Resources & Industries ›› 2024, Vol. 26 ›› Issue (2): 111-123.DOI: 10.13776/j.cnki.resourcesindustries.20240305.002

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STRUCTURAL OPTIMIZATION OF JIANGSU’S CHEMICAL INDUSTRY CONSTRAINED BY CARBON REDUCTION AND WATER ECOLOGICAL CARRYING CAPACITY

CHEN Junfei1, 2, 3 , CHE Yajing1 , GU Yan1 , DING Tonghui1   

  1. (1 Business School, Hohai University, Nanjing 211100, China; 2 Institute of Yangtze River Protection and Green Development, Nanjing 210098, China;3 Jiangsu Research Base of Yangtze River Protection and Quality Development, Nanjing 210098, China)

  • Received:2023-10-09 Revised:2024-01-09 Online:2024-04-20 Published:2024-04-20

碳减排和水生态承载双重约束下的江苏化工产业结构优化研究

陈军飞1,2,3 ,车雅静1 ,顾 岩1 ,丁童慧1   

  1. 河海大学 商学院,江苏 南京 211100长江保护与绿色发展研究院,江苏 南京 210098江苏长江保护与高质量发展研究基地,江苏 南京 210098

  • 通讯作者: 车雅静,硕士生,主要从事资源与环境管理研究。E-mail:211313030014@hhu.edu.cn
  • 作者简介:陈军飞,博士、教授,主要从事资源与环境管理研究。E-mail: chenjunfei@hhu.edu.cn
  • 基金资助:
    江苏省社会科学基金重点项目(21GLA006);国家自然科学基金项目(42071278);国家重点研发计划项目(2019YFC0409000)。


Abstract:

Yangtze River economic zone, as China’s key strategic zone, is closely related to national development by its ecological restoration and resources use. Jiangsu’s chemical industry, an intensive polluting and resources-depleting industry, needs to properly handle industrial development and resources & environmental protection, which is of significance to protect Yangtze River and realize carbon reduction. This paper establishes a multiple-objective optimization model of chemical industry under dual constraints of carbon reduction and water ecological carrying capacity, and applies NSGA-II-VIKOR algorithm to discuss the way to adjust Jiangsu’s chemical industrial structure. Balanced development scenario, compared with low-carbon, water-saving and economic development scenarios, can save water of 998.48×104  m3 , reduce carbon emission intensity by 4.27%, and make GDP rising rate up to 4.73% on the basis of benchmark year 2017. Water resources are used efficiently and carbon emission is largely reduced, while economy gains high-quality development. Chemical industrial structure needs to be adjusted through developing rubber and plastics, limiting petroleum processing, coking coal and nuclear fuel processing, using water-saving and carbon-reducing measures in chemical fiber manufacturing. Optimization of chemical industry needs to promote clean energy and reform energy consuming structure, with coal use down by 5.54% and gas & electricity use up by 5.45%. Water resources allocation should be consistent with industrial structural adjustment, which can save water by 9.8% in petroleum processing, coking coal and nuclear fuel processing, and 5.14% in chemical fiber manufacturing, which can be transferred to rubber and plastics sector. This paper presents suggestions on increasing regional ecological carrying capacity to realize high-quality development, establishing clean energy consuming system to raise energy efficiency, developing water-saving industries to materialize a coordinated sustainability in industrial development and water ecology.

Key words: carbon reduction, water ecological carrying capacity, chemical industry, multiple objective optimization, industrial structure

摘要: 长江经济带作为重大国家战略发展区域,其生态修护和资源合理高效利用关系国家发展全局。江苏化工产业为污染密集型和资源消耗型产业,妥善处理产业发展和资源环境保护的矛盾,对推动长江大保护以及实现协同减排目标具有重要意义。以江苏省化工产业为研究对象,2017年为基准年,构建碳减排和水生态承载双重约束下化工产业结构多目标优化模型,运用NSGA-Ⅱ-VIKOR算法,探讨不同情景下江苏化工产业结构调整的路径。结果表明:1)相比低碳发展型、节水发展型和经济发展型情景,均衡发展型情景下江苏化工产业节约用水998.48万m3,碳排放强度年下降率为4.27%,产值年增长率达到4.73%,在实现水资源高效利用、碳排放强度显著降低的同时,兼顾经济高质量发展。2)化工产业结构仍需调整,具体为支持发展橡胶和塑料制品业,限制发展石油加工、炼焦及核燃料加工业,重点针对化学纤维制造业采取节水降碳措施。3)优化结果的实现需要能源消费结构向清洁能源方向优化调整,煤炭消费比重下降5.54%,天然气及电力等清洁能源上涨5.45%。4)水资源配置转移方向基本和产业结构调整方向一致,通过水资源分配优化可使石油加工、炼焦及核燃料加工业和化学纤维制造业分别节约9.8%和5.14%的用水量,并通过水交易市场转移配置到橡胶和塑料制品业。据此,建议提升区域生态承载能力,实现区域高质量发展;构建清洁高效能源消费体系,提升能源利用率;建设节水型产业发展体系,实现产业与水生态全面协调、可持续发展。

关键词: 碳减排, 水生态承载力, 化工产业, 多目标优化, 产业结构

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