Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design
Purpose: This work was aimed to exploit the technique of design of experiments to evaluate the olive mill waste cake residue obtained after oil extraction while searching for an adequate composition of the initial substrate mixtures (RPM, DMOV, FV and EB for humidification), in addition to validate...
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| Format: | Article |
| Language: | English |
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OICC Press
2023-09-01
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| Series: | International Journal of Recycling of Organic Waste in Agriculture |
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| Online Access: | https://oiccpress.com/international-journal-of-recycling-of-organic-waste-in-agriculture/wp-content/uploads/private/ijrowa.2024.1301.10.pdf?sec=$P$BsToue4Yc.5NTkBGInnggWh6AGJqiQ.&auth=eyJmaWxlIjoiMGYyOGM1ODhlNGRmODM5YmI2ZDQxMzRmZWNjNTJiN2MyMWQ1NThhZiIsInRpbWUiOjE3MjM0NDk2MzAsInBvc3QiOjgwMzksImV4cGlyZXMiOi0xfQ= |
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| author | Imane Mehdaoui Faical El Ouadrhiri Saoudi Hassani El Mokhtar Rachid Mahmoud Mohamed Ben Abbou Amal Lahkimi Mustapha Taleb Zakia Rais |
| author_facet | Imane Mehdaoui Faical El Ouadrhiri Saoudi Hassani El Mokhtar Rachid Mahmoud Mohamed Ben Abbou Amal Lahkimi Mustapha Taleb Zakia Rais |
| author_sort | Imane Mehdaoui |
| collection | DOAJ |
| description | Purpose: This work was aimed to exploit the technique of design of experiments to evaluate the olive mill waste cake
residue obtained after oil extraction while searching for an adequate composition of the initial substrate mixtures (RPM,
DMOV, FV and EB for humidification), in addition to validate it experimentally.
Method: To this end, a mixture design using an efficient experiment methodology was constructed, with the aim of
optimizing three responses of interest: pH, humidity, and organic matter of the 25 formulations.
Results: The optimal composition was comprised of organic and green household waste (56.7%), olive mill waste cake
residues (21.7%) and poultry droppings (21.7%). These analyses were followed by the evolution of some physio-chemical
parameters such as pH, temperature, organic matter, C/N ratio and polyphenols until they are stabilized. In addition, using
spectroscopic analysis, maturation and phytotoxicity tests were carried out on the germinating cress.
Conclusion: The results of this research indicated the achievement of an ideal composition of an adequate mixture that had
the characteristics of an organic amendment, non-phytotoxic and in conformity with the NFU-44-051 that led to mature
compost.
Article Highlights
Valorization of olive mill waste cake residue was achieved after oil extraction by co-composting.
The experimental design method was used to optimize the composition of compost.
The elaborated compost was considered as non-phytotoxic organic amendment. |
| format | Article |
| id | doaj-art-41aa9c58445341cb95342b1724a2226c |
| institution | Kabale University |
| issn | 2195-3228 2251-7715 |
| language | English |
| publishDate | 2023-09-01 |
| publisher | OICC Press |
| record_format | Article |
| series | International Journal of Recycling of Organic Waste in Agriculture |
| spelling | doaj-art-41aa9c58445341cb95342b1724a2226c2025-01-03T01:29:21ZengOICC PressInternational Journal of Recycling of Organic Waste in Agriculture2195-32282251-77152023-09-0113111610.57647/j.ijrowa.2024.1301.10774Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture designImane Mehdaouihttps://orcid.org/0000-0003-3769-992XFaical El Ouadrhiri0https://orcid.org/0000-0000-0000-0000Saoudi Hassani El Mokhtar1https://orcid.org/0000-0000-0000-0000Rachid Mahmoud2https://orcid.org/0000-0000-0000-0000Mohamed Ben Abbouhttps://orcid.org/0000-0000-0000-0000Amal Lahkimi3https://orcid.org/0000-0000-0000-0000Mustapha Taleb4https://orcid.org/0000-0000-0000-0000Zakia Rais5https://orcid.org/0000-0000-0000-0000University Sidi Mohamed Ben AbdellahUniversity Sidi Mohamed Ben AbdellahUniversity Sidi Mohamed Ben AbdellahUniversity Sidi Mohamed Ben AbdellahUniversity Sidi Mohamed Ben AbdellahUniversity Sidi Mohamed Ben AbdellahPurpose: This work was aimed to exploit the technique of design of experiments to evaluate the olive mill waste cake residue obtained after oil extraction while searching for an adequate composition of the initial substrate mixtures (RPM, DMOV, FV and EB for humidification), in addition to validate it experimentally. Method: To this end, a mixture design using an efficient experiment methodology was constructed, with the aim of optimizing three responses of interest: pH, humidity, and organic matter of the 25 formulations. Results: The optimal composition was comprised of organic and green household waste (56.7%), olive mill waste cake residues (21.7%) and poultry droppings (21.7%). These analyses were followed by the evolution of some physio-chemical parameters such as pH, temperature, organic matter, C/N ratio and polyphenols until they are stabilized. In addition, using spectroscopic analysis, maturation and phytotoxicity tests were carried out on the germinating cress. Conclusion: The results of this research indicated the achievement of an ideal composition of an adequate mixture that had the characteristics of an organic amendment, non-phytotoxic and in conformity with the NFU-44-051 that led to mature compost. Article Highlights Valorization of olive mill waste cake residue was achieved after oil extraction by co-composting. The experimental design method was used to optimize the composition of compost. The elaborated compost was considered as non-phytotoxic organic amendment.https://oiccpress.com/international-journal-of-recycling-of-organic-waste-in-agriculture/wp-content/uploads/private/ijrowa.2024.1301.10.pdf?sec=$P$BsToue4Yc.5NTkBGInnggWh6AGJqiQ.&auth=eyJmaWxlIjoiMGYyOGM1ODhlNGRmODM5YmI2ZDQxMzRmZWNjNTJiN2MyMWQ1NThhZiIsInRpbWUiOjE3MjM0NDk2MzAsInBvc3QiOjgwMzksImV4cGlyZXMiOi0xfQ=compostingextraction residuesolive mill wasteoptimal mixture designprediction |
| spellingShingle | Imane Mehdaoui Faical El Ouadrhiri Saoudi Hassani El Mokhtar Rachid Mahmoud Mohamed Ben Abbou Amal Lahkimi Mustapha Taleb Zakia Rais Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design International Journal of Recycling of Organic Waste in Agriculture composting extraction residues olive mill waste optimal mixture design prediction |
| title | Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design |
| title_full | Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design |
| title_fullStr | Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design |
| title_full_unstemmed | Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design |
| title_short | Co-composting of olive mill waste cake residues (OMWC) and other wastes: Prediction and optimization using an optimal mixture design |
| title_sort | co composting of olive mill waste cake residues omwc and other wastes prediction and optimization using an optimal mixture design |
| topic | composting extraction residues olive mill waste optimal mixture design prediction |
| url | https://oiccpress.com/international-journal-of-recycling-of-organic-waste-in-agriculture/wp-content/uploads/private/ijrowa.2024.1301.10.pdf?sec=$P$BsToue4Yc.5NTkBGInnggWh6AGJqiQ.&auth=eyJmaWxlIjoiMGYyOGM1ODhlNGRmODM5YmI2ZDQxMzRmZWNjNTJiN2MyMWQ1NThhZiIsInRpbWUiOjE3MjM0NDk2MzAsInBvc3QiOjgwMzksImV4cGlyZXMiOi0xfQ= |
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