Erratum to “Photodegradation of 2–chlorophenol over colloidal α–FeOOH supported mesostructured silica nanoparticles: Influence of a pore expander and reaction optimization” [Sep. Purif. Technol. 149 (2015) 55–64]

•Colloidal metal was immobilized onto different locations of a modified support.•Colloid structure of iron was retained after loading onto various silica supports.•Location of the colloidal metal on support is important for 2-chlorophenol removal.•Adsorption of the pollutant did not enhance 2-chlorophenol photodegradation.