Exhaustive study of products obtained from coconut shell pyrolysis

Rout, Tanmya; Pradhan, Debalaxmi; Singh, R. K.; Kumari, Namrata

doi:10.1016/j.jece.2016.02.024

Cited by 146 publications

(58 citation statements)

References 39 publications

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“…On the other hand, 827 and 768 cm -1 peaks were closely correlated with the C-H aromatics group. The similar functional groups were also discovered in the various products of biochar as reported in the literatures [22], [23], [31], [27]. It proved that the biochar has been formed during the pyrolysis process using MAP.…”

Section: Fourier Transform Infrared (Ftir)supporting

confidence: 79%

Methylene Blue Removal Using Coconut Shell Biochar Synthesized Through Microwave-Assisted Pyrolysis

et al. 2020

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Indonesia is the world’s second largest producer of coconut. This at the same time resulted in huge generation of coconut shell waste that need to be properly managed to prevent environmental contamination such as water, air and soil pollution. Current techniques of physical and thermal processing are time and energy consuming. This study reports on the conversion of coconut shell biomass into biochar using microwave-assisted pyrolysis (MAP). The MAP processes were carried out at different microwave power (550-650W) and residence time (15-25 minutes). Two of the highest biochar yields were obtained at 550W with the residence times of 15 minutes (91.31 wt%, termed as S1) and 20 minutes (83.88 wt%, termed as S2), respectively. Both values were higher than biochar yield obtained using conventional pyrolysis process i.e. 30.10 wt%. Both S1 and S2 showed considerable capacity to remove 0.6875 mg.g-1 and 0.5165 mg.g-1 methylene blue which had the initial concentration of 25 mg.L-1. The adsorption efficiencies of S1 and S2 biochars were 55.00% and 41.32%, respectively. Results obtained from the FTIR, FESEM and BET analysis also supported the methylene blue removal properties of both S1 and S2, respectively. As a conclusion, coconut shell showed potential as a useful raw material to produce biochar that can be used for methylene blue removal from solution. Nevertheless, more investigation need to be carried out prior to commercialization venture of the coconut-shell based biochar.

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Section: Fourier Transform Infrared (Ftir)supporting

confidence: 79%

Methylene Blue Removal Using Coconut Shell Biochar Synthesized Through Microwave-Assisted Pyrolysis

et al. 2020

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“…These results indicate that the structure of lignocellulosic charcoal is destroyed [36]. The pyrolysis charcoal sample (Fig.…”

Section: X-ray Diffractogram (Xrd) Analysismentioning

confidence: 83%

Improving Quality and Yield Production of Coconut Shell Charcoal Through a Modified Pyrolysis Reactor with Tar Scrubber to Reduce Smoke Pollution

Sari¹,

Gea²,

Wirjosentono³

et al. 2020

Pol. J. Environ. Stud.

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Nowadays, the increasing of waste produced by humans to the atmosphere and the environment has caused great effect on the environment and human health. Industrial activity is the greatest air polluter [1]. The emission of toxic substances into the environment is vastly spreading, especially from the smoke of the charcoal industry. In the charcoal industry, one of the unsolved problems is smoke pollution resulting from burning charcoal. Smoke is one of the causes of air pollution,

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“…Energies 2020, 13,1970 3 of 14 Figure 1 illustrates the different experimental arrangements for biomass pyrolysis and gasification. The main components include a pyrolysis system, a trapping system for condensable products, a gas feeding system, a system for the measurement of gaseous products, and a liquid decomposition system.…”

Section: Sample Preparationmentioning

confidence: 99%

“…In addition, char yield followed a decreasing trend from approximately 32% to 25.4% when the temperature increased from 400 to 600 °C. [13] Fixed bed Slow 400-600 °C…”

Section: Product Yields Under Operating Variablesmentioning

confidence: 99%

“…Coconut shell accounts for an ordinary biomass waste, which is in enormous proportions in all the tropical regions in Asia, Africa, and Latin America. Coconut shell is an inexpensive resource because it is found in over 90 nations around the world [13]. The coconut shell is produced from oil manufacturing, several agro industrial activities, and different utilizations of coconut.…”

Section: Introductionmentioning

confidence: 99%

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Different Pyrolysis Process Conditions of South Asian Waste Coconut Shell and Characterization of Gas, Bio-Char, and Bio-Oil

Sarkar

Wang

2020

Energies

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In the present study, a series of laboratory experiments were conducted to examine the impact of pyrolysis temperature on the outcome yields of waste coconut shells in a fixed bed reactor under varying conditions of pyrolysis temperature, from 400 to 800 °C. The temperature was increased at a stable heating rate of about 10 °C/min, while keeping the sweeping gas (Ar) flow rate constant at about 100 mL/min. The bio-oil was described by Fourier transform infrared spectroscopy (FTIR) investigations and demonstrated to be an exceptionally oxygenated complex mixture. The resulting bio-chars were characterized by elemental analysis and scanning electron microscopy (SEM). The output of bio-char was diminished pointedly, from 33.6% to 28.6%, when the pyrolysis temperature ranged from 400 to 600 °C, respectively. In addition, the bio-chars were carbonized with the expansion of the pyrolysis temperature. Moreover, the remaining bio-char carbons were improved under a stable structure. Experimental results showed that the highest bio-oil yield was acquired at 600 °C, at about 48.7%. The production of gas increased from 15.4 to 18.3 wt.% as the temperature increased from 400 to 800 °C. Additionally, it was observed that temperature played a vital role on the product yield, as well as having a vital effect on the characteristics of waste coconut shell slow-pyrolysis.

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Exhaustive study of products obtained from coconut shell pyrolysis

Cited by 146 publications

References 39 publications

Methylene Blue Removal Using Coconut Shell Biochar Synthesized Through Microwave-Assisted Pyrolysis

Methylene Blue Removal Using Coconut Shell Biochar Synthesized Through Microwave-Assisted Pyrolysis

Improving Quality and Yield Production of Coconut Shell Charcoal Through a Modified Pyrolysis Reactor with Tar Scrubber to Reduce Smoke Pollution

Different Pyrolysis Process Conditions of South Asian Waste Coconut Shell and Characterization of Gas, Bio-Char, and Bio-Oil

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