Abstract
The pyrolysis of rubber from the sidewall and tread of a passenger car tire was carried out in a nitrogen flow at a wide range of final temperatures. Derivative thermogravimetric analysis (DTG) was applied to examine the kinetics at the different process conditions of completed pyrolysis. Two characteristic stages were observed in the DTG curves. The first stage corresponded to the decomposition of processing oil, plastifier, and additives, whereas the rubber polymer was decomposed in the second stage. Several properties of the carbon black formed by the pyrolysis such as ash content, specific surface area, and pore size distribution were determined. A change of the internal structure of the rubber particle in the meso-and macroregions of the pore size was observed.
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© 2006 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Coupled membrane process applied to fruit juice concentration
- Residence time distribution study for the catalytic packing MULTIPAK®
- Prediction of gaseous emissions from industrial stacks using an artificial intelligence method
- Production of process water using integrated membrane processes
- Kinetics of pyrolysis and properties of carbon black from a scrap tire
- Extraction of Re(VII) by neutral and basic extractants
- Multiple steady states in a CSTR with total condenser: Comparison of equilibrium and nonequilibrium models
- Influence of biomass on hydrodynamics of an internal loop airlift reactor
- Modelling of enzymatic reaction in an internal loop airlift reactor
- Safety analysis and risk identification for a tubular reactor using the HAZOP methodology
- Soil adsorption defluoridation of drinking water for an Ethiopian rural community
- Isolation and identification of anthraquinones of Caloplaca cerina and Cassia tora
- Selection of carrier for immobilization of fructosyltransferase from Aureobasidium pullulans