Experimental investigation of corn cob pyrolysis

Ćeranić, Mirjana B.; Kosanić, Tijana R.; Djuranovic, D.; Kaludjerovic, Zeljko; Djuric, Slavko; Gojkovic, Perica; Božičković, Ranko

doi:10.1063/1.4966695

Cited by 20 publications

(8 citation statements)

References 21 publications

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“…For the jute stick, the yield of solid residue was found to be approximately 14%. In addition, similar results were observed during the pyrolysis process of the other different biomass products [21,[34][35][36][37].…”

Section: Thermogravimetric Analysis Of Jute Sticksupporting

confidence: 80%

Characterization of Pyrolysis Products and Kinetic Analysis of Waste Jute Stick Biomass

Sarkar¹,

Wang²

2020

Processes

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Thermochemical process of biomass is being considered as a latest technique for the restoration of energy source and biochemical products. In this study, the influence of the different heating rates on pyrolysis behaviors and kinetic of jute stick were investigated to justify the waste jute stick biomass as a potential source of bioenergy. Pyrolysis experiments were carried out at four several heating rates of 10, 20, 30 and 40 °C/min, by utilizing the thermogravimetric analyzer (TG-DTA) and a fixed-bed pyrolysis reactor. Two different kinetic methods, Kissinger–Akahira–Sunose (KAS) and Ozawa–Flynn–Wall (OFW) were used to determine the distinct kinetic parameters. The experimental results showed that, the heating rates influenced significantly on the position of TG curve and maximum Tm peaks and highest decomposition rate of the jute stick biomass. Both the highest point of TG and the lowest point of Derivative thermogravimetry (DTG) curves were shifted towards the maximum temperature. However, the heating rates also influenced the products of pyrolysis yield, including bio-char, bio-oil and the non-condensable gases. The average values of activation energy were found to be 139.21 and 135.99 kJ/mol based on FWO and KAS models, respectively.

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Section: Thermogravimetric Analysis Of Jute Sticksupporting

confidence: 80%

Characterization of Pyrolysis Products and Kinetic Analysis of Waste Jute Stick Biomass

Sarkar¹,

Wang²

2020

Processes

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“…A flow rate of 50 mL min −1 was chosen for the kinetic study. Figure S2 in the Supporting Information shows no difference in decomposition patterns with starting masses between 5 and 20 mg, and again this suggests the absence of interparticle heat‐ or mass‐transport limitations; a sample size of 10 mg was used for subsequent experiments. Figure S3 in the Supporting Information shows the TGA and DTG results of PE35000 with different particles sizes with fixed initial mass (10 mg), sweep‐gas flow rate (50 mL min −1 ), and heating rate (10 °C min −1 ).…”

Section: Resultsmentioning

confidence: 99%

The Chemistry and Kinetics of Polyethylene Pyrolysis: A Process to Produce Fuels and Chemicals

et al. 2020

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The annual global production of plastics reached 335 million metric tons in 2016. Most waste plastics are landfilled or enter the natural environment in an uncontrolled manner. Pyrolysis can convert waste plastics, such as polyethylene (PE), to smaller hydrocarbons that can be used as fuels or chemicals. In this work, pyrolysis of PE was studied by thermogravimetric analysis (TGA) and in a fluidized‐bed reactor. A kinetic model based on two parallel first‐order random‐scission steps was developed on the basis of the TGA results. PE was pyrolyzed in a fluidized‐bed reactor over the temperature range of 500–600 °C and at residence times of 12.4–20.4 s. The yield of gas‐phase products increased from 8.2 to 56.8 wt %, and the yield of liquid‐phase products decreased from 81.2 to 28.5 wt % as the temperature increased from 500 to 600 °C. Detailed analysis of the gas‐ and liquid‐phase products revealed their potential as precursors for production of fuels and chemicals. Gas‐phase products included hydrogen, C1–C4 paraffins, C2–C4 olefins, and 1,3‐butadiene. The major liquid‐phase products were mono‐olefins and cycloalkanes/alkadienes with smaller amounts of n‐paraffins, isoparaffins, and aromatics. The carbon‐number distribution of the fluidized‐bed pyrolysis products suggested contributions of nonrandom reactions of random‐scission fragments at low conversion.

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“…Biogas has also been generated through anaerobic digestion by using the residues with or without a co-substrate [139][140][141][142]. Thermochemical processing was carried out on the residues in studies by Biswas et al [143], Ceranic et al [144], and Tippayawong et al [145].…”

Section: Maizementioning

confidence: 99%

An Assessment of Potential Resources for Biomass Energy in Nigeria

2020

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Nigeria is a developing country with an insufficient supply of energy to meet the continuously growing demand. However, there are several biomass resources available within the country. This paper presents a desk review, which investigates the potential resources for biomass energy generation within the country. Energy policies to aid biomass use as an energy source within the country were also reviewed. Biomass resources identified within Nigeria include forest residues, agricultural residues, human and animal wastes, aquatic biomass, and energy crops. However, several of the resources, particularly agricultural residues, have competing uses, such as livestock feed and soil rejuvenation. An estimation of the technical energy potential of the biomass resources revealed that about 2.33 EJ could be generated from the available resources in Nigeria. Agricultural residues have an energy potential of about 1.09 EJ, with cassava, maize, oil palm, plantain, rice, and sorghum being the major contributors. Animal wastes, municipal solid waste, and forest residues have energy potentials of 0.65, 0.11, and 0.05 EJ, respectively. The potentials of wood fuel and charcoal are 0.38 and 0.05 EJ, respectively. The study found that despite the available potential and existing policies, not much has been done in the implementation of large-scale bioenergy within the country. However, there has been laboratory and research-scale investigations. The review suggests that more policies and stronger enforcement will aid bioenergy development within the country. From the review, it has been suggested that the agricultural sector needs to be developed to generate more biomass resources. More research, development, and implementation have to be carried out on biomass resources and bioenergy generation processes. The production of non-edible energy crops in marginal lands should also be considered prime to the development of bioenergy within the country.

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Experimental investigation of corn cob pyrolysis

Cited by 20 publications

References 21 publications

Characterization of Pyrolysis Products and Kinetic Analysis of Waste Jute Stick Biomass

Characterization of Pyrolysis Products and Kinetic Analysis of Waste Jute Stick Biomass

The Chemistry and Kinetics of Polyethylene Pyrolysis: A Process to Produce Fuels and Chemicals

An Assessment of Potential Resources for Biomass Energy in Nigeria

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