Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes

Zaharioiu, Anca; Bucura, Felicia; Ionete, Eusebiu Ilarian; Ionete, Roxana Elena; Ebrasu, Daniela; Sandru, Claudia; Marin, Florian; Oancea, Simona; Niculescu, Violeta; Miricioiu, Marius Gheorghe; Constantinescu, Marius

Anca Zaharioiu, Felicia Bucura, Eusebiu Ilarian Ionete, Roxana Elena Ionete, Daniela Ebrasu, Claudia Sandru, Florian Marin, Simona Oancea, Violeta Niculescu, Marius Gheorghe Miricioiu, Marius Constantinescu

Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes

Abstract:

The study aims to promote clean energy technologies that ensure the recycling and recovery of waste, namely the sewage sludge (SS), by converting it into products (e.g. oil, gas) with added value, contributing thus to reducing the negative impact on environment and health. An experimental setup was proposed in order to achieve the pyrolysis process, by varying the heating rate, (5°C/min, 10°C/min and 50°C/min). The resulted products, namely i) char - SSPyChar, ii) oil - SSPyOil and iii) gas - SSPyGas, were investigated in terms of elemental content, high heat value (HHV), low heat value (LHV) and emission factor (EF). The pyrolysis oils obtained with lower heating rate, 5°C/min and 10 °C/min, presented higher HHV, in comparison with the oils obtained at 50 °C/min, which were rich in water. These oils can have a negative impact on the environment, through their combustion due to their high content of N (6 wt%) and S (1.2 wt%), responsible for the formation of NOx and SOx. Pyrolysis gas revealed in its composition high contents of hydrocarbons (C1-C6), carbon dioxide (CO2) and hydrogen (H2). The highest HHV was obtained by using 5°C/min increment, namely 33.81 MJ/m3. Also, the pyrolysis gases had comparable energy values with natural gas, biogas or gases resulted from the plastic pyrolysis.

Keywords:
gas; heat value; oil; pyrolysis; sewage sludge

Issue: 2020, Volume 71, Issue 10

Pages: 171-181

Publication date: 2020/11/3

https://doi.org/10.37358/RC.20.10.8361

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This article is published under the Creative Commons Attribution 4.0 International License

Citation Styles

Cite this article as:
ZAHARIOIU, A., BUCURA, F., IONETE, E.I., IONETE, R.E., EBRASU, D., SANDRU, C., MARIN, F., OANCEA, S., NICULESCU, V., MIRICIOIU, M.G., CONSTANTINESCU, M., Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes, Rev. Chim., 71(10), 2020, 171-181.

Vancouver
Zaharioiu A, Bucura F, Ionete EI, Ionete RE, Ebrasu D, Sandru C, Marin F, Oancea S, Niculescu V, Miricioiu MG, Constantinescu M. Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes. Rev. Chim.[internet]. 2020 Oct;71(10):171-181. Available from: https://doi.org/10.37358/RC.20.10.8361

APA 6th edition
Zaharioiu, A., Bucura, F., Ionete, E.I., Ionete, R.E., Ebrasu, D., Sandru, C.,... Constantinescu, M. (2020). Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes. Revista de Chimie, 71(10), 171-181. https://doi.org/10.37358/RC.20.10.8361

Harvard
Zaharioiu, A., Bucura, F., Ionete, E.I., Ionete, R.E., Ebrasu, D., Sandru, C., Marin, F., Oancea, S., Niculescu, V., Miricioiu, M.G., Constantinescu, M. (2020). 'Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes', Revista de Chimie, 71(10), pp. 171-181. https://doi.org/10.37358/RC.20.10.8361

IEEE
A. Zaharioiu, F. Bucura, E.I. Ionete, R.E. Ionete, D. Ebrasu, C. Sandru, F. Marin, S. Oancea, V. Niculescu, M.G. Miricioiu, M. Constantinescu, "Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes". Revista de Chimie, vol. 71, no. 10, pp. 171-181, 2020. [online]. https://doi.org/10.37358/RC.20.10.8361

Text
Anca Zaharioiu, Felicia Bucura, Eusebiu Ilarian Ionete, Roxana Elena Ionete, Daniela Ebrasu, Claudia Sandru, Florian Marin, Simona Oancea, Violeta Niculescu, Marius Gheorghe Miricioiu, Marius Constantinescu,
Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes,
Revista de Chimie,
Volume 71, Issue 10,
2020,
Pages 171-181,
ISSN 2668-8212,
https://doi.org/10.37358/RC.20.10.8361.
(https://revistadechimie.ro/Articles.asp?ID=8361)
Keywords: gas; heat value; oil; pyrolysis; sewage sludge

RIS
TY - JOUR
T1 - Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes
A1 - Zaharioiu, Anca
A2 - Bucura, Felicia
A3 - Ionete, Eusebiu Ilarian
A4 - Ionete, Roxana Elena
A5 - Ebrasu, Daniela
A6 - Sandru, Claudia
A7 - Marin, Florian
A8 - Oancea, Simona
A9 - Niculescu, Violeta
A10 - Miricioiu, Marius Gheorghe
A11 - Constantinescu, Marius
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2020
VL - 71
IS - 10
SP - 171
EP - 181
UR - https://doi.org/10.37358/RC.20.10.8361
KW - gas
KW - heat value
KW - oil
KW - pyrolysis
KW - sewage sludge
ER -

BibTex
@article{RevCh2020P171,
author = {Zaharioiu Anca and Bucura Felicia and Ionete Eusebiu Ilarian and Ionete Roxana Elena and Ebrasu Daniela and Sandru Claudia and Marin Florian and Oancea Simona and Niculescu Violeta and Miricioiu Marius Gheorghe and Constantinescu Marius},
title = {Thermochemical Decomposition of Sewage Sludge - An Eco-Friendly Solution for a Sustainable Energy Future by Using Wastes},
journal = {Revista de Chimie},
volume = {71},
number = {10},
pages = {171-181},
year = {2020},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.20.10.8361},
url = {https://revistadechimie.ro/Articles.asp?ID=8361}
}

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