使用海洋细菌作为全细胞生物催化剂优化马杜卡印加油的生物柴油生产:发动机测试和性能分析
S Rahul1, Mohamed Khalid Abdul Azeez2, P Nithyanand3
1Advanced Biorefinery & Catalysis (ABC) Laboratory, Centre for Bioenergy, School of Chemical & Biotechnology, SASTRA Deemed University, Thirumalaisamudram, Thanjavur, Tamil Nadu, India.
Biotechnology for biofuels and bioproducts
|July 18, 2025
概括
海洋细菌有效地使用全细胞生物催化剂从马杜卡印加油生产生物柴油,产量为95.3%. 生物柴油混合物减少了像一氧化碳 (CO) 和碳化合物 (HC) 等有害排放,为化石燃料提供了可持续的替代品.
科学领域:
- 生物技术是生物技术.
- 绿色化学 绿色化学
- 可再生能源可再生能源是可再生能源.
背景情况:
- 全球不断增长的燃料需求需要可持续的能源替代品.
- 微生物过程,特别是脂酶介导的全细胞生物催化剂,为生物柴油生产提供了经济和可持续的途径.
- 全细胞生物催化剂消除了酶净化,利用表达脂酶的微生物细胞进行高效的油转化.
研究的目的:
- 使用海洋细菌Bacillus licheniformis开发一个全细胞生物催化剂,用于从Madhuca indica油生产生物柴油.
- 为了优化反应条件以获得最大的生物柴油产量.
- 与传统柴油相比,评估生物柴油混合物 (MB30,MB50) 的性能和排放特性.
主要方法:
- 利用海洋细菌菌株Bacillus licheniformis作为一个全细胞生物催化剂.
- 优化过化条件,包括甲醇与油的比率 (7.5:1) 和催化剂度 (30%重量),使用响应表面方法 (RSM).
- 与传统柴油相比,生物柴油混合物 (MB30,MB50) 的发动机性能和排放 (CO,HC,烟雾不透明度,N2O) 的评估.
主要成果:
- 在优化条件下达到95.3%的最大生物柴油产量.
- 生物柴油混合物MB30和MB50显著减少了CO2排放量,分别减少了11.71%和27.93%.
- 混合物MB30和MB50分别减少了碳化合物 (HC) 排放 (23.53%和36.47%) 和烟雾不透明度 (3.02%和15.42%),同时增加了氧化 (N2O) 排放.
结论:
- 巴西菌表现出高效的脂解活性,用于从马杜卡印加油中生产可持续的生物柴油.
- 生产的生物柴油具有有利的燃料特性,导致减少CO和颗粒物排放,将其定位为可行的绿色替代品.
- 这项研究开创了海洋细菌作为Madhuca indica生物柴油的全细胞生物催化剂的使用,突出了生物资源对更清洁能源的潜力.
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