Showing papers in "Journal of Analytical and Applied Pyrolysis in 2022"

TL;DR: In this paper , the main properties of lignocellulosic biomass and coal, along with their decomposition processes are described and a comprehensive reaction pathway is proposed to better explain the important role played by AAEM catalysts during primary and secondary pyrolysis reactions.

TL;DR: In this article , the authors investigated the kinetic behaviors using thermogravimetric analysis and pyrolysis characterization for the co-pyrolyse of biomass (bamboo and oak wood) with plastics (polypropylene [PP] and polystyrene [PS]) in a fixed-bed reactor.

TL;DR: In this paper , the authors discussed the influence of aqueous phase properties on the hydrochar properties of activated sewage sludge (SS), especially using the recirculation process.

TL;DR: In this paper , a review summarizes a wide range of literature on the impact of feedstocks and production processes and reactions conditions on the biochar properties and the most important biochar features required for the different potential applications.

TL;DR: In this article , aviation oil production from microwave-assisted pyrolysis of polystyrene plastics was detailed and the yields and components of oils at different microwave absorbent loads (30, 45, 60, 75, and 90 g SiC), microwave powers (450, 550, 650, 750, and 850 W), and pyropolysis temperatures (340, 400, 460, 520, and 580 °C) were elaborated for the target of aviation oils production.

TL;DR: In this paper , microwave pyrolysis of polyethylene terephthalate (PET) plastic bottle sheets as affected by sheet size (2.5 × 2.5, 5.0 × 5.5 and 10 × 10 mm2), silicon carbide load (20, 25, 30, 35, 35 and 40 g), and temperature (450, 500, 550, and 600 °C) was investigated.

TL;DR: In this article , a review of the recent advances in multi-scale computational fluid dynamics simulations of biomass pyrolysis in fluidized bed reactors is presented, together with an overview of the theoretical basis and practical applications of four main particle-scale models.

TL;DR: In this paper , the main components of lignocellulosic biomass and reveal the pyrolysis chemistry through the behaviors that occurred during the catalytic co-pyrolyse.

TL;DR: In this article , the pyrolytic degradation of cellulose using Advanced Kinetics and Technology Solutions (AKTS) software was investigated using three methods, Friedman's differential iso-conversional, FWO and ASTM-E698.

TL;DR: In this paper , various conventional and novel methods for activating PET to determine the current situation of this technology and the reasons for the low interest in it compared to other polymeric wastes such as scrap tires.

TL;DR: In this paper , the effect of pyrolysis temperature on the yield and properties of biochar was investigated, and the effect was shown that SC yields were in the range of 10.81-22.16% when the pyrolysis temperature ranged from 400° to 900°C.

TL;DR: In this paper , the physicochemical characterization, kinetic and thermodynamic analyses of corn and cotton stalks pyrolysis are performed and the changes in Gibbs free energy, enthalpy and entropy for them are evaluated.

TL;DR: In this article , the pyrolysis and thermo-degradation of 11 virgin-polypropylene (virgin-PP) with different levels of arsenic in its polymer matrix, was carried out in a discontinuous quartz reactor at 500 °C.

TL;DR: In this paper , the effect of polymer interactions on the composition of pyrolysates was investigated by Py-GC-MS in a mixture of poly(ethylene terephthalate) (PET) and poly(vinylchloride) (PVC) and the polyamides PA6 (polycaproamide) and PA66 (poly(hexamethylene adipamide)).

TL;DR: In this paper, the effect of polymer interactions on the composition of pyrolysates was investigated by Py-GC-MS in a mixture of poly(ethylene terephthalate) (PET) and poly(vinylchloride) (PVC) and the polyamides PA6 (polycaproamide) and PA66 (poly(hexamethylene adipamide)).

TL;DR: In this paper , a new approach, namely volatile state approach, is developed with the volatile products as the main basis or reference to predict the mass fraction and yield as well as to determine the kinetic parameters from oil palm shell pyrolysis.

TL;DR: In this article , the surface functionalities as well as Rhodamine B adsorption capacities change with the number of recycle cycles of a commercial hydrothermal carbonization (HTC) process.

TL;DR: In this article , polyolefins and polystyrene (PS) were converted into methane and carbon spheres through pyrolysis under autogenic atmosphere (AAP) to elucidate the product evolution and reaction mechanism of AAP.

TL;DR: In this article , the potential of various leguminous biomass such as L. leucocephala, C. proliferus, P. alba and S. sesban, both energetic and a source of high added value products, was studied at different heating rates by using the analytical method of thermogravimetric (TG), isoconversional method of Kissinger-Akahira-Sunose (KAS), determination of some thermodynamic parameters and pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS).

TL;DR: In this article , the influence of transition metal oxide-induced oxygen transport on the thermochemical conversion of high-density polyethylene, a model plastic feedstock, in a bubbling fluidized bed reactor was investigated.

TL;DR: In this paper , the effect of CWPP/KOH precursors ratio and second pyrolysis temperature were systematically carried out to study the activated Biochars physico-chemical properties (morphology, textural and chemical bands) using different techniques.

TL;DR: In this paper , coal macromolecular structures, and reaction mechanism, influencing laws of main operating factors of coal pyrolysis, as well as its co-pyrolyisation with biomass are comprehensively summarized.

TL;DR: In this article , a co-hydrothermal liquefaction (co-HTL) using peat (P) and wastewater-grown microalgae (MA) for enhancing biocrude production as waste to energy approach was investigated.

TL;DR: In this article , a systematic framework is proposed to robustly realize the potential risks associated with any building polymer samples, which involves a five-step procedure including (i) performing TGA on the core polymer materials to acquire thermal and gas decomposition data; (ii) extracting pyrolysis kinetics data from TGA results via an initial estimation of the Kissinger-Akahira-Sunose method; (iii) optimise kinetics parameters via a shuffled complex evolution (SCE) algorithms to match DTG curves for an accurate representation of the degradation behaviour; (iv) conduct reduce-scale simulations via computational fluid dynamics (CFD) in a cone calorimeter environment and compare against experimental data with/without aluminium covering for validation; (v) use the validated model to predict gaseous products, toxicity and soot particles releases and benchmark against Cone Calorimeter data.

TL;DR: In this article , the effects of lignin doping ratio (0, 25, 50, 75, and 100%) and pyrolysis temperature (450, 550, and 650 ℃) were evaluated.

TL;DR: In this paper , the TG, XPS and GC/MS technologies were used to investigate the nitrogen migration pathways during prolysis in pyrolysis of maize straw and maple wood and found that the fuel-N in the two species mainly exists as protein-N, amide-N and inorganic-N functional groups.

TL;DR: In this article , the relationship between pyrolysis products distribution and the structural features of xylose-based hemicelluloses was analyzed using Fourier transform infrared spectroscopy, thermogravimetric analysis and nuclear magnetic resonance.

TL;DR: In this article , the authors investigated co-pyrolysis of biosolids with alum sludge with an aim to produce high quality biochar with reduced heavy metal content.

TL;DR: In this article , the influence of temperature (400 ºC, 500 º C and 600 ºc) and carrier gas (N2 and CO2) on biochar yields, physicochemical, and structural attributes was investigated.

TL;DR: In this paper , a detailed discussion of the basic principles and recent advances in the spray pyrolysis method to deposit various nanostructures is presented, and the authors explore the prospects and challenges in spray pyrotechnic deposition for gas sensing applications for the future research community.