TY - JOUR TT - Düşük Maliyetli Biyolojik Atık Adsorbentlerin Tekstil Boyası Adsorpsiyonu Özelliklerinin Karşılaştırılması AU - Erdoğan, Fatma Oğuz PY - 2017 DA - September JF - Tekstil ve Mühendis PB - Tekstil Mühendisleri Odası WT - DergiPark SN - 1300-7599 SP - 181 EP - 187 VL - 24 IS - 107 KW - Apricot Stones KW - Cherry Stones KW - Textile Dye KW - Isotherm KW - Kinetic KW - Thermodynamic N2 - Bu çalışmada, kiraz ve kayısı çekirdekleri, sulu çözeltiden dispers sarı 211 tekstil boyasının uzaklaştırılması için bir adsorbent olarak incelenmiştir. Kiraz ve kayısı çekirdekleri SEM (taramalı elektron mikroskopisi) ve N2 adsorpsiyon izotermleriyle karakterize edilmiştir. Çalışmada; adsorbent miktarı, temas süresi, sıcaklık ve pH’ın uzaklaştırma verimine etkisi incelenmiştir. Adsorpsiyon davranışının incelenmesinde Freundlich, Langmuir, Temkin ve Dubinin-Radushkevich (DR) izotermleri test edilmiştir. Kinetik çalışmalar, adsorpsiyonun yalancı birinci derece kinetik modeli takip ettiğini göstermektedir. Termodinamik parametreler olan entalpi, entropi ve Gibbs serbest enerji değişimleri belirlenmiştir. Maksimum adsorpsiyon kapasitesi kiraz çekirdekleri için 105.71 mg/g, kayısı çekirdekleri için 156.25 mg/g olarak bulunmuştur. Bu sonuçlar kayısı çekirdeklerinin adsorpsiyon kapasitesinin kiraz çekirdeklerinin adsorpsiyon kapasitesinden yaklaşık 1.5 kat fazla olduğunu göstermiştir. Sonuçlar, kiraz ve kayısı çekirdeklerinin, sulu çözeltiden dispers sarı 211 tekstil boyasının uzaklaştırılmasında etkili ve düşük maliyetli adsorbentler olarak kullanılma potansiyelini desteklemektedir. CR - Pandiselvi, K., Thambidurai, S., (2013), Synthesis of porous chitosan-polyaniline/ZnO hybrid composite and application for removal of reactive orange 16 dye. Colloids and Surf. B: Biointerfaces, 108, 229-238. 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UR - https://dergipark.org.tr/tr/pub/teksmuh/issue//341306 L1 - https://dergipark.org.tr/tr/download/article-file/346438 ER -