scholarly journals Clarification of the water of wetlands using a mixture of natural coagulants

DYNA ◽  
2019 ◽  
Vol 86 (209) ◽  
pp. 73-78 ◽  
Author(s):  
Katerin Rianos ◽  
María Carolina Meza Leones ◽  
Ivan Dario Mercado Martinez
Keyword(s):  
Moringa Oleifera ◽  
Control Sample ◽  
Jar Test ◽  
Natural Coagulants

The purpose of this investigation was to evaluate the coagulant power of 5 natural combinations to clarify the water of a wetland. The clarification process was simulated with the jar test and a rapid agitation at 120 rpm was established for this test for 1 minute, slow agitation at 30 rpm for 20 minutes and sedimentation for 15 minutes. For the natural combinations, a ratio of 90-10, 80-20, 70-30, 60-40, and 50-50yucca -seeds of Moringa oleifera was determined. After the process, the turbidity of the water was compared with a control sample. It was determined that the best results were obtained with treatment 2, 4 and 5 that removed the turbidity of the water from the wetland in 89.7%,93.0 and 93.4% and 93.4% respectively.

scholarly journals Effectiveness of Moringa oleifera seed powder as qcoagulant and reduction of TSS, COD, total coliform in the face water

2019 ◽  
Vol 61 (1) ◽  
pp. 101-109
Author(s):  
Nguyen Van Hoai Phong ◽  
Phan Thi Kim Thi ◽  
Nguyen Thao Nhu ◽  
Huynh Thi Thanh Truc ◽  
Keyword(s):  
Water Sample ◽  
Moringa Oleifera ◽  
Low Cost ◽  
Control Sample ◽  
Total Coliform ◽  
Coliform Bacteria ◽  
Coagulation Time ◽  
The Face ◽  
Natural Coagulants ◽  
Moringa Oleifera Seed

The use of plant-deriveded natural coagulants in water treatment systems is seen as solution to replace chemical coagulants. Among them, the Moringa oleifera has proved to be one of the most effective natural, low - cost, environmentally friendly water coagulants. In this study, Moringa oleifera has used from 0 g (control sample without coagulants) to 2.0 g of Moringa oleifera seed powder in one liter of the Tien river water sample, coagulation time in 1 hour, 3 hours, 6 hours. The results of the study showed that Moringa oleifera seed powder has antibacterial ability when adding 0.4 g per liter of water treated. The water sample has TSS of 93.3 mg/l, COD of 101 mg/l, and the presence of 1530 MPN/100ml Coliform bacteria. After one hour coagulation of treatment, it reduced to TSS, COD, and Coliform were found to be 13.3 mg/l, 18.7 mg/l, and 9 MPN/100ml, respectively. The efficiency of reduction for 76.92% TSS, 81.57% COD, and 99.41% Coliform.

scholarly journals Treatment of wastewater from the dairy industry with Moringa Oleífera using two different methods

2021 ◽  
Vol 10 (7) ◽  
pp. e21710716514
Author(s):  
Alana Lopes Junho ◽  
Ivan Felipe Silva dos Santos ◽  
Athos Moisés Lopes Silva ◽  
Regina Mambeli Barros ◽  
Danielle Ornaghi Sant'Anna ◽  
...  
Keyword(s):  
Moringa Oleifera ◽  
Saline Solution ◽  
Dairy Industry ◽  
Industrial Effluents ◽  
Effluent Treatment ◽  
Organic Load ◽  
Dairy Foods ◽  
Jar Test ◽  
Crude Sample ◽  
Natural Coagulants

Dairy foods represent a large market, grossing more than $125 billion per year worldwide. Dairy effluent has high organic load and therefore must be treated before disposing in the water bodies. Natural coagulants represent a good option for effluent treatment, among which is the Moringa Oleífera (MO) seed. In this sense, the present work experimentally evaluates the effluent treatment efficiency of the dairy industrial effluents using coagulants based on the MO seed, also discussing environmental and economic potentialities of seed planting. Evaluation was carried out by use of the MO seed both directly (comminuted) and in saline solution by Jar Test essay. The COD clarification and removal efficiency of the crude sample was evaluated for different initial turbidity and coagulant volume scenarios. The results showed a high turbidity reduction efficiency (between 97 and 99%) in most of the tests by the direct use of MO seeds. The cropped area required for this application in a dairy industry with processing of 10 m³ of milk per day was 1775 m². The use of MO seed in saline solution did not achieve the same efficiency, indicating the need to optimize the test parameters. The results might to base more extensive discussions of potentialities and limitations of the use of MO seed as a potential coagulant.

scholarly journals Reduction of Turbidity of Water Using Locally Available Natural Coagulants

2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Md. Asrafuzzaman ◽  
A. N. M. Fakhruddin ◽  
Md. Alamgir Hossain
Keyword(s):  
Water Treatment ◽  
Cicer Arietinum ◽  
Moringa Oleifera ◽  
Total Coliform ◽  
Water Soluble ◽  
Turbid Water ◽  
Environment Friendly ◽  
Dolichos Lablab ◽  
Jar Test ◽  
Natural Coagulants

Turbidity imparts a great problem in water treatment. Moringa oleifera, Cicer arietinum, and Dolichos lablab were used as locally available natural coagulants in this study to reduce turbidity of synthetic water. The tests were carried out, using artificial turbid water with conventional jar test apparatus. Optimum mixing intensity and duration were determined. After dosing water-soluble extracts of Moringa oleifera, Cicer arietinum, and Dolichos lablab reduced turbidity to 5.9, 3.9, and 11.1 nephelometric turbidity unit (NTU), respectively, from 100 NTU and 5, 3.3, and 9.5, NTU, respectively, after dosing and filtration. Natural coagulants worked better with high, turbid, water compare to medium, or low, turbid, water. Highest turbidity reduction efficiency (95.89%) was found with Cicer arietinum. About 89 to 96% total coliform reduction were also found with natural coagulant treatment of turbid water. Using locally available natural coagulants, suitable, easier, and environment friendly options for water treatment were observed.

scholarly journals Antibacterial activity of the white lily Moringa oleifera seed extract and its use in water treatment

2018 ◽  
Vol 5 (11) ◽  
pp. 699-707 ◽  
Author(s):  
Tânia Maria de Andrade ◽  
Krystyna Gorlach-Lira
Keyword(s):  
Water Treatment ◽  
Aqueous Extract ◽  
Water Samples ◽  
Moringa Oleifera ◽  
Heterotrophic Bacteria ◽  
Fecal Coliforms ◽  
Water Turbidity ◽  
Jar Test ◽  
Agar Diffusion Test ◽  
Moringa Oleifera Seed

White lily Moringa oleifera seed powder acts as a natural coagulant promoting the reduction of water turbidity by the coagulation and sedimentation of the suspended particles, also eliminating the microorganisms by sedimentation. The aqueous extract of M. oleifera presented an inhibitory capacity for the growth of Staphylococcus aureus, whereas the hydroalcoholic extract inhibited S. aureus, Salmonella typhimurium and Vibrio cholerae, using the agar diffusion test. Standard strains of Pseudomonas aeruginosa, Escherichia coli and Enterococcus faecalis were resistant to the extracts. The water treatment through the aqueous extract of M. oleifera seeds at 0.02% and 0.01% concentrations was evaluated with the water samples collected in the Sinibu River, Paraíba State, Brazil, using the jar test. The water samples analyzed in this work were characterized by low turbidity (2.8-3.0 NTU), and pH and alkalinity between 5.8-7.3 and 10-30 mg CaCO3/L, respectively. After water treatment with M. oleifera aqueous extract, it was observed that pH, turbidity and alkalinity did not change significantly. Total heterotrophic bacteria counts in the crude water samples were between 1.9 x 10^5 UFC/100 mL and 1.1 x 10^6 CFU/100 mL, while the number of fecal coliforms was between 2.3 x 10^2 NMP/100 mL and 2.4 x 10^3 NMP/100 mL. The counts of total bacteria and fecal coliforms in the water samples treated with aqueous white lily extract at both concentrations tested (0.02% and 0.01%) during the 1.5-hour period did not differ significantly when compared to the untreated water. The results obtained in this work indicate that low turbidity of water influenced the efficacy of M. oleifera extract in the removal of bacteria in the treated water, since the level of coagulation depends on water turbidity.

scholarly journals Processamento de sementes de Moringa oleifera utilizando-se diferentes equipamentos para obtenção de solução coagulante

2012 ◽  
Vol 16 (6) ◽  
pp. 661-666 ◽  
Author(s):  
Camila C. Arantes ◽  
Tulio A. P. Ribeiro ◽  
José E. S. Paterniani
Keyword(s):  
Moringa Oleifera ◽  
Jar Test

Desenvolveu-se este trabalho para avaliar o uso de quatro equipamentos no processamento das sementes de Moringa oleifera, visando à produção de solução coagulante a ser empregada no tratamento de água com turbidez obtida sinteticamente. Seis soluções coagulantes com diferentes tipos de processamento foram utilizadas em ensaios de coagulação, floculação e sedimentação em equipamento Jar-Test. A dosagem da solução coagulante utilizada foi 500 mg L-1 e os parâmetros avaliados foram turbidez e cor aparente; verificou-se, após 30 min de sedimentação, que para redução de turbidez e cor aparente os melhores processamentos foram com pilão e máquina de moer, respectivamente, sendo que em ambos os casos o peneiramento do pó foi essencial para a redução dos parâmetros em questão. Através de liquidificador e mixer, os índices de redução de turbidez e cor aparente foram os menores encontrados e a trituração das sementes durante o processamento na máquina de moer e no pilão remove parte do óleo neles presente, o que não ocorre com o uso do liquidificador e mixer, evidenciando que a retirada do óleo presente nas sementes resulta em solução coagulante com maior eficiência.

Screening and evaluation of natural coagulants for water treatment

2007 ◽  
Vol 7 (5-6) ◽  
pp. 19-25 ◽  
Author(s):  
K.R. Gunaratna ◽  
B. Garcia ◽  
S. Andersson ◽  
G. Dalhammar
Keyword(s):  
Drinking Water ◽  
Moringa Oleifera ◽  
Ion Exchange Chromatography ◽  
Exchange Chromatography ◽  
Coagulation Activity ◽  
Plant Seeds ◽  
Natural Coagulants ◽  
Red Bean ◽  
Fast Flow ◽  
Synthetic Clay

In developing countries many people are forced to drink turbid water and as a consequence many children are dying related to water borne diseases. Hence there is a need for inexpensive and easy methods to purify drinking water. The objective of this research is to screen different plant seeds to find a primary natural coagulant able to reduce the turbidity of the drinking water. The protein from 21 different seeds was extracted with water and salt solution and coagulation properties in synthetic clay solution were studied. The crude extract of Moringa oleifera (MO) showed the same coagulation activity as that of alum. The protein from red bean, sugar maize and red maize were promising in having coagulation activity, compared with a known coagulant protein from MO. These seeds were selected and purified to homogeneity with fast flow Sepharose ion exchange chromatography and the properties of the purified proteins were characterized. The characteristics of these coagulant proteins are different from MO protein based on molecular weight and ionic determinations. The coagulant proteins were temperature tolerant and can withstand temperature of around 85 °C and maintain the coagulation activity. The seeds identified as a coagulant source could be used as an alternative to chemicals for drinking water clarification.

scholarly journals Sensory Evaluation of Moringa- Probiotic Yogurt Containing Banana, Sweet Potato or Avocado

2015 ◽  
Vol 4 (5) ◽  
pp. 165 ◽  
Author(s):  
Megan Kuikman ◽  
Colleen P. O'Connor
Keyword(s):  
Protein Content ◽  
Sweet Potato ◽  
Sensory Evaluation ◽  
Moringa Oleifera ◽  
Fruits And Vegetables ◽  
Control Sample ◽  
Sensory Characteristics ◽  
Probiotic Yogurt ◽  
Sensory Qualities ◽  
Hedonic Scale

This study evaluated the effects of adding selected fruits and vegetables local to Mwanza, Tanzania on the sensory qualities of probiotic yogurt supplemented with <em>Moringa oleifera,</em> a local tree with a high micronutrient and protein content. A total of five samples were evaluated: 1) Probiotic yogurt (control), 2) <em>Moringa</em> probiotic yogurt, 3) <em>Moringa-</em>banana probiotic yogurt, 4) <em>Moringa</em>-sweet potato<em> </em>probiotic yogurt, and 5) <em>Moringa</em>- avocado probiotic yogurt. Consumers (n= 37) rated the five different samples on a 9-point hedonic scale for four sensory characteristics (flavour, appearance, texture and overall quality). The control sample and the <em>Moringa</em>-banana sample had significantly higher ratings (p&lt;0.05) than the <em>Moringa</em> sample for appearance, flavour, texture and overall quality. The <em>Moringa</em>-banana sample was not found to be significantly different than the control sample for all sensory characteristics (p&gt;0.05). Overall, the addition of banana to <em>Moringa</em> probiotic yogurt resulted in a product with comparable sensory qualities to probiotic yogurt alone.

scholarly journals Moringa oleifera seed as a natural coagulant to treat low-turbidity water by in-line filtration

2019 ◽  
Vol 14 (6) ◽  
pp. 1
Author(s):  
João Vitor Mariano Ribeiro ◽  
Priscila Vega Andrade ◽  
Adriano Gonçalves dos Reis
Keyword(s):  
Aqueous Solution ◽  
Moringa Oleifera ◽  
Cationic Proteins ◽  
Natural Coagulant ◽  
Jar Test ◽  
Coagulation Mechanism ◽  
Apparent Color ◽  
Ph Range ◽  
Moringa Oleifera Seed ◽  
Filtration Technique

This study evaluated the use of Moringa oleifera (MO) seed as a natural coagulant for the removal of turbidity and apparent color in the water treatment with low initial turbidity through the in-line filtration technique. The morphology and surface charge were investigated by characterization techniques such as optical microscopy, laser particle size, and zeta potential. The cationic proteins of the MO seed were extracted in aqueous solution. The jar test showed the potability standards for turbidity and apparent color were reached in the pH range from 4.0 to 8.5 and dosages ≥ 5 mg L-1 of MO. The dominant coagulation mechanism is adsorption and charge neutralization. This study showed that treating low-turbidity water with MO seed by the in-line filtration technique is possible.

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