoe, followed by Brazil and South America at 23 Mtoe and Europe (mainly Germany ...
The Alpena biorefinery plant in the USA. A biorefinery is a refinery that converts biomass to energy and other beneficial byproducts (such as chemicals). The International Energy Agency Bioenergy Task 42 defined biorefining as "the sustainable processing of biomass into a spectrum of bio-based products (food, feed, chemicals, materials) and bioenergy (biofuels, power and/or heat)". [1]
Catalytic fast pyrolysis is a fast process in which the cellulose is broken down to a liquid biofuel. In this approach the cellulose is heated to 500 degrees Celsius in less than one second in a chamber to break apart the molecules. The catalyst forms chemical reactions that remove oxygen bonds and form carbon rings
Grays Harbor Biodiesel Plant is the second largest biodiesel production facility in the United States, with an annual capacity of 100 million US gallons (380,000 m 3) per year. The facility is sited on a 12-acre (49,000 m 2 ) parcel of land at the Port of Grays Harbor , Washington .
For comparison, the total U.S. production capacity for biodiesel reached 2,240 million US gallons per year (8.5 × 10 ^ 6 m 3 /a) in 2007, although poor market conditions held 2007 production to about 450 million US gallons (1.7 × 10 ^ 6 m 3), according to the National Biodiesel Board (NBB). [32]