scholarly journals A Novel Stochastic Two-Stage DEA Model for Evaluating Industrial Production and Waste Gas Treatment Systems

2020 ◽  
Vol 12 (6) ◽  
pp. 2316
Author(s):  
Meiqiang Wang ◽  
Yingwen Chen ◽  
Zhixiang Zhou
Keyword(s):  
Industrial Production ◽  
High Speed ◽  
Production Efficiency ◽  
Industrial Sector ◽  
Two Stage ◽  
Gas Treatment ◽  
Dea Model ◽  
Waste Gas ◽  
Waste Gas Treatment ◽  
Desirable And Undesirable Outputs

In recent decades, the high-speed development in China has caused serious air pollution in China. The present paper proposes a stochastic data envelopment analysis (DEA) model based on a general two-stage structure with comprehensively considering the randomness in both desirable and undesirable outputs to calculate the environmental efficiency of the industry system. The new proposed model is more applicable to practical system, and is applied to evaluate the performance of production and waste gas treatment in the industrial sector for China’s regions along the “One Belt and One Road” in 2015. The results show that about half of the regions along “One Belt and One Road” in China are inefficient, where the performance on waste gas treatment is significantly worse than that of industrial production. Further, the managers should take different strategies for efficiency improvement in different areas because of the obvious differences in efficiency scores, in which the regions in the southeast area should pay more attention to improving waste gas treatment efficiency while that in the northwest area need to focus on industrial production efficiency.

scholarly journals Emission Reduction and Energy Performance Improvement with Different Regional Treatment Intensity in China

Energies ◽  
2019 ◽  
Vol 12 (2) ◽  
pp. 237 ◽  
Author(s):  
Xiangyu Teng ◽  
Danting Lu ◽  
Yung-ho Chiu
Keyword(s):  
Emission Reduction ◽  
Energy Performance ◽  
Industrial Sector ◽  
Gas Treatment ◽  
Waste Gas ◽  
Industrial Sectors ◽  
Waste Gas Treatment ◽  
Reduce Emissions ◽  
Emission Reduction Target ◽  
Regional Treatment

China’s industrial sector, which has a significant position in the world, is the main sector of China’s energy consumption and waste gas emission. China’s government has promulgated a Guiding Opinion, setting key regions to establish an emission reduction target of air pollutants during the 12th five year plan (2011–2015). Thus, there is a different regional treatment of industrial waste gas in China. This study considers the waste gas treatment expenditure as a new input and employs the non-radial directional distance function in the framework of the meta-frontier model to investigate the energy and emission reduction performance of China’s industrial sectors. The study is aimed at finding a significant and expanded technical gap between key and non-key regions in the energy and emission reduction efficiencies. The empirical result presents an effective method to improve the performance by increasing the emission treatment expenditure to reduce emissions.

The Research on Preparation Methods of Sludge-Based Adsorbent and its Application in Water Treatment

2013 ◽  
Vol 798-799 ◽  
pp. 1166-1169 ◽  
Author(s):  
Kun Huang ◽  
Bing Xin Du
Keyword(s):  
Sustainable Development ◽  
Sewage Sludge ◽  
Preparation Method ◽  
Research Direction ◽  
Excess Sludge ◽  
Preparation Methods ◽  
Gas Treatment ◽  
Waste Gas ◽  
Waste Gas Treatment ◽  
Process Of Urbanization

The accelerated process of urbanization and industrialization leads to the increase of sewage sludge production. The reuse of excess sludge which meets the idea of sustainable development is aimed to develop it into resources. Preparation of sludge-based adsorbents with various functions provides a new way for sludge utilization as a resource in China. The preparation method of sludge-based adsorbents and its application in wastewater and waste gas treatment are introduced. Suggestions about the research direction of sludge-based adsorbents in the future are point out.

Present Situation and Prospect of Metallurgical Waste Gas Pollution Control

2014 ◽  
Vol 540 ◽  
pp. 259-262
Author(s):  
Hui Li ◽  
Jing Long Liang
Keyword(s):  
Environmental Pollution ◽  
Pollution Control ◽  
Present Situation ◽  
Metallurgical Waste ◽  
Gas Treatment ◽  
Waste Gas ◽  
Toxic Gases ◽  
Management Measures ◽  
Waste Gas Treatment ◽  
At Home

The waste residue and gas in the process of smelting metals will produce a large number of environmental pollution, the waste gas contains large amounts of toxic gases, but also one of the main causes of fog and haze, analysis of the management measures on the metallurgical waste at home and abroad, analyzes the present situation of Chinese in waste gas treatment, put forward opinions and suggestions.

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