Fig. 1: The REEs concentrations and proportion in fine particulate matter (PM) from 13 industrial activities. | Nature Communications

Fig. 1: The REEs concentrations and proportion in fine particulate matter (PM) from 13 industrial activities.

From: Atmospheric emissions of fine particle matter bound rare earth elements from industry

Fig. 1: The REEs concentrations and proportion in fine particulate matter (PM) from 13 industrial activities.The alternative text for this image may have been generated using AI.

a The REEs concentrations in fine PM from 13 industrial sectors. b Distribution of light REEs (LREEs), medium REEs (MREEs) and heavy REEs (HREEs) in industrial PM samples. LREEs = (La + Ce + Pr + Nd + Sm), MREEs = (Eu + Gd + Tb + Dy + Y), HREEs = (Ho + Er + Tm + Yb + Lu); Critical REEs = (Nd + Eu + Tb + Dy + Er + Y); BFI blast-furnace pig iron, CFPP coal-fired power plant, CK cement kiln co-processing solid waste, COP coking plant, EAF electric-arc furnace steelmaking, HWI hazardous-waste incineration, IOS iron-ore sintering, PCu Primary copper smelting, SAl secondary aluminum smelting, SCu secondary copper smelting, SPb secondary lead smelting, SZn secondary zinc smelting, WI municipal solid-waste incineration.

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