INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)

Melike Kozak; Serdar Göçer; Kevser Cırık

TR EN

MEMBRAN BİYOREAKTÖRDE BİYOFİLM YAPISININ İNCELENMESİ

Abstract

Bu çalışma, gerçek tekstil atık suyunun arıtılmasında kullanılan membran biyoreaktör (MBR) sisteminde oluşan biyofilm tabakasının yapısal ve kimyasal özelliklerini ayrıntılı olarak incelemektedir. MBR sisteminin performansı, renk, kimyasal oksijen ihtiyacı (KOİ) ve çözünmüş organik karbon (ÇOK) giderimi açısından analiz edilmiştir. Sonuçlar, KOİ gideriminin yaklaşık %50 olduğunu, ÇOK ve renk gideriminin ise oldukça sınırlı kaldığını göstermiştir. Membran yüzeyinde oluşan biyofilm, Fourier dönüşümlü kızılötesi (FT-IR), termogravimetrik analiz-diferansiyel termal analiz (TG/DTA) ve diferansiyel tarama kalorimetrisi (DSC) analizleriyle karakterize edilmiştir. Analiz sonuçları, biyofilm yapısının esas olarak protein ve polisakkarit kökenli hücre dışı polimerik maddelerden (EPS), tekstil boyalarından ve inorganik bileşenlerden oluştuğunu ortaya koymuştur. Ağır metal analizleri, Ca, Mg ve Si gibi elementlerin biyofilm oluşumunda bağlayıcı bir rol oynadığını göstermiştir. Bu bulgular, tekstil atık suyunun arıtılmasında MBR sistemlerinin etkinliğini artırmak için gelişmiş arıtma süreçleriyle entegre edilmesinin gerekli olduğunu göstermektedir.

Keywords

Project Number

2019/5-6 M (YLS)

INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)

Abstract

This study investigates in detail the structural and chemical properties of the biofilm formed in a membrane bioreactor (MBR) system used in the treatment of real textile wastewater. The performance of the MBR system was analyzed based on color, chemical oxygen demand (COD), and dissolved organic carbon (DOC) removal. The results showed that COD removal was approximately 50%, while DOC and color removal remained quite limited. The biofilm formed on the membrane surface was characterized by Fourier transform infrared (FT-IR), thermogravimetric analysis-differential thermal analysis (TG/DTA), and differential scanning calorimetry (DSC) analyses. Analysis results revealed that the biofilm structure consists mainly of extracellular polymeric substances (EPS) of protein and polysaccharide origin, along with textile dyes and inorganic components. Heavy metal analyses showed that elements such as Ca, Mg, and Si play a binding role in biofilm formation. These findings indicate that integration of MBR systems with advanced treatment processes is necessary to increase their effectiveness in the treatment of textile wastewater.

Keywords

Supporting Institution

Kahramanmaraş Sütçü İmam University

Project Number

2019/5-6 M (YLS)

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Details

Primary Language

English

Subjects

Environmental Engineering (Other)

Journal Section

Research Article

Authors

Melike Kozak ^*
0000-0001-6985-3587
Türkiye

Serdar Göçer
0000-0003-0443-8045
Türkiye

Kevser Cırık
0000-0002-1756-553X
Türkiye

Publication Date

September 3, 2026

Submission Date

February 11, 2026

Acceptance Date

February 27, 2026

Published in Issue

Year 2026 Volume: 29 Number: 3

IZ

https://izlik.org/JA92HX87GB

Cite

RIS / Bibtex

APA

Kozak, M., Göçer, S., & Cırık, K. (2026). INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR). Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 29(3), 1062-1069. https://izlik.org/JA92HX87GB

AMA

1.Kozak M, Göçer S, Cırık K. INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR). KSU J. Eng. Sci. 2026;29(3):1062-1069. https://izlik.org/JA92HX87GB

Chicago

Kozak, Melike, Serdar Göçer, and Kevser Cırık. 2026. “INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29 (3): 1062-69. https://izlik.org/JA92HX87GB.

EndNote

Kozak M, Göçer S, Cırık K (September 1, 2026) INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR). Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29 3 1062–1069.

IEEE

[1]M. Kozak, S. Göçer, and K. Cırık, “INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)”, KSU J. Eng. Sci., vol. 29, no. 3, pp. 1062–1069, Sept. 2026, [Online]. Available: https://izlik.org/JA92HX87GB

ISNAD

Kozak, Melike - Göçer, Serdar - Cırık, Kevser. “INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29/3 (September 1, 2026): 1062-1069. https://izlik.org/JA92HX87GB.

JAMA

1.Kozak M, Göçer S, Cırık K. INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR). KSU J. Eng. Sci. 2026;29:1062–1069.

MLA

Kozak, Melike, et al. “INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR)”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, vol. 29, no. 3, Sept. 2026, pp. 1062-9, https://izlik.org/JA92HX87GB.

Vancouver

1.Melike Kozak, Serdar Göçer, Kevser Cırık. INVESTIGATION OF BIOFILM STRUCTURE IN A MEMBRANE BIOREACTOR (MBR). KSU J. Eng. Sci. [Internet]. 2026 Sep. 1;29(3):1062-9. Available from: https://izlik.org/JA92HX87GB