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美国能源部区域碳封存伙伴关系计划:碳管理的协作方法。

The United States Department of Energy's Regional Carbon Sequestration Partnerships program: a collaborative approach to carbon management.

作者信息

Litynski John T, Klara Scott M, McIlvried Howard G, Srivastava Rameshwar D

机构信息

National Energy Technology Laboratory, United States Department of Energy, Pittsburgh, PA 15236.

出版信息

Environ Int. 2006 Jan;32(1):128-44. doi: 10.1016/j.envint.2005.05.047. Epub 2005 Jul 28.

Abstract

This paper reviews the Regional Carbon Sequestration Partnerships (RCSP) concept, which is a first attempt to bring the U.S. Department of Energy's (DOE) carbon sequestration program activities into the "real world" by using a geographically-disposed-system type approach for the U.S. Each regional partnership is unique and covers a unique section of the U.S. and is tasked with determining how the research and development activities of DOE's carbon sequestration program can best be implemented in their region of the country. Although there is no universal agreement on the cause, it is generally understood that global warming is occurring, and many climate scientists believe that this is due, in part, to the buildup of carbon dioxide (CO(2)) in the atmosphere. This is evident from the finding presented in the National Academy of Science Report to the President on Climate Change which stated "Greenhouse gases are accumulating in Earth's atmosphere as a result of human activities, causing surface air temperatures and subsurface ocean temperatures to rise. Temperatures are, in fact, rising. The changes observed over the last several decades are likely mostly due to human activities, ...". In the United States, emissions of CO(2) originate mainly from the combustion of fossil fuels for energy production, transportation, and other industrial processes. Roughly one third of U.S. anthropogenic CO(2) emissions come from power plants. Reduction of CO(2) emissions through sequestration of carbon either in geologic formations or in terrestrial ecosystems can be part of the solution to the problem of global warming. However, a number of steps must be accomplished before sequestration can become a reality. Cost effective capture and separation technology must be developed, tested, and demonstrated; a database of potential sequestration sites must be established; and techniques must be developed to measure, monitor, and verify the sequestered CO(2). Geographical differences in fossil fuel use, the industries present, and potential sequestration sinks across the United States dictate the use of a regional approach to address the sequestration of CO(2). To accommodate these differences, the DOE has created a nationwide network of seven Regional Carbon Sequestration Partnerships (RCSP) to help determine and implement the carbon sequestration technologies, infrastructure, and regulations most appropriate to promote CO(2) sequestration in different regions of the nation. These partnerships currently represent 40 states, three Indian Nations, four Canadian Provinces, and over 200 organizations, including academic institutions, research institutions, coal companies, utilities, equipment manufacturers, forestry and agricultural representatives, state and local governments, non-governmental organizations, and national laboratories. These partnerships are dedicated to developing the necessary infrastructure and validating the carbon sequestration technologies that have emerged from DOE's core R&D and other programs to mitigate emissions of CO(2), a potent greenhouse gas. The partnerships provide a critical link to DOE's plans for FutureGen, a highly efficient and technologically sophisticated coal-fired power plant that will produce both hydrogen and electricity with near-zero emissions. Though limited to the situation in the U.S., the paper describes for the international scientific community the approach being taken by the U.S. to prepare for carbon sequestration, should that become necessary.

摘要

本文回顾了区域碳封存伙伴关系(RCSP)的概念,这是美国能源部(DOE)首次尝试通过对美国采用地理分布系统类型的方法,将其碳封存计划活动带入“现实世界”。每个区域伙伴关系都是独特的,覆盖美国的一个独特区域,并负责确定能源部碳封存计划的研发活动如何能在其所在地区得到最佳实施。尽管对于其成因尚无普遍共识,但人们普遍认为全球变暖正在发生,许多气候科学家认为这部分是由于大气中二氧化碳(CO₂)的积累。这从美国国家科学院提交给总统的关于气候变化的报告中的发现可以明显看出,该报告指出:“由于人类活动,温室气体正在地球大气中积累,导致地表气温和海洋次表层温度上升。事实上,气温正在上升。过去几十年观察到的变化很可能主要归因于人类活动,……”。在美国,CO₂排放主要源于用于能源生产、运输和其他工业过程的化石燃料燃烧。美国人为CO₂排放中约三分之一来自发电厂。通过将碳封存在地质构造或陆地生态系统中来减少CO₂排放可以成为解决全球变暖问题的一部分。然而,在封存成为现实之前必须完成一系列步骤。必须开发、测试和演示具有成本效益的捕获和分离技术;必须建立潜在封存地点的数据库;并且必须开发用于测量、监测和核实封存的CO₂的技术。美国各地化石燃料使用、现有产业以及潜在封存汇的地理差异决定了采用区域方法来解决CO₂的封存问题。为了适应这些差异,能源部创建了一个由七个区域碳封存伙伴关系(RCSP)组成的全国性网络,以帮助确定和实施最适合在美国不同地区促进CO₂封存的碳封存技术、基础设施和法规。这些伙伴关系目前代表40个州、三个印第安部落、四个加拿大省份以及200多个组织,包括学术机构、研究机构、煤炭公司、公用事业公司、设备制造商、林业和农业代表、州和地方政府、非政府组织以及国家实验室。这些伙伴关系致力于开发必要的基础设施,并验证能源部核心研发及其他项目中出现的碳封存技术,以减少强效温室气体CO₂的排放。这些伙伴关系为能源部的未来发电计划提供了关键联系,未来发电计划是一个高效且技术先进的燃煤发电厂,将产生近乎零排放的氢气和电力。尽管本文仅限于美国的情况,但它向国际科学界描述了美国在必要时为碳封存所采取的方法。

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