... type of thermochemical conversions, the pyrolysis process was carried out at eight different heating rates on horse manure using three parameters: the extent of reaction, the rate change of the extent of reaction, and differential thermal analysis (DTA), all used to determine kinetic data...

...Xinhao Ye; Jinhu Li; Wei Lu; Xuan Liu; Zhiwei Wang; Chisen Liang In this study, the same moles of alkali and alkaline earth metallic species were introduced into pine wood to investigate their effects on biomass pyrolysis and carbon dioxide-assisted gasification. First, thermogravimetric analysis...

...-coke is a clear indicator of different pyrolysis stages, including moisture evaporation, primary pyrolysis of kerogen, decomposition of asphalt monomer, and mineral decomposition. Furthermore, the distribution model of electrical resistance (R) and photoconductance (ΔI) for Huadian oil shale is plotted...

...Xiaoxiao Meng; Wei Zhou; Emad Rokni; Xigang Yang; Yiannis A. Levendis The current research assessed the evolution of gases from pyrolysis of biomass and from the subsequent combustion of bio-chars. Raw and torrefied biomass was pyrolyzed in nitrogen or carbon dioxide under high heating rates (10 4...

...Ruochen Liu; Martin Graebner; Remi Tsiava; Ting Zhang; Shenqi Xu To explore the feasibility of converting hot flue gas into valuable syngas through char gasification process, Aspen Plus is applied to evaluate the performance of the integrated system including oxy-combustion, pyrolysis, gasification...

... with other kinds of wastes so that much of this waste ends up in landfills. This study investigates the safe disposal of cigarette butts by the thermochemical pathways using pyrolysis and gasification. Mass loss during its thermal decomposition was examined first using a thermogravimetric analyzer...

...Hamed Abedini Najafabadi; Nesrin Ozalp; Richard A. Davis Biochar produced from slow pyrolysis of cocoa shells was studied as a sorbent for CO 2 capture. Three cocoa shell samples obtained from Papua New Guinea, Peru, and Colombia were studied. Thermogravimetric analysis showed that the first three...

...Osama M. Selim; Ryoichi S. Amano Conventional pyrolysis is a relatively simple way for biochar production; however, a single biomass feedstock approach is not promising for the development of multiple properties of biochar used in various applications. This study provides a detailed comparison...

...Osama M. Selim; Mohamed S. Hussein; Ryoichi S. Amano This paper presents the study on the effect of different heating rates on the pyrolysis and gasification process of the chicken manure. The obtained results are shown by the extent of reaction, the kinetics of the reaction, and differential...

... and examining heat transfer conditions and the final temperature distribution in the system taking into account the endothermic pyrolysis reactions occurrence. The impact of the most important numerical parameters on simulation results was also investigated. Model was prepared in ansys fluent 18.2 software...

...Harshal D. Kawale; Nanda Kishore Pyrolysis of a rarely researched biomass feedstock, Delonix regia (DR), at different pyrolysis temperatures carried out in a tubular reactor at an atmospheric pressure of one bar. In addition to the fuel and physical properties of produced bio-oil and bio-char...

...Alok Dhaundiyal; Laszlo Toth This work investigates the kinetics of a pyrolysis reactor. Pyrolysis is demarcated as a two-step process that is the primary and the secondary decomposition of hardwood in the presence of nitrogen. The qualitative aspect of the analysis is performed by allowing...

...; final manuscript received April 18, 2013; published online November 26, 2013. Assoc. Editor: Richard West. 16 09 2012 18 04 2013 Fig. 5 Comparison of reaction rate constant from various LDPE pyrolysis studies (2) k = k 1 + k 2 = A 1 · exp...

... for the production of potentially valuable hydrocarbons. plastic FCC pyrolysis catalyst selectivity Rapid growth of the world population led to increased demand of commodity plastics. Plastic pollution has become an indispensable ingredient of human life. The huge amount of waste plastics...

...K. Suresh Kumar Reddy; Pravin Kannan; Ahmed Al Shoaibi; C. Srinivasakannan The present work is an attempt to compile and analyze the most recent literature pertaining to thermal pyrolysis of plastic waste using fluidized bed reactors. The review is short owing to the small number of work reported...

...Lin Yang; Jing-yu Ran; Li Zhang There are much coal with low content of volatile matter (V ad < 20%), high content of ash (A ad > 50%), low heating caloric (∼10,000 kJ/kg) in China. It is very important to study pyrolysis performance of the coal to ensure high efficiency of utilization...

...J. Rhett Mayor; Alexander Williams Bio-oils were produced within a fast pyrolysis microreactor at 400 ° C from Pinus taeda (Loblolly pine) with varying residence times. This study has considered six residence times, evaluating the products of the reaction between 10 s and 120 s. The collected bio...

...Kaushlendra Singh; Mark Risse; K. C. Das; John Worley The proportional composition of cellulose, hemicellulose, lignin, and minerals in a biomass plays a significant role in the proportion of pyrolysis products (bio-oil, char, and gases). Traditionally, the composition of biomass is chemically...

... nitrogen, water vapor, hydrogen, and mixture of nitrogen and water vapor. Other conditions are 2–11 mm particle size, 1 atm operating pressure, and 410 – 550 ° C temperature range. The sulfur content of shale oil was found to be 12 wt % for hydrogen pyrolysis, while water vapor at 1 atm decreased...

... by elemental analysis, H 1 - NMR spectroscopy and Fourier transform infrared spectroscopy. The structure of the solid products was determined by proximate and ultimate analyses, while the composition of gas products was found by gas chromatography. Table 2 gives the product yields of pyrolysis...