Assessment of Coagulation Efficiency of Okra SeedExtract for Surface Water Treatment

RAJI, Yusuf Olabode and ABUBAKAR, Lawal and GIWA, Saidat Olanipekun and GIWA, Abdulwahab (2016) Assessment of Coagulation Efficiency of Okra SeedExtract for Surface Water Treatment. International Journal of Scientific & Engineering Research, 6 (2). pp. 1-7. ISSN 2229-5518

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Abstract

Conventional drinking water treatments are often inappropriate in developing countries, due to its high cost of its treatment, lack of appropriate infrastructures or chemicals as well as environmental factors. The present research deals with the evaluation of the treatment efficiency of natural coagulant obtained from okra seed (okra seed extract). The coagulation ability of the coagulant was assessed by the use of standard jar test experiment involving two water samples (obtained from River Rima and Goronyo Dam of Sokoto) with various coagulant doses. The coagulation capacity of the okra seed extract was measured on the basis of turbidity removal. It was found from the results obtained that okra seed coagulant was effective in removing the turbidity of surface water because the turbidities of the water samples considered were removed effectively at an optimum dose of 300 mg/L of the seed extract with optimum pH of about 7.0 from 745 NTU to 11 NTU for sample 1 and from 580 NTU to 5 NTU for sample 2. It was also discovered that the coagulant could be used to, effectively, remove the turbidity of the samples with initial turbidity of about 580 NTU to WHO standard limit of 5 NTU. Therefore, it has been discovered that okra seed extract is a very effective coagulant in water treatment.

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