Meyve suyu endüstrisi katı atığından üretilen aktif karbonun sulu çözeltilerden reaktif kırmızı (procion red MX-5B) adsorpsiyonu için kullanımı

Year 2017, Volume: 23 Issue: 7, 912 - 918, 27.12.2017

Eylem Pehlivan

Abstract

Bu
çalışmada; biyokütle olarak seçilen nar posasından kimyasal aktivasyonla aktif
karbon üretimi gerçekleştirilmiştir. Aktif karbon üretiminde sıcaklık, emdirme
süresi, emdirme oranı parametrelerinin etkisi araştırılmıştır. Aktivasyon
deneyleri, kimyasal (KOH) kullanılarak, 500 °C ve 700 °C’de 0.5/1; 1/1; 2/1
emdirme oranlarında, 24 ve 48 sa. emdirme süresinde gerçekleştirilmiştir. Elde
edilen aktif karbonlar BET, FTIR, 
elementel ve SEM analizleri yapılarak karakterize edilmiştir. En yüksek
yüzey alanına sahip aktif karbon (668.98 m²/g) seçilerek, sulu
çözeltiden boyar madde giderimi araştırılmıştır. pH, adsorban miktarı, çözelti
başlangıç derişimi ve çözelti sıcaklığı gibi parametrelerin, adsorpsiyon
üzerindeki etkileri gözlemlenmiştir En yüksek giderim pH 1’te, 10 g/L adsorban
varlığında, 50 ppm başlangıç derişiminde, 25 °C’de %96.60 olarak bulunmuştur.

Keywords

Nar posası, Kimyasal Aktivasyon, Aktif Karbon, Adsorpsiyon, Modelleme

Utilization of activated carbon produced from fruit juice industry solid waste for the adsorption of reactive red (procion red MX-5B) from aqueous solutions

Abstract

In
this study, activated carbon production from pomegranate pulp was carried out
via chemical activation. The influences of parameters such as temperature,
impregnation time, impregnation ratio on activated carbon production were
investigated. Activation experiments were carried out using KOH at temperatures
of 500 °C and 700 °C, with the impregnation ratio of 0.5/1; 1/1; 2/1 and
impregnation duration of 24 or 48 hours. Activated carbons obtained from the experiments were
characterized by BET, FTIR, elemental, and SEM. The activated carbon with the
surface area of 668.9825 m²/g was obtained and used as an adsorbent
for the removal of dye from the aqueous solutions. The influences of pH,
adsorbent dose, initial dye concentration and temperature on adsorption were
investigated. The maximum dye removal efficiency of 96.60% was obtained at the
adsorbent dose of 10 g/L initial concentration of 50 ppm 
and a solution pH 1.

Keywords

Pomegranate pulp, Activated carbon, Adsorption, Modelling

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