Pyrolysis of waste animal fats in a fixed-bed reactor: Production and characterization of bio-oil and bio-char

Trabelsi, Aïda Ben Hassen; Kraiem, Takwa; Naoui, Slim; Belayouni, Habib

doi:10.1016/j.wasman.2013.09.019

Cited by 171 publications

(74 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…These results are similar to those found by [10] on the pyrolysis of waste swine fats: the liquid yields represent 58 wt.%, the solid fraction near 2 wt.% and the gaseous fraction between 20 wt.% and 40 wt.%.…”

Section: A Products Yieldssupporting

confidence: 90%

“…Furthermore, the comparison of H/C atomic ratio with those of conventional fuels showed that H/C atomic ratio of the obtained is lower than those for petroleum products [12]. Biochar carbon content is similar to those found by [10] on biochar from different animal fatty wastes (swine, poultry and lamb) and lower than those found by [1] approximately 50% for residues from the pyrolysis of woody wastes. Bio-char moisture content is about 3.9%, which is in the same order of those reported in the literature (from 0 to 10%, according to [1]).…”

Section: B Bio-char Characterization -Elemental Analysissupporting

confidence: 54%

“…The bio-oil is commonly used as an additive to conventional diesel in transport sector which is the biggest consumer of fossil fuels [9] [10]. Likewise, the valorization of the co-products of pyrolysis (non negligible yields) improves the economic returns of the pyrolysis plant, which motivates us to characterize for a valorization and subsequently the improved of all the conversion system.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Characterization of syngas and bio-char: Co-products from pyrolysis of waste fish fats

Kraiem

Trabelsi

Naoui

et al. 2014

2014 5th International Renewable Energy Congress (IREC)

View full text Add to dashboard Cite

Waste fish fats from Tunisian fish industry were pyrolyzed under nitrogen in a laboratory scale fixed-bed reactor. The pyrolysis was performed with a heating rate of 5°C/min from the ambient up to a final temperature of 500°C. In these conditions the main product is bio-oil (55 wt.%) while the coproducts are syngas (44 wt.%) and bio-char (1 wt.%). The objective of this work is to characterize syngas and bio-char, to improve this technology in environmental and economic terms. The bio-char is characterized using elemental analysis (CHNS), moisture content, Fourier Transform Infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analyses furthermore the syngas composition is determined during the pyrolysis reaction. From the obtained results, we can conclude that the characterization of the pyrolysis by-products indicate that: (i)The syngas contains CH 4 , CO 2 , CO and H 2 S; (ii) The bio-char characterization by elemental analyses indicates a high oxygen content and a moderate carbon content; these properties are confirmed by a high proportion of oxygenated functions and a modest aliphaticity (FTIR analyses).

show abstract

Section: A Products Yieldssupporting

confidence: 90%

Section: B Bio-char Characterization -Elemental Analysissupporting

confidence: 54%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Characterization of syngas and bio-char: Co-products from pyrolysis of waste fish fats

Kraiem

Trabelsi

Naoui

et al. 2014

2014 5th International Renewable Energy Congress (IREC)

View full text Add to dashboard Cite

show abstract

“…This oil content may have the potential to supplant conventional fuels due to the transformation of the triglycerides into alkanes and alkenes. The pyrolysis product also contains acids, aldehydes, ketones and aromatic compounds in its composition due to incomplete pyrolysis or particular constituents of the biomass (Hassen-Trabelsi et al, 2014).…”

Section: Resultsmentioning

confidence: 99%

Pyrolysis of mangaba seed: Production and characterization of bio-oil

Santos

Sussuchi

et al. 2015

Bioresource Technology

View full text Add to dashboard Cite

The aim of this study was to evaluate the potential of Hancornia speciosa GOMES (mangaba) seeds as a novel matrix for the production of bio-oil. The study was divided into three steps: (i) characterization of the biomass (through elemental analysis (CHN), infrared spectroscopy (FTIR-ATR), thermogravimetry (TG), and determination of biomass composition; (ii) pyrolysis of mangaba seed to obtain the bio-oil; and (iii) characterization of the bio-oil (thermogravimetry and gas chromatography/mass spectrometry-GC/qMS). The TG of the sample showed a mass loss of around 90% in 450°C. In the pyrolysis experiments the variables included temperature (450 and 600°C), sample mass (5 and 11g) and prior heating (with or without), with the best conditions of 600°C, 11g of seeds and prior heating of the furnace. The GC/qMS analysis identified carboxylic acids and hydrocarbons as the major components, besides the presence of other compounds such as furanes, phenols, nitriles, aldehydes, ketones, and amides.

show abstract

“…Nevertheless, several of these processes have been developed into a pilot plant scale despite their limited energy efficiency [54]. Pyrolysis has been performed using electrical furnace as the heating source as shown by Ben Hassen-Trabelsi et al [55] and Jimenez-Cordero et al [56].…”

Section: Pyrolysismentioning

confidence: 99%

Progress in waste oil to sustainable energy, with emphasis on pyrolysis techniques

Lam

Liew

Jusoh

et al. 2016

Renewable and Sustainable Energy Reviews

291

View full text Add to dashboard Cite

a b s t r a c tThis paper begins with a review on the current techniques used for the treatment and recovery of waste oil, which is then followed by an extensive review of the recent achievements in the sustainable development and utilization of pyrolysis techniques in energy recovery from waste oils. The advantages and limitations shown by the use of pyrolysis technique and other current techniques were discussed along with the future research that can be performed on the pyrolysis of waste oil. It was revealed that the current techniques (transesterification, hydrotreating, gasification, solvent extraction, and membrane technology) are yet to be sustainable or completely feasible for waste oil treatment and recovery. It was established that pyrolysis techniques offer a number of advantages over other existing techniques in recovering both the energetic and chemical value of waste oil by generating potentially useful pyrolysis products suitable for future reuse. In particular, microwave pyrolysis shows a distinct advantage in providing a rapid and energy-efficient heating compared to conventional pyrolysis techniques, and thus facilitating increased production rates. It was found that microwave pyrolysis of waste oil showed good performance with respect to product yield, reaction time, energy consumption, and product quality, and thus showing exceptional promise as a sustainable means for energy recovery from waste oils. Nevertheless, it was revealed that some important characteristics of the pyrolysis process have yet to be fully investigated. It was thus concluded that more studies are needed to extend existing understanding in the optimal reaction and process parameters in order to develop the pyrolysis technology to be a sustainable and commercially viable route for energy recovery from problematic waste oils.

show abstract

Pyrolysis of waste animal fats in a fixed-bed reactor: Production and characterization of bio-oil and bio-char

Cited by 171 publications

References 34 publications

Characterization of syngas and bio-char: Co-products from pyrolysis of waste fish fats

Characterization of syngas and bio-char: Co-products from pyrolysis of waste fish fats

Pyrolysis of mangaba seed: Production and characterization of bio-oil

Progress in waste oil to sustainable energy, with emphasis on pyrolysis techniques

Contact Info

Product

Resources

About