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パーム油排水処理過程の細菌および古細菌群集構造変化と生物学的指標菌の特定
https://doi.org/10.18997/00007351
https://doi.org/10.18997/00007351226bf6b5-a5ce-4af8-aefc-8bb6a7316fb8
名前 / ファイル | ライセンス | アクション |
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sei_k_350.pdf (1.9 MB)
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Item type | 学位論文 = Thesis or Dissertation(1) | |||||||
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公開日 | 2019-08-28 | |||||||
資源タイプ | ||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||
資源タイプ | doctoral thesis | |||||||
タイトル | ||||||||
言語 | en | |||||||
タイトル | Bacterial and methanogenic archaeal community changes during the treatment of palm oil mill effluent and biological indicators for final discharge | |||||||
タイトル | ||||||||
言語 | ja | |||||||
タイトル | パーム油排水処理過程の細菌および古細菌群集構造変化と生物学的指標菌の特定 | |||||||
言語 | ||||||||
言語 | eng | |||||||
著者 |
Diana Mohd Nor
× Diana Mohd Nor
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抄録 | ||||||||
内容記述タイプ | Abstract | |||||||
内容記述 | The sustainable practice in the palm oil industry which supplies the most demanded edible oil in the world, has a long way to be well developed. One of the most challenging problems is the management of wastewater generated from the oil palm processing, known as palm oil mill effluent (POME). The most popular treatment method applied to treat POME in the palm oil mills is anaerobic ponding system. Bioconversion of POME to generate methane gas via anaerobic digestion involves a consortium of microbes which are responsible in several steps of the biodegradation process. However, the biodegradation potential of the microorganisms in the full-scale treatment system in the palm oil mill is yet to be explored. POME is also known to have the adverse environmental effects if it is not properly treated, including contamination of land and aquatic ecosystem and the loss of biodiversity. A proper treatment is needed to ensure POME can be discharged into the nearby river water or land according to the requirement set by the authority. However, the current monitoring system using physicochemical characterisation is not sensitive enough to indicate the actual source of contamination in the water bodies. In general, a detailed evaluation of the compositions of the bacterial communities in the POME final discharges obtained from four different palm oil mills and composition of bacterial community during the anaerobic treatment of POME were elucidated in this study using PCR-denaturing gradient gel electrophoresis (DGGE) and high- throughput MiSeq approaches, aided by advanced bioinformatics analysis in analysing the bacterial community structures. The correlation relationships were also carried out which allow deeper understanding of the interactions between the shift of bacterial community compositions and the changes of physicochemical properties of POME, including pH, temperature, biochemical oxygen demand (BOD5) and chemical oxygen demand (COD). The compounds analyses were also done to correlate the biodegradation potential of bacteria during the treatment of POME. Furthermore, in order to elucidate the biodegradation potential of microorganisms in the POME treatment, a thorough analysis of bacterial and archaeal communities in different stages of POME treatment was carried out which comprised of anaerobic, facultative anaerobic and aerobic processes, including the mixed raw effluent (MRE), mixing pond, holding tank and final discharge phases. The bacterial and archaeal communities were shown to be shifted according to their biodegradation potential and the changes of physicochemical properties of POME. Based on the data obtained, the following biodegradation processes were suggested to take place in the different treatment stages: (1) Lactobacillaceae (35.9%) dominated the first stage that contributed to high lactic acid production; (2) higher population of Clostridiaceae in the mixing pond (47.7%) and Prevotellaceae in the holding tank (49.7%) contributed to the higher acetic acid production; (3) the aceticlastic methanogen Methanosaetaceae (0.6?0.8%) played a role in acetic acid degradation in the open digester and closed reactor for methane generation; (4) Syntrophomonas (21.5?29.2%) might be involved in fatty acids and acetic acid degradations by syntrophic cooperation with hydrogenotrophic methanogen, Methanobacteriaceae (0.6?1.3%); (5) phenols and alcohols detected in the early phases but not in the final discharge indicated the successful degradation of lignocellulosic materials. A sustainable palm oil industry could be developed with better POME pollution management by adopting a reliable and accurate monitoring system. To our knowledge, this is the first study reported on the biodegradation mechanisms involved in the different stages of the full-scale treatment of POME. | |||||||
言語 | en | |||||||
目次 | ||||||||
内容記述タイプ | TableOfContents | |||||||
内容記述 | 1 Introduction||2 Literature Review||3 General Materials and Methods||4 Bacterial Composition and Diversity Assessment in Palm Oil Mill Effluent Final Discharge Treated by Different Biotreatment Processes for The Determination of Bioindicators||5 Shift of Bacterial and Methanogenic Archaeal Populations in The Different Stages During the Treatment of Palm Oil Mill Effluent||6 Conclusions and Recommendations for Future Studies | |||||||
備考 | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | 九州工業大学博士学位論文 学位記番号:生工博甲第350号 学位授与年月日:令和元年6月28日 | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Bacterial community | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Palm oil mill effluent | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Bioindicator | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Methanogenic archaeal | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Wastewater treatment | |||||||
アドバイザー | ||||||||
前田, 憲成 | ||||||||
学位授与番号 | ||||||||
学位授与番号 | 甲第350号 | |||||||
学位名 | ||||||||
学位名 | 博士(工学) | |||||||
学位授与年月日 | ||||||||
学位授与年月日 | 2019-06-28 | |||||||
学位授与機関 | ||||||||
学位授与機関識別子Scheme | kakenhi | |||||||
学位授与機関識別子 | 17104 | |||||||
学位授与機関名 | 九州工業大学 | |||||||
学位授与年度 | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | 令和元年度 | |||||||
出版タイプ | ||||||||
出版タイプ | VoR | |||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
アクセス権 | ||||||||
アクセス権 | open access | |||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||
ID登録 | ||||||||
ID登録 | 10.18997/00007351 | |||||||
ID登録タイプ | JaLC | |||||||
著者別名 | ||||||||
姓名 | Diana Binti Mohd Nor | |||||||
言語 | en |