{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T02:12:08Z","timestamp":1787019128506,"version":"build-2736575974"},"reference-count":87,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Environ\ufffdHealth\ufffdInsights"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p>\n                    Olive Mill Solid Residue (OMSR) can be utilized as a bio-sorbent in wastewater treatment. Even though several studies on OMSR as a bio-sorbent were carried out, there is still a need to investigate a simple and relatively inexpensive OMSR treatment that increases pollutant removal. In this study; OMSR is used in batch experiments to remove toxic heavy metals from aqueous solutions including Cd\n                    <jats:sup>2+<\/jats:sup>\n                    , Cu\n                    <jats:sup>2+<\/jats:sup>\n                    , and Pb\n                    <jats:sup>2+<\/jats:sup>\n                    ions. The effect of OMSR treatment (untreated; OMSR-U, treated with n-hexane; OMSR-H, and treated with water; OMSR-W) was investigated by chemical oxygen demand and cation exchange capacity. It was confirmed by both tests that OMSR-W was the best treatment. The same result was re-confirmed by batch uptake experiments of the heavy metal ions. Using OMSR-W as a bio-sorbent; the effect of several parameters such as pH, contact time, bio-sorbent concentration, metal ions concentration, and the presence of other metal species were studied to figure their influence on the metal ions uptake. The optimum conditions for single metal systems were found to occur at pH 5.5, an initial metal concentration of 50\u2009mg\/L, a shaking time of 60\u2009minutes, a bio-sorbent concentration of 20\u2009g\/L. In binary metal ions solutions; Cd\n                    <jats:sup>2+<\/jats:sup>\n                    uptake was increased in presence of Cu\n                    <jats:sup>2+<\/jats:sup>\n                    or Pb\n                    <jats:sup>2+<\/jats:sup>\n                    . However, the uptake of Cu\n                    <jats:sup>2+<\/jats:sup>\n                    and Pb\n                    <jats:sup>2+<\/jats:sup>\n                    was decreased in presence of other metals. The equilibrium sorption data for single metal systems were described by the Langmuir isotherm model. The highest value of maximum uptake was found for Pb\n                    <jats:sup>2+<\/jats:sup>\n                    (4.587\u2009mg\/g) followed by Cd\n                    <jats:sup>2+<\/jats:sup>\n                    (4.525\u2009mg\/g) and Cu\n                    <jats:sup>2+<\/jats:sup>\n                    (4.367\u2009mg\/g). These results show that OMSR-W, which has a very low economical value, could be used for the treatment of wastewater contaminated with heavy metals.\n                  <\/jats:p>","DOI":"10.1177\/11786302211053176","type":"journal-article","created":{"date-parts":[[2021,10,21]],"date-time":"2021-10-21T02:19:25Z","timestamp":1634782765000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":19,"title":["Removal of Cadmium, Copper, and Lead From Water Using Bio-Sorbent From Treated Olive Mill Solid Residue"],"prefix":"10.1177","volume":"15","author":[{"given":"Enas N","family":"Mahmoud","sequence":"first","affiliation":[{"name":"Department of Chemistry, Faculty of Science, The Hashemite University, Zarqa, Jordan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fidaa\u2019 Y","family":"Fayed","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences and Environment, Prince El-Hassan bin Talal Faculty for Natural Resources and Environment, The Hashemite University, Zarqa, Jordan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7255-5166","authenticated-orcid":false,"given":"Khalil M","family":"Ibrahim","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences and Environment, Prince El-Hassan bin Talal Faculty for Natural Resources and Environment, The Hashemite University, Zarqa, Jordan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2069-4276","authenticated-orcid":false,"given":"Sawsan","family":"Jaafreh","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Faculty of Science, The Hashemite University, Zarqa, 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