By Navid R. Moheimani, Mark P. McHenry, Karne de Boer, Parisa A. Bahri
This entire e-book information the newest advances within the microalgae organic sciences and engineering applied sciences for biomass and biofuel construction which will meet the continuing desire for brand new and reasonable assets of foodstuff, chemical substances and effort for destiny generations. The chapters discover new microalgae cultivation thoughts, together with good (biofilm) platforms, and heterotrophic creation equipment, whereas additionally significantly investigating issues reminiscent of combining wastewater as a resource of nutrition, the influence of CO2 on progress, and changing biomass to methane via anaerobic digestion. The publication highlights leading edge bioproduct optimization and molecular genetic suggestions, functions of genomics and metabolomics, and the genetic engineering of microalgae traces concentrating on biocrude creation. the newest advancements in microalgae harvesting and dewatering applied sciences, which mix biomass construction with electrical energy iteration, are awarded, besides targeted techno-economic modeling. This wide quantity used to be written by way of revered specialists of their fields and is meant for a large viewers of researchers and engineers.
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Extra info for Biomass and Biofuels from Microalgae: Advances in Engineering and Biology
Vulgaris cells in sodium alginate placed inside a cathode chamber of the fuel cell. The aim was to achieve a complete process that combines biomass production, electricity generation, and wastewater treatment all at the same time. 1 %. 8 Conclusions and Future Directions immobilization of cells brings several advantages over current suspension bioprocessing, such as (1) providing flexibility to the photobioreactor designs; (2) increasing reaction rates arising from higher cell density; (3) enhancing operational stability; (4) avoiding cell washouts; (5) facilitating cultivation and easy harvesting of microorganisms; (6) minimizing the volume of growth medium as the immobilized cellular matter occupies less space; (7) easier handling of the products; (8) permitting the easy replacement of the algae at any stage of the experiment; (9) protecting the cell cultures from the harsh environmental conditions such as salinity, metal toxicity, variations in pH, and any product inhibition; and (10) allowing continuous utilization of algae in a non-destructive way.
Bioresource Technol 101(6):1611–1627 40 E. Eroglu et al. de-Bashan LE, Bashan Y, Moreno M, Lebsky VK, Bustillos JJ (2002a) Increased pigment and lipid content, lipid variety, and cell and population size of the microalgae Chlorella spp. when co-immobilized in alginate beads with the microalgae-growth-promoting bacterium Azospirillum brasilense. Can J Microbiol 48(6):514–521 de-Bashan LE, Moreno M, Hernandez J-P, Bashan Y (2002b) Removal of ammonium and phosphorus ions from synthetic wastewater by the microalgae Chlorella vulgaris coimmobilized in alginate beads with the microalgae growth-promoting bacterium Azospirillum brasilense.
Increased nutrient removal efﬁciencies with immobilized algae are usually related, with the dual effect of the enhanced photosynthetic rate of the cells and the ionic exchange between the nutrient ions and the immobilization matrix. Gels which are anionic in nature, such as carrageenan, are usually associated with the adsorption of cations (such as ammonium (NH4+)), while cationic gels such as chitosan yield adsorption of anions (phosphate (PO−3 4 ), nitrate (NO3−), nitrite (NO2−)) with higher efﬁciencies (Mallick and Rai 1994).