Zobrazeno 1 - 10
of 41
pro vyhledávání: '"William R. Richmond"'
Autor:
Yanju Liu, Md Mezbaul Bahar, S.V.A. Chamila Samarasinghe, Fangjie Qi, Sandra Carles, William R. Richmond, Zhaomin Dong, Ravi Naidu
Publikováno v:
Journal of hazardous materials. 439
Perfluorohexanesulfonic acid (PFHxS) is one of the persistent organic pollutants that has been recommended to be listed in Annex A of the Stockholm Convention. It has gained increasing attention in recent years due to its toxic effects. The guideline
Autor:
William R. Richmond, Andrew L. Rohl, Mark I. Ogden, K. Bunney, Sandra R. Freeman, Franca Jones
Publikováno v:
Crystal Growth & Design. 14:1650-1658
Dipositive cation substitution in sulfate minerals has been a topic of investigation both experimentally and computationally. Here the possibility of tripositive cation substitution with accompanying vacancy formation is considered, specifically lant
Publikováno v:
Hydrometallurgy. :47-54
An investigation of the simultaneous precipitation of iron oxide and silica species from acidic solutions was conducted, simulating the paragoethite process, an iron-removal stage employed in zinc hydrometallurgy. Laboratory-based continuous crystall
Publikováno v:
American Mineralogist. 97:63-69
Structural characteristics of Fe{sup 3+} oxide/silica co-precipitates were investigated. The association between these materials is relevant to practically all natural aqueous systems due to the prevalence of iron and silicon in the Earth's crust. Cr
Autor:
Mark I. Ogden, Colin L. Raston, Tomoko Radomirovic, Franca Jones, William R. Richmond, Andrew Baynton
Publikováno v:
CrystEngComm. 13:109-112
Calixarenes have been shown to induce mesocrystal formation of barium sulfate, despite being relatively low molecular weight additives. Scanning probe microscopy has shown that a possible mechanism is the self-assembling properties of the calixarene
Publikováno v:
Journal of Colloid and Interface Science. 348:65-70
The effect of the presence of soluble silicates on ferrihydrite precipitation and some properties of the products formed in co-precipitation of ferrihydrite and silica have been investigated. The co-precipitates were formed using a continuous crystal
Publikováno v:
International Journal of Minerals, Metallurgy, and Materials. 17:1-10
Gold telluride ores are important gold refractory ores due to the presence of sulfides and other gangue materials. The classification and main physical properties of gold telluride ores were described, and possible treatment methods including flotati
Publikováno v:
Journal of Crystal Growth. 311:3876-3882
The formation of the iron oxyhydroxide schwertmannite has been monitored by time-resolved transmission electron microscopy (TEM) studies. Schwertmannite aggregates are found to form initially as spherical agglomerates of ferrihydrite crystallites, wh
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 65:89-95
A solvothermal method has been used to prepare hybrid inorganic–organic composites with a lamellar structure in which layers of wurtzite ZnS are separated by intercalated diamine molecules. A hybrid composite prepared with diethylenetriamine has be
Publikováno v:
Hydrometallurgy. 96:215-222
Many of the bauxites currently being processed to alumina contain titanium minerals, yet little fundamental knowledge is available regarding their dissolution behaviour in Bayer liquors. In this paper the dissolution of various titanium oxide phases