Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia
A consortium of bacteria capable of decomposing oily hydrocarbons was isolated from tarballs on the beaches of Terengganu, Malaysia, and classified as Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica. The Taguchi design was used to optimize the bi...
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| Format: | Article |
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Iranian Association of Environmental Health
2022
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| Online Access: | http://psasir.upm.edu.my/id/eprint/102558/ |
| _version_ | 1848863829275967488 |
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| author | Nkem, Bruno Martins Halimoon, Normala Md Yusoff, Fatimah Wan Johari, Wan Lutfi |
| author_facet | Nkem, Bruno Martins Halimoon, Normala Md Yusoff, Fatimah Wan Johari, Wan Lutfi |
| author_sort | Nkem, Bruno Martins |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | A consortium of bacteria capable of decomposing oily hydrocarbons was isolated from tarballs on the beaches of Terengganu, Malaysia, and classified as Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica. The Taguchi design was used to optimize the biodegradation of diesel using these bacteria as a consortium. The highest biodegradation of diesel-oil in the experimental tests was 93.6%, and the individual n-alkanes decomposed 87.6—97.6% over 30 days. Optimal settings were inoculum size of 2.5 mL (1.248 OD600nm); 12% (v/v) the initial diesel-oil in a minimal salt medium of pH 7.0, 30.0 gL−1 NaCl and 2.0 gL−1 NH4NO3 concentration, incubated at 42 °C temperature and 150 rpm agitation speed. Parameters significantly improved diesel-oil removal by consortium as shown by the model determination coefficient (R2 = 90.89%; P < 0.001) with a synergistic effect of agitation speed significantly contributing 81.03%. Taguchi design determined the optimal settings for the parameters under study, which significantly improved diesel-oil removal by consortium. This can be used to design a novel bioremediation strategy that can achieve optimal decontamination of oil pollution in a shorter time. |
| first_indexed | 2025-11-15T13:39:08Z |
| format | Article |
| id | upm-102558 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-15T13:39:08Z |
| publishDate | 2022 |
| publisher | Iranian Association of Environmental Health |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-1025582024-03-14T05:01:44Z http://psasir.upm.edu.my/id/eprint/102558/ Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia Nkem, Bruno Martins Halimoon, Normala Md Yusoff, Fatimah Wan Johari, Wan Lutfi A consortium of bacteria capable of decomposing oily hydrocarbons was isolated from tarballs on the beaches of Terengganu, Malaysia, and classified as Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica. The Taguchi design was used to optimize the biodegradation of diesel using these bacteria as a consortium. The highest biodegradation of diesel-oil in the experimental tests was 93.6%, and the individual n-alkanes decomposed 87.6—97.6% over 30 days. Optimal settings were inoculum size of 2.5 mL (1.248 OD600nm); 12% (v/v) the initial diesel-oil in a minimal salt medium of pH 7.0, 30.0 gL−1 NaCl and 2.0 gL−1 NH4NO3 concentration, incubated at 42 °C temperature and 150 rpm agitation speed. Parameters significantly improved diesel-oil removal by consortium as shown by the model determination coefficient (R2 = 90.89%; P < 0.001) with a synergistic effect of agitation speed significantly contributing 81.03%. Taguchi design determined the optimal settings for the parameters under study, which significantly improved diesel-oil removal by consortium. This can be used to design a novel bioremediation strategy that can achieve optimal decontamination of oil pollution in a shorter time. Iranian Association of Environmental Health 2022-07 Article PeerReviewed Nkem, Bruno Martins and Halimoon, Normala and Md Yusoff, Fatimah and Wan Johari, Wan Lutfi (2022) Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia. Journal of Environmental Health Science & Engineering, 20. pp. 729-747. ISSN 2052-336X https://link.springer.com/article/10.1007/s40201-022-00812-3 10.1007/s40201-022-00812-3 |
| spellingShingle | Nkem, Bruno Martins Halimoon, Normala Md Yusoff, Fatimah Wan Johari, Wan Lutfi Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title | Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title_full | Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title_fullStr | Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title_full_unstemmed | Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title_short | Use of Taguchi design for optimization of diesel-oil biodegradation using consortium of Pseudomonas stutzeri, Cellulosimicrobium cellulans, Acinetobacter baumannii and Pseudomonas balearica isolated from tarball in Terengganu Beach, Malaysia |
| title_sort | use of taguchi design for optimization of diesel-oil biodegradation using consortium of pseudomonas stutzeri, cellulosimicrobium cellulans, acinetobacter baumannii and pseudomonas balearica isolated from tarball in terengganu beach, malaysia |
| url | http://psasir.upm.edu.my/id/eprint/102558/ http://psasir.upm.edu.my/id/eprint/102558/ http://psasir.upm.edu.my/id/eprint/102558/ |