Combination of alum and extracted &lt;i&gt;Moringa oleifera&lt;/i&gt; bioactive molecules powder for municipal wastewater treatment

Kane, Cheikhou; Bâ, Aïcha; Mahamat, Seid Ali; Ayessou, Nicolas Cyrille; Mbacké, Maryam Khadim; Diop, Codou Mar

doi:10.4314/ijbcs.v10i4.39

Cited by 5 publications

(3 citation statements)

References 22 publications

(23 reference statements)

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“…Therefore, there was no significant difference for turbidity removal between 150 and 200 mg/L of MO. These results are similar to those obtained by Kayode et al [32], Kane et al [33], and Boulaadjoul et al [34] for municipal wastewater and paper mill effluent, respectively. Dotto et al [35] also confirmed an improved COD removal with increasing settling time using MO coagulant in textile wastewater.…”

Section: Effect Of Mo Dose On Turbidity Bod and Cod Removalsupporting

confidence: 91%

Kinetic and Prediction Modeling Studies of Organic Pollutants Removal from Municipal Wastewater using Moringa oleifera Biomass as a Coagulant

Adelodun

Ogunshina

Ajibade

et al. 2020

Water

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This study investigated the potential of Moringa oleifera (MO) seed biomass as a coagulant for the removal of turbidity, biochemical oxygen demand (BOD), and chemical oxygen demand (COD) of municipal wastewater. Triplicated laboratory experiments using MO coagulant added at varying treatment dosages of 50, 100, 150, 200 mg/L, and a control (0 mg/L) treatment were performed for a settling period of 250 min at room temperature. Kinetics and prediction variables of cumulative turbidity, BOD, and COD removal were estimated using simplified first order and modified Gompertz models. Results showed that the maximum removal of turbidity, BOD, and COD were 94.44%, 68.72%, and 57.61%, respectively, using an MO dose of 150 mg/L. Various kinetic parameters, such as rate constant (r), measured (REm) versus predicted (REp) cumulative removal, and specific pollutant removal rate (µm), were also maximum when an MO dose of 150 mg/L was added, the standard error being below 5%. The developed models were successfully validated over multiple observations. This study suggests low cost and sustainable removal of turbidity, BOD, and COD of municipal wastewater using MO seed biomass as a coagulant.

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Section: Effect Of Mo Dose On Turbidity Bod and Cod Removalsupporting

confidence: 91%

Kinetic and Prediction Modeling Studies of Organic Pollutants Removal from Municipal Wastewater using Moringa oleifera Biomass as a Coagulant

Adelodun

Ogunshina

Ajibade

et al. 2020

Water

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show abstract

“…Thus, it was concluded that M. oleifera is the most effective natural coagulant and reduced turbidity to a larger extent. Kane et al, (2016) reported removal of turbidity and COD up to 90% and 75% respectively from domestic waste water by using alum and M. oleifera seed powder in the ratio of 50:50 (W/V) as a coagulant.…”

Section: Natural Methods Of Water Treatment or Green Techniques Of Water Treatmentmentioning

confidence: 99%

Application of Moringa Oleifera Lam. Seeds in Wastewater Treatment

Nisar¹,

Koul²

2020

PLANT ARCHIVES

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Coagulants play a vital role in treatment of raw water for both human and animal consumption. Aluminium sulphate is the most common and effective chemical coagulant for water treatment. However, chemical coagulants are costineffective, toxic, are not eco-friendly and may also cause severe health issues like cancers and neurologic disorders including Alzheimer’s disease. Therefore, natural and greener methods of water purification are crucial for safe and effective water treatment. Therefore, alternative natural and greener method of water purification is required. Seeds of Vicia faba, Cicer arientinum, Jatropha curcas, Vigna unguiculata, Zea mays, Vigna mungo etc. have also been used in water purification regimes. Moringa oleifera seeds contain anti-microbial properties and cationic water-soluble proteins (polyelectrolytes) which possess active coagulative properties that can remove the turbidity and heavy metals like Cu, Pb, Cr, Zn, etc from raw water, thus can treat impure water efficiently. Therefore, natural coagulants are preferred over chemical coagulants as they are feasible to use, affordable, eco-friendly and less toxic. This review provides explicit information on efficiency and use of M. oleifera seeds in water treatment and their relative comparison with that of routine chemical coagulants. Thus, further collaborative research (industry and academia) on the alternative greener techniques of water purification are still required to gain sustainability in water purification regimes in developing countries.

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“…Benzolive (Moringa oleifera L) derived products are also used against malnutrition (Kane et al, 2016). Moringa oil and fresh leaves powders are consumed (Mawouma et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Aflatoxin contamination of baby food flour sold on Haitian markets

Aristil¹

2019

Int. J. Bio. Chem. Sci

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Mycotoxins (Mox) are secondary metabolites produced by filamentous moulds. Among Mox, aflatoxins (AFs) are noted as the most preoccupant carcinogen substances known. AFs contaminate several food materials and derived products such as flour. The present investigation aimed at evaluating the AF contaminations of maize, cassava, moringa and rice flour products utilized as baby food in Haiti. Twenty five samples were collected in South Haiti (from street's vendors and, Les Cayes markets and supermarkets). Those products were tested for AFs content using and following Reveal ® Q+ aflatoxin test (Neogen ®) supply instruction. Results reveal that AF contaminations of substrates range from 2.7 and 119 ppb. Cereal products were more AF contaminated compared to tuber and moringa. Maize flour samples were more AF contaminated than rice. AF contaminations of maize seem to depend on provenance (p< 0.05). AF contaminations of maize from Iron and Relais markets were respectively 5.2 and 32.1 ppb. Moreover, AF contaminations of maize collected from street vendors represented almost seven times of that from Les Cayes supermarkets. Similar results suggest necessity to perform and develop programs for managing AF contaminations on baby food in Haiti.

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Combination of alum and extracted <i>Moringa oleifera</i> bioactive molecules powder for municipal wastewater treatment

Cited by 5 publications

References 22 publications

Kinetic and Prediction Modeling Studies of Organic Pollutants Removal from Municipal Wastewater using Moringa oleifera Biomass as a Coagulant

Kinetic and Prediction Modeling Studies of Organic Pollutants Removal from Municipal Wastewater using Moringa oleifera Biomass as a Coagulant

Application of Moringa Oleifera Lam. Seeds in Wastewater Treatment

Aflatoxin contamination of baby food flour sold on Haitian markets

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