Evaluation of the Coagulation and Flocculation Process Using Plantago major L. Seed Extract as a Natural Coagulant in Treating Paper and Paperboard Industry Wastewater
Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:
Introduction
Paper and paperboard industry wastewater has potentially damaging effects on the ecosystem of the receiving environments due to the presence of toxic compounds. As a result, the treatment of such wastewater is necessary prior to discharge into the environment. In this study, the potential of Plantago major L. seed extract as a natural coagulant in treating paper and paperboard industry wastewater was investigated.
Materials And Methods
In this experimental study that was carried out in vitro, the effects of the pH (5, 6, 7, 8, 9, 10 and 11) of the solution and different doses (0.05, 0.1, 0.15, 0.2 and 0.25 g/L) of coagulant were studied. At each step of optimization turbidity, TSS and COD were measured according to the methods presented in the books on water and wastewater testing standards.
Results
Optimal pH for removal of turbidity, TSS and COD using Plantago major L. seed extract was determined 10, with the removal efficiency of 60%, 76% and 36%, respectively. The optimal dose of coagulant was obtained 0.1 g/L, with the maximum efficiency of 80%, 87% and 37.7% for turbidity, TSS and COD, respectively.
Conclusion
Based on the results of this study, Plantago major L. seed extract can be used as a natural coagulant without causing environmental risks.
Language:
English
Published:
Journal of Environmental Health and Sustainable Development, Volume:3 Issue: 2, Jun 2018
Pages:
531 to 538
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