Brazilian soybean biodiesel emits 70% less greenhouse gases than fossil diesel

BiodieslBiomassa & Bioenergia – The Brazilian biodiesel produced from soybeans reduces emissions by 70%, at least compared to fossil diesel, when consumed within the country. If delivered for consumption in Europe, emits between 65% and 68% less greenhouse gases (GHG).
The conclusion of a new study commissioned by the Brazilian Association of Vegetable Oil Industries (Abiove), in partnership with the Association of Corn and Soybean Producers of Mato Grosso (APROSOJA / MT) and Brazilian Biodiesel Union and biokerosene (UBRABIO ). The survey was conducted by Delta CO2, a company incubated by EsalqTec, the College of Agriculture Luiz de Queiroz (Esalq / USP).
Presented yesterday, Thursday (31/01), the Civil House of the Presidency of the Republic, national coordinator of the National Program for Production and Use of Biodiesel (PNPB), the study is another step of biodiesel producers to reinforce the positives biofuel and advantages of the present government to increase from the current 5% blending with fossil diesel. Among the benefits include: reducing the impact of pollution on life expectancy of the population, reducing Brazilian dependence on imported diesel and the generation of employment and income. All this with little significant impact on inflation.
Methodology – The researchers used information from the Delta CO2 of 114 farms and five processing plants and producing soy biodiesel. Today, soy oil is about 80% of total production of biodiesel in Brazil, followed by the tallow and cottonseed oil.
The methodology, which follows international standard, took into account the emissions of CO2 equivalent over the entire production chain, from the planting and cultivation of soybeans, through processing oil, biodiesel production and transportation of the biofuel to the end consumer . Among the main sources of agricultural emissions are soybean crop residues, fuel used for planting and harvesting, fertilizers, lime and pesticides. The study also takes into account that the production of soybean oil and biodiesel entering chemical inputs account for GHG emissions. In addition, emissions are recorded from the transport biodiesel.
Transportation and emissions – the study works with alternative scenarios of product delivery. We present emission values for distances, for example, the Mato Grosso to the interior of São Paulo (Paulínia) and to the port of Rotterdam in Holland. In the first case, the numbers indicate the order of 24.5 emission gCO2eq./MJ biodiesel produced. Have to produce and take biodiesel to Europe, emissions range from 26.5 to 29.2 gCO2eq./MJ biodiesel, due to increased shipping. The levels of emissions to production and transportation of biodiesel in the country vary according to the system of cultivation, industrial technology employed and the degree of production integration.
The account of transporting biodiesel to Rotterdam is necessary so that the estimates are compared to the values used as a basis for the European Directive on Renewable Energy. The official figures show that the mineral diesel, also within Europe, biodiesel emits 83.8 gCO2eq./MJ. Thus, it is concluded that Brazilian biodiesel produced from soybean oil emits between 65% and 68% TG less than fossil diesel, which satisfies the most stringent requirements to reduce emissions newly determined by the European Directive.

Source and Photo: Biomassa & Bioenergia, 1st February, 2013
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