@article{article_580648, title={Modeling and utilization of laurel leaves as a biomass source for the removal of zinc and copper}, journal={Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi}, volume={20}, pages={262–271}, year={2019}, DOI={10.17474/artvinofd.580648}, author={Gumus, Dilek and Gumus, Fatih}, keywords={Defne,biyosorpsiyon,çinko ve bakır giderimi,doğrusal ve doğrusal olmayan izoterm}, abstract={<p class="MsoNormal" style="text-align:justify;line-height:normal;"> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">One of the most
important non-timber forest products in Turkey, medicinal and aromatic plants,
especially in the last century have become important socio-economic values. The
biosorbent used in this study was prepared from <i>Laurus nobilis </i> L. leaves (LNL).  </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">The effects of biosorbent dosage, biosorption time, solution pH, initial
zinc and copper ions concentration, humic acid or ionic strength or competitive
effects on the biosorption of copper and zinc by LNL were investigated. </span> <span lang="en-us" style="font-family:Arial, ’sans-serif’;" xml:lang="en-us"> </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">The LNL biomass was characterized using SEM and FT-IR </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">
spectrum </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">. </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">The linearized and non-linearized isotherm models
were compared and discussed. </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">Zn(II) and
Cu(II) biosorption fitted better in the Temkin </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">equation </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us"> and </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">Pseudo
second-order kinetic </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">model </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">successfully
described the biomass behaviors of both heavy metals. </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;"> <span lang="en-us" xml:lang="en-us">Additionally, a single-stage batch bioreactor system
for heavy metal biosorption based on the best fit non-linear isotherm equation
also has been presented. </span> </span> <span lang="en" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en">It was found that
heavy metal removal efficiencies were affected by </span> <span lang="en-us" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en-us">competitive </span> <span lang="en" style="font-size:12pt;font-family:’Times New Roman’, serif;" xml:lang="en"> biosorption studies. </span> <span style="font-size:12pt;font-family:’Times New Roman’, serif;">Finally, these
studies showed that the LNL can be used as an inexpensive and abundant
biosorbent for removing zinc and copper ions from contaminated waters.  </span> </p> <p> </p>}, number={2}, publisher={Artvin Çoruh Üniversitesi}, organization={Sinop Üniversitesi}