Fig. 1From: Use of biomass-derived adsorbents for the removal of petroleum pollutants from water: a mini-reviewSEM images of a alga Ulva lactuca (Ibrahim et al. 2016), b dried Chlorella vulgaris (El-Sheekh et al. 2019), c E. intestinalis biomass (Boleydei et al. 2018)Back to article page