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Botond Szilágyi, Réka Barabás, Béla G. Lakatos
Pág. 138 - 144
This paper presents a population balance model for describing the temporal evolution of the particle size distribution of a precipitate produced in a laboratory scale tubular crystallizer, including nucleation, growth and agglomeration of crystals. The q...
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Bruno Kiilerich, Wilbert Van de Ven, Asbjørn Haaning Nielsen and Jes Vollertsen
Abatement of sulfides in sewer systems using iron salts is a widely used strategy. When dosing at the end of a pumping main, the reaction kinetics of sulfide precipitation becomes important. Traditionally the reaction has been assumed to be rapid or even...
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Bruno Kiilerich, Wilbert van de Ven, Asbjørn Haaning Nielsen, Jes Vollertsen
Pág. 1 - 13
Abatement of sulfides in sewer systems using iron salts is a widely used strategy. When dosing at the end of a pumping main, the reaction kinetics of sulfide precipitation becomes important. Traditionally the reaction has been assumed to be rapid or even...
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Philippe Refait, Julien Duboscq, Kahina Aggoun, René Sabot and Marc Jeannin
Green rust compounds (GR), i.e., Fe(II-III) layered double hydroxides, are important transient compounds resulting from the corrosion of steel in seawater. The sulfated variety, GR(SO42-), was reported as one of the main components of the corrosion produ...
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Julie K. Pearce and Grant K. W. Dawson
Cap-rock integrity is an important consideration for geological storage of CO2. While CO2 bearing fluids are known to have reactivity to certain rock forming minerals, impurities including acid gases such as SOx, NOx, H2S or O2 may be present in injected...
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Rostislav Rusev, Boriana Tzaneva and George Angelov
A straightforward and inexpensive electrophoretic method for obtaining environment-friendly nanocrystalline piezo layers from Rochelle salt (RS) is presented here. The electrophoretic deposition process includes the formation of nanocrystals by precipita...
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Marco Rotiroti, Rasmus Jakobsen, Letizia Fumagalli and Tullia Bonomi
The reductive dissolution of Fe-oxide driven by organic matter oxidation is the primary mechanism accepted for As mobilization in several alluvial aquifers. These processes are often mediated by microorganisms that require a minimum Gibbs energy availabl...
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A. M. Koorts, A. N. Hall, M. Viljoen Viljoen
Pág. 4 - 8
The antimonate ion was used for the first time in 1962 by Komnick for the precipitation of intracellular sodium ions. The antimonate ion can, however, also precipitate other cations and can be employed in subcellular calcium localisation studies. ...
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A. M. Koorts, A. N. Hall, M. Viljoen Viljoen
Pág. 4 - 8
The antimonate ion was used for the first time in 1962 by Komnick for the precipitation of intracellular sodium ions. The antimonate ion can, however, also precipitate other cations and can be employed in subcellular calcium localisation studies. ...
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Helia Magali Morales, Grecia Torreblanca, Arnulfo Mar, Mataz Alcoutlabi, Thomas Mark Eubanks, Erik Plata and Jason George Parsons
In the present study, the removal of both As(III) and As(V) from aqueous solutions using synthesized ZnO nanomaterials was achieved. The ZnO nanomaterial was synthesized using a precipitation technique and characterized using XRD, SEM, and Raman spectros...
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Alexey Prosviryakov and Andrey Bazlov
In this work, we studied the effect of thermal exposure on the microstructure and mechanical properties of an Al-5 wt.% TiO2 composite material with additions of 5 wt.% Cu and 2 wt.% stearic acid as a process control agent (PCA), obtained by mechanical a...
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Hanna Prokkola, Emma-Tuulia Nurmesniemi and Ulla Lassi
Precipitation of metals as metal sulphides is a practical way to recover metals from mine water. Sulphide precipitation is useful since many metals are very sparingly soluble as sulphides. Precipitation is also pH dependent. This article investigates the...
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Irene Merino-Jimenez, Veronica Celorrio, David J. Fermin, John Greenman, Ioannis Ieropoulos
Pág. 46 - 53
Urine is an excellent fuel for electricity generation in Microbial Fuel Cells (MFCs), especially with practical implementations in mind. Moreover, urine has a high content in nutrients which can be easily recovered. Struvite (MgNH4PO4·6H2O) crystals natu...
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Johanna Springer, Ralf Ludwig and Stefan W. Kienzle
This study investigates the hydrology of Castle River in the southern Canadian Rocky Mountains. Temperature and precipitation data are analyzed regarding a climate trend between 1960 and 2010 and a general warming is identified. Observed streamflow has b...
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Rancés Castillo, Rodrigo Fernández, Mathieu Antoni, Karen Scrivener, Adrián Alujas, José Martirena
Pág. Page 329 - 352
This paper introduces a proposal to produce artificial pozzolans by means of activation of low grade clays, as an alternative to metakaolin production. Basically the work considered clay mineral enriched soils, mainly kaolin. Such material was sediment a...
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Takeshi Kogo, Kazufumi Sugi, Hideyuki Kanematsu, Hotaka Kai, Akiko Ogawa, Nobumitsu Hirai, Toshiyuki Takahashi and Takehito Kato
The evaluation of biofilm formation is important, given the ubiquity and problematic nature of biofilms in industrial and medical settings, as well as in everyday life. Basically, biofilms are formed on substrates. Therefore, it is essential to consider ...
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