Showing papers in "Journal of Analytical and Applied Pyrolysis in 2011"

TL;DR: A critical review of kinetic models and mathematical approximations currently employed in solid state thermal analysis is provided and analysis of thermal decomposition data obtained from two agricultural residues, nutshells and sugarcane bagasse reveals the inherent difficulty and risks involved in modeling heterogeneous reaction systems.

TL;DR: In this article, the catalytic fast pyrolysis of lignocellulosic biomass samples comprising oak, corn cob, corn stover, and switchgrass, as well as the fractional components of biomass, i.e., cellulose, hemicellulose, and lignin.

TL;DR: In this article, the pyrolysis characteristics of biomass have been investigated using both a thermogravimetric analyzer coupled with a Fourier transform infrared spectrometer (TG-FTIR) and an experimental Pyrolyzer.

TL;DR: In this paper, analytical pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) was employed to achieve fast pyrolynsis of cellulose and on-line analysis of the pyrolys vapors.

TL;DR: In this paper, the pyrolysis behavior of torrefied leucaena leucocephala was examined in detail by using the TG-MS technique and it was found that the carbon content and the calorific value of the torrefined leuciaena increased significantly when temperature and holding time during the torification increased.

TL;DR: In this article, the thermal reactions of guaiacol and syringol were compared in a closed ampoule reactor to obtain information on the thermal reactivities of lignin aromatic nuclei.

TL;DR: In this paper, the pyrolysis of synthetic biomass samples as three-component mixtures was investigated by using the technology of thermogravimetric analyzer coupled with Fourier transform infrared spectrometer (TG-FTIR).

TL;DR: In this article, the potential of thermal conversion (pyrolysis) of municipal solid waste (MSW), a thermogravimetric study (TGA) is performed in a stream of nitrogen.

TL;DR: In this article, a new technique was proposed to produce furfural (FF) through low-temperature fast pyrolysis of biomass impregnated with ZnCl2.

TL;DR: In this paper, the thermal decomposition mechanisms and intermediate morphology of MgCl 2 ·6H 2 O and MgO were studied using integrated thermal analysis, X-ray diffraction, scanning electron microscope and chemical analysis.

TL;DR: In this paper, Japanese cedar and Japanese beech milled wood lignins (MWLs) were compared with those of guaiacol/syringol as simple lignin model aromatic nuclei.

TL;DR: In this paper, a novel phosphorus-containing oligomeric flame retardant, poly(DOPO substituted hydroxyphenyl methanol pentaerythritol diphosphonate) (PDPDP) was synthesized and applied to flame retarded epoxy resins.

TL;DR: Chan et al. as discussed by the authors used a thermodynamic model to predict the enthalpy of pyrolysis, which represents a lumped heat of volatiles and char formation at a reference temperature.

TL;DR: In this article, a series of biomass wastes (sewage sludges, coffee hulls and glycerol) were subjected to pyrolysis experiments under conventional and microwave heating.

TL;DR: In this article, the authors compared slow and vacuum pyrolysis of sugar cane bagasse, in the same reactor allowing the comparison of these two processes, and found that the latter led to a higher BET specific surface area whereas the former seemed to favour the HHV of charcoal.

TL;DR: In this paper, the thermal degradation of sheep wool, human hair and chicken feathers was studied by TG-MSD/FTIR and by pyrolysis followed by GCMSD analysis in order to identify the degradation compounds and the temperature range in which they are formed.

TL;DR: In this article, the roles of intermediates in tar, coke and gas formation from guaiacol and syringol are discussed at the molecular level, focusing on their differences.

TL;DR: In this paper, a composite waste composed of carbon fibres and polybenzoxazines resin has been pyrolysed in a fixed bed reactor at temperatures of 350, 400, 450, 500 and 700°C.

TL;DR: In this article, the authors investigated the electricity consumption and energy balance of microwave pyrolysis (MWP) and found that MWP had obvious advantages over conventional pyrolynsis, such as heating rapid and more valuable products obtained.

TL;DR: In this article, a solid water insoluble material (WIS), commonly called pyrolytic lignin, can be isolated from biomass fast-pyrolysis oils, which are largely made up of aromatic rings substituted with varying amounts of methoxy groups and linked by varying types of aliphatic linkers.

TL;DR: In this paper, the role of lower pyrolysis temperatures and lower heating rates on the gasification characteristics of agricultural waste chars was studied to determine the effect of operating conditions on the char structure.

TL;DR: In this paper, the thermal decomposition of tobacco waste and sorghum bagasse was investigated by non-isothermal thermogravimetric analyses, applying slow heating rates and well-defined conditions.

TL;DR: In this paper, pyrolysis was carried out at five different temperatures from 400°C to 600°C and at a vapor residence time of 5−s, to study the effect of temperature on the yield of the bio-oil products.

TL;DR: In this article, coal samples from Shin-Wha, China were pyrolyzed using a lab-scale furnace in a nitrogen atmosphere under non-isothermal conditions at heating rates of 5, 10, 20, and 30°C/min until the furnace wall temperature reached 900°C.

TL;DR: In this paper, fast pyrolysis of yellow poplar wood (Liriodendron tulipifera ) was performed under different temperature ranges and residence times in a fluidized bed reactor to maximize the yield of biooil.

TL;DR: In this paper, palm, olive, rapeseed and castor oils were pyrolysed by pyrolysis gas chromatography with mass selective and flame ionisation detection (Py-GC/MSD and FID) to clarify their thermochemical behaviours.

TL;DR: In this article, a lab-scale fast pyrolysis set was designed and used for the quantitative production of the three chemicals, including furfural (FF), acetic acid (AA), and activated carbons (ACs).

TL;DR: In this article, the authors studied the thermal degradation of SPEEK membranes by coupling thermogravimetric analysis (TGA) and mass spectrometry (MS) and found that main mass losses can be attributed to water evaporation, desulfonation and oxidative pyrolysis of polymer main chain.

TL;DR: In this article, the effect of temperature on catalyst/support phases and crystal size was identified by using XRD, the crystallite size was decreased with increase temperature and the structure and purity of synthesized CNTs at different temperatures was examined by TEM and the effect on the surface area of the synthesized MWCNTs was investigated.

TL;DR: Guaiacol, pyrocatechol and resorcinol were identified and quantified as the major products from catalytic pyrolysis of lignin of various origin this paper.