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uijrt.com

Call For Papers May 2026. Fast paper publication. Submit research and review paper. Manuscript submission on international open access journal. ISSN approved.

gjesm.net

BACKGROUND AND OBJECTIVES: The increasing need for efficient wastewater treatment solutions has driven research toward the development of integrated processes capable of addressing complex contaminant compositions. Standard single-stage treatment approaches frequently do not effectively remove a variety of pollutants, including organic compounds, heavy metals, and pathogenic microorganisms. Furthermore, information on the integration of coagulation-flocculation, biofiltration, and advanced oxidation processes within a cohesive treatment system. This study aimed to develop and evaluate a multi-stage wastewater treatment system that combines coagulation-flocculation, biofiltration, and advanced oxidation processes to enhance pollutant removal efficiency and improve effluent quality.METHODS: The experimental setup consisted of three sequential treatment units. In the first stage, coagulation-flocculation was employed to aggregate and remove suspended solids and colloidal matter. Coagulant dosages of 20, 40, 60, and 100 milligrams per liter were tested to determine the optimal chemical requirement. The second phase employed biofiltration to enhance the biological breakdown of dissolved organic substances, with the hydraulic retention time fine-tuned for optimal microbial activity. The final stage applied ultraviolet light and hydrogen peroxide oxidation to degrade residual organic pollutants and ensure microbial disinfection. FINDINGS: As the dosage of coagulant was raised, the coagulation-flocculation performance showed improvement. At 20 milligrams per liter, total suspended solids removal was 52.3 percent and chemical oxygen demand reduction was 15.7 percent. At 40 milligrams per liter, these values increased to 72.8 percent and 28.4 percent, respectively. The optimal dosage of 60 milligrams per liter achieved 88.5 percent removal of total suspended solids and 39.6 percent reduction in chemical oxygen demand, while at 100 milligrams per liter, the efficiency reached

arabianjbmr.com

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sociology.org

Explore diverse sociology degree jobs, from public policy to business. Discover where a sociology background can take you and how to turn theory into impact.

kyosei-tairyu.jp

時候の挨拶：例文と結びの言葉代表例１~12月 1月の時候の挨拶 1月の時候の挨拶の丁寧な使い方で使われることが多い季語をまとめています。 「～の候」「～のみぎり」という形で使います。 1月の結びの言葉 今年も何卒よろしく […]

eurjchem.com

european journal of chemistry

ekjm.org

Molecular Residual Disease Monitoring and Early Recurrence Prediction in Solid Tumors: Clinical Applications and Evidence

bmrat.org

martplace - complete online multipurpose marketplace html template

mhpi.chnu.edu.ua

історико-політичні проблеми сучасного світу