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首页> 外文期刊>Environmental Science & Technology >Life Cycle Greenhouse Gas Emissions of Current Oil Sands Technologies: GHOST Model Development and Illustrative Application
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Life Cycle Greenhouse Gas Emissions of Current Oil Sands Technologies: GHOST Model Development and Illustrative Application

机译：当前油砂技术的生命周期温室气体排放：GHOST模型开发和说明性应用

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摘要

A life cycle-based model, GHOST (GreenHouse gas emissions of current Oil Sands Technologies), which quantifies emissions associated with production of diluted bitumen and synthetic crude oil (SCO) is developed. GHOST has the potential to analyze a large set of process configurations, is based on confidential oil sands project operating data, and reports ranges of resulting emissions, improvements over prior studies, which primarily included a limited set of indirect activities, utilized theoretical design data, and reported point estimates. GHOST is demonstrated through application to a major oil sands process, steam-assisted gravity drainage (SAGD). The variability in potential performance of SAGD technologies results in wide ranges of "well-to-refinery entrance gate" emissions (comprising direct and indirect emissions): 18-41 g CO2eq/MJ SCO, 9-18 g CO2eq/MJ dilbit, and 13-24 g CO2eq/MJ synbit. The primary contributor to SAGD's emissions is the combustion of natural gas to produce process steam, making a project's steam-to-oil ratio the most critical parameter in determining GHG performance. The demonstration (a) illustrates that a broad range of technology options, operating conditions, and resulting emissions exist among current oil sands operations, even when considering a single extraction technology, and (b) provides guidance about the feasibility of lowering SAGD project emissions.
机译：建立了基于生命周期的模型GHOST（当前的油砂技术公司的温室气体排放量），该模型量化了与稀释沥青和合成原油（SCO）生产相关的排放量。 GHOST可以根据机密的油砂项目运营数据分析大量流程配置，并报告产生的排放范围，对先前研究的改进（主要包括有限的间接活动，利用理论设计数据，并报告点估算值。通过将其应用于主要的油砂工艺，蒸汽辅助重力排水（SAGD），可以证明GHOST。 SAGD技术潜在性能的可变性导致“从井到精炼厂入口”的排放范围很广（包括直接排放和间接排放）：18-41 g CO2eq / MJ SCO，9-18 g CO2eq / MJ dilbit，以及13-24 g CO2eq / MJ合成物。 SAGD排放的主要原因是天然气燃烧产生的过程蒸汽，使项目的汽/油比成为确定GHG性能的最关键参数。演示（a）说明，即使考虑使用单一开采技术，当前的油砂运营中仍存在广泛的技术选择，运行条件​​和所产生的排放，并且（b）为降低SAGD项目排放的可行性提供了指导。

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  • 来源
    《Environmental Science & Technology》 |2011年第21期|p.9393-9404|共12页
  • 作者

    Alex D. Charpentier; Oyeshola Kofoworola; Joule A. Bergerson; Heather L. MacLean;

  • 作者单位

    Department of Civil Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, Canada M5S IA4;

    Department of Civil Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, Canada M5S IA4;

    ISEEE Energy and Environmental Systems Group, Center for Environmental Engineering Research and Education, Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N IN4;

    Department of Civil Engineering, University of Toronto, 35 St. George Street, Toronto, Ontario, Canada M5S IA4,Department of Chemical Engineering and Applied Chemistry, School of Public Policy and Governance, University of Toronto,Toronto, Ontario, Canada M5S IA4;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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