Microwave-synthesised hydrothermal co-pyrolysis of oil palm empty fruit bunch with plastic wastes from Nigeria

Bello Salman, Saifuddin M. Nomanbhay, Arshad Adam Salema

Research output: Contribution to journalArticle

Abstract

Microwave-assisted hydrothermal co-pyrolysis of biomass (oil palm empty fruit bunch) and plastic waste from sachet-water (widely available in Nigeria) was studied to improve the yield and quality of bio-oil. The experiment was carried out in a customised microwave system under a maximum microwave power of 300 W, using a coconut shell-based susceptor. Further, the hydrothermal process was optimised using Box–Behnken design. The optimum conditions at which the highest bio-oil yield (66.7 wt%) was obtained were determined to be a temperature of about 380 °C, a sachet-water plastic ratio of 49 wt%, and a carrier gas flow rate of 1500 mL/min. Major chemical compounds found (by gas chromatography–mass spectrometry) in the aqueous phase of the bio-oil were alkane (decane), 3.7% and phenol, 84.9% with methoxyphenyl, 2.5% and ethanone, 8.9%. Aliphatic hydrocarbons (22.7%), monoaromatic (15.3%) and polycyclic (9.16%) aromatic hydrocarbons, linear oxygenates (2.1%), furan derivatives (2.3%), phenol derivatives (15.84%) and other compounds such as derivatives of cyclopentanones and pyran were found in the organic phase of the bio-oil which constituted 39.7% of the bio-oil fraction. Aqueous pre-treatment of the sample with deionised water under microwaves enhanced selectivity and produced bio-oil with optimum phenolic compounds (84.9%) in the aqueous bio-oil.

Original languageEnglish
JournalBiofuels
DOIs
Publication statusPublished - 01 Jan 2019

Fingerprint

plastic waste
Palm oil
Fruits
pyrolysis
Pyrolysis
fruit
Microwaves
Plastics
oil
Derivatives
Phenols
phenol
Chemical compounds
Deionized water
Polycyclic aromatic hydrocarbons
aliphatic hydrocarbon
Oils
microwave
furan
chemical compound

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

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title = "Microwave-synthesised hydrothermal co-pyrolysis of oil palm empty fruit bunch with plastic wastes from Nigeria",
abstract = "Microwave-assisted hydrothermal co-pyrolysis of biomass (oil palm empty fruit bunch) and plastic waste from sachet-water (widely available in Nigeria) was studied to improve the yield and quality of bio-oil. The experiment was carried out in a customised microwave system under a maximum microwave power of 300 W, using a coconut shell-based susceptor. Further, the hydrothermal process was optimised using Box–Behnken design. The optimum conditions at which the highest bio-oil yield (66.7 wt{\%}) was obtained were determined to be a temperature of about 380 °C, a sachet-water plastic ratio of 49 wt{\%}, and a carrier gas flow rate of 1500 mL/min. Major chemical compounds found (by gas chromatography–mass spectrometry) in the aqueous phase of the bio-oil were alkane (decane), 3.7{\%} and phenol, 84.9{\%} with methoxyphenyl, 2.5{\%} and ethanone, 8.9{\%}. Aliphatic hydrocarbons (22.7{\%}), monoaromatic (15.3{\%}) and polycyclic (9.16{\%}) aromatic hydrocarbons, linear oxygenates (2.1{\%}), furan derivatives (2.3{\%}), phenol derivatives (15.84{\%}) and other compounds such as derivatives of cyclopentanones and pyran were found in the organic phase of the bio-oil which constituted 39.7{\%} of the bio-oil fraction. Aqueous pre-treatment of the sample with deionised water under microwaves enhanced selectivity and produced bio-oil with optimum phenolic compounds (84.9{\%}) in the aqueous bio-oil.",
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Microwave-synthesised hydrothermal co-pyrolysis of oil palm empty fruit bunch with plastic wastes from Nigeria. / Salman, Bello; M. Nomanbhay, Saifuddin; Salema, Arshad Adam.

In: Biofuels, 01.01.2019.

Research output: Contribution to journalArticle

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