Strontium-based nanomaterials for the removal of organic/inorganic contaminants from water: A review

•Most common synthesis methods for Sr-based nanomaterials are summarized.•Adsorptive removal of dyes, metals, inorganic ions, and antibiotics from water.•Photocatalytic removal of dyes, metals, inorganic ions, and antibiotics from water.•A wide range of Sr-based nanomaterials are reviewed as photocatalysts and adsorbents.•Challenges and future perspective for contaminants removal are outlined.