Conversion of Spent Tea Waste for Solid Carbon Fuel via Hydrothermal Carbonization Process

Articles in Press

Document Type : Research Paper

Author

Baghdad

Abstract

The aim of this research was to study effect hydrothermal carbonization (HTC) process parameters like reaction temperature and residence time of the hydrochar produced via conversion of spent waste tea (SWT), at that time rid the environment of the pollutant SWT, then solid carbon fuel production by using HTC process. The preparation process was done through dried SWT at 105°C for 24 h to ensure the drying stage. At the range of temperatures, the SWT feed amount was 5 g, 2 MPa N2 pressure, with a fixed residence time of 45 min, and a range of temperatures of 150, 175, and 200°C, respectively. At the range of residence times the SWT, 2 MPa N2 pressure, with a fixed temperature at 200°C best temperature it was found in the previous run, and the range of the residence time at 30, 45, and 60 min, respectively. The characterization process was carried out via physical properties, high heating value (HHV), proximate and ultimate analysis, energy recovery (ER), and energy yield (EY). The results showed that the SWT reached carbon contents and the highest HHV. The conversion of SWT by the HTC process could be used as a solid carbon fuel for energy generation and to rid the environment of pollutant materials.

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Journal of Chemical and Petroleum Engineering

Articles in Press, Accepted Manuscript
Available Online from 10 March 2025

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History

  • Receive Date: 02 November 2024
  • Revise Date: 06 March 2025
  • Accept Date: 10 December 2024

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