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Disinfection By-Product Formation And Control During Chloramination
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Disinfection By-Product Formation And Control During Chloramination - nouveau livre

ISBN: 9781843399308

ID: 9644601

In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to USE chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are. In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to USE chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to: 1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation, 2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination, 4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and 5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of. Books, Technology, Engineering and Agriculture~~Environmental Science, Engineering & Techology~~Sanitary & Municipal Engineering, Disinfection By-Product Formation And Control During Chloramination~~Book~~9781843399308~~Gerald Speitel Jr., Phillip Pope, M. Collins, , , , , , , , , ,

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Disinfection By-Product Formation and Control During Chloramination - Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins
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Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins:

Disinfection By-Product Formation and Control During Chloramination - nouveau livre

ISBN: 9781843399308

ID: 46e7315428378c0fd66743f4959dfed1

Disinfection By-Product Formation and Control During Chloramination In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to use chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to: 1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation, 2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination, 4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and 5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of 5 and 20 minutes were tested. Mathematical models were developed to predict DXAA formation during chloramination based on water quality and chloramination conditions. Bücher / Fremdsprachige Bücher / Englische Bücher 978-1-84339-930-8, Awwarf

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Disinfection By-Product Formation and Control During Chloramination - Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins
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Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins:
Disinfection By-Product Formation and Control During Chloramination - nouveau livre

ISBN: 9781843399308

ID: 215700383

In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to use chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to: 1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation, 2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination, 4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and 5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of 5 and 20 minutes were tested. Mathematical models were developed to predict DXAA formation during chloramination based on water quality and chloramination conditions. Disinfection By-Product Formation and Control During Chloramination Buch (fremdspr.) Bücher>Fremdsprachige Bücher>Englische Bücher, Awwarf

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Disinfection By-Product Formation and Control During Chloramination - Gerald E. Speitel#Phillip G. Pope#M. Robin Collins
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Gerald E. Speitel#Phillip G. Pope#M. Robin Collins:
Disinfection By-Product Formation and Control During Chloramination - nouveau livre

ISBN: 9781843399308

ID: 46e7315428378c0fd66743f4959dfed1

Disinfection By-Product Formation and Control During Chloramination In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to use chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to: 1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation, 2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination, 4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and 5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of 5 and 20 minutes were tested. Mathematical models were developed to predict DXAA formation during chloramination based on water quality and chloramination conditions. Bücher / Fremdsprachige Bücher / Englische Bücher 978-1-84339-930-8, Awwarf

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Nr. 11437326 Frais d'envoiBücher und alle Bestellungen die ein Buch enthalten sind versandkostenfrei, sonstige Bestellungen innerhalb Deutschland EUR 3,-, ab EUR 20,- kostenlos, Bürobedarf EUR 4,50, kostenlos ab EUR 45,-, Versandfertig in 1 - 2 Wochen, DE. (EUR 0.00)
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(*) Livre non disponible signifie que le livre est actuellement pas disponible à l'une des plates-formes associées nous recherche.
Disinfection By-Product Formation and Control During Chloramination - Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins
Livre non disponible
(*)
Speitel, Gerald E. , Jr.#Phillip G. Pope#M. Robin Collins:
Disinfection By-Product Formation and Control During Chloramination - nouveau livre

ISBN: 9781843399308

ID: 104699662

In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to use chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to:1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation,2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination,4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of 5 and 20 minutes were tested. Mathematical models were developed to predict DXAA formation during chloramination based on water quality and chloramination conditions. Disinfection By-Product Formation and Control During Chloramination Buch (fremdspr.) Bücher>Fremdsprachige Bücher>Englische Bücher, Awwarf

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Détails sur le livre
Disinfection By-Product Formation and Control During Chloramination
Auteur:

Speitel, Gerald E. , Jr.; Pope, Phillip G.; Collins, M. Robin

Titre:

Disinfection By-Product Formation and Control During Chloramination

ISBN:

9781843399308

In response to current and anticipated disinfection by-product (DBP) regulations, many utilities have begun to use chloramines as a secondary disinfectant. Chloramination produces DBPs such as haloacetic acids (HAAs), trihalomethanes (THMs), and haloacetonitriles (HANs) in lower concentrations than chlorination. Previous research has demonstrated that dihalogenated haloacetic acids (DXAAs) are the most commonly formed HAAs during chloramination. Some utilities may have difficulty meeting the new maximum contaminant level (MCL) for HAAs because chloramination does not limit the formation of DXAAs to the same extent as it does other DBPs. The objectives of this project were to: 1. better understand the reactivity of key natural organic matter (NOM) fractions and the effects of treatment processes with respect to dihaloacetic acid (DXAA) formation, 2. better delineate the influence of pH and Cl2/N ratio on DXAA formation, 3. characterize DXAA formation kinetics and the impact of treatment processes on the kinetics, especially the impact of prechlorination, 4. calculate the rate and extent of DXAA formation at elevated summer water temperatures, and 5. determine the effect of bromide concentration on DXAA speciation and kinetics. The research consisted of laboratory experimentation, mathematical modeling, and sampling of selected treatment plants and distribution systems. The first phase consisted of batch screening experiments on two water sources of differing water quality, Lake Austin, Texas and Metedeconk River, New Jersey. The selected waters were subjected to various treatments and NOM fractionations. Overall, 12 different waters were studied. Additional batch experiments were undertaken to further study the most important variables that were identified in the initial batch screening experiments. DXAA formation kinetics were studied in four waters by measuring DXAA concentrations over chloramination contact times of 0.5 to 72 hours. Prechlorination times of 5 and 20 minutes were tested. Mathematical models were developed to predict DXAA formation during chloramination based on water quality and chloramination conditions.

Informations détaillées sur le livre - Disinfection By-Product Formation and Control During Chloramination


EAN (ISBN-13): 9781843399308
ISBN (ISBN-10): 184339930X
Livre de poche
Date de parution: 2005
Editeur: AWWARF
244 Pages
Poids: 0,558 kg
Langue: eng/Englisch

Livre dans la base de données depuis 11.07.2007 17:41:07
Livre trouvé récemment le 07.11.2016 08:42:10
ISBN/EAN: 9781843399308

ISBN - Autres types d'écriture:
1-84339-930-X, 978-1-84339-930-8

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