İki Farklı Besiyerinde Tekstil Boyalarının Renk Giderimi

Bu çalışmada tekstil fabrikasından alınan üç farklı tekstil boyasının (Doracryl Blue (DB),Astrozon Red (AR) and Maxillon Red (MR)) atık sudan izole edilen bakteriyel kültür ile renk giderimitespit edilmiştir. Biyoakümülasyon oranı, iki farklı besiyerinde (Nutrient Broth ve Melaslı Besiyeri)başlangıç pH (5-8), boya konsantrasyonu (100-500 mgL-1) ve sıcaklığa (25-35ºC) karşılık tespitedilmiştir. Her iki besiyerinde de inkübasyon periyodu boyunca pH 7 ve 8’de yüksek oranlarda giderimtespit edilmiştir. Bakteriyel kültür MR ve DB boyalarını tüm yüksek konsantrasyonlar ve sıcaklıklarda%95 oranında gidermiştir. Bunun yanında AR ise 200 mgL-1 konsantrasyonda %40 oranında giderilmişve daha yüksek konsantrasyonlarda giderilememiştir. Çalışmada elde edilen sonuçlar bakteriyel kültürünMR ve DB boyalarını tüm konsantrasyon ve sıcaklıklarda yüksek oranda gidermesine karşın AR’ninyüksek oranda dekolorize edilmediğini ortaya koymuştur. Bundan dolayı bakteriyel kültür DB ve MRboyalarının dekolorizasyonu için kullanılabilecekken AR için sınırlı kullanım alanına sahiptir

Anahtar Kelimeler:

Bakteriyel kültür, dekolorizasyon, tekstil boyaları

Decolorization of Textile Dyes in Two Different Medium

In this study, the decolorization of textile dyes, taken from textile factory, (Doracryl Blue(DB), Astrozon Red (AR) and Maxillon Red (MR)), were determined by pure bacterial culture whichisolated from waste water. Bioaccumulation rate were determined in two different media (NutrientBroth and Molasses medium) as a function of initial pH (5-8), dye concentration (100-500 mgL-1), andtemperature (25-35ºC). High rates of decolorization at pH 7 and 8 have been found in both nutrient andmolasses medium at incubation period. The bacterial culture decolorized MR and DB colors at highconcentrations and all temperatures almost 95% decolorization yield, besides AR decolorized at 200mgL-1 dye concentrations and 40% rate and couldn’t be decolorized at higher concentrations. The resultswere showed that the bacterium was able to decolorize the DB and MR high ratio in both nutrient andmolasses media at high concentrations and all temperatures, although the AR weren’t decolorized at highratio by bacterium. Because of this, although the bacterial culture could be used highly for decolorizationfor DB and MR, it has got limited usage for AR

Keywords:

Bacterial culture, decolorization, textile dyes,

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