Moreover, the method to be adopted for a par- ticular sample will therefore depend on other factors such as detection range, costs, sample throughput, health and safety considerations, inter alia. Auto-flocculation could be the lowest-cost, lowest-energy dewatering process by far, at one tenth those of membrane filtration and polymer- based dewatering. Table of Contents Introduction Taurai Mutanda The Biology of Microalgae Ranganathan Rajkumar and Zahira Yaakob Strain Selection for Biodiesel Production Subburamu Karthikeyan Enumeration of Microalgal Cells Taurai Mutanda and Faizal Bux Microalgal Cultivation Reactor Systems Melinda J. Chlorella, Arthrospira, and Nostoc are cultivated worldwide for human and animal nutrition, owing to their chemical composition Spolaore et al. However, due to the small size of the microalgal cells, most methods are not very accurate. The most common methods used for the oil extracted from algae biomass are mechanical press, solvent extraction, and supercritical fluid extraction.
Studies on food value of nineteen genera of algae to juvenile bivalves of the genera Ostrea, Crassostrea, Mercenaria and Mytilus. Methods for microflagellates and nannoplankton. Interactions among various low molecular weight cryoprotectants. Commercial production of microalgae: Ponds, tanks, and fermenters. The book provides a detailed discussion of microalgal strain selection for biodiesel production, a key factor in successful microalgal cultivation and generation of desired biofuel products. One major drawback of spectrophotometric analysis is that culture conditions greatly affect chlorophyll content, which in turn determines absorbance.
Isolation of new nanoplanktonic diatom strains and their evaluation as diets for juvenile Pacific oysters Crassostrea gigas. Fluorescent measurement of microalgal neutral lipids. The characteristic of Nannochloropsis oculata are described using an integrated biorefinery approach based on palm oil milling as a model system. The use of a fluorescent dye, Nile Red, to evaluate the lipid content of single mammalian oocytes. Effect of photobioreactor inclination on the biomass produc- tivity of an outdoor algal culture.
The accuracy of enumerating microalgal cells displaying colonial growth is hindered if there is no uniformity in the number of cells per colony. Globally, much attention is currently focused on overcoming these hurdles to improve the techno-economics and make algal bio- diesel a fuel for tomorrow. Iranian Journal of Public Health , 36: 57-64. The series also discusses new discoveries and applications. It gives an analysis of microalgal biology, ecology, biotechnology, and biofuel production capacity as well as a thorough discussion on the value added products that can be generated from diverse microalgae. Sharma Analysis of Microalgal Biorefineries for Bioenergy from an Environmental and Economic Perspective Focus on Algal Biodiesel Susan T.
Although the ester content in the biodiesel was low, the utilization of microalgae for the production of lipids coupled with wastewater treatment has environmental and economic significance. It also describes microalagal enumeration methods, harvesting and dewatering techniques, and the design, and the pros and cons, of the two most common methods for cultivation-open raceway ponds and photobioreactors. Our natural biodiversity and environment is in danger due to the release of continuously emerging potential pollutants by anthropogenic activities. The characteristic of Nannochloropsis oculata are described using an integrated biorefinery approach based on palm oil milling as a model system. Other compounds that formed along with the bio-oil were bio-char, gases, and ash. The book provides a detailed discussion of microalgal strain selection for biodiesel production, a key factor in successful microalgal cultivation and generation of desired biofuel products.
Aquaculture, 195: 35 — 49. Methods, 6 6 : 333-345. The success of flotation depends on the nature of suspended particles microalgal cells in harvesting process. Successful microalgal cultivation and generation of these products calls for metic- ulous and rigorous microalgal strain selection. Prediction of dissolved oxygen and carbon dioxide concentration profiles in tubular photobioreactors for microalgal culture.
The major drawbacks of this method are the high energy consumption, high maintenance cost with low capacities, labor intensiveness, long extraction time and less efficiency than other methods. Productivity analysis of outdoor chemostat culture in tubular air-lift photobioreactors. The fuel properties of the bioleum were found comparable to heavy petroleum 104 Biotechnological Applications of Microalgae crude oil. Microalgae for biodiesel production and other applications: A review. The series editor and publisher will however always be pleased to receive suggestions and supplementary information. Journal of Hazardous Materials, 106: 101-105.
Sanjay Kumar Gupta is Technical Superintendent of Environmental Engineering in the Department of Civil Engineering at the Indian Institute of Technology, Delhi. Chapters cover lipid extraction and identification, chemical and biological methods for transesterification of microalgal lipids, and procedures involved in life cycle analysis of microalgae. This work, written by one of the true pioneers in the field describes the major algal chemicals of interest, namely pigments and lipids. Use of algae as biofertilizer, source of natural colours, bioactive compounds, phytochemicals with pharmaceutical and biotechnological applications, food and feed has been discussed. Microalgae are an invaluable biomass source with potential uses that could lead to environmental and economic benefits for society. Therefore, it is likely that a two-phase system using closed reactors to generate contamination-free inoculum with a high biomass concentration for a second product-generating stage in open systems could be advantageous.
In addition to covering a wide range of product classes, from polysaccharides to terpenes and from enyzmes to biofuels, it systematically discusses current and future applications of algae-derived products in pharmacology, medicine, cosmetics, food and agriculture. Harrison, Christine Richardson, and Melinda J. The added advantages of mechanical extractions are that 1 no chemicals are used for extraction, 2 the process is free of chemicals in the products, and 3 the product is safe for storage. This site is like a library, you could find million book here by using search box in the widget. Tubular photobio- reactor design for algal cultures.
Compared to conventional crops, biodiesel from microalgae has shown superior potential in terms of yields and using wastewater as a substrate. Water Science and Technology, 31: 1-23. It is authored and edited by respected world experts in the field of algal biotechnology and provides the most up to date and cutting edge information on developments in the field. In a comparison of the hypothetical wet and dry processing routes for the trans- esterification to biodiesel, the benefit of developing an effective wet processing route for which a discrete cell disruption step and rigorous drying are not essential is clearly demonstrated Lardon et al. Based on cor- relations developed between fatty acid compositions and the fuel properties of oils, the fuel quality of biodiesel derived from selected algal oils can be predicted through 92 Biotechnological Applications of Microalgae the lipid composition. Strain Selection for Biodiesel Production 41 Laurens, L.