By Bhaskar Singh, Kuldeep Bauddh, Faizal Bux
This e-book provides the dynamic function of algae in a sustainable atmosphere. significant points, particularly bioenergy and bioremediation, were elaborated in a variety of bankruptcy contributed by way of scientists and academics from various geographical components in the course of the international. Algal biofuels is an rising quarter of equivalent curiosity to researchers, industries, and coverage makers operating or targeting substitute (i.e. renewable) fuels. Algae were a space of curiosity as a result of their wide selection of functions. during the last five many years, eukaryotic algae were utilized in the aquaculture as feed for invertebrates, supplying 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 construction. utilizing algae as feedstock has the benefits that it doesn’t require arable land and that wastewater can be utilized as a resource of nutrition of their tradition. The multifunctional method of algae contains toxins remediation, carbon sequestration, biofuels creation, and supply of value-added items. besides the fact that, there are nonetheless a few hindrances that must be triumph over to make their use as strength feedstock for biofuels techno-economically possible. as a way to hold the sustainability point of
algal biofuels, a variety of points need to be studied and significantly analyzed to evaluate the long term sustainability of algal derived biofuels.
This booklet discusses the position of algae as a promising destiny feedstock for biofuels. they're identified to sequester carbon in a lot greater quantities than vegetation and as such the e-book additionally describes their phycoremediation power for traditional in addition to rising contaminants. It describes the position of anaerobic digestion in algal biorefineries; bioreactions and technique parameters; biogas restoration and reuse. The position of algal biofilm established expertise in wastewater therapy and reworking waste into bio-products is mentioned, and remediation of sewage water via algae is classified. The booklet additionally describes the construction of biohydrogen, bio-oil, biodiesel; and the main bottlenecks of their utilization. The rising characterization concepts of those biofuels (bio-oil and biodiesel) are defined, as are the decolorizing power of algae and the genetic engineering recommendations which may improve the creation of lipids in algae. different points of the booklet comprise the position of distant sensing know-how within the tracking of algae and a lifestyles cycle overview of algal biofuels.
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Additional info for Algae and Environmental Sustainability
And Gracilaria sp. were investigated for their biosorption performance in the removal of lead, copper, cadmium, zinc and nickel from dilute aqueous solutions. 5 for cadmium, zinc and nickel (Sheng et al. 2004). There is also a great variability in optimum pH for sorption of a particular metal ion by different algal species. For example, the optimum pH for sorption of Cu by cyanobacteria (Microcystis aeruginosa and Spirulina platensis) is far greater than that for Cu sorption by green algae (Cladophora prolifera, Chlorella vulgaris, C.
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.
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.