Cr(III) removal from aqueous solutions by adsorption

GÜÇLÜ, KUBİLAY; MAHRAMANLIOĞLU, Mehmet; KIZILCIKLI, İRFAN

Cr(III) removal from aqueous solutions by adsorption

Mehmet MAHRAMANLIOĞLU, (İstanbul Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü, İstanbul, Türkiye)

İrfan KIZILCIKLI, (Girilmedi)

Kubilay GÜÇLÜ (Girilmedi)

Mühendislik Bilimleri Dergisi

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Yıl: 2002 Cilt: 8 Sayı: 3 Sayfa Aralığı: 387 - 393 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Cr(III) removal from aqueous solutions by adsorption

Öz:

Linyit kömüründen elde edilen adsorbent üzerine Cr (III) adsorpsiyonu zamanın, adsorbent miktarının, pH'nın ve sıcaklığın fonksiyonu olarak çalışıldı. Cr (III) adsorpsiyon verileri Freundlich, Langmuir ve Lagergren eşitliklerine uydu.$Delta H^0$, $Delta S^0$ ve $Delta G^0$ değerleri hesaplandı. Sonuçlar adsorpsiyonun endotermik olduğunu gösterdi. Negatif serbest enerji değerleri Cr (III) adsorpsiyonunun kendiliğinden olduğunu ve yüksek sıcaklıklarda daha uygun olduğunu gösterdi. Cr (III) adsorpsiyonu, çeşitli katyonların varlığında 20 °C'de çalışıldı. Sonuçlar katyonların ionik potensiyelleri ilişkilendirildi.

Anahtar Kelime:

Sulu çözeltilerden adsorpsiyon ile Cr (III) uzaklaştırılması

Öz:

The adsorption of Cr (III) on the adsorbent produced from lignite coal was studied as a function of time, amount of adsorbent, pH and temperature. Cr (III) adsorption data obeyed Freundlich, Langmuir and Lagergren equations. The values of$Delta H^0$, $Delta S^0$and $Delta G^0$were calculated. The results showed that adsorption is endothermic. The negative free energy values indicate that the process of Cr (III) adsorption is spontaneous and favoured at high temperatures. The adsorption of Cr (III) in the presence of different cations was also studied at 20° C. The results were correlated with the ionic potential of cations.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Diğer Erişim Türü: Erişime Açık

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APA	MAHRAMANLIOĞLU M, KIZILCIKLI İ, GÜÇLÜ K (2002). Cr(III) removal from aqueous solutions by adsorption. , 387 - 393.
Chicago	MAHRAMANLIOĞLU Mehmet,KIZILCIKLI İRFAN,GÜÇLÜ KUBİLAY Cr(III) removal from aqueous solutions by adsorption. (2002): 387 - 393.
MLA	MAHRAMANLIOĞLU Mehmet,KIZILCIKLI İRFAN,GÜÇLÜ KUBİLAY Cr(III) removal from aqueous solutions by adsorption. , 2002, ss.387 - 393.
AMA	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K Cr(III) removal from aqueous solutions by adsorption. . 2002; 387 - 393.
Vancouver	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K Cr(III) removal from aqueous solutions by adsorption. . 2002; 387 - 393.
IEEE	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K "Cr(III) removal from aqueous solutions by adsorption." , ss.387 - 393, 2002.
ISNAD	MAHRAMANLIOĞLU, Mehmet vd. "Cr(III) removal from aqueous solutions by adsorption". (2002), 387-393.

APA	MAHRAMANLIOĞLU M, KIZILCIKLI İ, GÜÇLÜ K (2002). Cr(III) removal from aqueous solutions by adsorption. Mühendislik Bilimleri Dergisi, 8(3), 387 - 393.
Chicago	MAHRAMANLIOĞLU Mehmet,KIZILCIKLI İRFAN,GÜÇLÜ KUBİLAY Cr(III) removal from aqueous solutions by adsorption. Mühendislik Bilimleri Dergisi 8, no.3 (2002): 387 - 393.
MLA	MAHRAMANLIOĞLU Mehmet,KIZILCIKLI İRFAN,GÜÇLÜ KUBİLAY Cr(III) removal from aqueous solutions by adsorption. Mühendislik Bilimleri Dergisi, vol.8, no.3, 2002, ss.387 - 393.
AMA	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K Cr(III) removal from aqueous solutions by adsorption. Mühendislik Bilimleri Dergisi. 2002; 8(3): 387 - 393.
Vancouver	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K Cr(III) removal from aqueous solutions by adsorption. Mühendislik Bilimleri Dergisi. 2002; 8(3): 387 - 393.
IEEE	MAHRAMANLIOĞLU M,KIZILCIKLI İ,GÜÇLÜ K "Cr(III) removal from aqueous solutions by adsorption." Mühendislik Bilimleri Dergisi, 8, ss.387 - 393, 2002.
ISNAD	MAHRAMANLIOĞLU, Mehmet vd. "Cr(III) removal from aqueous solutions by adsorption". Mühendislik Bilimleri Dergisi 8/3 (2002), 387-393.