A Novel Hybrid CNN-LSTM Scheme for Nitrogen Oxide Emission Prediction in FCC Unit

Table 1

The setting of input and labels.

Data types	Key production factor types	Parameters	Unit
Input data	Raw materials	Nitrogen content	%
	Process control parameters of reactor	FCC reaction temperature	°C
		Catalyst/oil ratio	%
		Residence time	Second (s)
	Regeneration process control parameters	Regeneration way
		Dense bed temperature	°C
		Oxygen content in furnace	%
		Carbon monoxide concentration	% mg/m^3
	Catalyst species	Platinum CO combustion catalyst	—
		Nonplatinum CO combustion catalyst
Labels	NOx emission data		mg/m^3