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Boqiang Lin - One of the best experts on this subject based on the ideXlab platform.

  • carbon emissions in china s cement Industry a sector and policy analysis
    Renewable & Sustainable Energy Reviews, 2016
    Co-Authors: Boqiang Lin, Zihan Zhang
    Abstract:

    Abstract This paper analyzed the changes in carbon-dioxide (CO2) emission in China׳s cement Industry over the period 1991–2010. Logarithmic Mean Divisia Index (LMDI) was applied for the decomposition analysis. Five determinants were examined and the results divided into five time intervals, according to China׳s five-year economic plans. The results show that labor productivity was the major driving force of increase in CO2 emission in China׳s cement Industry, and energy intensity was the major contributor to CO2 emission reduction. The other three factors also generated certain level of effects. This article provides some policy suggestions which could be adopted to reduce CO2 emission in this Energy-Intensive Industry.

  • carbon emissions from energy intensive Industry in china evidence from the iron steel Industry
    Renewable & Sustainable Energy Reviews, 2015
    Co-Authors: Boqiang Lin, Xiaolei Wang
    Abstract:

    Abstract The iron & steel Industry is one of the major industrial sectors of energy consumption and CO 2 emissions in China. In this paper, we estimate the total factor CO 2 emissions performance (TFCP) and the CO 2 emission mitigation potential (CMP) in China׳s iron & steel sector using the stochastic frontier analysis technique. During the period of 2000–2011, the average TFCP of China׳s iron & steel Industry was 0.780, the cumulative CMP was 835.32 million tons in 12 years, and the average annual CMP was 69.61 million tons. Regional analysis showed that the TFCP is high in the northeastern and eastern regions but low in the central and western inland regions. Since the CMP is affected not only by TFCP, but also by the actual CO 2 emissions, both the eastern and western regions have the greatest potential for reducing CO 2 emissions. For the eastern region, the realization of the CMP relies on structural reform and government regulation; while for the western region, policies should focus on changing the production pattern and reducing efficiency loss. For all the regions in China, mitigating CO 2 emissions should place more emphasis on technical innovation and low-carbon investment.

  • Energy conservation of electrolytic aluminum Industry in China
    Renewable & Sustainable Energy Reviews, 2015
    Co-Authors: Boqiang Lin
    Abstract:

    The electrolytic aluminium Industry is a typical Energy-Intensive Industry, and one of the six largest energy-consuming industries in China. The energy consumption of China’s electrolytic aluminium Industry (CEAI) in 2011 accounted for 0.91% of China’s total energy consumption and 22.7% of the total energy consumption of the non-ferrous metal Industry. In consideration of the bulk of energy used in the smelting process in the non-ferrous metal Industry, CEAI assumes the corresponding obligation of energy conservation and emissions reduction. Using the co-integration method, the long-term equilibrium relationship among the energy consumption of CEAI, output, electricity price and average enterprise scale is obtained. Thereafter the Monte-Carlo simulation is used to forecast energy consumption and energy conservation potential of CEAI under different energy conservation scenarios, and conduct risk analysis. The research shows that increase in the price of electricity and enterprise scale is helpful to reducing the total energy consumption of CEAI. The future energy conservation potential of CEAI is large. According to the result of the analysis the energy conservation potential of CEAI in 2020 will reach 30.51Mtce under the moderate energy conservation scenario and 49.93Mtce under the advanced energy conservation scenario. Some corresponding policy suggestions are recommended in this paper.

  • a stochastic frontier analysis of energy efficiency of china s chemical Industry
    Journal of Cleaner Production, 2015
    Co-Authors: Boqiang Lin, Houyin Long
    Abstract:

    As an Energy-Intensive Industry, China's chemical Industry consumed 347.1 million ton coal equivalent of energy in 2011, which was equal to the sum of the overall energy consumption of Uzbekistan and Czech Republic. Thus, it is crucial to analyze the Industry's energy efficiency and energy saving potential. In this paper, we adopt the stochastic frontier analysis to study the average energy efficiency and energy saving potential of the chemical Industry based on the assumption of the trans-log production function. The results show that energy price and enterprise scale are conducive for the improvement of energy efficiency while ownership structure has an opposite effect. The average energy efficiency in China was 0.6897 during 2005–2011, with Shanghai having the highest and Shanxi the lowest. In addition, the energy efficiency of East China was higher than that of West and Central China, and the energy efficiency gap between the Eastern and the Western regions was widening. The results also show that China's energy saving potential was 89.42 million ton coal equivalent, with Shanxi having the highest, followed by Inner Mongolia. Moreover, the energy saving potential of East China was the largest. Finally, we provide policy recommendations for energy efficiency improvement in China's chemical Industry.

Xuehao Feng - One of the best experts on this subject based on the ideXlab platform.

  • price determination in the electrolytic aluminum Industry the role of electricity prices
    Resources Policy, 2018
    Co-Authors: Wenming Shi, Ganggang Wang, Xu Zhao, Xuehao Feng
    Abstract:

    As a typical Energy-Intensive Industry, the cost of electricity constitutes more than 40% of the total production cost of electrolytic aluminum in the China's electrolytic aluminum Industry, suggesting the presence of co-movements between electricity prices and electrolytic aluminum prices. However, in the case of China, the common belief that electricity prices and electrolytic aluminum prices are correlated was not supported by the observed inconsistent frequent changes over the last decade, particularly after the 2008 financial crisis. To account for such inconsistency, this paper explores the incomplete transmission of electricity prices to electrolytic aluminum prices by employing a structural demand-supply model where market power, rotated demand, and quantity-dependent marginal cost in the electrolytic aluminum Industry are incorporated. Empirical results show that there is a relatively stronger transmission effect of electricity prices on marginal cost of producing electrolytic aluminum but a much weaker transmission effect on the equilibrium price of electrolytic aluminum. Results from decompositions of electrolytic aluminum prices and marginal cost not only confirm the presence of incomplete price transmission, but also reject two conventional explanations concerning market power and input costs. In addition, a potential theoretical explanation is proposed to facilitate understanding the evolution of electrolytic aluminum prices.

Tsuyoshi Fujita - One of the best experts on this subject based on the ideXlab platform.

  • investigation of the residual heat recovery and carbon emission mitigation potential in a chinese steelmaking plant a hybrid material energy flow analysis case study
    Sustainable Energy Technologies and Assessments, 2013
    Co-Authors: Hui Zhang, Liang Dong, Huiquan Li, Bo Chen, Qing Tang, Tsuyoshi Fujita
    Abstract:

    Abstract As an energy intensive Industry, China’s iron/steel Industry faces the challenge of energy conservation and carbon emission reduction. Energy efficiency, especially residual heat recovery is a critical issue. China is promoting a circular economy strategy in the iron/steel Industry, technology upgrading and industrial symbiosis make the material and energy flows more complicated. In order to quantify the energy flows and the related residual heat recovery and carbon emission mitigation potential, this study proposes a hybrid material and energy flow analysis approach at company level. We analyze the material based energy flow routes and the transformation rules. Then, we develop an evaluation index to evaluate the specific energy consumption (SEC) and direct carbon dioxide (CO 2 ) emissions (DCE). Furthermore, a case study is conducted in a 10 million ton/year steelmaking plant in northern China. Results verified the effectiveness of the proposed approach. According to the results, the residual heat and carbon emission is mapped out graphically. Results highlight that the case company has 4.87 GJ/tons of crude steel residual heat recovery potential, equal to 26.08% of the total energy consumption. Finally, policy implications on the ever-improvement of residual heat utilization and the future research concerns are proposed and discussed.

Kaoru Sugihara - One of the best experts on this subject based on the ideXlab platform.

  • the second noel butlin lecture labour intensive industrialisation in global history
    Australian Economic History Review, 2007
    Co-Authors: Kaoru Sugihara
    Abstract:

    East Asian industrialisation has shown that modern Industry has occurred across different cultures under a variety of factor-endowment conditions. The global history of the diffusion of industrialisation over the past two centuries suggests two distinct routes. The first is the ‘Western path’ associated with capital- and Energy-Intensive Industry. The second path to creating a modern industrial economy is the ‘East Asian path’ based on labour-intensive industrialisation that has built on quality labour resources cultivated in the traditional sector. This was the path followed by Japan from the nineteenth century and by many other countries in Asia during the twentieth century.

  • the second noel butlin lecture labour intensive industrialisation in global history
    Australian Economic History Review, 2007
    Co-Authors: Kaoru Sugihara
    Abstract:

    East Asian industrialisation has shown that modern Industry has occurred across different cultures under a variety of factor-endowment conditions. The global history of the diffusion of industrialisation over the past two centuries suggests two distinct routes. The first is the 'Western path' associated with capital- and Energy-Intensive Industry. The second path to creating a modern industrial economy is the 'East Asian path' based on labour-intensive industrialisation that has built on quality labour resources cultivated in the traditional sector. This was the path followed by Japan from the nineteenth century and by many other countries in Asia during the twentieth century. Copyright 2007 The Author; Journal compilation Blackwell Publishing Asia Pty Ltd and the Economic History Society of Australia and New Zealand 2007.

Zongguo Wen - One of the best experts on this subject based on the ideXlab platform.

  • analysis of potential energy conservation and co2 emissions reduction in china s non ferrous metals Industry from a technology perspective
    International Journal of Greenhouse Gas Control, 2014
    Co-Authors: Zongguo Wen
    Abstract:

    Abstract As the world's largest producer and consumer of ten kinds of non-ferrous metals, China's non-ferrous metals Industry accounts for 4.39% of total national energy consumption. It is an Energy-Intensive Industry that faces great challenges related to energy consumption and global climate change. Applying energy-efficient technologies may be a useful strategy for the development of this Industry. This paper establishes a technology system within the LEAP model to estimate energy conservation and CO 2 emissions abatement potentials for China's non-ferrous metals Industry in 2010–2020. Five smelting processes are considered for aluminum, copper, lead, zinc and magnesium. Three scenarios (BAU, LT and HT) are set to simulate different technological policies and calculate abatement potentials. The results indicate that energy consumption and CO 2 emissions will continue to grow rapidly as the sector develops. Energy consumption under the BAU scenario will reach 88.15 million tce in 2020, 61% higher than in 2010. A maximum of 7.73 million tce of energy can be saved and 36.86 million tons of CO 2 can be reduced under the strongest technology policy scenario (HT) compared to BAU. Energy conservation in aluminum, magnesium, zinc, copper and lead smelting processes account for 72.9%, 13.2%, 10.2%, 2.6% and 1.1% respectively of the total energy savings potential, while the CO 2 abatement potential mostly comes from aluminum, which accounts for 86% of the total. Targeted technology policies should be made for different metals: in the aluminum sector for instance, large scale aluminum electrolytic cells above 300 kA, new cathode structures and intelligent optimization control technologies could be employed; in the zinc Industry, direct leaching and long period electric-deposition could be utilized; in the magnesium Industry, new types of kilns could be introduced.

  • mode of circular economy in china s iron and steel Industry a case study in wu an city
    Journal of Cleaner Production, 2014
    Co-Authors: Zongguo Wen, Jining Chen, Zhichao Wen
    Abstract:

    The iron and steel Industry is a resource and energy intensive Industry; in China, it also produces high pollution and emissions. Therefore, the iron and steel Industry in China is inevitably developing a circular economy. This study focuses on private steel enterprises in China, whose annual pig iron output comprised more than half the total national output of 2010. Firstly, this study provides a historical perspective on the circular economy mode inherent in this sector, explains how significant reductions in energy consumption and pollutant emissions have been realized, and offers guidance for future initiatives. Then, the states of various circular economy development pathways for the Wu'an Iron and Steel Group (WISG), a typical private steel enterprise based in North China, are examined as a case study. To assess the circular economy of the WISG, an evaluation system used by this Industry to estimate circular economy performance-that is, a system that uses circular economy efficiency composite index (CEECI) values-is introduced. Our results indicate that the CEECI values of the WISG were 0.72 and 0.89 in 2007 and 2010, respectively, which were lower than those of the national large and medium-sized key iron and steel enterprises (NKISE) in China. Although the implementation of a circular economy has greatly enhanced the WISG with respect to reducing pollution, further measures, such as improving the utilization rates of coke oven gas, converter gas, and converter slag, as well as reducing sulfur dioxide emissions, are urgently required. The integration of these measures into the current circumstances is not only possible in the future but is inevitably essential to achieving sustainable development in the steel Industry. (C) 2013 Elsevier Ltd. All rights reserved.