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240501s2025 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2024.2346861
|2 doi
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|a pubmed25n1238.xml
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|a (DE-627)NLM371757029
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|a (NLM)38686920
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Aguilera Flores, Miguel Mauricio
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effectiveness of a natural coagulant based on common mallow (Malva sylvestris) in urban wastewater treatment
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 06.01.2025
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|a Date Revised 06.01.2025
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a This study evaluated the effectiveness of a natural coagulant based on common mallow (Malva sylvestris) to remove turbidity in urban wastewater. A 22 factorial design was selected to determine the optimal dose and the working pH of the natural coagulant. Its potential was studied in 50.0-450 mg/L and 4.00-10.0 ranges of doses and pH, respectively. A simplex lattice mixture evaluated its effectiveness as a coagulant aid combined with aluminum sulfate (conventional coagulant). Mixture proportions 0.000-1.00 were studied for each component, finding the proportion more effective. Results showed that the coagulation treatment could be feasible since a turbidity removal efficiency of 73.7% can be achieved under optimal conditions (50.0 mg/L and pH of 10.0). Likewise, a turbidity removal of 58.9% is obtained using 250 mg/L and maintaining wastewater pH (7.45). This efficiency can be increased using 31.0% natural coagulant mixed with 69.0% aluminum sulfate at 250 mg/L without modifying the wastewater pH. This improvement was associated with the natural coagulant's high molecular weight and long-chained structure since these properties enhance settling time, floc size and strength, and low sludge production. These results support using common mallow as a natural coagulant, making its use more feasible in alkaline water pH or as a coagulant aid combined with aluminum sulfate for urban wastewater treatment. A cost of USD 370/Kg of natural coagulant was estimated, which is higher than conventional coagulants. However, a cost-effectiveness analysis of its implementation should be performed since process scaling costs could significantly reduce its price
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|a Journal Article
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|a Coagulant aid
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|a coagulation treatment
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|a experimental design
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|a optimal conditions
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|a turbidity removal efficiency
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| 650 |
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|a Wastewater
|2 NLM
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| 650 |
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|a Alum Compounds
|2 NLM
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| 650 |
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|a aluminum sulfate
|2 NLM
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| 650 |
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|a 34S289N54E
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 700 |
1 |
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|a Robles Miranda, Oswaldo Emmanuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ávila Vázquez, Verónica
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Medellín Castillo, Nahum Andrés
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sánchez Mata, Omar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Medina Leaños, Raudel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a González Fernández, Lázaro Adrián
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 46(2025), 2 vom: 01. Jan., Seite 151-164
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
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|g volume:46
|g year:2025
|g number:2
|g day:01
|g month:01
|g pages:151-164
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|u http://dx.doi.org/10.1080/09593330.2024.2346861
|3 Volltext
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