☆ 4.7 Article

Energy analysis and resources optimization of complex chemical processes: Evidence based on novel DEA cross-model

ENERGY (2021)

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期刊

ENERGY
卷 218, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2020.119508

关键词

Energy saving; Resources optimization; DEA cross-Model; Interpretative structural model; Analytic hierarchy process; Complex chemical processes

类别

Thermodynamics Energy & Fuels

资金

  1. National Natural Science Foundation of China [21978013, 61673046]
  2. Fundamental Research Funds for the Central Universities [XK1802-4]
  3. National Key Research and Development Program of China [2019YFB1503904]
  4. Science and Technology Major Project of Guizhou Province (Guizhou Branch) [[2018]3002]

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By utilizing a novel energy analysis and resource optimization model based on data envelopment analysis, interpretative structural model, and analytic hierarchy process, the proposed method can simplify input indicators and improve production efficiency in complex chemical processes.
Improving production efficiency and optimizing resources can accelerate the sustained and stable development of complex chemical processes. This paper presents novel energy analysis and resource optimization model based on data envelopment analysis cross-model integrated interpretative structural model and analytic hierarchy process to effectively simplify input indicators. The interpretative structural model can divide production data with many uncertain dimensions into some sub-elements with obvious hierarchical relationships. Then the sub-elements in the same layer are merged into a major element by the analytic hierarchy process method for further simplifying input indicators of the improved DEACM. At last, the proposed method is used to build the energy analysis and resource optimization model for PTA and ethylene production systems in complex chemical processes. In our experiments, the difference in efficiency values obtained by the proposed model is more significant and accurate. In addition, it can optimize production efficiency and guide ineffective production processes. The electrical conductivity of the purified terephthalic acid systems can reduce by 0.47%. And the ethylene production of the ethylene production systems can increase by 3.93%, and the carbon emissions of the ethylene production system can reduce by 25,297 tons approximately. (C) 2020 Elsevier Ltd. All rights reserved.

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