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Iyo adsorption process yedhayi mbiri sebasa repH pane matatu akasiyana adsorbents (goethite, Co-goethite, uye magnetite) yakaongororwa.Yakajairika anionic adsorption maitiro akacherechedzwa kune ese madhayi pane goethite uye Co-goethite.Iyo adsorption level yaive yakajairika muhuwandu hwepH yakadzidzwa apo adsorbent yaive magnetite.Iyo yenguva dzose capacitance modhi (CCM) yakashandiswa kuti ikwane mhinduro dzekuyedza.Iwo epamusoro macomplexes akakurudzirwa kubva kune adsorption data aive muchibvumirano nemapateni akawanikwa kubva kuFTIR spectroscopy uye mamorekuru mechanics kuverenga.Goethite ine basa rakanaka kwazvo se adsorbent yeAlizarin uye Eriochrome Blue Black R. Kuvapo kwe cation yekunze muCo-goethite haina kuvandudza kugona kwe adsorption ye goethite.Pa pH yakaderera, huwandu hweAlizarin uye Eriochrome Blue Black R adsorbed pagoethite uye Co-goethite zvakafanana.Zvisinei, kutsamira kwepamusoro nekuwedzera kwepH kunoonekwa neEriochrome Blue Black R. Pa magnetite, dhayi adsorption inoratidza kushamwaridzana kuduku kune zvose dhayi.Kufunga kwemagetsi uye steric kunogona kutsanangura maitiro anowanikwa mune adsorption yedhayi mbiri pane matatu iron oxides akadzidzwa mubasa iri.