By Debabrata Das
This e-book significantly discusses diversified features of algal creation structures and several other of the drawbacks relating to microalgal biomass construction, particularly, low biomass yield, and energy-consuming harvesting, dewatering, drying and extraction techniques. those supply a historical past to the cutting-edge applied sciences for algal cultivation, CO2 sequestration, and large-scale software of those systems.
In order to faucet the economic capability of algae, a biorefinery idea has been proposed which can aid to extract greatest advantages from algal biomass. This refinery suggestion promotes the harvesting of a number of items from the feedstock so one can make the method economically beautiful. For the previous few many years, algal biomass has been explored to be used in a number of items akin to gas, agricultural plants, pigments and prescribed drugs, in addition to in bioremediation. to fulfill the large call for, there was a spotlight on large-scale creation of algal biomass in closed or open photobioreactors. varied dietary stipulations for algal development were explored, corresponding to photoautotrophic, heterotrophic, mixotrophic and oleaginous.
This publication is aimed toward a large viewers, together with undergraduates, postgraduates, teachers, strength researchers, scientists in undefined, strength experts, coverage makers and others who desire to comprehend algal biorefineries and likewise maintain abreast of the newest developments.
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Extra info for Algal Biorefinery: An Integrated Approach
2. 69 Reference Benemann and Oswald (1996) Davis et al. (2011) Delrue et al. (2012) 1 Introduction 27 tion to high biomass yields (Gallagher, 2011). Algal biomass production is a technically feasible as well as environment friendly process. , 2010). Taxation on high carbon emitting industries may significantly decrease the costs incurred for CO2 supply (Gallagher, 2011). 9 × 10 −3 × Cpetroleum (per L) The cost of crude oil would have to exceed $100 per barrel to make a high return scenario plausible.
5 Utilization of algal biomass for biohydrogen and biodiesel production. of oil from algae is over 200 times the yield from the best-performing plant/vegetable oils (Chisti, 2007). Large-scale production of microalgal biomass generally uses continuous culture during daylight. , 1999). , 1999). As much as 25 % of the biomass produced during daylight may be lost during the night due to respiration. The extent of this loss depends on the light level under which the biomass was grown, the growth temperature, and the temperature at night (Chisti, 2007).
2010). Taxation on high carbon emitting industries may significantly decrease the costs incurred for CO2 supply (Gallagher, 2011). 9 × 10 −3 × Cpetroleum (per L) The cost of crude oil would have to exceed $100 per barrel to make a high return scenario plausible. Despite many economists feel that this is unlikely to occur in the near-term period (3–5 years) due to present economic conditions and the low global demand for oil, the geologists and petroleum engineers are predicting that global oil production rates will soon peak and then begin to decline, resulting in a steady increase in oil prices (Gallagher, 2011).
Algal Biorefinery: An Integrated Approach by Debabrata Das