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Journal articles on the topic 'Coagulant naturel'

Author: Grafiati

Published: 24 May 2025

Last updated: 31 July 2025

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1

Babineau, Daniel, Dominique Chartray, and Roland Leduc. "Étude comparative de deux floculants pour le traitement physicochimique d'une eau usée municipale : chitosane et polymère de synthèse." Water Quality Research Journal 43, no. 2-3 (2008): 219–29. http://dx.doi.org/10.2166/wqrj.2008.025.

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Abstract Le traitement des eaux usées municipales par voie physico-chimique requiert généralement l'utilisation d'un coagulant à base de sels métalliques et d'un floculant (ou aide-coagulant) synthétique. L'application du concept de développement durable dans le traitement des eaux privilégie une approche utilisant des produits renouvelables tels les biopolymères naturels. Des essais avec du chitosane (biopolymère naturel) comme floculant ont été effectués à l'échelle du laboratoire (jar test) et à l'échelle réelle (station municipale de type physico-chimique) afin de mieux comprendre les part

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2

Quiton, Khyle Glainmer, and Pauline Yarah Morales. "Utilization of Philippine Lime Waste (Citrofortunella macrocarpa) as a Natural Coagulant for ELJ Centre Domestic Wastewater Treatment." E3S Web of Conferences 566 (2024): 01001. http://dx.doi.org/10.1051/e3sconf/202456601001.

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Coagulation treatment is often performed prior to sedimentation and filtration. A coagulant is introduced to the wastewater and is used to remove suspended materials from water. Plant-based coagulants (PBC) are a type of coagulant that is widely used for the treatment of contaminated water in less urban areas because they appear to be lower in carrying cost-treated coagulates when compared to artificial coagulants. Citrus fruits are a type of PBC that is ongoing research. These naturally coagulate due to the presence of certain compounds, such as pectin, which is a structural fibre. In this st

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3

Cevallos, Coox Naomy Nicolle, Briones Gabriel Alfonso Burgos, and Mosquera Alexandra Córdova. "Evaluación de la eficacia de coagulantes sintéticos y naturales en el tratamiento de aguas residuales generadas en la producción de harina de pescado // Evaluation of the efficacy of synthetic and natural coagulants in the treatment of wastewater generated in the production of fishmeal." Publicaciones en Ciencias y Tecnología (e-ISSN: 2477-9660) 16, no. 2 (2022): 54–68. https://doi.org/10.5281/zenodo.6993155.

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<strong>Publicaciones en Ciencias y Tecnología, Vol 16, Nro 2, 2022.</strong> RESUMEN. El agua residual de las industrias productoras de harina de pescado presenta un alto contenido de materia orgánica, turbidez y grasas, lo que dificulta su tratamiento y disposición final. Este estudio consiste en evaluar la eficiencia de coagulantes naturales frente a coagulantes sintéticos en función de la turbidez y los factores que influyen en ella, mediante un estudio cuantitativo experimental. Los coagulantes naturales usados fueron gel de <em>Aloe vera</em> y muc&iacu

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Marey, AM. "Effectiveness of chitosan as a natural coagulant in treating turbid waters." Bionatura 4, no. 2 (2019): 856–60. http://dx.doi.org/10.21931/rb/2019.04.02.7.

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Aluminum, Lime and iron coagulants are commonly used in most industries for many decades to coagulate particles in surface water also removing turbidity from the water prior to flocculation, sedimentation or filtration. Although effective, inorganic coagulants have several disadvantages, there has been a concern about the relation between aluminum residuals in treated water and Alzheimer disease and toxic effects of metallic coagulants on the aquatic environment. Hence nowadays, there has been great attention in the improvement of natural coagulants in treated water such as chitosan; chitosan

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OLIVIO, Maiara Luzia Grigoli, Elizângela Flávia Jacob ESTEVES, and Dagmar Aparecida de Marco FERRO. "SEMENTES DE Moringa oleífera Lam: EFICIÊNCIA NO USO DE COAGULANTE BIOLÓGICO NO TRATAMENTO DE ÁGUA COM TURBIDEZ, COMPARADO AO COAGULANTE QUÍMICO SULFATO DE ALUMÍNIO." REVISTA FUNEC CIENTÍFICA - MULTIDISCIPLINAR - ISSN 2318-5287 9, no. 11 (2020): 1–18. http://dx.doi.org/10.24980/rfcm.v9i11.4032.

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Comumente o sulfato de alumínio é o coagulante químico utilizado nas Estações de Tratamentos para a clarificação da água, embora produza um lodo tóxico de difícil deposição no ambiente. No entanto, os coagulantes naturais como sementes de Moringa oleífera Lam. têm demonstrado vantagens para tratamento em comparação aos químicos, pela simplicidade de uso e baixo custo. O estudo objetivou analisar a eficiência coagulante da semente de Moringa oleífera na clarificação de água com turbidez e comparar com os parâmetros do coagulante químico sulfato de alumínio. As amostras de água foram coletadas n

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Carrasquero, Sedolfo, María Fernanda Martínez, María Gabriela Castro, Yoselín López, Altamira Díaz, and Gilberto Colina. "REMOCIÓN DE TURBIDEZ USANDO SEMILLAS DE Tamarindus indica COMO COAGULANTE EN LA POTABILIZACIÓN DE AGUAS." Bases de la Ciencia 4, no. 1 (2019): 19–44. https://doi.org/10.5281/zenodo.6654251.

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<strong>RESUMEN</strong> Los coagulantes químicos inorgánicos son los más usados actualmente en el proceso de potabilización; sin embargo, a través de estudios se ha demostrado que los mismos tienen un efecto perjudicial en la salud de los seres humanos. El objetivo de la investigación fue evaluar la eficiencia de las semillas de tamarindo (Tamarindus indica) como coagulante natural en el proceso de potabilización de las aguas. Se usó el ensayo de jarras para simular el proceso de coagulación, floculación y sedimentaci&oacut

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Carrasquero, Sedolfo, María Fernanda Martínez, María Gabriela Castro, Altamira Díaz, and Gilberto Colina. "Remoción de turbidez usando semilla de Tamarindus indica como coagulante en al potabilización de aguas." Revista Bases de la Ciencia. e-ISSN 2588-0764 4, no. 1 (2019): 19. http://dx.doi.org/10.33936/rev_bas_de_la_ciencia.v4i1.1424.

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 Los coagulantes químicos inorgánicos son los más usados actualmente en el proceso de potabilización; sin embargo, a través de estudios se ha demostrado que los mismos tienen un efecto perjudicial en la salud de los seres humanos. El objetivo de la investigación fue evaluar la eficiencia de las semillas de tamarindo (Tamarindus indica) como coagulante natural en el proceso de potabilización de las aguas. Se usó el ensayo de jarras para simular el proceso de coagulación, floculación y sedimentación, y determinar la efectividad del preparado con semillas, sin desgrasar y desgrasadas, y com

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8

S, Kamel, Zaki Z. Z. M, and Kassim J. "The Effectiveness of Psophocarpus Tetragonolobus’s Seed as Turbidity Removal." International Journal of Engineering & Technology 7, no. 3.11 (2018): 144. http://dx.doi.org/10.14419/ijet.v7i3.11.15949.

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High turbidity in water not only will reduce the quality of water itself but it can give impact to the ecosystem as well. In water treatment, coagulation and flocculation are the process involved in removing turbidity. Chemical coagulant such as aluminium sulfate (Alum) and ferric chloride are effective way and widely used in order to remove the turbidity in water. However, these chemical coagulants have a side effect in spite of the effectiveness in turbidity removal, the usage of alum and other chemical coagulants bring concerns due to its impact to the environment, human health and economy.

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Panneerselvam, V. Pon. "Reduction of Toxic Parameters in Effluents Through Coagulation and Flocculation Using Natural Plant Fibers." International Journal of Advance Research and Innovation 4, no. 1 (2016): 43–50. http://dx.doi.org/10.51976/ijari.411607.

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The present study deals with the determination of physical and chemical parameters inthe treatment process of waste water by flocculation and coagulation processes using natural coagulants and assessing their feasibility for water treatment by comparing the performance with each other and with a synthetic coagulant. Initial studies were done on the synthetic waste water to determine the optimal pH and dosage, the activity of natural coagulant, followed by the real effluent from tannery waste. The raw tannery effluent was bluish-black in colour, mildly basic in nature, with high COD 4000mg/l an

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Imran, Muhammad, Shahbaz Nasir Khan, Saba Abid, and Hafiz Muhammad Safdar Khan. "PERFORMANCE EVALUATION OF NATURAL COAGULANTS FOR WASTEWATER TREATMENT." Science Heritage Journal 7, no. 1 (2023): 37–42. http://dx.doi.org/10.26480/gws.01.2023.37.42.

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Fewer water resources and Wastewater is the main problem these days. There are many methods to treat water, one of them is coagulation and flocculation, used to remove impurities, turbidity, and absorbed metals in water. Aluminum, iron coagulant, charcoal, alum, and many other chemical methods are used for this purpose in industries. But these coagulants have bad effects on human health. So this study is to focus on alternatives of these coagulants by finding efficient natural coagulants. Good natural coagulants are those that contain protein soluble properties and basicity. Some of the Altern

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Kanyimbo, Elisha, Joel B. Njewa, and Emmanuel Goomzy Mwase. "Turbidity Removal from Sullage Wastewater Using Musa paradisiaca Peels as a Natural Coagulant." Asian Journal of Chemical Sciences 14, no. 5 (2024): 18–24. http://dx.doi.org/10.9734/ajocs/2024/v14i5320.

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The use of inorganic commercial coagulants for water and wastewater clarification has been linked to the prevalence of human health and environmental issues. Natural coagulants are currently being explored as an alternative option for replacing synthetic coagulants. This present study, examines the use of Musa paradisiaca peels as a natural based coagulant for turbidity reduction in sullage wastewater. Musa paradisiaca peels, alum and blended were used in the study as coagulants for sullage wastewater clarification. The blended coagulant was prepared by combining the Alum and Musa paradisiaca

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12

Sivaraman, P. "Potential of Strychnos Potatorum and Eirchorrnia Crassipes in Treating Dyeing Industry Waste." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 2454–59. http://dx.doi.org/10.22214/ijraset.2021.34825.

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The research aim is to the treatment of industrial dyeing waste water for the analysis of improved water treatment using natural coagulants. For waste water treatment, natural coagulants such as Strychnos potatorum (nirmali seeds) and Eirchorrnia crassipes (water hyacinth) are used. We have test the various properties of dyeing waste water before and after treatment like pH, sulphates, chlorides, total solids, total suspended solids (TSS), total dissolved solids (TDS), acidity, alkalinity, optimum coagulant dosage (jar apparatus), biological oxygen demand (BOD) and chemical oxygen demand (COD)

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13

Premkumar, R., S. Rajesh, and M. Prasanna venkadesh. "Feasibility Study on Application of Natural Coagulants." Journal of Physics: Conference Series 2070, no. 1 (2021): 012186. http://dx.doi.org/10.1088/1742-6596/2070/1/012186.

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Abstract Creating nations are confronting consumable water gracefully issues because of lacking money-related assets. The expense of water treatment is expanding, and the nature of waterway water isn’t steady because of a suspended and colloidal molecule load brought about via land advancement and high tempest overflow during the stormy season. Because of numerous issues made by utilizing engineered coagulants a popularity to locate an elective characteristic coagulant emerges. In this exertion, an endeavor is made to examine the likelihood of normal coagulants like Cassia Alata, Calotropis Pr

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Sivalingam, Sivamani, Vijayaraghavan Gopal, and Vimalkumar Adichakkravarthy. "EFFICIENT REMOVAL OF MAGENTA DYE FROM WATER BY BOTH NATURAL AND CHEMICAL COAGULANTS." RASAYAN Journal of Chemistry 16, no. 01 (2023): 307–11. http://dx.doi.org/10.31788/rjc.2023.1618115.

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Reactive magenta dye (RMD) has been removed from the aqueous solution by different coagulants such as natural coagulants Moringaoleifera (MO), Strychnos potatotrum (SP), and Alum chemical coagulants (AC) respectively. All these three coagulants were studied with various parameters to optimize the maximum removal %, like coagulant dosage from 10 ml to 60 ml, RMD concentration range of 100 mg/L to 500 mg/L, contact time between 10 min to 60 min, and pH kept neutral. The maximum percentage removal was achieved by SP coagulant at 60 min contact time, 100 mg/L dye concentration, and 60 ml coagulant

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S, Cheshmekhezr. "New Approaches in Drinking Water and Wastewater Treatment Coagulation System: A Mini - Review." Open Access Journal of Waste Management & Xenobiotics 2, no. 3 (2019): 1–5. http://dx.doi.org/10.23880/oajwx-16000128.

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Turbidity and natural organic matters (NOMs) cause change in odor, color, and taste of drinking water as well as increasing the concern of bacterial growth in water and wastewater. This article aims to review the coagulation process and to introduce the po tential approaches that can help the water and wastewater authorities to come up with the best coagulant selection. The coagulation is a physicochemical process that is used in the conventional treatment process to reduce turbidity, suspended particles, an d NOMs. Aluminum sulfate (alum) and ferric chloride are the most common coagulants tha

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Kryzhanovska, Yana, Mukola Gomelya, and Inna Trus. "THE EFFECTIVENESS OF COAGULANTS FOR TURBIDITY AND COLOR REMOVAL FROM NATURAL WATER." Journal of Chemical Technology and Metallurgy 59, no. 6 (2024): 1279–87. http://dx.doi.org/10.59957/jctm.v59.i6.2024.2.

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In this work, the effectiveness of the use of coagulants Al2(SO4)3·18H2O and RM-1 in reducing the level of turbidity and colour (reduction in colour) of natural water was investigated. The object of the study is natural water, namely water from the Dnipro River. The results showed that the optimal dose of coagulant Al2(SO 4)3‧ 18H2O was 10.0 mg dm-3. The optimal dose of coagulant RM-1 was also 10.0 mg dm-3. Residual turbidity and colour are reduced to 0.0 mg dm-3, 12.50, 190, when using Al2(SO4)3·18H2O and RM-1, respectively. Since the residual concentration of aluminium in purified water in a

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Ang, Teik-Hun, Kunlanan Kiatkittipong, Worapon Kiatkittipong, et al. "Insight on Extraction and Characterisation of Biopolymers as the Green Coagulants for Microalgae Harvesting." Water 12, no. 5 (2020): 1388. http://dx.doi.org/10.3390/w12051388.

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This review presents the extractions, characterisations, applications and economic analyses of natural coagulant in separating pollutants and microalgae from water medium, known as microalgae harvesting. The promising future of microalgae as a next-generation energy source is reviewed and the significant drawbacks of conventional microalgae harvesting using alum are evaluated. The performances of natural coagulant in microalgae harvesting are studied and proven to exceed the alum. In addition, the details of each processing stage in the extraction of natural coagulant (plant, microbial and ani

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Giwa, Saidat Olanipekun, Danladi Yakubu Said, Mustapha Danladi Ibrahim, and Abdulwahab Giwa. "Textile Wastewater Treatment Using Sodom Apple (Calotropis procera) - Aided Tamarind Seed as a Coagulant." International Journal of Engineering Research in Africa 32 (September 2017): 76–85. http://dx.doi.org/10.4028/www.scientific.net/jera.32.76.

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Water contamination seems unavoidable as many human activities involve the use of water in one way or the other. Chemical coagulants, especially aluminium based, which are widely used in treatment of wastewater or contaminated water have been associated with some health issues. Research on the use of plant based coagulants in water treatment now draws a lot of attentions, not only because the natural coagulants are presumed safe but also because of their biodegradable nature. In this present study, efforts have been made to evaluate the effectiveness of locally available tamarind seed powder a

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Rayudu, E. Sanjeeva, A. Likhitha, K. Sudhakar Reddy, and G. Nagesh Kumar. "A Study on Dragon Fruit Foliage as Natural Coagulant and Coagulant Aid for Water Treatment." IOP Conference Series: Earth and Environmental Science 982, no. 1 (2022): 012040. http://dx.doi.org/10.1088/1755-1315/982/1/012040.

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Abstract Due to the heavy pollution all over the world, quality has decreased in nature. Water is the most essential in everyone’s life. The contamination of water with organic and inorganic matters are harmful to the society. Turbidity is caused by these matters which are colloidal and suspended solids and there is a requirement to remove these matters for the water to be useful. Coagulation and flocculation are the most generally picked strategies to reestablish acceptability and work on the tasteful appearance of water. This procedure brings about the colloidal particles destabilization and

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Achmad, Feerzet, Deviany Deviany, Fajri Aditya, Anggi Oktasari, Suhartono Suhartono, and Suharto Suharto. "Utilization of Aloe Vera Extract as A Natural Coagulant and its Effect on The Characteristics of IRR 118 Clone Rubber." Jurnal Rekayasa Kimia & Lingkungan 18, no. 1 (2023): 82–92. http://dx.doi.org/10.23955/rkl.v18i1.27896.

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Rubber is one of the plantation products as a foreign exchange earner for the country. The process of processing rubber requires coagulants to accelerate coagulation. Aloe vera is a plant that contains compounds of organic acids, is expected to be able to accelerate the coagulation process. The purpose of this study was to determine the effect of the use of natural coagulants of aloe vera extract on the characteristics of IRR 118 clone rubber. The variations of the extracts used are natural coagulant extracts of aloe centrifugation and no centrifugation and the chemical coagulant format acid 3

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Chitra, D., and L. Muruganandam. "Performance of Natural Coagulants on Greywater Treatment." Recent Innovations in Chemical Engineering (Formerly Recent Patents on Chemical Engineering) 13, no. 1 (2020): 81–92. http://dx.doi.org/10.2174/2405520412666190911142553.

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Background: Reusing waste water by appropriate treatment is an effective method for substantiating the ever increasing water demand for construction, irrigation, domestic and industrial purposes. The greywater is the domestic waste water that does not contain the toilet effluent and it is converted and used for non-potable purpose through coagulation and flocculation by using natural coagulant. Objective: The main objective of this work is to evaluate the coagulating efficiencies of various natural coagulants on synthetic greywater by varying pH, mixing speed, mixing time and coagulant dosage.

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Christian, M. J. B. Putra, H. Kristianto, S. Prasetyo, A. K. Sugih, and A. A. Arbita. "Removal of Congo red and tartrazine binary mixture using Leucaena leucocephala seed’s extract as natural coagulant." IOP Conference Series: Earth and Environmental Science 1388, no. 1 (2024): 012001. http://dx.doi.org/10.1088/1755-1315/1388/1/012001.

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Abstract The textile industry is one of the industries that produces wastewater with complex contents and has the potential to pollute the environment. Consequently, wastewater treatment is required to prevent this problem. The utilization of natural coagulants to treat dye wastewater has been carried out by various researchers. However, most of the research only uses a single dye as the wastewater model, despite the complex nature of the real wastewater. Therefore, in this study crude extract of Leucaena leucocephala seed was used to coagulate single and binary dye mixtures with Congo red and

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Al-Aubadi, Inas M. K., and Luay Q. Hashim. "Purification of Turbid Water Using Orange Peel Extract and Luffa Mucilage." Basrah Journal of Agricultural Sciences 35, no. 2 (2022): 259–70. http://dx.doi.org/10.37077/25200860.2022.35.2.19.

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The increase in aluminum ion concentration resulting from chemical coagulants in water treatment causes human health problems, including damage to brain cells and Alzheimer's disease. Therefore, numerous countries sought to find alternative coagulants extracted from natural, environmentally friendly organic sources for use in water treatment. The research included preparing an aqueous extract from orange peel, extracting luffa mucilage, as well as, calculating the yield, estimating the size of mucilage particles, and using them as plant coagulants to purify turbid water. Moreover, the optimum

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Yu, Xiao, and Ying Fu. "Progress in Research and Application of Natural Polymer Coagulants." E3S Web of Conferences 143 (2020): 02042. http://dx.doi.org/10.1051/e3sconf/202014302042.

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In recent years, natural polymer coagulant has become a hot spot in the field of coagulants due to its safety, harmlessness and biodegradability. This paper introduced the status quo of research of natural polymer coagulants such as starch, chitosan, cellulose and lignin coagulants. And some hot applications in water treatment were discussed, such as heavy metal wastewater, dye wastewater, microalgae collection and sludge dewatering. Finally, the development trend of natural polymer coagulants was prospected.

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Ng, Meng Hong, and Mohamed Soliman Elshikh. "Utilization of Moringa oleifera as Natural Coagulant for Water Purification." Industrial and Domestic Waste Management 1, no. 1 (2021): 1–11. http://dx.doi.org/10.53623/idwm.v1i1.41.

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The plant-based natural coagulant has the potential to substitute the chemical coagulant in the water treatment process. In this work, the potential of plant-based natural coagulants in the ability of turbidity removal was identified. The Moringa oleifera seed was selected for the batch analysis test such as pH, contact time, agitation, and dosage. The high alkaline water decreases the effectiveness of plant-based natural coagulants. The agitation and contact time show the importance of the coagulation process. The optimum turbidity removal rate in pH is 4, the contact time is 60 seconds and 3

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Piluharto, Bambang, Mufrihah Nurhayati, and Asnawati Asnawati. "CHITOSAN-BASE COAGULANTS IN COAGULATION-FLOCCULATION OF KAOLIN SUSPENSION." JURNAL KIMIA MULAWARMAN 16, no. 1 (2019): 16. http://dx.doi.org/10.30872/jkm.v16i1.668.

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Coagulation-flocculation is one of the waste water treatments using coagulant/flocculants agent. Using coagulant/flocculants based on natural polymers were many used due to many available, renewable source, and environment friendly. One of that coagulant/flocculants was chitosan that can be produced through deacetylation of chitin. Amino groups in the chitosan structure play important role in the coagulant/flocculants process. The aim of research is using chitosan-based coagulants in the coagulation-flocculation of kaolin suspension. In here, there were two coagulants type, first, single coagu

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Abdul. Ahad, Muna Yousif, and Samer Jalil Ibrahim. "Use of non-Conventional Material to Remove Cu+2 ions from Aqueous Solutions using Chemical Coagulation." Journal of Engineering 21, no. 5 (2015): 20–34. http://dx.doi.org/10.31026/j.eng.2015.05.02.

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Coagulation - flocculation are basic chemical engineering method in the treatment of metal-bearing industrial wastewater because it removes colloidal particles, some soluble compounds and very fine solid suspensions initially present in the wastewater by destabilization and formation of flocs. This research was conducted to study the feasibility of using natural coagulant such as okra and mallow and chemical coagulant such as alum for removing Cu and increase the removal efficiency and reduce the turbidity of treated water. Fourier transform Infrared (FTIR) was carried out for okra and mallow

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Sibartie, Sheena, and Nurhazwani Ismail. "Potential of Hibiscus Sabdariffa and Jatropha Curcas as Natural Coagulants in the Treatment of Pharmaceutical Wastewater." MATEC Web of Conferences 152 (2018): 01009. http://dx.doi.org/10.1051/matecconf/201815201009.

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Pharmaceutical wastewater is one of the most difficult wastewater to treat due to the presence of pharmaceutical compounds resulting in high concentration of organic matter, high turbidity and Chemical Oxygen Demand (COD). Chemical-based coagulation is a common method used to treat wastewater. However, the issue that has been raised with the use of chemical coagulants is their presence in water after treatment that can cause risks to the human health such as Alzheimer and cancer. Natural coagulants can be used as a safe alternative to these chemicals instead. Therefore, the objective of this e

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Panwar, Kartika, Itika Dadhich, Mayank Dave, Yagya Sharma, and Nagaraju Shaik. "Effective Waste Water Treatment by the Application of Natural Coagulants." Advances in Materials Science and Engineering 2022 (September 20, 2022): 1–5. http://dx.doi.org/10.1155/2022/3023200.

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The natural water contamination because of the population growth, industrialization, urbanization, sewage from households, industries, institutions, and hospitals, among other things, has increased. After using in various ways, this water turns into wastewater, completing the hydrological cycle. Waterways that are contaminated pose numerous hazards to health and environment. As a result, contaminants must be removed. Coagulation is an effective basic chemical treatment technique that could be used to remediate such pollutants. The majority of people in rural areas are compelled to rely on easi

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Ismawati, Riva, Rina Rahayu, and Rizqa Puspitarini. "Potential Utilization of Lamtoro Leaves (Leucaena leucocephala) as Natural Coagulants." Indonesian Journal of Science and Education 7, no. 1 (2023): 1–6. http://dx.doi.org/10.31002/ijose.v7i1.566.

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Water is a vital element for human beings. However, there are still limited clean water services in Indonesia. Raw water treatment is needed to ensure the availability of clean water. One of the methods is by using the coagulation process. The coagulant functions to speed up the coagulation process. Although effective in water treatment, chemical coagulants have some disadvantages. Therefore, it is necessary to develop natural coagulants to overcome the weakness of chemical ones. Natural ingredients can be used as coagulants if they have many macromolecules. Lamtoro leaves are one of the natur

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Noor Shakir Ali and Ali Jwied Jaeel. "Turbidity and TSS removal from textile wastewater using a combination of natural and chemical coagulants." Wasit Journal of Engineering Sciences 7, no. 2 (2020): 36–43. http://dx.doi.org/10.31185/ejuow.vol7.iss2.128.

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Abstract: Recently natural coagulants are a consistently expanded; plants extracted coagulant which may be adopted in the coagulation-flocculation activity of textile wastewater treatment for reduction concentration of turbidity and total suspended solids. In this study, the possibility of a combination between chemical coagulant (alum) and natural plant coagulant (Capparis Spinosa) in excluding turbidity and total suspended solids from textile wastewater has been studied. A set of experiments were implemented for verifying the turbidity and TSS removal efficiency using alum and powder extract

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Mirbolooki, Hanieh, Mehran Parsa, Shamim Moghadami, Fatemeh Ghanbari, and Fariba Ostovar. "Use of Plant-Based Coagulants Sorghum Bicolor and Trifolium Repens as Future Alternatives for Textile Wastewater Treatment Based on Computational Model." Journal of Global Humanities and Social Sciences 5, no. 3 (2024): 106–13. http://dx.doi.org/10.61360/bonighss242016120301.

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Sorghum bicolor and Trifolium repens extracts as plant coagulants can be used for wastewater treatment instead of chemical coagulants. This study investigates the effects of pH and coagulant dose on COD and turbidity reduction by natural coagulants. In the optimum treatment conditions of 100 mg/L coagulant dose and pH 7, high turbidity (81.34%), and COD reduction (62%) (compared with alum and FeCl3) were obtained. The percentage of COD reduction is higher in Trifolium repens than the other plant coagulant, and the percentage of turbidity reduction is higher in Sorghum bicolor. FT-IR spectra we

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Esther Jebarani Rayer, Mimi Suliza Muhamad, Najeeha Mohd Apandi, Norshuhaila Mohamed Sunar, and Roslinda Ali. "Combined Effects of Banana Peels and Pith as Dual Natural Plant-Based Coagulants for Turbidity Removal." Journal of Advanced Research in Applied Mechanics 116, no. 1 (2024): 75–87. http://dx.doi.org/10.37934/aram.116.1.7587.

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Plant-based coagulants are foreseen for their coagulation ability in par with chemical coagulants owing to their biodegradability, availability, and effectiveness, while chemical coagulants are known to pose a threat to the environment due to generation of toxic sludge. This study investigates the performance of combined banana peels and banana pith as dual natural plant-based coagulants for turbidity removal. Banana peel powder solution (BPPS), banana pith juice (BPJ), and the combination of BPPS and BPJ were prepared via several steps, including drying, grinding, sieving, mixing, and crushin

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Pramod, D. Sutar, M. Bhosale Shrikant, and C. Chavan Mayur. "Use of Natural Coagulants for Primary Treatment of Dairy Wastewater Treatment A Review." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 2227–30. https://doi.org/10.31142/ijtsrd12712.

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Dairy Industry is one of the huge food processing industry in the world. The amount of wastewater produce is very high and is treated with many natural coagulants instead of chemical coagulants. Well known natural coagulant Moringaoleifera is used for dairy wastewater treatment which is having coagulant property of about 80 to85 . Various doses are given for raw sample and tests like BOD, COD, Turbidity, Total Solids etc. are carried out and optimum dose is calculated. As dose increases turbidity increases. The reduction of various parameters takes place.Moringaoleifera is more efficient than

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Abtahi, Mehrnoosh, Ali Koolivand, Sina Dobaradaran, et al. "Defluoridation of synthetic and natural waters by polyaluminum chloride-chitosan (PACl-Ch) composite coagulant." Water Supply 18, no. 1 (2017): 259–69. http://dx.doi.org/10.2166/ws.2017.085.

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Abstract Removal of fluoride from drinking water by polyaluminum chloride-chitosan (PACl-Ch) composite coagulant was studied in a batch system. Two types of PACl-Ch coagulant were synthetized as PACl-Ch I and PACl-Ch II with chitosan to aluminum (Ch:Al) weight ratios of 0.5 and 1.0, respectively, and were used for defluoridation under different operating conditions. The composite coagulants were found to be more efficient than both PACl and chitosan. By an increase in the Ch:Al ratio from 0.5 to 1.0, the composite coagulant provided a little more efficiency of fluoride removal and lower residu

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Domingues, Julia Aoki, Nelson Consolin Filho, Luiz Augusto Gomes de Souza, and Flávia Vieira da Silva Medeiros. "Coagulation Activity of the Seed Extract from Zygia cauliflora (WILLD.) KILLIP applied in Water Treatment." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 15, no. 6 (2020): 1. http://dx.doi.org/10.4136/ambi-agua.2611.

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The use of natural coagulants is a promising alternative to replace or assist chemical coagulants due to its numerous advantages. This paper evaluates the effectiveness of a natural coagulant in water treatment. The coagulant was extracted from the Zygia cauliflora (Willd.) Killip seed in saline solutions and defatted using 95% ethanol. The tests were conducted using different concentrations of the coagulant (0.1, 0.5, 1.0, 2.0, 3.0, and 4.0 g L-1) and of NaCl (0.0 M, 1.0 M, and 5.0 M). The results showed that the use of 2 g L-1 of coagulant and 1.0 M of the salt achieved an effectiveness of 2

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Prodanovic, Jelena, Marina Sciban, Dragana Kukic, Vesna Vasic, Nevena Blagojev, and Mirjana Antov. "The purification of natural coagulant extracted from common bean on IRA 958 Cl anion exchange resin." Journal of the Serbian Chemical Society, no. 00 (2020): 31. http://dx.doi.org/10.2298/jsc200311031p.

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Natural coagulants are of organic nature and can increase organic load of treated water, thus they require purification in order to remove compounds that do not have coagulation activity. In this work natural coagulant was extracted from 50 g L-1 of ground common bean with 0.5 mol L-1 NaCl. Proteins from this crude extract were precipitated by adding ammonium-sulphate. After precipitation, separation and resolution of proteins, further purification was done by anion-exchange resin Amberlite IRA 958 Cl in batch process. Partially purified coagulant eluted by 2 mol L-1 NaCl solution achieved the

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Shaylinda, M. Z. N., N. M. M. N. Jismi, A. N. A. Nazari, et al. "Degradation of chemical oxygen demand, suspended solids and ammoniacal nitrogen from sewage by sweet potato peel coagulant under the influence of pH." IOP Conference Series: Earth and Environmental Science 1347, no. 1 (2024): 012022. http://dx.doi.org/10.1088/1755-1315/1347/1/012022.

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Abstract Coagulation is a common treatment stage included in conventional sewage treatment. Various chemical, synthetic and natural coagulants in the form of single, dual and composite were applied in this treatment stage. However, the application of natural coagulants made from food waste is still uncommon. Thus, this study compares the ability of sweet potato peel as a composite coagulant (PACSPP), dual coagulant (PAC+SPP) and single coagulant (SPP) under the influence of pH in removing chemical oxygen demand (COD), suspended solids (SS) and ammoniacal nitrogen (AN) from sewage wastewater. R

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Sulaymon, Abbas H., Muna Y. Abdul-Ahad, and Roaa A. Mahmood. "Removal of Water Turbidity by Different Coagulants." Journal of Engineering 19, no. 12 (2023): 1566–75. http://dx.doi.org/10.31026/j.eng.2013.12.06.

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During the last decade, there has been a concern about the relation between aluminum residuals in treated water and Alzheimer disease, and more interest has been considered on the development of natural coagulants. The present study aimed to investigate the efficiency of alum as a primary coagulant in conjunction with mallow, Arabic gum and okra as coagulant aids for the treatment of water samples containing synthetic turbidity of kaolin. Jar test experiments were carried out for initial raw water turbidities 100, 200 and 500 (NTU). The optimum doses of alum, mallow, Arabic gum and okra were 2

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Syafalni, S., Ismail Abustan, Siti Nor Farhana Zakaria, Mohd Hafiz Zawawi, and Rafini Abd Rahim. "Raw water treatment using bentonite-chitosan as a coagulant." Water Supply 12, no. 4 (2012): 480–88. http://dx.doi.org/10.2166/ws.2012.016.

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The effectiveness of bentonite using chitosan as a coagulant for raw water treatment was assessed in this study. The possible link between Alzheimer's disease with conventional aluminium based coagulants, has become an issue in water treatment. A method for treating water, using a natural approach as an alternate to achieve enhanced coagulation, might help to reduce risk to health, and be more environmentally friendly. One method for removing turbidity from raw water is by the adding of a primary coagulant (e.g., a natural polymer of chitosan) and a coagulant aid (e.g., natural clay of bentoni

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Alekseev, Evgeny, and Svetlana Shambina. "Coagulation of waste water from the point of view of physic-chemical interactions." E3S Web of Conferences 263 (2021): 04011. http://dx.doi.org/10.1051/e3sconf/202126304011.

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The widespread use of reagent coagulation in the technology of purification of natural and waste waters is due to the complexity of the chemical composition and phase-dispersed state of the aqua systems of these waters, on the one hand, and the multifactorial action of coagulants on them, on the other. The mechanisms of interaction between coagulants and pollutants of wastewater which are in different phase-dispersed states include the physicochemical phenomena of coagulation, heterocoagulation, adagulation and sorption. The physicochemical concept “coagulation” reflects only one mechanism of

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Dr., R. Mohana. "Utilization of Natural Coagulant in Turbidity Removal and Oxygen Demand Reduction." Journal of Environmental Engineering and Studies 4, no. 2 (2019): 18–24. https://doi.org/10.5281/zenodo.3236701.

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Access to clean water is the significant need in all nations on the planet in which a great many people and living life forms pass on because of tainted water-related ailments consistently. Various consequences have reported the direct and indirect toxic effects of alum in the form of allergies, tumours and cancers. To exchange alum as coagulants, the mixture of pomegranate peel and banana peel used as coagulants in liquid treatment via coagulation-flocculation procedures were examined. pH and coagulants amount were identified for the mixtures of banana peel with pomegranate peel. The investig

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Koelln, Aline de Oliveira, Talita Werberich De Medeiros, Karoline Carvalho Dornelas, Adriana Garcia Do Amaral, Roselene Maria Schneider, and Milene Carvalho Bongiovani. "Coagulation/Floculation Of Slaughter Effluent Using Moringa Oleifera Lam as A Coagulant." Revista de Gestão Social e Ambiental 18, no. 3 (2024): e04774. http://dx.doi.org/10.24857/rgsa.v18n3-055.

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Objective: In view of the growing need for low-cost, easily accessible alternative wastewater treatments, this study aimed to evaluate the influence of a natural product (Moringa oleifera lam), when used as a coagulant, on the removal of turbidity and color from a pig slaughterhouse effluent.  Method/design/approach: The coagulant was prepared in saline solution (NaCl - 1M) and saline solution (KCl - 1M), all the coagulant solutions were prepared at the time of the test. In order to assess the effect of the coagulant on the effluent, coagulation/flocculation tests were carried out

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Aziz, Hamidi Abdul, Nur Syahirah Rahmat, and Motasem Y. D. Alazaiza. "The Potential Use of Nephelium lappaceum Seed as Coagulant–Coagulant Aid in the Treatment of Semi-Aerobic Landfill Leachate." International Journal of Environmental Research and Public Health 19, no. 1 (2021): 420. http://dx.doi.org/10.3390/ijerph19010420.

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Chemical-based coagulants and flocculants are commonly used in the coagulation–flocculation process. However, the drawbacks of using these chemical materials have triggered researchers to find natural materials to substitute or reduce the number of chemical-based coagulants and flocculants. This study examines the potential application of Nephelium lappaceum seeds as a natural coagulant–coagulant aid with Tin (IV) chloride (SnCl4) in eliminating suspended solids (SS), colour, and chemical oxygen demand (COD) from landfill leachate. Results showed that the efficiency of Nephelium lappaceum was

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Shahzadi, Fakhara, Sajjad Haydar, and Shamas Tabraiz. "Optimization of Coagulation to Remove Turbidity from Surface Water Using Novel Nature-Based Plant Coagulant and Response Surface Methodology." Sustainability 16, no. 7 (2024): 2941. http://dx.doi.org/10.3390/su16072941.

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Plant-based natural coagulants are considered potential alternatives to chemical coagulants. These are eco-friendly, non-toxic, and produce less sludge compared to chemical coagulants. This study aims to evaluate the coagulation potential of a novel plant-based coagulant Sorghum for canal water treatment. In addition, a coagulant aid, i.e., Aloe Vera, was also tested to examine any further increase in turbidity removal through a jar test apparatus. Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM) were used to characterize the coagulants. The experiment was

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Ramal, Majeed Mattar, Arkan Dhari Jalal, Mohammed Freeh Sahab, and Zaher Mundher Yaseen. "River water turbidity removal using new natural coagulant aids: case study of Euphrates River, Iraq." Water Supply 22, no. 3 (2021): 2721–37. http://dx.doi.org/10.2166/ws.2021.441.

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Abstract For turbidity removal, most drinking water treatment plants are using coagulants due to the presence of suspended and colloidal materials at the coagulation and flocculation units. Aluminium and sulphates salts are the widely used coagulants, such as aluminium sulphate (Alum) and ferric chloride. However, several researches have linked Alzheimer's disease to the use of aluminium sulphate. Hence, scholars have conducted several researches on the possibility to reduce the amount of aluminium sulphate by using natural material/plants base as coagulant aids. In this study, Mallow's Leaves

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Selvaraj, Komathy, Lariyah Mohd Sidek, Megat Johari Megat Mohd Noor, Pramila Tamunaidu, and Masafumi Goto. "Alternative Approach to Conventional River Water Treatment Using Natural Coagulant." International Journal of Engineering & Technology 7, no. 4.35 (2018): 739. http://dx.doi.org/10.14419/ijet.v7i4.35.23099.

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Extensive studies have been conducted to discover natural, efficient and cost-saving coagulants for water treatment. Meanwhile, chemical coagulants are being used conventionally in drinking water treatment. This study investigates the efficacy of diatomite as a natural coagulant in river water treatment. First, synthetic turbid water was used to validate the coagulant efficiency. Then, coagulation and flocculation behaviors were studied by using the river water samples from Langat River and Semenyih River. Turbidity removal efficiency of synthetic turbid water revealed that a low dosage of 3.5

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Chew, Jenny Siew Lee, Agnes Yin Yee Ho, Boon Chin Lim, et al. "New Natural Coagulant Aid in Water Treatment." MATEC Web of Conferences 203 (2018): 03004. http://dx.doi.org/10.1051/matecconf/201820303004.

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Natural source of coagulant is certainly being considered in addressing the disadvantages associated with the use of inorganic coagulants. Annona muricata is hypothesized to be new material as natural coagulant aid in coagulation-flocculation process. On the other hand, due to the high lipids content in microalgae, namely, Chlorella vulgaris is used in producing renewable energy, i.e. biodiesel. Coagulation-flocculation is an effective method in microalgae harvesting. Thus, in this study, a novel natural coagulant aid extracted from fruit waste in algae harvesting. It is aimed to (1) to extrac

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Mussina, U., L. Kurbanova, B. Tussupova, G. Bizhanova, and S. Sarsenbayev. "Development of the coagulant obtaining technology from substandard bauxite of Kazakhstan for wastewater treatment." Engineering Journal of Satbayev University 147, no. 2 (2025): 24–30. https://doi.org/10.51301/ejsu.2025.i2.04.

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One of the important environmental problems of Kazakhstan is the insufficient quality of natural and wastewater treatment, the reason for which is the lack of the main, mandatory reagent in water purification technology – coagulant. Aluminum-containing natural and man-made raw materials can be comprehensively processed in order to obtain modified mixed reagents-coagulants. One of the promising types of raw materials on the territory of Kazakhstan for the production of coagulants are substandard bauxites of the Krasnooktyabrsky deposit. This article presents a fundamentally new approach to the

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Dollah, Z., N. H. Masbol, A. A. Musir, N. A. Karim, D. Hasan, and N. J. Tammy. "Utilization of citrus microcarpa peels and papaya seeds as a natural coagulant for turbidity removal." IOP Conference Series: Earth and Environmental Science 920, no. 1 (2021): 012001. http://dx.doi.org/10.1088/1755-1315/920/1/012001.

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Abstract Coagulation and flocculation are an essential component of both the treatment of drinking water and the treatment of wastewater. The coagulant is one of the materials or substances that is added to the water to remove, stabilizes and causes colloidal particles to settle. Chemical coagulants such as aluminum sulphate (alum), ferric chloride, and synthetic polymers are the most commonly used coagulants in the industry due to their efficacy in turbidity removal. However, the use of chemical-based coagulants has had some negative impacts on human health and the environment, such as Alzhei

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