Optimizing the early-stage of composting process emissions - artificial intelligence primary tests.

Journal: Scientific reports
PMID:

Abstract

Although composting has many advantages in treating organic waste, many problems and challenges are still associated with emissions, like NH, CO and HS, as well as greenhouse gases such as CO. One promising approach to enhancing composting conditions is using novel analytical methods based on artificial intelligence. To predict and optimize the emissions (CO, CO, HS, NH) during the early-stage of composting process machine learning (ML) models were utilized. Data about emissions from laboratory composting with compost's biochar with different incubation (50, 60, 70 °C) and biochar doses (0, 3, 6, 9, 12, 15% dry mass) were used for ML models selections and training. ML models such as acritical neural network (ANN, Bayesian Regularized Neural Network; R accuracy CO:0.71, CO:0.81, NH:0.95, HS:0.72) and decision tree (DT, RPART; R accuracy CO:0.69, CO:0.80, NH:0.93, HS:0.65) have demonstrated satisfactory results. The ML models to predict CO and HS during composting were demonstrated for the first time. Utilizing emission data to predict other noxious gases presents a cost-effective and expeditious alternative to the empirical analysis of compost properties.

Authors

  • Joanna Rosik
    Institute of Environmental Engineering, The Faculty of Environmental Engineering and Geodesy, Wrocław University of Environmental and Life Sciences, Grunwaldzki Square 24, Wrocław, 50-363, Poland.
  • Maciej Karczewski
    Department of Applied Mathematics, Wrocław University of Environmental and Life Sciences, Wroclaw, Poland.
  • Sylwia Stegenta-Dąbrowska
    Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 37a Chełmońskiego Str, Wrocław, 51-630, Poland. sylwia.stegenta-dabrowska@upwr.edu.pl.