02720nas a2200229   4500008004100000022001400041245011900055210006900174260007100243300001600314490000700330520185000337100002402187700001902211700002002230700002402250700002202274700002502296700002302321700002102344856012502365       2014                        eng d  a0888-588500aArtificial intelligence-based modeling of high ash coal gasification in a pilot plant scale fluidized bed gasifier0 aArtificial intelligencebased modeling of high ash coal gasificat  a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcDEC  a18678-186890 v533 a<p>The quality of coalespecially its high ash contentsignificantly affects the performance of coal-based processes. Coal gasification is a cleaner and an efficient alternative to the coal combustion for producing the syngas. The high-ash coals are found in a number of countries, and they form an important source for the gasification. Accordingly, in this study, extensive gasification experiments were conducted in a pilot-plant scale fluidized-bed coal gasifier (FBCG) using high-ash coals from India. Specifically, the effects of eight coal and gasifier process related parameters on the four gasification performance variables, namely CO+H-2 generation rate, syngas production rate, carbon conversion, and heating value of the syngas, were rigorously studied. The data collected from these experiments were used in the FBCG modeling, which was conducted by utilizing two artificial intelligence (AI) strategies namely genetic programming (GP) and artificial neural networks (ANNs). The novelty of the GP formalism is that it searches and optimizes both the form and parameters of an appropriate linear/nonlinear function that best fits the given process data. The original eight-dimensional input space of the FBCG models was reduced to three-dimensional space using the principal component analysis (PCA) and the PCA-transformed three variables were used in the AI-based FBCG modeling. A comparison of the GP and ANN-based models reveals that their output prediction accuracies and the generalization performance vary from good to excellent as indicated by the high training and test set correlation coefficient magnitudes lying between 0.92 and 0.996. This study also presents results of the sensitivity analysis performed to identify those coal and process related parameters, which significantly affect the FBCG process performance.</p>1 aPatil-Shinde, Veena1 aKukarni, Tejas1 aKulkarni, Rahul1 aChavan, Prakash, D.1 aSharma, Tripurari1 aSharma, Bijay, Kumar1 aTambe, Sanjeey, S.1 aKulkarni, B., D.  uhttps://library.ncl.res.in/content/artificial-intelligence-based-modeling-high-ash-coal-gasification-pilot-plant-scale-0