Abstract
The objective of the present investigation is to obtain iron sulphate (III) from the selective precipitation of the acid mine drainage to be used as a coagulant in wáter treatment. The possibility of selective precipitation is based on precipitation diagrams. It has been possible to obtain iron sulphate (III) by the selective precipitation of a synthetic sample of acid mine drainage, previously separating copper and zinc. The pH in a range of 3 to 4 and the concentration of sulfuric acid in the range of 30 to 40% are the significant variables unlike the moisture and solubility time of iron hydroxide(III) which are not significant according to with the Taguchi model. By batch sedimentation tests, using iron sulphate(III) as coagulant, the first stage of water treatment is considered by sedimentation of the bentonite -to 200 mesh- in 15 minutes is achieved.
| Translated title of the contribution | Selective precipitation of acid mine drainage for the obtaining of iron sulfate (III) applicable to water treatment |
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| Original language | Spanish |
| Title of host publication | 17th LACCEI International Multi-Conference for Engineering, Education, and Technology |
| Subtitle of host publication | "Industry, Innovation, and Infrastructure for Sustainable Cities and Communities", LACCEI 2019 |
| Publisher | Latin American and Caribbean Consortium of Engineering Institutions |
| ISBN (Electronic) | 9780999344361 |
| DOIs | |
| State | Indexed - 2019 |
| Event | 17th LACCEI International Multi-Conference for Engineering, Education, and Technology, LACCEI 2019 - Montego Bay, Jamaica Duration: 24 Jul 2019 → 26 Jul 2019 |
Publication series
| Name | Proceedings of the LACCEI international Multi-conference for Engineering, Education and Technology |
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| Volume | 2019-July |
| ISSN (Electronic) | 2414-6390 |
Conference
| Conference | 17th LACCEI International Multi-Conference for Engineering, Education, and Technology, LACCEI 2019 |
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| Country/Territory | Jamaica |
| City | Montego Bay |
| Period | 24/07/19 → 26/07/19 |
Bibliographical note
Funding Information:Para realizar el análisis de varianza, se consideró el porcentaje de hierro (III) en la s olución de sulfato de hierro (III) como la variable de respuesta continua y los acf tores categóricos con dos niveles, el pH comprendido entre 3 y 4, la concentración de ácido sulfúrico entre 30 y 40 % (v/v), el tiempo a considerar para la solubilidad del hidróidx o de hierro(III) y la humedad del Fe(OH) 3 .
Funding Information:
a L población para el análisis de varianza está establecida por el modelo de Taguchi para cuatro acf tores y desarrollado por el Minitab 18. Considerando al pH, concentración de ácido sulfúrico, tiempo y h umedad, se presentan en la Figura 3 los efectos principales para medias en la obtención del sulfato de hierro(III), donde los acf tores de pH y concentración de ácido sulfúrico son altamente significativos dado que no son paralelas a la abscisa a diferencia del tiempo y la humedad.
Publisher Copyright:
© 2019 Latin American and Caribbean Consortium of Engineering Institutions. All rights reserved.