Facile fabrication of rape straw biomass fiber/β-CD/Fe3O4 as adsorbent for effective removal of ibuprofen

•The absorbent using rape straw biochar fiber, Fe3O4 and β-CD was synthesized.•The different physical effects of Ibuprofen on adsorption process were examined.•The Ibuprofen removal rate remained at approximately 73.56 % after five cycles.•This absorbent has considered as a proficient and environmentally friendly material.