Correction to: Environmental Science and Pollution Research

Fig. 1
figure 1

The scheme of the FBG reactor (Werle and Wilk 2011)

Fig. 3
figure 2

The volume fraction of main components in gas from SS1 and SS2 gasification process—impact of the air ratio. a CH4. b H2. c CO. d CO2

https://doi.org/10.1007/s11356-019-05897-2

The original publication of this paper contains an error.

Correct images for figures 1 and 3 are shown in this paper.

The original article has been corrected.