Abstract
The paper and pulp sector is widely recognized for its substantial utilization of water resources and the release of heavily contaminated wastewater, which exacerbates issues of water scarcity and environmental issues. By evaluating the efficiency of a continuous flow anaerobic suspended growth reactor, this study unveils an approach to effectively treating paper and pulp effluents. This study explores anaerobic biogas production from paper and pulp effluent. Activated sludge from wastewater, added at 20%, 25%, and 30% ratios, enhanced reactor performance under anaerobic conditions. Characterization of effluent namely pH, TDS, alkalinity, BOD, COD, dissolved solids (DS), dissolved oxygen (DO) were monitored throughout the study and daily biogas assessments were conducted. A 5-liter UASB reactor with a transparent acrylic tube (15 cm diameter, 65 cm height) was constructed, featuring one influent port, an effluent port, and four sampling ports. It included a gas separator for biogas collection, maintaining a liquid level above the effluent pipe. Operating at mesophilic temperatures (25–35 °C). Optimal results were achieved with 70% effluent and 30% activated sludge, showing superior biogas production and organic impurity reduction. By utilizing wastewater sludge as a seeding material, this approach presents a promising solution for addressing environmental challenges in the paper industry through sustainable anaerobic processes.
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Ramasamy, S., B, S. Evaluation of continuous flow anaerobic suspended growth reactor for treating papaer and pulp effluent. Environ Dev Sustain (2024). https://doi.org/10.1007/s10668-024-04903-z
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DOI: https://doi.org/10.1007/s10668-024-04903-z