La contamination par les métaux lourds de l'eau est un grave problème environnemental en raison de leur nature toxique potentielle. Le chrome hexavalent parmi les différents métaux lourds est un polluant mondial majeur de ce siècle. La menace pour les sources naturelles d'eau et, par conséquent, pour la santé humaine due à la pollution par les métaux lourds est très grave. La sélection d'une méthode parmi les différentes technologies disponibles mérite l'adsorption du chrome par des matériaux à faible coût comme la meilleure. Il s'agit d'un outil relativement nouveau qui n'a pas été utilisé à grande échelle. L'adsorption a évolué en tant que ligne de défense de premier plan pour l'élimination du chrome dans les eaux usées. Le charbon actif est une forme brute de graphite à structure amorphe ou semi-cristalline. Il a une structure hautement poreuse avec une large gamme de tailles de pores, des fissures visibles, des crevasses aux fentes de dimensions moléculaires. Les propriétés adsorptives des charbons actifs sont dues à des facteurs tels que la surface élevée, la structure microporeuse et un degré élevé d'activité de surface. Des études sur l'élimination du chrome en présence d'autres substances organiques et d'autres métaux présents dans les effluents des industries de tannerie et d'électroplacage ont été discutées.
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Vendeur : BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Allemagne
Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Heavy metal contamination of water is a grave environmental problem because of their potential toxic nature. Especially hexavalent chromium among the various heavy metals is a major global pollutant in this century. Threat to natural sources of water and hence to human health due to heavy metal pollution is of a serious degree. Selection of a method among the various technologies available merits adsorption of chromium by low cost materials as the best. This is a relatively new tool which has not been put to use on a large scale. Adsorption has evolved as the front line of defense for chromium removal in waste water. Activated carbon is a crude form of graphite with amorphous or semi crystalline structure. It has a highly porous structure with a broad range of pore sizes, from visible cracks, crevices to slits of molecular dimensions. The adsorptive properties of activated carbons are due to factors like high surface area, micro porous structure and a high degree of surface activity.Studies on chromium removal in the presence of other organic substances and other metals that are found in the effluents from tannery and electro plating industries were discussed. 136 pp. Englisch. N° de réf. du vendeur 9783659677342
Quantité disponible : 2 disponible(s)
Vendeur : moluna, Greven, Allemagne
Etat : New. N° de réf. du vendeur 17694426
Quantité disponible : Plus de 20 disponibles
Vendeur : buchversandmimpf2000, Emtmannsberg, BAYE, Allemagne
Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Heavy metal contamination of water is a grave environmental problem because of their potential toxic nature. Especially hexavalent chromium among the various heavy metals is a major global pollutant in this century. Threat to natural sources of water and hence to human health due to heavy metal pollution is of a serious degree. Selection of a method among the various technologies available merits adsorption of chromium by low cost materials as the best. This is a relatively new tool which has not been put to use on a large scale. Adsorption has evolved as the front line of defense for chromium removal in waste water. Activated carbon is a crude form of graphite with amorphous or semi crystalline structure. It has a highly porous structure with a broad range of pore sizes, from visible cracks, crevices to slits of molecular dimensions. The adsorptive properties of activated carbons are due to factors like high surface area, micro porous structure and a high degree of surface activity.Studies on chromium removal in the presence of other organic substances and other metals that are found in the effluents from tannery and electro plating industries were discussed.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 136 pp. Englisch. N° de réf. du vendeur 9783659677342
Quantité disponible : 1 disponible(s)
Vendeur : AHA-BUCH GmbH, Einbeck, Allemagne
Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Heavy metal contamination of water is a grave environmental problem because of their potential toxic nature. Especially hexavalent chromium among the various heavy metals is a major global pollutant in this century. Threat to natural sources of water and hence to human health due to heavy metal pollution is of a serious degree. Selection of a method among the various technologies available merits adsorption of chromium by low cost materials as the best. This is a relatively new tool which has not been put to use on a large scale. Adsorption has evolved as the front line of defense for chromium removal in waste water. Activated carbon is a crude form of graphite with amorphous or semi crystalline structure. It has a highly porous structure with a broad range of pore sizes, from visible cracks, crevices to slits of molecular dimensions. The adsorptive properties of activated carbons are due to factors like high surface area, micro porous structure and a high degree of surface activity.Studies on chromium removal in the presence of other organic substances and other metals that are found in the effluents from tannery and electro plating industries were discussed. N° de réf. du vendeur 9783659677342
Quantité disponible : 1 disponible(s)
Vendeur : preigu, Osnabrück, Allemagne
Taschenbuch. Etat : Neu. Chromium Removal Using Activated Carbon | B. Veena Devi (u. a.) | Taschenbuch | 136 S. | Englisch | 2015 | LAP LAMBERT Academic Publishing | EAN 9783659677342 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. N° de réf. du vendeur 104836822
Quantité disponible : 5 disponible(s)