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Titre : Seleuim pretreatment study Type de document : texte imprimé Auteurs : Rowley, L. H. Mention d'édition : US Department of the Interior - Bureau of Reclamation Denver office Editeur : US Department of the Interior - Bureau of Reclamation Denver office Année de publication : 1991 ISBN/ISSN/EAN : CI-07126 Note générale : This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ... Langues : Anglais (eng) Mots-clés : Traitement de l'eau Agriculture Drainage Chimie PRECIPITATIONS Sélénium Hydroxide Oxygène Bicarbonate Index. décimale : 628.16 Analyse, traitement, pollution Résumé : This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ... Note de contenu : This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ... Seleuim pretreatment study [texte imprimé] / Rowley, L. H. . - US Department of the Interior - Bureau of Reclamation Denver office . - US Department of the Interior - Bureau of Reclamation Denver office, 1991.
ISSN : CI-07126
This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ...
Langues : Anglais (eng)
Mots-clés : Traitement de l'eau Agriculture Drainage Chimie PRECIPITATIONS Sélénium Hydroxide Oxygène Bicarbonate Index. décimale : 628.16 Analyse, traitement, pollution Résumé : This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ... Note de contenu : This report is the result of a bureau of reclamation study conducted to determine the feasibility and associated cost of various processes to remove bicarbonate, nitrate, and dissolved oxygen from agricultural drainage water which contains selenium. These ions interfere with the ferrous hydroxide method which reclamation originated and investigated for removal of selenium form drainage waters. Bicarbonate and nitrate retard the rate of the ferrous hydroxide - selenate reaction which dissolved oxygen consumes ferrous hydroxide. These factors add considerable cost to the ferrous hydroxide methode when used on water containing high concentrations of these ions ... Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B126.43968 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43967 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43966 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43965 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43964 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43963 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43962 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B126.43961 CI-07126 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible U.S. Geological Survey Watter Supply paper, 2324. The geochemical evolution of aqueous sodium in the black creek aquifer, Horry anf Georgetown countries, South Carolina / Zack, A.
Titre de série : U.S. Geological Survey Watter Supply paper, 2324 Titre : The geochemical evolution of aqueous sodium in the black creek aquifer, Horry anf Georgetown countries, South Carolina Type de document : texte imprimé Auteurs : Zack, A. ; Roberts, I. Mention d'édition : United States Gouvernment Printing Office Editeur : United States Gouvernment Printing Office Année de publication : 1988 ISBN/ISSN/EAN : CI-05087 Note générale : The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium. Langues : Anglais (eng) Mots-clés : Eau souterraine Hydrogéologie Géochimie Calcium Sodium Bicarbonate Index. décimale : 551.48 Hydrologie : Résumé : The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium. Note de contenu : The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium. U.S. Geological Survey Watter Supply paper, 2324. The geochemical evolution of aqueous sodium in the black creek aquifer, Horry anf Georgetown countries, South Carolina [texte imprimé] / Zack, A. ; Roberts, I. . - United States Gouvernment Printing Office . - United States Gouvernment Printing Office, 1988.
ISSN : CI-05087
The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium.
Langues : Anglais (eng)
Mots-clés : Eau souterraine Hydrogéologie Géochimie Calcium Sodium Bicarbonate Index. décimale : 551.48 Hydrologie : Résumé : The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium. Note de contenu : The Black Creek aquifer contains dilute seawater near the north Carolina State line, probably the result of incomplete flushing of ancient seawater. Data do not indicate that the dilute seawater has migrated toward areas of fresh ground-water withdrawals. The concentration of chloride in ground-water samples rangs from 5 to 720 milligrams per liter and that of sodium from 160 to 690 milligrams per liter. Ion-exchange reactions occur with the calcium carbonate dissolution reaction wich produces calcium/ bicarbonate, and hydroxylions. The reaction sequence and stoichiometry result in an aqueous solution in which the sum of bicarbonate and chloride equivalents per liter is equal to the equivalents per liter of sodium. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B087.62672 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62671 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62670 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62669 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62668 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62667 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62666 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B087.62665 CI-05087 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : U.S.geological survey Titre : Prelinary Study of water well corrusion chad basin, Nigeria Type de document : texte imprimé Auteurs : Clarke, F. E. ; Barnes, I. Mention d'édition : [s.n] Editeur : s.n Année de publication : 1965 ISBN/ISSN/EAN : CI-07082 Note générale : Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites. Langues : Anglais (eng) Mots-clés : Qualité de l'eau Hydrochimie Eau Eau souterraine Village Hydrogéologie Bicarbonate Oxydation Index. décimale : 551.48 Hydrologie : Résumé : Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites. Note de contenu : Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites. U.S.geological survey. Prelinary Study of water well corrusion chad basin, Nigeria [texte imprimé] / Clarke, F. E. ; Barnes, I. . - [s.n] . - s.n, 1965.
ISSN : CI-07082
Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites.
Langues : Anglais (eng)
Mots-clés : Qualité de l'eau Hydrochimie Eau Eau souterraine Village Hydrogéologie Bicarbonate Oxydation Index. décimale : 551.48 Hydrologie : Résumé : Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites. Note de contenu : Preliminary studies of three widely separated wells tapping the middle zone aquifer of the chad formation in the bornu and sikwa emirates of ortheastern Nigeria suggest that serious corrosion of iron and sceel well parts is likely to occur throughout this ground - water system. The relatively low oxidation reduction potentials and PH values and the relatively free carbon dioxide contents revealed by these testo are extremely destrustive to ferrous metal components. It would be impracticable to prevent corrision of weel parts by chemical treatment, metal coatings, or carthdicprotection in such an aqueaus environnement, and particulary at these relatively remonte well sites. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B082.172331 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172332 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172333 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172334 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172335 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172336 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172337 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B082.172338 CI-07082 $r non conforme -- Bibliothèque CDI-Ouaga Fond documentaire Disponible