| 中国产业部门的能耗强度特征及节能减排的分类实现路径 |
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| 引用本文： | 陈红敏.中国产业部门的能耗强度特征及节能减排的分类实现路径[J].资源科学,2009,31(7):1226-1232. |
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| 作者姓名： | 陈红敏 |
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| 作者单位： | 复旦大学环境科学与工程系,上海,200433 |
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| 基金项目： | 教育部哲学社会科学研究重大课题攻关项目：“节能减排与环境保护宏观政策研究”（编号：07JZD0008）。 |
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| 摘 要： | 产品生产过程中除了直接消耗能源之外，还有通过中间产品投入而产生的间接能源消耗。因此，仅仅依靠提高能源利用效率来进行节能减排，其作用是有限的，必须要综合考虑生产过程中对能源、物质投入的需求。本文通过投入产出方法分析了我国2002年各个产品部门单位产值的直接和间接能源消耗，发现大部分产品部门单位产值的间接能耗都大于直接能耗，即生产过程中的大量物质投入导致了大量的间接能源消耗。因此，要实现节能减排的目标，直接能耗高的部门要提高其能源利用效率，而间接能耗高的部门要提高其中间投入的利用效率，同时要推动低能耗的服务业的发展以及在全社会推进“减物质化”发展，减少物质消耗而导致的间接能源消耗，而这需要人力资本的大量积累以及服务业的发展。
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| 关 键 词： | 直接能耗 间接能耗 减物质化 人力资本 |
Analysis of Different Implementation Methods for Energy Conservation and Emission Reduction by Examining the Characteristics of Energy Intensity of Industrial Sectors |
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| CHEN Hongmin.Analysis of Different Implementation Methods for Energy Conservation and Emission Reduction by Examining the Characteristics of Energy Intensity of Industrial Sectors[J].Resources Science,2009,31(7):1226-1232. |
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| Authors: | CHEN Hongmin |
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| Abstract: | In addition to the direct consumption in the production, energy can also be consumed indirectly through intermediate products input. In other words, the intermediate products also consume energy in their production. Therefore, the effect of energy conservation and emission reduction can be limited by the sheer dependence on higher energy efficiency. Moreover, the energy input demand as well as the intermediate products input demand in the production should be considered accordingly. With the input-output method, the direct and indirect energy intensities of 27 different industrial sectors in China in 2002 are analyzed. The results show that in most sectors, the indirect energy intensity is larger than the direct energy intensity, and the large intermediate products input in the production phase results in such large indirect energy intensity. Therefore, special attention should be paid to the control of intermediate products input or materials input. As different sectors are characterized with different direct and indirect energy intensities, all the 27 sectors are classified into four categories according to the four combinations of different direct and indirect energy intensities, which are high/low direct energy intensities and high/low indirect energy intensity. From this point of view, different measures should be adopted for the sectors in different categories, in order to reach the energy conservation and emission reduction target. For the sectors with high direct energy intensity and low indirect energy intensity, it is necessary to improve the energy efficiency. For the sectors with high indirect energy intensity and low direct energy intensity, improving the intermediate input efficiency is prior to improving energy efficiency. For the sectors which are high in both direct and indirect energy intensities, both energy efficiency and intermediate input efficiency should be considered, and the sectors with low direct and indirect energy intensities should improve on the basis of their development. At the same time, it is necessary to promote the "dematerialization" process throughout China, which contributes most to the decrease of indirect energy consumption in the production by using less materials and intermediate products; and this largely depends on the accumulation of human capital and the development of service. |
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| Keywords: | Direct energy consumption Indirect energy consumption Dematerialization Human capital |
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