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Environmental sustainability of biodiesel in Brazil

机译：巴西生物柴油的环境可持续性

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摘要

Biodiesel production in Brazil has grown from 736 m~3 in 2007 to 2.7 Mm~3 in 2012. It is an emergent bioenergy for which it is important to guarantee environmental sustainability. The objective of this article is to characterise the biodiesel production chain in Brazil, to identify potential environmental impacts and to analyse key drivers and barriers for biodiesel environmental sustainability. This article explores these aspects and focusses on the increasing demand for the main feedstocks for biodiesel production in Brazil: soybean oil and beef tallow. The impacts of land use and land-use change on greenhouse gas emissions, biodiversity and water, as well as the energy balance, were found to be critical for the environmental sustainability assessment and development of biodiesel chains. Increasing agriculture yields, diversifying feedstocks and adopting ethyl transesterification can contribute to minimise environmental impacts. It was also found that environmental impacts could be mitigated by appropriate policies aiming at an integrated optimisation of food and bioenergy production and through agro-economic-ecological zoning, allowing adequate use of land for each purpose. Despite the limitation and weakness of some sustainability tools and initiatives, certification and zoning can play an important role in the sustainability of the emerging biodiesel production in Brazil.
机译：巴西的生物柴油生产已从2007年的736 m〜3增长到2012年的2.7 Mm〜3。这是一种新兴的生物能源，对于保证环境的可持续性至关重要。本文的目的是描述巴西生物柴油的生产链，确定潜在的环境影响并分析生物柴油环境可持续性的主要驱动因素和障碍。本文探讨了这些方面，并集中于对巴西生物柴油生产的主要原料（豆油和牛脂）需求的增长。人们发现，土地利用和土地利用变化对温室气体排放，生物多样性和水以及能源平衡的影响对于环境可持续性评估和生物柴油链的发展至关重要。提高农业产量，使原料多样化和采用乙基酯交换反应可以最大程度地减少对环境的影响。还发现，可以采取旨在综合优化粮食和生物能源生产的适当政策以及通过农业经济-生态分区来减轻对环境的影响，从而为每种目的充分利用土地。尽管某些可持续性工具和计划存在局限性和弱点，但认证和分区可以在巴西新兴生物柴油生产的可持续性中发挥重要作用。

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  • 来源
    《Energy Policy》 |2014年第2期|680-691|共12页
  • 作者

    Erica Geraldes Castanheira; Renata Grisoli; Fausto Freire; Vanessa Pecora; Suani Teixeira Coelho;

  • 作者单位

    ADAI-LAETA, Department of Mechanical Engineering, University of Coimbra, Polo Ⅱ Campus, Rua Luis Reis Santos, 3030-788 Coimbra, Portugal;

    CENBIO, Brazilian Reference Center on Biomass, Institute of Energy and Environment, University of Sao Paulo, Av. Prof Luciano Gualberto, 1289, 05508-010 Sao Paulo, Brazil;

    ADAI-LAETA, Department of Mechanical Engineering, University of Coimbra, Polo Ⅱ Campus, Rua Luis Reis Santos, 3030-788 Coimbra, Portugal;

    CENBIO, Brazilian Reference Center on Biomass, Institute of Energy and Environment, University of Sao Paulo, Av. Prof Luciano Gualberto, 1289, 05508-010 Sao Paulo, Brazil;

    CENBIO, Brazilian Reference Center on Biomass, Institute of Energy and Environment, University of Sao Paulo, Av. Prof Luciano Gualberto, 1289, 05508-010 Sao Paulo, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Soybean biodiesel; Sustainability assessment; Tallow biodiesel;

    机译：大豆生物柴油;可持续性评估;牛脂生物柴油;

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