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Published on: February 12, 2019
Methylene blue removal by carbonized textile sludge-based adsorbent
Ari Rahman1, Naoyuki Kishimoto2, Takeo Urabe2
1Graduate School of Science and Technology, Department of Environmental Solution Technology, Ryukoku University, 1-5 Yokotani, Seta Oe-cho, Otsu-shi, Shiga Prefecture 520-2194, Japan E-mail: rahmanari22@gmail.com; Faculty of Infrastructure Planning, Department of Environmental Engineering, Universitas Pertamina, Komplek Universitas Pertamina, Jalan Sinabung II, Terusan Simprug, Jakarta 12220, Indonesia.
Textile sludge can be converted into an effective adsorbent for removing methylene blue dye from wastewater. This carbonized sludge demonstrates high adsorption capacity and can be regenerated for reuse, offering a sustainable solution for textile effluent treatment.
Area of Science:
- Environmental Chemistry
- Materials Science
- Chemical Engineering
Background:
- Textile industry wastewater is a significant source of pollution, characterized by colored effluent and substantial sludge generation.
- Existing treatment methods often struggle with the efficient removal of dyes and the management of industrial sludge.
Purpose of the Study:
- To investigate the conversion of textile sludge into a viable adsorbent for decolorizing industrial wastewater.
- To evaluate the adsorption performance and regeneration capabilities of carbonized textile sludge for methylene blue removal.
Main Methods:
- Textile sludge was subjected to carbonization at temperatures between 400 and 800 °C under oxygen-free conditions.
- The resulting carbonized sludge was analyzed for its adsorption capacity towards methylene blue.
- Reactivation potential was assessed through secondary heating processes.
Main Results:
- The optimal carbonization temperature for methylene blue adsorption was found to be 600 °C, yielding a maximum adsorption capacity of 60.30 mg/g.
- The carbonized sludge exhibited a specific surface area of 138.9 m²/g, with stability maintained up to 800 °C.
- The adsorbent showed robust performance with real wastewater and demonstrated effective regeneration through reheating.
Conclusions:
- Carbonized textile sludge is a highly effective and reusable adsorbent for removing methylene blue from wastewater.
- This research presents a sustainable approach to textile sludge valorization and wastewater treatment.

