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FARKLI YAPIDAKİ ADSORBAN KÖMÜRLERE ORGANİK YÜZEY AKTİF MADDELERİN TUTUNMASININ İNCELENMESİ

INVESTIGATION OF ADSORPTION ORGANIC SURFACTANTS ON THE DIFFERENT STUCTURE ADSORBENT COALS

Journal Name:

  • Gazi Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

Publication Year:

  • 2014

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
Zonguldak bituminous coal and Sivas Divriği Uluçayır (SDU) lignite are chosen as adsorbent on the adsorption of nonionic Igepal CA-630. Kinetic and equilibrium studies were carried out at initial concentrations between 3¬50 ppm for 24 hours. The amount of adsorbed Igepal CA-630 was increased at low shaking speed. While the increasing of temperature caused an increase in amount of adsorbed matter on SDU lignite it led to the decrease on Zonguldak bituminous coal. The adsorption capacities of coals were increased with decreasing the particle size of the coals. The effect of pH on Zonguldak bituminous coal was investigated by reducing the pH of medium from 9.10 to the 3.08 with 0.1N H2SO4. The amount of adsorbed matter on Zonguldak bituminous coal was increased with decreasing of pH. The amount of adsorbed matter on Zonguldak bituminous coal demineralized by the oil agglomeration technique was lower than that of Zonguldak bituminous coal. Adsorption data were in good agreement with Freundich isotherm and adsorption was an exothermic and spontaneous process according to the results of thermodynamic parameters.
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Abstract (Original Language): 
Noniyonik Igepal CA-630'un adsorpsiyonunda Zonguldak bitümlü kömürü ve Sivas Divriği Uluçayır (SDU) linyiti adsorplayıcı olarak seçilmiştir. Kinetik ve denge çalışmaları 3-50 ppm başlangıç derişiminde 24 saat süreyle gerçekleştirilmiştir. Düşük çalkalama hızında Igepal CA-630 adsorpsiyonu artmıştır. Sıcaklık artışı SDU linyitinde adsorplanan madde miktarının artmasına, Zonguldak bitümlü kömüründe ise azalmaya neden olmuştur. Kömürlerin adsorpsiyon kapasiteleri kömürlerin parçacık boyutunun azalmasıyla artmıştır. Zonguldak bitümlü kömürüne pH'ın etkisi, ortamın pH'ı 0,1 N H2SO4 ile 9,10'dan 3,08'e düşürülerek incelenmiştir. Zonguldak bitümlü kömürüne adsorplanan madde miktarı pH'ın azalmasıyla artmıştır. Yağ aglomerasyon tekniği ile minerali giderilmiş Zonguldak bitümlü kömürüne adsorplanan madde miktarı Zonguldak bitümlü kömürününden daha az olmuştur. Adsorpsiyon verilerinin Freundlich izotermine daha fazla uyum gösterdiği ve termodinamik parametre sonuçlardan adsorpsiyonun ekzotermik ve kendiliğinden olduğu görülmüştür.
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