Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Jean-Victor Weber"'
Autor:
Jarek Wiszniowski, Didier Robert, Joanna Surmacz-Gorska, Korneliusz Miksch, Jean-Victor Weber
Publikováno v:
International Journal of Photoenergy, Vol 5, Iss 2, Pp 69-74 (2003)
Aims of the present work are to investigate the photomineralization of commercial humic acid in water solution.The effect of initial pH of solution and different anions (chloride, sulfate and mixture) on the photocatalytic degradation of HA with tita
Externí odkaz:
https://doaj.org/article/2f5bfe2db92a4fd59c1f2fa0c4cdf7fc
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 101:111-121
The effect of mineral addition on biomass thermal decomposition was investigated in slow pyrolysis conditions (10 °C min−1). The tests were carried out on the biomass components, their mixtures and real wood (birch wood), using thermogravimetric a
Publikováno v:
Applied Surface Science. 256:4570-4581
Acidic ceria–zirconia (SCZ) solid acid catalysts with a nominal surface density of ca 2 SO42−/nm2 were prepared by a simple route consisting in soaking high specific surface area CexZr1−xO2 (with x = 0.21 and 0.69) mixed oxides solutions in 0.5
Publikováno v:
Water Science and Technology. 60:2187-2193
In order to remove pesticides from water, a basic photoreactor has been built. We evaluated the performance of this photoreactor using two commercial photocatalytic materials from Ahlstrom group and from Saint-Gobain, with solar and artificial UV-lam
Publikováno v:
The Journal of Physical Chemistry C. 113:13287-13299
The adsorption/desorption of NOx on commercial CexZr1−xO2 solid solutions (x = 1, 0.85, 0.69, 0.5, 0.21, 0.1, and 0) is reported in this paper. In the first part, the characterization of the ceria-zirconia is carried out by N2 adsorption at 77 K, T
Catalytic pyrolysis and gasification of Miscanthus Giganteus: Haematite (Fe2O3) a versatile catalyst
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 84:84-88
The present work describes the catalytic steam gasification and pyrolysis of Miscanthus × Giganteus pellets. Alone or in combination, pyrolysis and gasification catalytic processes lead nowadays to promising methods for the production of energy and
Transient TPSR, DRIFTS-MS and TGA studies of a Pd/ceria-zirconia catalyst in CH4 and NO2 atmospheres
Publikováno v:
Catalysis Today. 137:167-173
In this study, the parameters governing the activity of Pd/ceria-zirconia catalysts in the selective catalytic reduction (SCR) of NO x assisted by methane are investigated using a combination of temperature-programmed spectroscopic and thermogravimet
Publikováno v:
Catalysis Today. 137:278-282
In this study, the nature of surface intermediates generated by adsorption of NO and NO2 on a commercial ceria–zirconia powder of composition Ce0.69Zr0.31O2 was investigated using Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS)
Autor:
V. I. Sharypov, Jean-Victor Weber
Publikováno v:
Environmental Chemistry Letters. 7:233-247
Food and beverages contain many toxic chemicals that raise health concerns. Ethyl carbamate (EC) or urethane is the ethyl ester of carbamic acid. It occurs at low level, from ng/L to mg/L, in many fermented foods and beverages. Ethyl carbamate is gen
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 92:795-799
The influence of different inorganic salts (MgCl2, ZnCl2, NiCl2 and H2PtCl6) on the primary mechanisms of cellulose thermal degradation has been conducted by using thermogravimetric (TG-DTG) and pyrolysis-mass spectrometry (Py-MS) analysis at low hea