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首页> 外文期刊>Annals of Operations Research >China's regional energy and carbon dioxide emissions efficiency evaluation with the presence of recovery energy: an interval slacks-based measure approach
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China's regional energy and carbon dioxide emissions efficiency evaluation with the presence of recovery energy: an interval slacks-based measure approach

机译：存在回收能源的中国区域能源和二氧化碳排放效率评估：基于间隔松弛的度量方法

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摘要

Recovery energy has been one of important components of energy consumption structure in China. Recovery energy is a type of secondary energy, which is generated from various sources. Since the estimation of recovery energy from some sources such as coke oven gas and other coal gas contains some uncertainties, recovery energy can be represented as an interval variable. The extant studies in the literature ignore recovery energy in the evaluation of energy efficiency or carbon dioxide () emissions efficiency. As a part of energy supply in China, recovery energy may influence regional primary energy consumption and emissions significantly. In this context, this paper proposes an interval slacks-based measure approach to evaluate energy efficiency and emissions efficiency in the presence of recovery energy in China. In the described approach, the indicator of emissions is incorporated based on the weak disposability assumption, and recovery energy is modeled as a dual factor. The optimal exact data on recovery energy of each region can be obtained. Based on the proposed approach, the measures of energy saving potential and emissions reduction potential are derived. Findings resulting from the model application show that there are great disparities in regional efficiencies, and the inefficiency of Chinese regions is largely driven by those inefficient regions in the central and western areas. Notably, the development of recovery energy can help to improve regional energy efficiency and emissions efficiency in China.
机译：回收能源一直是中国能源消费结构的重要组成部分之一。回收能量是一种二次能量，可以从各种来源产生。由于从某些来源（如炼焦炉煤气和其他煤气）中回收能量的估算包含一些不确定性，因此回收能量可以表示为区间变量。文献中的现有研究在评估能效或二氧化碳（）排放效率时忽略了回收能量。作为中国能源供应的一部分，回收能源可能会显着影响该地区的一次能源消耗和排放。在这种情况下，本文提出了一种基于间隔松弛的度量方法，以评估中国存在回收能源时的能效和排放效率。在所描述的方法中，基于弱可处置性假设并入了排放指标，并将回收能量建模为双重因素。可以获得关于每个区域的回收能量的最佳精确数据。基于所提出的方法，得出了节能潜力和减排潜力的措施。通过模型应用得出的结果表明，区域效率差异很大，而中国地区的效率低下很大程度上是由中西部地区的效率低下驱动的。值得注意的是，开发可再生能源可以帮助改善中国的区域能效和排放效率。

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