International Journal of

ADVANCED AND APPLIED SCIENCES

EISSN: 2313-3724, Print ISSN: 2313-626X

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 Volume 10, Issue 1 (January 2023), Pages: 34-40

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 Original Research Paper

 Agricultural valorization of sludge from the Jerada sewage treatment plant

 Author(s): Btissam Khnaijer *, Anass Qoutbane, Essediya Cherkaoui, Mohamed Khamar, Abderrahman Nounah

 Affiliation(s):

 Civil Engineering and Environment Laboratory (LGCE), High School of Technology, Mohammed V University in Rabat, Rabat, Morocco

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 * Corresponding Author. 

  Corresponding author's ORCID profile: https://orcid.org/0000-0002-5592-9031

 Digital Object Identifier: 

 https://doi.org/10.21833/ijaas.2023.01.005

 Abstract:

The reinforcement of the infrastructure in Morocco is accompanied by the setting up of several wastewater treatment plants which produce on the one hand purified water, but on the other hand, large quantities of sludge, are considered waste. Our work focused first on the physicochemical and bacteriological characterization of the sludge from the Jerada wastewater treatment plant (WWTP), which showed that all the parameters analyzed are more significant than those of other sludge studied, whether Moroccan or foreign. The richness of the residual sludge of the Jerada WWTP in fertilizing elements encourages its use as a soil amendment, germination tests of lentils and watercress were carried out for different percentages of sludge, for lentils, these tests showed that the sludge can be considered as a fertilizer at a concentration of 25%. In comparison with the results of the germination of lentils by olive pomace, the germination rate of the seeds decreases when the concentration of olive pomace increases. Then, a trial of sludge valorization in bean culture was carried out in the laboratory in order to study the impact of sludge amendment on plant growth (Bean), the monitoring of the parameters: Stem size, number of leaves, and leaf area showed that the sowing of bean in different concentrations of sludge and soil leads to a positive effect on bean yield on the three parameters, for concentrations of 5% and 10% sludge.

 © 2022 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

 Keywords: Waste sludge, Wastewater treatment plant, Valorization, Bean, Jerada

 Article History: Received 6 April 2022, Received in revised form 12 July 2022, Accepted 17 September 2022

 Acknowledgment 

No Acknowledgment.

 Compliance with ethical standards

 Conflict of interest: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

 Citation:

 Khnaijer B, Qoutbane A, Cherkaoui E, Khamar M, and Nounah A (2023). Agricultural valorization of sludge from the Jerada sewage treatment plant. International Journal of Advanced and Applied Sciences, 10(1): 34-40

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 Figures

 Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 

 Tables

 Table 1 Table 2 Table 3 Table 4

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