Fatih Sayın

Eskisehir Osmangazi University | ESOGU · Department of Chemistry

An effective and sustainable biosorbent (MagOPIC) was prepared from chitosan and olive pomace by the combined action of immobilization and magnetic modification to remediate Pb²⁺-contaminated waters. Pb²⁺ sorption yield at the end of the equilibrium (45 min) period was estimated to be 98.56 ± 0.28% at pH 5.5. Agitation speed, ionic strength, and te...

Water pollution caused by antibiotics is a serious environmental problem in recent years. Using biochar to remove such pharmaceutical pollutants has recently emerged as a promising option. After H3PO4 modification, a new waste-based biochar (MPCWSB500) from sour cherry stalk was successfully synthesized to remove ciprofloxacin (CFX) from aquatic me...

In the comprehensive research, the uptake of Cu(II) ions from contaminated water was explored using metakaolin-based geopolymer (MKG). The effects of contact time, adsorbent amount, initial pH, temperature, stirring speed, flow rate, column diameter, and adsorbate volume on the Cu(II) removal yield of MKG in the batch and column treatment systems w...

In this study, the biosorption performance of Thamnidium elegans (T. elegans) immobilized on Phragmites australis (P. australis), a new biocomposite (TEPA), was examined for decolorization of water using batch and column mode tests. Various affecting experimental parameters such as pH, biocomposite amount, and stirring speed were examined and optim...

A natural biosorbent obtained from Pyracantha coccinea was modified with an anionic surfactant to facilitate its dye removal ability. Modified biosorbent was successfully employed for the decolorization of Methyl Violet (MV)-contaminated solutions. A three-variable Box-Behnken design for response surface methodology was used to examine the function...

Immobilized biomaterials have recently attracted researchers' attention in the field of environmental biotechnology due to their effective biosorption performances. In this respect, a novel hybrid biocomposite based on Thamnidium elegans cells, olive pomace, and chitosan ([email protected]) was produced and tested for the first time to remove a tar...

In this study, alunite was immobilized with chitosan to investigate the effective parameters for its adsorption and preconcentration potential for Cu2+ ions. After immobilization, the proposed composite’s adsorption efficiency increased by about 93% and 9%, respectively, when compared to alunite and chitosan components. The pseudo-second-order mode...

Alunite (KAl3(SO4)2(OH)6) was evaluated for Pb²⁺ removal after magnetically functionalization (MagA) which led to a considerable improvement in the natural mineral's characteristics and adsorption capability. Pb²⁺ adsorption was investigated in both batch and column systems concerning the influence of pH, MagA amounts, contact time, initial Pb²⁺ co...

In this study, natural clay mineral: Capsicum annuum (C. annuum) L. seeds based composite adsorbent (CCAC) was prepared. Adsorption performance of CCAC was evaluated in terms of Ni (II) removal and adsorption capacity. Experimental conditions were optimized by investigating the initial pH of the metal solution, CCAC amount, initial metal ion concen...

Due to their environmental friendliness, strong remediation capabilities, and low cost, biochar sorbents have garnered considerable attention recently. In the current study, the effectiveness of fish scale biochar (FSBC) as an alternative material in eliminating toxic cadmium (Cd²⁺) ions from contaminated water was examined using batch and fixed-be...

A fungal biomass, Lactarius salmonicolor (L. salmonicolor), was entrapped in a silica gel matrix to evaluate the removal of Co2+ and Mn2+ ions from an aqueous medium and a real effluent. The batch experiments were carried out to investigate the influences of biosorbent dosage, initial pH, contact time, and temperature. The results showed that no pH...

One of the most important environmental and health issues today is the elimination of the dye pollution from the contaminated water ecosystem. The use of geopolymers to eliminate such contaminants has recently emerged as a promising alternative. In this study, metakaolin based geopolymer (MKBG) was synthesized to be a promising adsorbent for Basic...

The removal of toxic metals from the aquatic ecosystem is one of the most pressing environmental and public health concerns today. A strong potential has recently emerged for the removal of such metals using biochar sorbents. Biosorption technology could make a significant difference in the future. It is a viable and cost-effective alternative to t...

BACKGROUND The fluoroquinolone antibiotics in the water sources are a significant threat to public health, water ecosystem, and water reuse. In this study, the feasibility of the biosorption of ciprofloxacin (CIP) using pine needles biomass‐Gibberella fujikuroi immobilized biocomposite (PNGFB) was promoted. It was prepared by passive cell immobiliz...

Dye pollution in the aquatic environment is one of the main environmental and public health issue nowadays. Biosorptive removal of such dyes by biocomposite materials have recently emerged a good potential. For this purpose a novel microbial cell-immobilized Platanus orientalis leaf tissue (NSPOL) was prepared through a passive immobilization, in t...

Synthetic dyes have complex molecular structures and are stable molecules against oxidizing agents, sunlight, and microbial attack. Therefore, the treatment of dye‒containing wastewater using appropriate techniques is of great importance. Difficulties in separation and recovery of an adsorbent from the solution limit the large‒scale applications of...

In this study, a magnetic montmorillonite composite (MMC) was prepared by a coprecipitation method, evaluated as sorbent for Cd(II) ions and characterized by IR spectroscopy, SEM, EDX, VSM, and zeta potential measurement. The adsorption potential of MMC was tested in both batch and continuous modes at different initial pH levels, sorbent dosages, c...

The use of alunite as an adsorbent for the removal of dye was the aim of this report. Mixing the alunite with different salts may allow adsorption with higher efficiency. In the present study, the thermal decomposition product of alunite-potassium chloride mixture (TDPA-KCl) was used efficiently and inexpensively to remove Reactive Blue 49 (RB49) d...

The aim of this study is to remove heavy metals ions of Mn(II) and Co(II) from aqueous solutions by using metakaolin based geopolymer, a new potential low-cost alternative adsorbent material. The parameters of initial pH, adsorbent amount, time of contact and initial metal ion concentration on the metal removal performance were studied using a batc...

Biosorptive treatment of contaminated solutions with different biomaterials has been extensively studied in recent years. However, application of the suggested biosorbents in industrial scale has been very limited so far. Real wastewater conditions play an important role in the commercial success of the biosorption process. This study describes the...

Borago officinalis has successfully been evaluated as a biosorbent for the removal of cadmium and manganese from aqueous solutions in batch and column systems. Maximum biosorption for Cd and Mn ions was obtained at original pH values of the solutions. The temperature-independent and fast biosorption of Cd and Mn onto B. officinalis could be observe...