Browsing Fen-Edebiyat Fakültesi by Author "Altıntığ, Esra"

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ACTIVATED CARBON FROM WILD CHESTNUT SHELL UPON CHEMICAL ACTIVATION WITH PHOSPHORIC ACID

Altıntığ, Esra; O. F. Soydan (SCIBULCOM LTD, 2016)

In this study, activated carbons were produced from wild chestnut shells by means of chemical activation with H3PO4 in a N-2 atmosphere and their characteristics were investigated. The chemical activation process was ...
Adsorption of methylene blue onto activated carbon and silver activated carbon

Altıntığ, Esra; Arabacı, Gülnur (ELSEVIER SCIENCE BV, 2012)
An evaluation of coal fly ash as an adsorbent for the removal of methylene blue from aqueous solutions: kinetic and thermodynamic studies

Karaca, Hüseyin; Altıntığ, Esra; Devrim Turker; Teker, Murat (TAYLOR & FRANCIS INC, 2018)

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Characterization of activated carbon prepared from agricultural waste and its applications for decolorization of textile dyes

Ayse Usluoglu; Altıntığ, Esra; Arabacı, Gülnur (CURRENT BIOLOGY LTD, 2013)
Comparative study on adsorptive removal of Cu, Pb, Zn heavy metals by modified perlite composites

Ateş, Asude; Altıntığ, Esra; Demirel, Hülya; Muge Yilmaz (DESALINATION PUBL, 2017)

This study examined the removal of heavy metals Cu2+, Pb2+, Zn2+ from water solution by using perlite, perlite activated with oxalic acid and perlite modified with chitosan. The adsorption isotherms were also calculated. ...
DETERMINATION OF MULTI ELEMENT LEVELS IN LEAVES AND HERBAL TEAS FROM TURKEY BY ICP-OES

Altıntığ, Esra; Altundağ, Hüseyin (CHEM SOC ETHIOPIA, 2014)

We have determined the amount of some heavy metals (Al, Ba, Cr, Cu, Fe, Mn, Ni, Sr and Zn) contained in 18 herbal tea samples that had been bought from local markets where different parts of plants (leaves or flowers) are ...
Determination of some heavy metals by ICP-OES in edible parts of fish from Sapanca Lake and streams

Altundağ, Hüseyin; Ebru Yildirim; Altıntığ, Esra (ACG PUBLICATIONS, 2019)

In this study, 20 fish taken from Sapanca Lake, Sakarya River and Western Black Sea (Karasu) in total and heavy metal accumulation (Cu, Fe abd Zn) in the muscles of 15 species was determined with ICP-OES (Inductively Coupled ...
Effective removal of methylene blue from aqueous solutions using magnetic loaded activated carbon as novel adsorbent

Altıntığ, Esra; Altundağ, Hüseyin; Mustafa Tuzen; Ahmet Sari (INST CHEMICAL ENGINEERS, 2017)

In this study, magnetic characteristic was added to activated carbon (AC) obtained by ZnCl2 activation of acorn shell. The produced magnetic AC (Fe-AC) was used effectively for the removal of methylene blue (MB) from aqueous ...
Fuel properties of cottonseed oil

Altıntığ, Esra (TAYLOR & FRANCIS INC, 1999)

The use of vegetable oils as fitel alternatives has an exceptional importance in the field of research. In this study, evaluation possibilities of cottonseed oil have been investigated as an alternative candidate for diesel ...
Influence of process parameters on the surface and chemical properties of activated carbon obtained from biochar by chemical activation

Angın, Dilek; Altıntığ, Esra (ELSEVIER SCI LTD, 2013)

Activated carbons were produced from biochar obtained through pyrolysis of safflower seed press cake by chemical activation with zinc chloride. The influences of process variables such as the activation temperature and the ...
Investigation of antimicrobial silver-dispersed activated carbon

Arabacı, Gülnur; Altıntığ, Esra (ELSEVIER SCIENCE BV, 2012)
Inﬂuence of process parameters on the surface and chemical properties of activated carbon obtained from biochar by chemical activation

Altıntığ, Esra; Angın, Dilek (2013)
Mercury Determination in Muscle Tissue of Fish Samples Using Microwave Digestion and GAAS Analysis

Altundağ, Hüseyin; Tulay Kupeli; Altıntığ, Esra; Ali Imran Vaizogullar; Ibrahim Kula; Mustafa Tuzen; İmamoğlu, Mustafa (PERKIN-ELMER CORP, 2017)

In this study, the mercury (Hg) levels in muscle tissue of 19 different fish species were determined. The fish samples were collected from the Sakarya River, Sakarya Cark Stream, Sapanca Lake and the Western Black Sea, ...
METAL FRACTIONATION USING THE BCR SEQUENTIAL EXTRACTION PROCEDURE WITH REGARD TO CARPARK DUST SAMPLES FROM SAKARYA, TURKEY

Altundağ, Hüseyin; Dündar, Mustafa Şahin; Altıntığ, Esra (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2016)

In practice, the BCR procedure has three extraction steps; the aim of the fourth step is comparison. That is, it acts as an internal check on the procedure. Specifically, the residue from step 3 was digested with aqua ...
Preparation and Antibacterial Activity of Silver Coated Activated Carbon from Rice Husks

Altıntığ, Esra; Arabacı, Gülnur (RESEARCH JOURNAL BIOTECHNOLOGY, 2013)

Silver has been in use since time because of its antibacterial effects. In the present century, the use of antibacterial metals in industry as disinfectant, by loading into inorganic materials is increasing and developing. ...
Preparation and characterization of the antibacterial efficiency of silver loaded activated carbon from corncobs

Altıntığ, Esra; Arabacı, Gülnur; Altundağ, Hüseyin (ELSEVIER SCIENCE SA, 2016)

In this study, carbon activation was carried out on corncobs at 700 degrees C using H3PO4 chemical activation method. While silver coating activated carbons, a reduction procedure with hydrazine was used. The crystal ...
Preparation and properties of Ag-coated activated carbon nanocomposites produced from wild chestnut shell by ZnCl2 activation

Altıntığ, Esra; Sule Kirkil (ELSEVIER, 2016)

As a result, it was presented clearly that how the analysed parameters have affected the activated carbon properties and the optimum conditions for producing activated carbons which can be obtained as the result of the ...
Preparation, characterization and evaluation of bio-based magnetic activated carbon for effective adsorption of malachite green from aqueous solution

Altıntığ, Esra; Muge Onaran; Ahmet Sari; Altundağ, Hüseyin; Pehlivan, Hüseyin; Mustafa Tuzen (ELSEVIER SCIENCE SA, 2018)

The removal feasibility of malachite green (MG) on Magnetic Activated Carbon (Fe3O4-AC) from aqueous solution was investigated. The physicochemical/morphological properties of the prepared novel sorbents were identified ...
PRODUCTION OF ACTIVATED CARBON FROM RICE HUSK TO SUPPORT Zn2+ IONS

Altıntığ, Esra; Acar, İrfan; Altundağ, Hüseyin; Özyıldırım, Ömer (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2015)

The aim of this study is producing the low-cost activated carbon rice husks by chemical activation using zinc chloride (ZnCl2) at 700 degrees C in N-2 atmosphere. Impregnation ratios of 1:1 2:1 3:1 and 4:1 (g ZnCl2/g rice ...
The Heavy-Metal Accumulation in Some Aquatic Plants and their Spatial Distributions in the Lower Sakarya River Basin (Turkey)

Altıntığ, Esra; Sağıroğlu, Mehmet; İkiel, Cercis; Koç, Derya Evrim (SPRINGER INTERNATIONAL PUBLISHING AG, 2016)

To evaluate aquatic macrophyte species, an indicator organism of heavy-metal pollution in bio-monitoring studies of the aquatic ecosystem is studied. The aim of this study is determining some heavy-metal (Pb, Cr, Cu, Mn, ...