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Autor:
D. S. Cundy, M. Fahr
Publikováno v:
International Journal of Thermophysics. 36:1980-2001
Impurities are still among the primary concerns regarding the realization of many fixed points of the International Temperature Scale (ITS-90). Several methods have been suggested to correct for these effects. The most promising strategy, with regard
Autor:
D.M.T. Newsham, Christina Keilert, Arthur Garforth, Gwyn Ardeshir Mali, Stuart M. Holmes, Andrew T. Boothroyd, Graeme Torkington, Colin S. Cundy
Publikováno v:
Industrial & Engineering Chemistry Research. 45:5268-5273
Techniques are presented for the growth of a zeolite coating onto a structured ceramic packing for distillation (Raschig rings). Electron microscopy and powder X-ray diffraction studies show a very high coverage of the support with the ZSM-5 structur
Publikováno v:
Applied Catalysis B: Environmental. 59:221-226
The abatement of NH3 from waste streams has become an important environmental issue. Selective catalytic oxidation (SCO) of NH3 to N2 has emerged as a potential technology for taking care of NH3 slips and NH3 in waste streams. In this work, we descri
Autor:
Paul A. Cox, Colin S. Cundy
Publikováno v:
Microporous and Mesoporous Materials. 82:1-78
An account is presented of the mechanistic aspects of hydrothermal zeolite synthesis. The introduction provides a historical and experimental perspective and is followed by a summary of proposed mechanisms and associated modelling studies. The centra
Publikováno v:
Process Safety and Environmental Protection. 82:359-364
This research investigates the potential for zeolites containing transition metals to act as solid-phase-advanced oxidation catalysts in the destruction of chlorinated phenols in aqueous waste. Advanced oxidation processes utilize hydroxyl radicals t
Autor:
Colin S. Cundy, James O. Forrest
Publikováno v:
Microporous and Mesoporous Materials. 72:67-80
Colloidal silicalite-1 and TS-1 have been prepared by hydrothermal synthesis in the 100–175 °C temperature range using both conventional and microwave heating. Optimum conditions for heteroatom incorporation were found at high temperatures (175 °
Publikováno v:
Microporous and Mesoporous Materials. 66:143-156
Possible methods for the preparation of colloidal zeolite sols are discussed: direct synthesis is at present the only practicable procedure. The linear crystal growth rate for colloidal TS-1 (≈2.5 at.% Ti) at 175 °C was estimated to be ⩽80 nm h
Autor:
Colin S. Cundy, Sally Dennison, Noreen Hanif, Paul A. Rawlinson, Jonathan R. Agger, Andrew P. Wade, Michael W. Anderson
Publikováno v:
Journal of the American Chemical Society. 125:830-839
Atomic force microscopy has been used to image the various facets of two morphologically distinct samples of silicalite. The smaller (20 microm) sample A crystals show 1 nm high radial growth terraces. The larger (240 microm) sample B crystals show g