The optimization of heating temperature for carbon extraction from peat soil

Fahrulrazi Md Jamien, Zaidi Embong, Saiful Azhar Ahmad Tajudin, Salawati Ahmad, Mohamad Azwani Shah Mat Lazim

Research output: Contribution to journalConference article

Abstract

This study aims to find the optimised heating temperature for carbon extraction from peat soil. Ccarbon from peat soil was extracted by the pyrolisation process at temperature, T = 200, 300, 400, 500, 600 and 700°C for 5 hours. The carbon, C and silica, Si content extracted from peat soil at various heating temperatures were measured by using an Energy Dispersive X-Ray analyzer (EDX) at 3 points on the sample surface. High atomic percentage of carbon (95.44 %) was measured at T = 400°C, while the highest atomic percentage of silicon was recorded at T = 700°C (30.79 %). The surface morphology of peat soil was analysed using Scanning Electron Microscope (SEM) at 800 magnifying power, and it was clearly seen that peat fragments were pyrolised at high heating temperature with pores enhancement. The molecular structure parameter of the extracted carbon were identified using Laser Raman analysis. The peak positions of D-band and G-band for raw peat soil were observed at Raman shift of 1379.62 and 1549.02 cm-1, respectively. Meanwhile, the D-band for peat soil heated at temperature of 400°C was 1391.56 cm-1 whereas the G-band has peak position at 1562.16 cm-1. From the Raman spectra of the optimum heating temperature at 400°C, it was revealed that the carbon molecular structure from the peat soil is mainly attributed by graphite and diamond structure.

Original languageEnglish
Article number012019
JournalIOP Conference Series: Materials Science and Engineering
Volume298
Issue number1
DOIs
Publication statusPublished - 12 Feb 2018
EventInternational Nuclear Science, Technology and Engineering Conference 2017, iNuSTEC 2017 - Kajang, Selangor, Malaysia
Duration: 25 Sep 201727 Sep 2017

Fingerprint

Peat
Carbon
Soils
Heating
Temperature
Molecular structure
Diamond
Graphite
Silicon
Silicon Dioxide
Surface morphology
Raman scattering
Diamonds
Electron microscopes
Silica
Scanning
X rays
Lasers

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

The optimization of heating temperature for carbon extraction from peat soil. / Jamien, Fahrulrazi Md; Embong, Zaidi; Ahmad Tajudin, Saiful Azhar; Ahmad, Salawati; Mat Lazim, Mohamad Azwani Shah.

In: IOP Conference Series: Materials Science and Engineering, Vol. 298, No. 1, 012019, 12.02.2018.

Research output: Contribution to journalConference article

Jamien, Fahrulrazi Md ; Embong, Zaidi ; Ahmad Tajudin, Saiful Azhar ; Ahmad, Salawati ; Mat Lazim, Mohamad Azwani Shah. / The optimization of heating temperature for carbon extraction from peat soil. In: IOP Conference Series: Materials Science and Engineering. 2018 ; Vol. 298, No. 1.
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abstract = "This study aims to find the optimised heating temperature for carbon extraction from peat soil. Ccarbon from peat soil was extracted by the pyrolisation process at temperature, T = 200, 300, 400, 500, 600 and 700°C for 5 hours. The carbon, C and silica, Si content extracted from peat soil at various heating temperatures were measured by using an Energy Dispersive X-Ray analyzer (EDX) at 3 points on the sample surface. High atomic percentage of carbon (95.44 {\%}) was measured at T = 400°C, while the highest atomic percentage of silicon was recorded at T = 700°C (30.79 {\%}). The surface morphology of peat soil was analysed using Scanning Electron Microscope (SEM) at 800 magnifying power, and it was clearly seen that peat fragments were pyrolised at high heating temperature with pores enhancement. The molecular structure parameter of the extracted carbon were identified using Laser Raman analysis. The peak positions of D-band and G-band for raw peat soil were observed at Raman shift of 1379.62 and 1549.02 cm-1, respectively. Meanwhile, the D-band for peat soil heated at temperature of 400°C was 1391.56 cm-1 whereas the G-band has peak position at 1562.16 cm-1. From the Raman spectra of the optimum heating temperature at 400°C, it was revealed that the carbon molecular structure from the peat soil is mainly attributed by graphite and diamond structure.",
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