Synthesis of natural adsorbents from lignocellulosic biomass for the recovery of boron from water resources
Altınbaş, Bekir Fırat, author.

Synthesis of natural adsorbents from lignocellulosic biomass for the recovery of boron from water resources

Altınbaş, Bekir Fırat, author.

Yazar Ek Girişi
Altınbaş, Bekir Fırat, author.

Fiziksel Tanımlama
xi, 45 leaves: charts;+ 1 computer laser optical disc.

This work investigated the valorization of olive tree pruning waste as a biosorbent for the removal of environmentally hazardous boron from aqueous solution using batch adsorption. For this purpose, a novel, waste-based, boron-selective biosorbent from pristine cellulose and olive tree pruning waste (N-OPW) was synthesized. After confirming the proposed synthesis route with pristine cellulose, an alkali pretreatment, followed by glycidyl-methacrylate (GMA) grafting and providing boron selectivity with n-methyl-d-glucamine (NMDG) steps were applied to the biomass, respectively. N-OPW was characterized using SEM, TGA and FT-IR analyses. N-OPW showed excellent boron biosorption capacity (21.80 mg/g) in an operation pH range between 2-12. The equilibrium was attained in two hours and the Freundlich isotherm (R2=0.997) and pseudo-second-order kinetics (R2=0.99) provided the strongest match to experimental data. According to thermodynamic studies, boron adsorption was exothermic (ΔH°= - 34.14 kJ/mol). The reusability tests with real geothermal water showed that adsorbent had no significant decrease in boron removal capacity while desorbing >99% of the boron adsorbed for three cycles of adsorption/desorption. Results indicated that a promising, reusable, and boron-selective biosorbent was successfully synthesized while utilizing olive pruning waste.

Konu Başlığı
Boron compounds

Yazar Ek Girişi
Özşen, Aslı Yüksel,

Tüzel Kişi Ek Girişi
Izmir Institute of Technology. Chemical Engineering.

Tek Biçim Eser Adı
Thesis (Master)--İzmir Institute of Technology: Chemical Engineering.
İzmir Institute of Technology:Chemical Engineering--Thesis (Master).

Elektronik Erişim
Access to Electronic Versiyon.

LibraryMateryal TürüDemirbaş NumarasıYer NumarasıDurumu/İade Tarihi
IYTE LibraryTezT002728TP156.A35 A465 2023Tez Koleksiyonu