Pseudomonas putida ile Üretilmiş Biyojenik Mangan Oksit Kullanarak Remazol Brilliant Blue R Giderimi

Sentetik boyaların varlığından kaynaklanan su kirliliği, dünyanın en önemli çevresel sorunlarından biridir. Remazol Brilliant Blue R (RBBR), tekstil endüstrisi atıksularından salınan ve suda ciddi kirliliğe neden olan oldukça toksik boyalardan biridir. Bu çalışmada, Pseudomonas putida ile üretilmiş biyojenik mangan oksit (BMO) ile RBBR’ nin giderimi incelenmiştir. RBBR’ nin BMO ile giderimi, çeşitli çözelti pH’ ı, BMO dozajı, başlangıç RBBR konsantrasyonu ve sıcaklık koşulları altında kesikli modda incelenmiştir. pH denemeleri optimum pH’ ın 3 olduğunu sıcaklık denemeleri ise adsorpsiyon prosesinin ekzotermik olduğunu ortaya koymuştur. 30 oC’ de, pH 3’ te, 0.5 g L-1 BMO dozajında ve 200 mg L-1 RBBR konsantrasyonunda 60 dakikalık denge süresi sonunda maksimum adsorpsiyon kapasitesi 155.7 mg g-1’ dır. RBBR giderimi sabit yataklı kolon reaktörde de incelenmiş ve besleme akış hızının etkisi araştırılmıştır. Elde edilen bulgular, BMO’ in su ortamından tehlikeli boyaları uzaklaştırma potansiyeline sahip olduğunu göstermekte ve aynı zamanda BMO’ in gelecekteki uygulamaları için de bilimsel bir temel sağlamaktadır.

Anahtar Kelimeler:

adsorpsiyon, biyojenik mangan oksit, boya giderimi

Removal of Remazol Brilliant Blue R using Biogenic Manganese Oxide Produced by Pseudomonas putida

Water contamination caused by the presence of synthetic dyes is one of the world's major environmental concerns. Remazol Brilliant Blue R (RBBR) is one of the highly toxic dyes released from textile industry wastewater and causes serious pollution in water. In this study, the removal of RBBR by biogenic manganese oxide (BMO) produced by Pseudomonas putida was investigated. The removal of RBBR by BMO was investigated in batch mode under various solution pH, BMO dosage, initial RBBR concentration and temperature conditions. The pH trials revealed that the optimum pH was 3, and the temperature trials revealed that the adsorption process was exothermic. At 30 oC, pH 3, a dosage of 0.5 g L-1 BMO and 200 mg L-1 RBBR concentration, the maximum adsorption capacity is 155.7 mg g-1 after 60 minutes of equilibrium time. RBBR removal was also investigated in a fixed bed column reactor and the effect of feed flow rate was investigated. These findings demonstrate that BMO has the potential to remove hazardous dyes from the aquatic environment and also provide a scientific basis for future applications of BMO.

Keywords:

adsorption, biogenic manganse oxide, dye removal,

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