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首页> 外文期刊>Renewable energy >Identifying environmentally and economically optimal bioenergy plant sizes and locations: A spatial model of wood-based SNG value chains
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Identifying environmentally and economically optimal bioenergy plant sizes and locations: A spatial model of wood-based SNG value chains

机译：确定环境和经济上最佳的生物能源工厂的规模和位置：木质SNG价值链的空间模型

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摘要

The optimal size and location of bioenergy plants with regards to environmental and economic performance are assessed with a spatially explicit value chain model of the production of synthetic natural gas (SNC) from wood. It consists of several individual models for the availability, harvest, transportation, conversion of wood to SNG, electricity and heat and the use of these products to substitute non-renewable energy services. An optimization strategy is used to choose the optimal technology configuration for plant sizes from 5 to 200 MW and different locations for any desired weighting between the environmental performance based on life cycle assessment (LCA) and the economic performance. While the economic optima are found at plant sizes between 100 and 200 MW, the environmental optima are found in the range of 5-40 MW. This trade-off can be minimized at plant sizes above 25 MW according to the presented model. The most important driver of the environmental performance is the efficient substitution of non-renewable energy, which is a site-specific factor. In comparison to this, spatial factors such as wood availability, harvest, and transportation, have a smaller influence on the environmental performance, at least for a country of the size of Switzerland. The main drivers of the economic performance are the revenues from the sale of the SNG plant's products and the SNG production costs, but transportation and wood costs also play a role.
机译：利用环境明确的价值链模型，从木材生产合成天然气（SNC），可以评估生物能源工厂在环境和经济方面的最佳规模和位置。它由几个单独的模型组成，用于可用性，收获，运输，木材转化为SNG，电力和热能，以及使用这些产品替代不可再生能源服务。针对基于生命周期评估（LCA）的环境绩效与经济绩效之间的任何期望权重，使用优化策略为5至200 MW的电厂规模和不同位置选择最佳技术配置。尽管发现经济最佳的电厂规模在100至200 MW之间，但发现环境最佳的范围是5-40 MW。根据提出的模型，在大于25 MW的电厂规模时，这种折衷可以最小化。环境绩效的最重要驱动因素是不可再生能源的有效替代，这是特定地点的因素。与此相比，至少对于瑞士这样的国家而言，木材可获得性，采伐和运输等空间因素对环境绩效的影响较小。经济绩效的主要驱动力是销售SNG工厂产品的收入和SNG生产成本，但运输和木材成本也起着作用。

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  • 来源
    《Renewable energy》 |2014年第1期|57-68|共12页
  • 作者

    Bernhard Steubing; Isabel Ballmer; Martin Gassner; Leda Gerber; Luca Pampuri; Sandro Bischof; Oliver Thees; Rainer Zah;

  • 作者单位

    Technology and Society Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa), UEberlandstr. 129, 8600 Duebendorf, Switzerland,Institute of Environmental Engineering, Swiss Federal Institute of Technology (ETH) Zuerich, Schafmattstr. 6, 8093 Zuerich, Switzerland;

    Institute of Environmental Engineering, Swiss Federal Institute of Technology (ETH) Zuerich, Schafmattstr. 6, 8093 Zuerich, Switzerland,Research Unit Forest Resources and Management, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zuercherstrasse 111, 8903 Birmensdorf, Switzerland;

    Industrial Energy Systems Laboratory, Ecole Polytechnique Federate de Lausanne (EPFL), 1015 Lausanne, Switzerland;

    Industrial Energy Systems Laboratory, Ecole Polytechnique Federate de Lausanne (EPFL), 1015 Lausanne, Switzerland;

    Research Unit Forest Resources and Management, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zuercherstrasse 111, 8903 Birmensdorf, Switzerland,Department of Environmental Systems Science, Swiss Federal Institute of Technology (ETH) Zuerich, UniversitStstrasse 8-22, 8006 Zuerich, Switzerland;

    Research Unit Forest Resources and Management, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zuercherstrasse 111, 8903 Birmensdorf, Switzerland;

    Research Unit Forest Resources and Management, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zuercherstrasse 111, 8903 Birmensdorf, Switzerland;

    Technology and Society Laboratory, Swiss Federal Laboratories for Materials Science and Technology (Empa), UEberlandstr. 129, 8600 Duebendorf, Switzerland;

  • 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

    Bioenergy; Optimal size; Optimal location; Life cycle assessment; Energy wood; SNG;

    机译：生物能源最佳尺寸;最佳位置;生命周期评估;能源木;SNG;

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