Use of Cactus Opuntia as a Natural Coagulant: Water Treatment in Developing Countries.

Karanja, Ayub; Li, Fengting; Ng’ang’a, Wilson

doi:10.21474/ijar01/3586

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…Thus, several studies on water clarification with natural coagulants like Moringa seeds (Adeniran et al, 2017;Camacho et al, 2017;Hoa and Hue, 2018) or other natural coagulants (Adewuyi and Adewumi, 2018;Benalia et al, 2019;Freitas et al, 2015;Hussain and Hydar, 2019;Jayalakshmi et al, 2017) have already been carried out. Other researches have shown the efficiency of addition of Opuntia ficus-indica extracts as coagulant aids or flocculant (Adjeroud-Abdellatif et al, 2020;Bouaouine et al, 2019;Karanja et al, 2017;Othmani et al, 2020). Bouaouine et al (2019) revealed that quercetin and starch constitute the active agents found in O. ficus-indica.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of the effects of Herbal and chemical Coagulants in the clarification of raw water

Konkobo¹,

Diao²,

Savadogo³

et al. 2021

Afr. J. Agric. Res.

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The use of aluminum sulphate in clarifying raw waters raises many concerns about its impact on human health. Thus, the present study was initiated to compare the effects of Moringa oleifera and aluminum sulphate besides evaluating the association between M. oleifera or aluminum sulphate with Opuntia ficus-indica or syntofloc for water treatment. The essays were carried in Jar Test using waters of 352.80 Nephelometric Turbidity Units (NTU). The monitoring of different physico-chemical and microbiological parameters at different doses and after different decanting time was used to determine optimal conditions and evaluate the effectiveness of treatment. The results showed that it took fewer doses and less decanting time for aluminum sulphate than moringa to obtain the same residual turbidity. The use of 0.9 g/L of moringa removed 99% of turbidity after 12 h of decanting. Successive use of moringa (0.9 g/L) with O. ficus-indica extract (0.6 ml) reduced the decanting time to 15 min. However, this treatment eliminated only about 57% of total coliforms. The moringa/cactus association, although highly effective, remains less than the treatment based on aluminum sulphate and synthofloc. This "organic" association is nevertheless an ideal alternative because of its great capacities that could be further optimized.

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Section: Introductionmentioning

confidence: 99%

Comparative study of the effects of Herbal and chemical Coagulants in the clarification of raw water

Konkobo¹,

Diao²,

Savadogo³

et al. 2021

Afr. J. Agric. Res.

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“…21 Um valor crítico de cinco unidades Abelmoschus esculentus, ou como comumente conhecido, quiabo. É possível incluir também as sementes de nirmali; entre o tanino e o cáctus,23,24,25 somente o tanino não é baseado em planta 24. uma matriz natural sem uma purificação muito completa, tornam o conhecimento de sua estrutura uma tarefa difícil de ser realizada 20,24,30,31.…”

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Os diferentes tipos de coagulantes naturais para o tratamento de água: uma revisão

Lima¹,

Almeida

Vicentini

2020

evid.

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Os coagulantes naturais são compostos naturais, como sementes, mucilagem e outros compostos baseados ou não baseados em plantas, que possuem a capacidade de remoção de contaminantes da água, esgotos e efluentes. Seu uso possui forte apelo ambiental, econômico e social, especialmente por se tratarem de compostos facilmente encontrados na natureza, como a moringa, quiabo e cáctus, e, por isso, baratos, aumentando a qualidade de vida da sociedade e mitigando o dano ou impacto ambiental. Esta revisão teve por objetivo apresentar os diferentes tipos de coagulantes naturais, seus respectivos usos e características. Esta pesquisa foi elaborada por meio de consultas na literatura especializada, com cerca de 160 artigos pesquisados e 38 efetivamente utilizados; concentrou-se em discutir os benefícios dos coagulantes naturais frente aos coagulantes químicos, bem como as implicações dos diferentes tipos de coagulantes naturais no tratamento de água, efluentes líquidos e esgotos. Em suma, verificou-se que as questões que envolvem a pesquisa dos coagulantes naturais é um caminho ambientalmente correto, barato e um objetivo a ser alcançado, visto a grande demanda de tratamento de água e efluentes que ocorre ao redor do mundo.

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Treatment of Toxicant Dye Compounds in Wastewater by Modified Natural Coagulant

Ishak,

Murshed,

Mokhtar

et al. 2023

Handbook of Environmental Engineering

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Use of Cactus Opuntia as a Natural Coagulant: Water Treatment in Developing Countries.

Cited by 6 publications

References 3 publications

Comparative study of the effects of Herbal and chemical Coagulants in the clarification of raw water

Comparative study of the effects of Herbal and chemical Coagulants in the clarification of raw water

Os diferentes tipos de coagulantes naturais para o tratamento de água: uma revisão

Treatment of Toxicant Dye Compounds in Wastewater by Modified Natural Coagulant

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