Download Algal Biorefinery: An Integrated Approach by Debabrata Das PDF

By Debabrata Das

This booklet seriously discusses diversified points of algal construction platforms and a number of other of the drawbacks with regards to microalgal biomass creation, particularly, low biomass yield, and energy-consuming harvesting, dewatering, drying and extraction procedures. those offer a history to the state of the art applied sciences for algal cultivation, CO2 sequestration, and large-scale software of those systems.

In order to faucet the industrial power of algae, a biorefinery inspiration has been proposed which may aid to extract greatest advantages from algal biomass. This refinery idea promotes the harvesting of a number of items from the feedstock with a view to make the method economically appealing. For the previous couple of many years, algal biomass has been explored to be used in a variety of items equivalent to gas, agricultural plants, pigments and prescription drugs, in addition to in bioremediation. to satisfy the large call for, there was a spotlight on large-scale construction of algal biomass in closed or open photobioreactors. various dietary stipulations for algal progress were explored, comparable to photoautotrophic, heterotrophic, mixotrophic and oleaginous.

This publication is aimed toward a large viewers, together with undergraduates, postgraduates, lecturers, strength researchers, scientists in undefined, strength experts, coverage makers and others who desire to comprehend algal biorefineries and in addition preserve abreast of the newest developments.

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1999). EPA was abundantly found in Porphyridium purpureum, Phaeodactylum tricornutum, Isochrysis galbana, Nannochloropsis sp. , 1999). The algal biomass may also contain high levels of vitamins such as A, B1, B2, B6, B12, C, E, nioctinate, folic acid, pantothenic acid and β-carotene and minerals (Becker, 2007). Mineral contents of seaweeds (8–40 %) are sufficient to meet recommended dietary allowances on daily basis (Ruperez, 2002). Depositions of minerals are lower in red and green algae as compared to brown algae or pheophytes (Holdt and Kraan, 2011).

Settling characteristics of problem algae in the water treatment process. Water Sc Technol, 53, 113–119. , White, M. and Colosi, A. (2010). Environmental life cycle comparison of algae to other bioenergy feedstocks. Env Sc Technol, 44, 1813–1819.  and Deswarte, F. (2008). Introduction to chemicals from biomass. Wiley Series in Renewable Resources. ISBN978-0-470-05805. V. G. (2011). The role of biochemical engineering in the production of biofuels from microalgae. Bioresour Technol, 102, 2–9. Das, D.

Nutrients can be provided through runoff water from nearby land areas or by channelling the water from sewage/water treatment plants. Technical and biological limitations of these open systems have given rise to the development of enclosed photo bioreactors. A few open systems are presented for which particularly reliable results are available. Emphasis is then put on closed systems, which have been con- 1 Introduction 21 Fig. , 2010). sidered to be capital intensive and are justified only when a fine chemical is to be produced.

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