Effect of harvesting methods on the energy requirement of Tetraselmis sp. biomass production and biocrude yield and quality
| Autor: | Mohammed AbdulQuadir, Mahmoud Thaher, Hareb Mohammed S.J. Al-Jabri, S. Kent Hoekman, Shoyeb Khan, Probir Das |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
Environmental Engineering Biomass Microalgae harvesting Bioengineering Fraction (chemistry) Large-scale cultivation 010501 environmental sciences 01 natural sciences law.invention chemistry.chemical_compound Chlorophyta law 010608 biotechnology Tetraselmis Waste Management and Disposal Filtration 0105 earth and related environmental sciences Raceway pond biology Renewable Energy Sustainability and the Environment Alum Temperature General Medicine biology.organism_classification Pulp and paper industry Hydrothermal liquefaction chemistry HTL Yield (chemistry) Biocatalysis Biocrude |
| Popis: | A halo-tolerant Tetraselmis sp. was grown in a 100,000 L raceway pond in the Qatari desert environment. As the biomass density reached 0.679 g/L, after 7 days, five different harvesting methods (i.e., cross-flow filtration, electrocoagulation, and coagulation-flocculation by FeCl3, NaOH, and alum) were applied to harvest the biomass. Hydrothermal liquefaction, for all the harvested biomass, was conducted at 350 °C for 30 mins in 10 mL Swagelok unions. The biocrude yield from cross-flow processed biomass (i.e., control) was 50.8%. Biocrude yield from electrocoagulation and alum processed biomass were 62.7% and 60.4% respectively where aluminum could have a catalytic effect. Biocrude yield from FeCl3 and NaOH processed biomass were 42.9% and 19.8% respectively. The total fraction of alkenes and alkanes was higher in the biocrude obtained from alum-harvested biomass, compared to other biocrude samples. However, the transition of metal species from biomass to biocrude was very low in all the biocrudes. The authors would like to acknowledge the support of Qatar National Research Fund (QNRF, a member of Qatar Foundation) for providing the funding (under grant NPRP8-646-2-272 ) for this study. The authors appreciate the assistance of Dr. Ahmad, Mr. Attia, and Mr. Solaiman of Central Laboratory unit (QU) for the sample analyses using CHNS, EDX, and FTIR. The authors also appreciate the assistance of Ms. Noora from Environment Science Center (QU) for biocrude analysis using GC-MS. Appendix A Scopus |
| Databáze: | OpenAIRE |
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