Showing papers in "Journal of Analytical and Applied Pyrolysis in 2012"

TL;DR: In this article, the authors examined the effect of pyrolysis temperature on the quality of poultry litter biochar and identified the optimal pyrolysis temperature for converting poultry litter to agricultural-use biochar.

TL;DR: In this article, activated carbons were produced from acorn shell by chemical activation with zinc chloride (ZnCl 2 ) at 600°C in N 2 atmosphere and their characteristics were investigated.

TL;DR: In this article, the PAN precursor fiber was converted into PAN-based carbon fiber and activated carbon fiber by pyrolysis process and the parameters involved during heat treatment of PAN fiber were consistently discussed.

TL;DR: In this article, a comparison of the volatile species evolved by thermal degradation (TGA) and the subsequent characterisation by the MS and FTIR spectra was performed using a model based on first-order reactions with a distribution of the activation energies.

TL;DR: In this article, a pyrolysis process for converting lignocellulosic biomass to bio-fuels is proposed for national energy security and for environmental advantages.

TL;DR: In this article, a bio-oil recovery system that overcomes the fouling problems that commonly occur in conventional condensers, allowing recovery of stage fractions (SF) of biooil with distinctive chemical and physical properties.

TL;DR: In this article, the results show that the best fit was achieved with the Sips isotherm equation with a maximum MB adsorption capacity of 259.25 µm2/g.

TL;DR: In this paper, the authors report the controversies, well-established knowledges and unresolved questions concerning the existence and role of intermediate species (often called active cellulose) in pyrolysis.

TL;DR: In this paper, the potential of vacuum pyrolysis to convert sugar cane bagasse into char materials for wastewater treatment and soil amendment is the focus of a research paper, where the authors obtained char with the required porous structure, making it very efficient as adsorbent both in terms of methylene blue (MB) adsorption with a N 2 -BET surface area of 418 m 2 ǫg −1.

TL;DR: In this article, the effects of variability of lignin source on fast and slow pyrolysis products are also investigated, and the results indicate that PCG lignins release more alkyls than aspen and Kraft ligniners.

TL;DR: In this article, thermal pyrolysis of three different polyolefin plastics (HDPE, LDPE and PP) has been carried out in a conical spouted bed reactor.

TL;DR: In this paper, the effect of metal impregnation on the pyrolysis mechanisms of the main constituents of biomass was investigated and the results showed that metal precursors display catalytic activity that results in a significant decrease in tar production and increases hydrogen formation during pyrolyssis.

TL;DR: In this article, the effects of pyrolysis temperature and heating rate on the porous structure characteristics of rice straw chars were investigated, and the results showed that temperature had obvious influence on the char porous characteristics.

TL;DR: In this article, the pyrolysis behaviors of corn stalks and its three real components (i.e. hemicellulose, cellulose, and lignin) have been investigated with the techniques of TG-MS and Py-GC/MS.

TL;DR: In this article, a pyrolysis-based lignin biorefinery approach, called LIBRA, was developed to transform lignins into phenolic bio-oil and biochar using bubbling fluidized bed reactor technology.

TL;DR: In this paper, a mixture of polyethylene (PE), polypropylene (PP), polystyrene (PS), poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC), which resembles real municipal plastic waste, has been pyrolysed in a 3.5mm 3 semi-batch reactor at 440°C for 30min using a ZSM-5 zeolite as catalyst.

TL;DR: In this article, the combined effect of the temperature (240 and 280?C) and oxygen concentration (2, 6, 10 and 21%) on the physical and chemical properties of large particles of Eucalyptus grandis was evaluated.

TL;DR: In this paper, the authors evaluated the biochar properties of ECR, a processing byproduct from the soluble coffee industry, as a potential feedstock for preparing biochar fuel and showed that the resulting biochar has higher nitrogen content, which may contribute to greater nitrogen oxides (NOx) emissions during combustion or co-firing.

TL;DR: In this article, a process optimization for the production of activated carbon from sludge of food processing industry is presented, where the product was characterized through its iodine value and yield percentage.

TL;DR: In this paper, microwave pyrolysis of Douglas fir sawdust pellet was investigated to determine the effects of reaction temperature and time on the yields of bio-oil, syngas, and charcoal using a central composite design (CCD) and response surface analysis.

TL;DR: In this article, the degradation and oxidation kinetics of torrefied wood have been studied by evaluating thermogravimetric curves measured in nitrogen and air at various heating rates.

TL;DR: In this article, an overhead stirrer was used to pyrolyse biomass under microwave (MW) irradiation, and the ratio of biomass to activated carbon was varied to investigate its effect on the temperature profile, product yield and phenol content of the bio-oil.

TL;DR: In this article, a two-stage continuous screw-kiln reactor was investigated for the production of synthesis gas (syngas) from the pyrolysis of biomass in the form of waste wood and subsequent catalytic steam reforming of the oils and gases.

TL;DR: In this paper, the authors investigated the effects of reaction temperatures, biomass particle size and the use of simple hot vapour filtration on pyrolysis product yields and properties.

TL;DR: In this article, the effect of pyrolysis temperature on the yield and composition of bio-oils obtained from the auger pyrolynsis of Douglas fir wood was investigated.

TL;DR: In this article, four different biomass samples (pine cone, soybean cake, corn stalk and peanut shell) were pyrolyzed to 550°C in an inert gas atmosphere and a comparison between the properties of chars produced has been performed.

TL;DR: In this paper, a combination of thermogravimetry and Fourier transform infrared spectrometer (TG-FTIR) and X-ray diffraction (XRD) were used to investigate pyrolysis characteristics of Phyllostachys pubescens.

TL;DR: In this article, a single-stage chemical vapor deposition (CVD) method using nickel as catalyst was used to synthesize multi-walled carbon nanotubes (MWCNTs).

TL;DR: In this paper, the upgrading by torrefaction of leucaena, woody biomass, at 200-250°C under volumetric pressure up to 4MPa was examined.

TL;DR: In this article, the effects of important microwave processing parameters and chemical activation treatments on the quality and yield of resultant carbonaceous adsorbents were investigated with the aim of technological industrialization.