By Bhaskar Singh, Kuldeep Bauddh, Faizal Bux
This ebook provides the dynamic position of algae in a sustainable atmosphere. significant facets, particularly bioenergy and bioremediation, were elaborated in a number of bankruptcy contributed through scientists and lecturers from varied geographical parts during the international. Algal biofuels is an rising sector of equivalent curiosity to researchers, industries, and coverage makers operating or concentrating on substitute (i.e. renewable) fuels. Algae were a space of curiosity as a result of their wide variety of purposes. during the last five a long time, eukaryotic algae were utilized in the aquaculture as feed for invertebrates, offering a wealthy resource of antioxidants, nutritional fiber, minerals and protein. extra lately, there was a spotlight at the use of algal biomass within the improvement of other fuels. The extraction of oil from algae has been broadly explored as a way more conceivable feedstock than plant-based oils in large-scale gas creation. utilizing algae as feedstock has the benefits that it doesn’t require arable land and that wastewater can be utilized as a resource of foodstuff of their tradition. The multifunctional process of algae contains pollutants remediation, carbon sequestration, biofuels construction, and supply of value-added items. despite the fact that, there are nonetheless a few stumbling blocks that must be conquer to make their use as capability feedstock for biofuels techno-economically possible. in an effort to retain the sustainability point of
algal biofuels, a number of features need to be studied and seriously analyzed to evaluate the long term sustainability of algal derived biofuels.
This e-book discusses the position of algae as a promising destiny feedstock for biofuels. they're identified to sequester carbon in a lot higher quantities than vegetation and as such the ebook additionally describes their phycoremediation power for traditional in addition to rising contaminants. It describes the function of anaerobic digestion in algal biorefineries; bioreactions and method parameters; biogas restoration and reuse. The function of algal biofilm established expertise in wastewater therapy and reworking waste into bio-products is mentioned, and remediation of sewage water via algae is classed. The ebook additionally describes the creation of biohydrogen, bio-oil, biodiesel; and the foremost bottlenecks of their utilization. The rising characterization strategies of those biofuels (bio-oil and biodiesel) are defined, as are the decolorizing strength of algae and the genetic engineering recommendations which can improve the construction of lipids in algae. different facets of the booklet contain the position of distant sensing expertise within the tracking of algae and a lifestyles cycle evaluation of algal biofuels.
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Additional resources for Algae and Environmental Sustainability
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Lyngbya and Gloeocapsa Gloeocapsa sp. Spirulina platensis and Aphanothece flocculosa Gloeothece sp. strain PCC 6909 Hapalosiphon welwitschii Nägel Oscillatoria sp. NTMS01 and Phormidium sp. NTMS02 Sargassum wightii and Caulerpa racemosa Nostoc muscorum Metal removed Cu Cd Cu, Ni, Cr (VI) Description of metal-rich surrounding Metal solution Aqueous solution Aqueous solution References Singh and Yadava (1986) Inthorn et al. (1996) Dönmez et al. (1999) Cu and Cd Zn and Cd Cu and Ni Trace element Cr and Ni Cu, Pb, Co and Mn Multimetal solution Sewage water Single and binary metal solution Copper smelter and refinery effluent Free-cell condition Sewage and industrial wastewater Prasad and Pandey (2000) El-Enany and Issa (2000) Mallick (2003) Chojnacka et al.
11 • They are economically more viable and an eco-friendly tool. • They are capable of not only photosynthesis but also fix up atmospheric nitrogen, and they can survive better under the nutrient-limited conditions. • Microalgae cultures can be cultivated in open ponds or in large-scale water reservoirs. At the same time, the algal growth under laboratory conditions provides reliable and consistent supply of biomass. • They have regenerative and metal recovery potentiality. • They generate lesser volume of chemical and/or biological sludge to be disposed off.