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Author:

Xia, Heng (Xia, Heng.) | Tang, Jian (Tang, Jian.) (Scholars:汤健) | Aljerf, Loai (Aljerf, Loai.) | Cui, Canlin (Cui, Canlin.) | Gao, Bingyin (Gao, Bingyin.) | Ukaogo, Prince Onyedinma (Ukaogo, Prince Onyedinma.)

Indexed by:

EI Scopus SCIE

Abstract:

Municipal solid waste incineration (MSWI) with grate technology is a widely applied waste-to-energy process in various cities in China. Meanwhile, dioxins (DXN) are emitted at the stack and are the critical environmental indicator for operation optimization control in the MSWI process. However, constructing a high-precision and fast emission model for DXN emission operation optimization control becomes an immediate difficulty. To address the above problem, this research utilizes a novel DXN emission measurement method using simplified deep forest regression (DFR) with residual error fitting (SDFR-ref). First, the high-dimensional process variables are optimally reduced following the mutual information and significance test. Then, a simplified DFR algorithm is established to infer or predict the nonlinearity between the selected process variables and the DXN emission concentration. Moreover, a gradient enhancement strategy in terms of residual error fitting with a step factor is designed to improve the measurement performance in the layer-by-layer learning process. Finally, an actual DXN dataset from 2009 to 2020 of the MSWI plant in Beijing is utilized to verify the SDFR-ref method. Comparison experiments demonstrate the superiority of the proposed method over other methods in terms of measurement accuracy and time consumption.

Keyword:

Dioxin emission Residual error fitting Soft-sensor measurement Municipal solid waste incineration (MSWI) Deep forest regression (DFR)

Author Community:

  • [ 1 ] [Xia, Heng]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Tang, Jian]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Cui, Canlin]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Xia, Heng]Beijing Lab Smart Environm Protect, Beijing 100124, Peoples R China
  • [ 5 ] [Tang, Jian]Beijing Lab Smart Environm Protect, Beijing 100124, Peoples R China
  • [ 6 ] [Cui, Canlin]Beijing Lab Smart Environm Protect, Beijing 100124, Peoples R China
  • [ 7 ] [Aljerf, Loai]Damascus Univ, Fac Sci, Dept Chem, Key Lab Organ Ind, Damascus, Syria
  • [ 8 ] [Gao, Bingyin]Beijing GaoAnTun Waste Energy CO LTD, Beijing, Peoples R China
  • [ 9 ] [Ukaogo, Prince Onyedinma]Abia State Univ, Dept Pure & Ind Chem, Analyt Environm Units, Uturu, Nigeria
  • [ 10 ] [Aljerf, Loai]Damascus Uinivers, Fac Sci, Damascus, Syria

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Source :

WASTE MANAGEMENT

ISSN: 0956-053X

Year: 2023

Volume: 168

Page: 256-271

8 . 1 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 33

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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