中国有色金属产业链碳排放及碳减排潜力省际差异

doi:10.18402/resci.2021.04.10

资源科学 ›› 2021, Vol. 43 ›› Issue (4): 756-763.doi: 10.18402/resci.2021.04.10

中国有色金属产业链碳排放及碳减排潜力省际差异

屈秋实¹^,⁴, 王礼茂²^,³(), 王博²^,³, 向宁²^,³

1. 河北地质大学经济学院,石家庄 050031
2. 中国科学院地理科学与资源研究所,北京100101
3. 中国科学院大学资源与环境学院,北京 100049
4. 河北地质大学区域经济可持续发展研究中心,石家庄 050031

收稿日期:2020-06-22 修回日期:2020-11-12 出版日期:2021-04-25 发布日期:2021-06-25
通讯作者: 王礼茂,男,安徽巢湖人,研究员,主要从事能源经济与气候变化政策等方面的研究。E-mail: lmwang@igsnrr.ac.cn
作者简介:屈秋实,女,黑龙江鹤岗人,讲师,主要从事资源经济与资源政策管理方面的研究。E-mail: quqs.16b@igsnrr.ac.cn
基金资助:
国家重点研发计划项目(2016YFA0602800);国家自然科学基金项目(71991484);国家自然科学基金项目(71991481);河北省高等学校人文社会科学研究项目(SQ2021081)

Carbon emissions of China’s nonferrous metal industry from the view of industrial chain and provincial differences

QU Qiushi¹^,⁴, WANG Limao²^,³(), WANG Bo²^,³, XIANG Ning²^,³

1. School of Economics, Hebei University of Geosciences, Shijiazhuang 050031, China
2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
4. Regional Economic Sustainable Development Research Center, Hebei University of Geosciences, Shijiazhuang 050031, China

Received:2020-06-22 Revised:2020-11-12 Online:2021-04-25 Published:2021-06-25

摘要/Abstract

摘要：

有色金属工业作为高能耗、高排放的工业部门,低碳化是可持续发展的关键,也是中国实现2030碳达峰目标的重点行业之一。本文以有色金属产业链内各环节为研究重点,用CO₂排放量和碳排放强度等指标,对比分析中国省域有色金属不同生产环节碳排放时空演变特征;构建包含非期望产出的超效率DEA模型,通过求解目标函数最优值,测算出中国各省（区、市）有色金属不同生产环节潜在的碳减排规模。研究表明：①从产业链内部看,2006—2016年,有色金属采选业和冶炼及加工业CO₂排放量均处于增加状态,碳排放强度整体稳中有降。其中,有色金属冶炼及加工业是实现碳减排目标的重点部门,共有约7143万t的减排潜力,占有色金属工业碳减排总规模的90%以上。②从区域来看,在有色金属采选环节,四川省CO₂排放量较高,2016年约有97万t碳排放量的减排潜力,是有色金属采选业碳减排的重点省份。在冶炼及加工环节,广西省碳排放量和碳排放强度较高;山东省和河南省碳减排潜力较大,二省共占这一环节全国整体碳减排量的31%,潜在减排规模为1121万t和1122万t。③综合来看,内蒙古、河南和山东是有色金属工业碳减排需重点关注的地区,这三省有色金属冶炼及加工业的碳排放是整体有色金属工业碳减排目标实现的关键。通过量化评估有色金属不同生产环节和不同区域的碳减排潜力,不仅可为有色金属产业碳减排政策的制定提供依据,同时也可为各省碳减排政策的制定提供参考。

关键词: 碳排放, 减排潜力, 产业链, 时空差异, SBM模型, 有色金属, 中国

Abstract:

Nonferrous metal industry is one of the high energy consumption and emission sectors, also an important part of the realization of China’s 2030 carbon emission reduction target. Reducing carbon emissions is the key to develop the nonferrous metal industry sustainably. From the perspective of different sectors in the nonferrous metal industry, this study chose carbon emissions and carbon intensity to reveal the spatial and temporal differences in different sectors of the industry. The super efficiency slack-based measure-data envelopment analysis (SBM-DEA) model was built to evaluate the scale of carbon emission reduction. The research results show that: (1) From 2006 to 2016, the CO₂ emissions of non-ferrous metal mining, smelting and processing industries were all increasing, and the carbon emission intensity was stable with a decrease.Nonferrous metal smelting and processing industry is the key sector of the nonferrous metal industry to achieve the carbon emission reduction target, with a total emission reduction scale of about 71.43 MtCO₂, accounting for more than 90% of the total carbon emission reduction of nonferrous metal industry. (2) Due to the different geographical environment and production conditions, different provinces face different levels of carbon emission reduction. In the mining sector, Sichuan Province has a carbon emission reduction scale of about 0.97 MtCO₂ and needs to be paid more attention. In the smelting and processing sector, Guangxi province has high carbon emissions and carbon intensity. While Shandong and Henan Provinces own more carbon emission reduction potential, with a carbon emission reduction scale of about 11.21 MtCO₂ and 11.22 MtCO₂, respectively, together accounting for 31% of the total carbon emission reduction scale in this sector. (3) Above all, Inner Mongolia, Henan, and Shandong play more important role in the carbon emission reduction of the nonferrous metal industry in China. The nonferrous metal smelting and processing industry is important for reducing the carbon emissions in those provinces. The quantitative assessment of carbon emission reduction potential in different production sectors and regions of non-ferrous metals can not only provide a basis for the formulation of carbon emission reduction policies, but also provide a reference for the formulation of carbon emission reduction policies to provinces.

Key words: carbon emissions, carbon reduction potential, industrial chain, spatiotemporal differences, slack-based measure (SBM) model, nonferrous metals, China

屈秋实, 王礼茂, 王博, 向宁. 中国有色金属产业链碳排放及碳减排潜力省际差异[J]. 资源科学, 2021, 43(4): 756-763.

QU Qiushi, WANG Limao, WANG Bo, XIANG Ning. Carbon emissions of China’s nonferrous metal industry from the view of industrial chain and provincial differences[J]. Resources Science, 2021, 43(4): 756-763.

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	采选业				冶炼及加工业
年份	CO₂排放量/ 万t	CO₂排放量增速/%	碳排放强度/ （tCO₂/万元）	碳排放强度增速/%	CO₂排放量/万t	CO₂排放量增速/%	碳排放强度/ （tCO₂/万元）	碳排放强度增速/%
2006	210	-	0.13	-	5390	-	0.42	-
2007	330	0.57	0.15	0.12	6320	0.17	0.36	-0.16
2008	290	-0.12	0.11	-0.26	6990	0.11	0.34	-0.04
2009	370	0.28	0.14	0.24	8260	0.18	0.41	0.20
2010	420	0.14	0.11	-0.17	9560	0.16	0.35	-0.16
2011	470	0.12	0.10	-0.15	8700	-0.09	0.25	-0.29
2012	530	0.13	0.10	-0.01	9280	0.07	0.14	-0.45
2013	460	-0.13	0.08	-0.21	9870	0.06	0.23	0.70
2014	540	0.17	0.09	0.13	10950	0.11	0.24	0.03
2015	589	0.09	0.09	0.09	10034	-0.08	0.22	-0.09
2016	417	-0.29	0.07	-0.29	12185	0.21	0.24	0.15

中国有色金属产业链碳排放及碳减排潜力省际差异

Carbon emissions of China’s nonferrous metal industry from the view of industrial chain and provincial differences

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