Showing papers in "Journal of Analytical and Applied Pyrolysis in 2021"

TL;DR: In this article, the effects of physicochemical properties such as pore distribution, element composition, pH value, specific surface area, cation exchange capacity and surface functional groups on the adsorption of heavy metals by biochar under different raw materials and pyrolysis temperatures are discussed.

TL;DR: In this paper, the aging process of polymers under UV irradiation was investigated using analytical pyrolysis coupled with gas chromatography and mass spectrometry (Py-GC/MS).

TL;DR: A bibliometric analysis and systematic literature review of pyrolysis-related articles in the Web of Science database published between 2001-2020 is presented in this paper, showing that Spain is the most productive country in terms of total output and that there are an increasing number of researchers focused on this topic worldwide.

TL;DR: In this article, the authors reviewed the current scenario of plastic waste throughout the world, various methods of pyrolysis as well as the products produced from plastic waste reprocessing.

TL;DR: Vyazovkin et al. as mentioned in this paper studied pyrolysis kinetic behavior and TG-FTIR-GC-MS analysis of 3-ply face masks (3PFM) using elemental analysis, proximate analysis, and compositional analyses.

TL;DR: In this article, the authors present the details of activated carbon from various agricultural wastes with their adsorption capacities based on the reported literature and compare the results with other waste treatment technologies.

TL;DR: In this article, the effect of pyrolysis temperature on basic nitrogen compounds in Huadian shale oil has been investigated using positive ion electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS) and gas chromatography-nitrogen chemiluminescence detection (GC-NCD).

TL;DR: In this paper, pyrolysis of lignin with different heating rates was conducted, and the results indicated that the higher heating rate promoted formation of more gases via the accelerated cracking of both the organic components of biochar and the volatile products.

TL;DR: In this article, different slag evaluation methods such as ash observational method, experimental determination method and theoretical calculation method were evaluated and compared and different factors such as fuel combustion temperature, viscosity, compressive strength, particle size, ash composition, and sediment characteristics were also analyzed and evaluated.

TL;DR: In this article, a co-pyrolysis of mixed plastic and biomass waste is a technically difficult, laborious, expensive and time-consuming process, hence, co-processing of these agricultural waste streams with low levels of plastic contamination presents a novel approach for the management of these plastic containing wastes, producing stable forms of carbon with potential use in environmental, agricultural and industrial applications.

TL;DR: In this paper, the authors investigated the influence of pyrolysis atmosphere on the thermal degradation of waste plastics and found that a mixture of more than 30 % of CO2 may influence the degradation process of plastics due to a higher value of residue obtained after the experiment.

TL;DR: In this paper, a comprehensive study on kinetic methods and models were carried out and deduct that using random scission model in combined kinetic method describe nearly real interpretation of waste plastics degradation, which can shorten the path to design processes for pyrolysis of plastics wastes by performing different thermal schedules in TGA experiments including isothermal, constant heating rate sample controlled thermal analysis (SCTA).

TL;DR: In this paper, a hierarchical porous carbon enriched in oxygen-containing functional groups was prepared by using pine as the raw material, KOH and KMnO4 as a green activator via cost-effective one-step or two-step in-situ pyrolysis processes.

TL;DR: In this article, a simple and effective method for the preparation of nanoporous nitrogen-doped carbonaceous material for liquid phase adsorbents and supercapacitor electrodes was reported.

TL;DR: In this paper, a commercial HZSM-5 zeolite (Si/Al = 24) was modified with Cu species using the wet impregnation method, and applied in the in-situ upgrading of bio-oil from the fast sunflower stalk pyrolysis with a catalyst to biomass ratio of 1:1 at 500 °C.

TL;DR: In this paper, a combination of TG-FTIR and ReaxFF MD simulation method was adapted to explore phenolic resin pyrolysis mechanism, and the activation energy of each stage increases gradually.

TL;DR: In this article, the effect of pyrolysis temperature on the enhancing removal capability of P-modified biochar for Pb(II) from aqueous solutions was investigated. And the physicico-chemical, morphological, porous structure, crystallinity and spectroscopic characteristics of pre-and post-Pb-adsorbed biochars were analyzed to unravel the Pb-(II) adsorption mechanism.

TL;DR: In this article, the magnetic MnFe2O4-sludge biochar composites (MFSB) were synthesized in one-step hydrothermal approach, realizing hydro-thermal carbonization of sludge and preparation of MnFe 2O4 simultaneously.

TL;DR: In this paper, the authors describe the preparation of a mixture of eleven common polymers that could be used as reference sample for microplastics analysis in environmental samples by analytical pyrolysis coupled to gas chromatography and mass spectrometry (Py-GC-MS).

TL;DR: In this article, the authors examined the possibility of exploiting an equivalent blend of locally available bio-wastes, namely date pits (DP) and olive stones (OS), for the production of bio-oil (BO) and bio-char (BC) through thermal pyrolysis route in a semi-batch lab-scale reactor.

TL;DR: In this article, the transformation of N/S/Cl during pyrolysis of waste tire was investigated by Thermogravimetry-Mass Spectrum (TG-MS) and flow tube furnace reactor.

TL;DR: In this article, the effects of various process parameters on the production stage were reviewed, mainly including pre-treatment technology, activation process, pyrolysis temperature and heating technology.

TL;DR: In this paper, thermal carbonization was carried out to convert a brown seaweed (Sargassum duplicatum) into a high value-added biochar, which was used to activate peroxymonosulfate (PMS) in environmental remediation applications.

TL;DR: In this article, primary reactions and gaseous products during fast pyrolysis of low-density polyethylene (LDPE), polypropylene (PP) and polystyrene (PS) were established.

TL;DR: In this article, the use of microwave pyrolysis to decompose waste tires was shown to reduce the time and energy consumption of the conventional thermal decomposition method by 20 min.

TL;DR: In this article, the authors presented co-gasification of rice husk and sachet water plastic waste (SWPW) in the presence of CaO with integrated combined heat and power (CHP) generation for small scale rice mills in Nigeria using Aspen plus model.

TL;DR: In this article, the first research developed to investigate potential applications of dryer lint in the energy recovery field using a pyrolysis process was presented, and the results showed that the collected lint samples contained a huge amount of polyester, cellulose, etc., that could facilitate significantly the conversion energy process.

TL;DR: In this article, the effects of ion-exchanged metal cations (Na+, K+, Ca2+, Mg2+, Co2+ and Ni2+) on the pyrolysis reactivity of Shendong demineralized coal (SD-coal) and the gasification performance of pyrotelysis chars were investigated by Py-GC/MS, TG-FTIR, FBR (the fixed-bed reactor), FTIR, SEM, XRD and CO2 reactivity.

TL;DR: In this paper, the authors examined the non-isothermal kinetics of slow pyrolysis of Imperata Cylindrica (IC) under pure N2 flow and nonisothermal conditions at the heating rates of 2.5, 5, 10, and 17.5 K/min and over the temperature range of 303-1173 K/k.

TL;DR: In this article, the synthesis and application of these catalysts in pyrolysis reactions are explored in detail, and key factors that influence the activity and stability of each type of catalysts are highlighted.