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Application of artificial neural network and multiple linear regression in modeling nutrient recovery in vermicompost under different conditions
Authors
H Alidadi
A Altaee
+5 more
M Baziar
A Hosseinzadeh
S Jafarpour
AA Najafpoor
JL Zhou
Publication date
1 May 2020
Publisher
'Elsevier BV'
Doi
Cite
Abstract
© 2020 Elsevier Ltd Vermicomposting is one of the best technologies for nutrient recovery from solid waste. This study aims to assess the efficiency of Artificial Neural Network (ANN) and Multiple Linear Regression (MLR) models in predicting nutrient recovery from solid waste under different vermicompost treatments. Seven chemical and biological indices were studied as input variables to predict total nitrogen (TN) and total phosphorus (TP) recovery. The developed ANN and MLR models were compared by statistical analysis including R-squared (R2), Adjusted-R2, Root Mean Square Error and Absolute Average Deviation. The results showed that vermicomposting increased TN and TP proportions in final products by 1.5 and 16 times. The ANN models provided better prediction for TN and TP with R2 of 0.9983 and 0.9991 respectively, compared with MLR models with R2 of 0.834 and 0.729. TN and C/N ratio were key factors for TP and TN prediction by ANN with percentages of 17.76 and 18.33
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OPUS - University of Technology Sydney
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Last time updated on 20/04/2021