In situ transesterification and catalytic cracking of ...
Transcript of In situ transesterification and catalytic cracking of ...
![Page 1: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/1.jpg)
In situ transesterification of microalgae
S Velasquez-Orta, J Lee, A Harvey
PIN Meeting
21/05/2013
![Page 2: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/2.jpg)
FAME production using in situ transesterification
Conventional transesterification In situ transesterification
Oil extraction
Transesterification
Purification
Oil extraction and transesterification
Purification
catalyst solvent
solvent catalyst
![Page 3: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/3.jpg)
Objectives
• Evaluate the relative moisture that can be used during in situ transesterification of Nannochloropsis o. and Chlorella v.
• Analyse the cell structure before and after transesterification
• Obtain the maximum FAME production from algae strains
![Page 4: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/4.jpg)
Methods
• In situ transesterification methodology
Peter Batty, 2012
![Page 5: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/5.jpg)
Results: effect of moisture content Highest recoveries were obtained when using sulphuric acid as catalyst Recoveries were different for Nannochloropsis vs sulphuric acid
![Page 6: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/6.jpg)
Results: change in microalgae diameter
![Page 7: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/7.jpg)
Highest yield of FAME obtained FAME yield values obtained were 92±2% when using Chlorella sp. and 73± 5%
when using Nannochloropsis oculata.
![Page 8: In situ transesterification and catalytic cracking of ...](https://reader033.fdocuments.us/reader033/viewer/2022041609/62531267514baa00c2754c45/html5/thumbnails/8.jpg)
Acknowledgements: Miss Elinor Shilling, Dr Thea Coward
http://www.sciencedirect.com/science/article/pii/S136
9703X13000983
Thank you!