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Elica M. Moss - One of the best experts on this subject based on the ideXlab platform.
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occurrence molecular characterization and antibiogram of Water Quality Indicator bacteria in river Water serving a Water treatment plant
Science of The Total Environment, 2011Co-Authors: Benedict C Okeke, Sue M Thomson, Elica M. MossAbstract:Water pollution by microorganisms of fecal origin is a current world-wide public health concern. Total coliforms, fecal coliforms (Escherichia coli) and enterococci are Indicators commonly used to assess the microbiological safety of Water resources. In this study, influent Water samples and treated Water were collected seasonally from a Water treatment plant and two major Water wells in a Black Belt county of Alabama and evaluated for Water Quality Indicator bacteria. Influent river Water samples serving the treatment plant were positive for total coliforms, fecal coliforms (E. coli), and enterococci. The highest number of total coliform most probable number (MPN) was observed in the winter (847.5 MPN/100 mL) and the lowest number in the summer (385.6 MPN/100 mL). Similarly E. coli MPN was substantially higher in the winter (62.25 MPN/100 mL). Seasonal variation of E. coli MPN in influent river Water samples was strongly correlated with color (R2 = 0.998) and turbidity (R2 = 0.992). Neither E. coli nor other coliform type bacteria were detected in effluent potable Water from the treatment plant. The MPN of enterococci was the highest in the fall and the lowest in the winter. Approximately 99.7 and 51.5 enterococci MPN/100 mL were recorded in fall and winter seasons respectively. One-way ANOVA tests revealed significant differences in seasonal variation of total coliforms (P < 0.05), fecal coliforms (P < 0.01) and enterococci (P < 0.01). Treated effluent river Water samples and well Water samples revealed no enterococci contamination. Representative coliform bacteria selected by differential screening on Coliscan Easygel were identified by 16S ribosomal RNA gene sequence analysis. E. coli isolates were sensitive to gentamicin, trimethoprim/sulfamethazole, ciprofloxacin, vancomycin, tetracycline, ampicillin, cefixime, and nitrofurantoin. Nonetheless, isolate BO-54 displayed decreased sensitivity compared to other E. coli isolates. Antibiotic sensitivity pattern can be employed in microbial source tracking.
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Occurrence, molecular characterization and antibiogram of Water Quality Indicator bacteria in river Water serving a Water treatment plant
Science of the Total Environment, 2011Co-Authors: Benedict C Okeke, M. Sue Thomson, Elica M. MossAbstract:Water pollution by microorganisms of fecal origin is a current world-wide public health concern. Total coliforms, fecal coliforms (Escherichia coli) and enterococci are Indicators commonly used to assess the microbiological safety of Water resources. In this study, influent Water samples and treated Water were collected seasonally from a Water treatment plant and two major Water wells in a Black Belt county of Alabama and evaluated for Water Quality Indicator bacteria. Influent river Water samples serving the treatment plant were positive for total coliforms, fecal coliforms (E. coli), and enterococci. The highest number of total coliform most probable number (MPN) was observed in the winter (847.5MPN/100mL) and the lowest number in the summer (385.6MPN/100mL). Similarly E. coli MPN was substantially higher in the winter (62.25MPN/100mL). Seasonal variation of E. coli MPN in influent river Water samples was strongly correlated with color (R2=0.998) and turbidity (R2=0.992). Neither E. coli nor other coliform type bacteria were detected in effluent potable Water from the treatment plant. The MPN of enterococci was the highest in the fall and the lowest in the winter. Approximately 99.7 and 51.5 enterococci MPN/100mL were recorded in fall and winter seasons respectively. One-way ANOVA tests revealed significant differences in seasonal variation of total coliforms (P
Benedict C Okeke - One of the best experts on this subject based on the ideXlab platform.
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occurrence molecular characterization and antibiogram of Water Quality Indicator bacteria in river Water serving a Water treatment plant
Science of The Total Environment, 2011Co-Authors: Benedict C Okeke, Sue M Thomson, Elica M. MossAbstract:Water pollution by microorganisms of fecal origin is a current world-wide public health concern. Total coliforms, fecal coliforms (Escherichia coli) and enterococci are Indicators commonly used to assess the microbiological safety of Water resources. In this study, influent Water samples and treated Water were collected seasonally from a Water treatment plant and two major Water wells in a Black Belt county of Alabama and evaluated for Water Quality Indicator bacteria. Influent river Water samples serving the treatment plant were positive for total coliforms, fecal coliforms (E. coli), and enterococci. The highest number of total coliform most probable number (MPN) was observed in the winter (847.5 MPN/100 mL) and the lowest number in the summer (385.6 MPN/100 mL). Similarly E. coli MPN was substantially higher in the winter (62.25 MPN/100 mL). Seasonal variation of E. coli MPN in influent river Water samples was strongly correlated with color (R2 = 0.998) and turbidity (R2 = 0.992). Neither E. coli nor other coliform type bacteria were detected in effluent potable Water from the treatment plant. The MPN of enterococci was the highest in the fall and the lowest in the winter. Approximately 99.7 and 51.5 enterococci MPN/100 mL were recorded in fall and winter seasons respectively. One-way ANOVA tests revealed significant differences in seasonal variation of total coliforms (P < 0.05), fecal coliforms (P < 0.01) and enterococci (P < 0.01). Treated effluent river Water samples and well Water samples revealed no enterococci contamination. Representative coliform bacteria selected by differential screening on Coliscan Easygel were identified by 16S ribosomal RNA gene sequence analysis. E. coli isolates were sensitive to gentamicin, trimethoprim/sulfamethazole, ciprofloxacin, vancomycin, tetracycline, ampicillin, cefixime, and nitrofurantoin. Nonetheless, isolate BO-54 displayed decreased sensitivity compared to other E. coli isolates. Antibiotic sensitivity pattern can be employed in microbial source tracking.
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Occurrence, molecular characterization and antibiogram of Water Quality Indicator bacteria in river Water serving a Water treatment plant
Science of the Total Environment, 2011Co-Authors: Benedict C Okeke, M. Sue Thomson, Elica M. MossAbstract:Water pollution by microorganisms of fecal origin is a current world-wide public health concern. Total coliforms, fecal coliforms (Escherichia coli) and enterococci are Indicators commonly used to assess the microbiological safety of Water resources. In this study, influent Water samples and treated Water were collected seasonally from a Water treatment plant and two major Water wells in a Black Belt county of Alabama and evaluated for Water Quality Indicator bacteria. Influent river Water samples serving the treatment plant were positive for total coliforms, fecal coliforms (E. coli), and enterococci. The highest number of total coliform most probable number (MPN) was observed in the winter (847.5MPN/100mL) and the lowest number in the summer (385.6MPN/100mL). Similarly E. coli MPN was substantially higher in the winter (62.25MPN/100mL). Seasonal variation of E. coli MPN in influent river Water samples was strongly correlated with color (R2=0.998) and turbidity (R2=0.992). Neither E. coli nor other coliform type bacteria were detected in effluent potable Water from the treatment plant. The MPN of enterococci was the highest in the fall and the lowest in the winter. Approximately 99.7 and 51.5 enterococci MPN/100mL were recorded in fall and winter seasons respectively. One-way ANOVA tests revealed significant differences in seasonal variation of total coliforms (P
Guarniz Acuña, Dulce Jhenis - One of the best experts on this subject based on the ideXlab platform.
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales (PTAR) de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018 (Tesis parcial)
'Dipartimento di Economia Universita di Perugia (IT)', 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%.TesisRESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales (PTAR) de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018.
Universidad Privada del Norte, 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:RESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%.ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales PTAR de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018
Universidad Privada del Norte, 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:RESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%. PALABRAS CLAVE: calidad de agua, mantenimiento.ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%. KEYWORDS: Water Quality, maintenance
Ernest R. Blatchley - One of the best experts on this subject based on the ideXlab platform.
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volatile disinfection by product analysis from chlorinated indoor swimming pools
Water Research, 2009Co-Authors: William A Weaver, Jessica Johnston, Michael R Blatchley, Jing Li, Ernest R. BlatchleyAbstract:Abstract Chlorination of indoor swimming pools is practiced for disinfection and oxidation of reduced compounds that are introduced to Water by swimmers. However, there is growing concern associated with formation for chlorinated disinfection by-products (DBPs) in these settings. Volatile DBPs are of particular concern because they may promote respiratory ailments and other adverse health effects among swimmers and patrons of indoor pool facilities. To examine the scope of this issue, Water samples were collected from 11 pools over a 6 month period and analyzed for free chlorine and their volatile DBP content. Eleven volatile DBPs were identified: monochloramine (NH 2 Cl), dichloramine (NHCl 2 ), trichloramine (NCl 3 ), chloroform (CHCl 3 ), bromoform (CHBr 3 ), dichlorobromomethane (CHBrCl 2 ), dibromochloromethane (CHBr 2 Cl), cyanogen chloride (CNCl), cyanogen bromide (CNBr), dichloroacetonitrile (CNCHCl 2 ), and dichloromethylamine (CH 3 NCl 2 ). Of these 11 DBPs, 10 were identified as regularly occurring, with CHBrCl 2 only appearing sporadically. Pool Water samples were analyzed for residual chlorine compounds using the DPD colorimetric method and by membrane introduction mass spectrometry (MIMS). These two methods were chosen as complementary measures of residual chlorine, and to allow for comparisons between the methods. The DPD method was demonstrated to consistently overestimate inorganic chloramine content in swimming pools. Pairwise correlations among the measured volatile DBPs allowed identification of dichloromethylamine and dichloroacetonitrile as potential swimming pool Water Quality Indicator compounds.
García Siccha, Katia Marcela - One of the best experts on this subject based on the ideXlab platform.
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales (PTAR) de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018 (Tesis parcial)
'Dipartimento di Economia Universita di Perugia (IT)', 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%.TesisRESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales (PTAR) de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018.
Universidad Privada del Norte, 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:RESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%.ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%
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Implementación de un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una planta de tratamiento de aguas residuales PTAR de la empresa UCP Backus & Johnston S.A.A., planta Motupe 2018
Universidad Privada del Norte, 2019Co-Authors: García Siccha, Katia Marcela, Guarniz Acuña, Dulce JhenisAbstract:RESUMEN El presente trabajo tiene como objetivo principal implementar un plan de mantenimiento para la mejora del indicador de calidad de agua efluente en una Planta De Tratamiento De Aguas Residuales (PTAR) de la Empresa UCP Backus & Johnston S.A.A., Planta Motupe 2018. El trabajo corresponde a una investigación pre experimental, ya que el estudio implica la aplicación de conocimientos; así como la cuantificación del impacto de las mejoras implementadas, es por ello que se tomó como muestra de análisis 124 tomas de agua residual durante los meses de enero 2018 a junio 2018,que representa el 69% de la población total de muestras, a las cuales se le realizaron los análisis de DQO, pH, temperatura, DBO5, aceites y grasas, sólidos suspendidos totales, coliformes totales y coliformes fecales. Además, dentro del mismo periodo se analizó los indicadores de mantenimiento MTBF, MTTR, confiabilidad, disponibilidad total y disponibilidad por avería; y la relación entre ambas variables, calidad de agua y mantenimiento de equipos, la cual es de 85%. De esa forma al implementar un plan de mantenimiento preventivo adecuado siguiendo un proceso estándar según fuentes teóricas: identificando los equipos por proceso y sus repuestos, elaborando un árbol de equipos y actividades de mantenimiento en base los manuales de los equipos y a experiencia de los técnicos y supervisores del área y sobretodo dando un seguimiento continuo al cumplimiento de las órdenes de mantenimiento y limpieza; se mejoraron los indicadores de mantenimiento como la confiabilidad en 18% y como consecuencia los indicadores de agua como el DQO en un 44%. PALABRAS CLAVE: calidad de agua, mantenimiento.ABSTRACT The main objective of this work is to implement a maintenance plan for the improvement of the Water Quality Indicator in a wasteWater treatment plant (WWTP) of the UCP Backus and Johnston S.A.A., Motupe 2018 Plant. The work corresponds to a non-experimental transversal research, since the study implies the application of knowledge; As well as the quantification of the impact of the improvements implemented, that is why it was taken as a sample of analyzes taken from wasteWater during the months of January 2018 to June 2018, which represent 69% of the total sample population, The analyzes of COD, pH, temperature, BOD5, oils and fats, total suspended solids, total coliforms and fecal coliforms. In addition, during the same period the maintenance Indicators MTBF, MTTR, reliability, total availability and availability due to breakdown were analyzed; The relationship between both variables, the Quality of the Water and the maintenance of the equipment, the Quality is 85%. In this way an appropriate preventive maintenance plan is implemented following a process according to the theoretical sources: identifying the equipment by the process and its spare parts, elaborating the equipment tree and the maintenance activities in the base the manuals of the equipment the experience of the technicians and supervisors of the area and especially giving a continuous follow-up to the fulfillment of the orders of maintenance and cleaning; Maintenance Indicators such as reliability were improved by 18% and as a result of Water Indicators such as COD by 44%. KEYWORDS: Water Quality, maintenance
