Zobrazeno 1 - 10
of 109
pro vyhledávání: '"J. Simitzis"'
Autor:
Z. Ioannou, J. Simitzis
Publikováno v:
Water Science and Technology. 67:1688-1694
Mixtures of novolac resin and olive stone biomass (20/80 and 40/60 w/w) were cured, pyrolyzed up to 1,000 °C and activated with CO2 under a continuous flow operation (named N20B-cCa and N40B-cCa respectively). Commercial activated charcoal was simil
Autor:
J. Simitzis, Z. Ioannou
Publikováno v:
Journal of Hazardous Materials. 171:954-964
Carbonaceous adsorbents prepared from olive stones biomass and novolac resin, as well as a commercial activated carbon for comparison reasons, have been examined for the removal of phenol and 3-nitrophenol from aqueous solutions. All carbonaceous ads
Publikováno v:
Journal of Magnetism and Magnetic Materials. 299:41-52
Coagulation sensors based on the magnetostrictive delay line technique are presented in this paper. They are based on magnetostrictive ribbons and are used for measuring the coagulation, curing or solidification time of different liquids. Experimenta
Publikováno v:
Diamond and Related Materials. 13:371-375
The optical properties of carbon materials formed by pyrolysis of novolac-resin/biomass composites were studied by Raman, photoluminescence (PL) and (modulated) photoreflectance (PR) spectroscopy in dependence of the pyrolysis temperature and the hea
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Publikováno v:
Applied Surface Science. 143:45-55
High modulus carbon fibers were anodic oxidized in various alkaline electrolyte systems. The success of the modification was proved by contact angle measurements. The fiber surface tension was calculated from the measured contact angles using the har
Publikováno v:
Polymers and Polymer Composites. 3:427-434
Polymer blends were prepared based on three different types of LDPE (A.B.C) and polystyrene without or with compatibilizer (KRATON G-1652) and with the addition of a pigment Iriodin, for the improvement of the optical properties. The Brabender torque
Autor:
J. Simitzis
Publikováno v:
Polymer. 36:1017-1021
Acrylonitrile was polymerized using a redox system. The polyacrylonitrile was modified by heating with aqueous 50% H2SO4 or with aqueous 50% NaOH. Acrylonitrile was also copolymerized with acrylic acid or acrylamide or methylenebisacrylamide using a
Autor:
Z. Ioannou, J. Simitzis
Publikováno v:
Bioresource technology. 129
Carbonaceous adsorbents based on novolac resin (N) and olive stone biomass (B) in a proportion of 20/80 and 40/60 w./w. N/O were produced. The specimens were cured (c) and pyrolyzed/carbonized (C) up to 1000 °C under a continuous countercurrent flow
Autor:
J. Simitzis
Publikováno v:
Acta Polymerica. 45:55-58