Free powerpoint templates download free powerpoint backgrounds and powerpoint slides on algae. Us8017377b1 mass culture of microalgae for lipid production. Microalgae isolation and basic culturing techniques. An efficient lowcost method for harvesting microalgae is essential for largescale and lowcost production of microalgal biomass.
A free powerpoint ppt presentation displayed as a flash slide show on id. Then culturing the microalgae to a preselected target density threshold, bringing the microalgae to stationary phase, manipulating growth parameters to maximize lipid concentration and harvesting. Energy security has become a serious global issue and a lot of research is being carried out to look for economically viable and environmentfriendly alternatives. Marine phytoplankton are extremely tolerant to changes in salinity. Microalgal culture and maintenance in marine hatcheries shoji joseph and p. Ajithkumar central marine fisheries research institute post box no. The ph range for most cultured algal species is between 7 and 9. Winner of the standing ovation award for best powerpoint templates from presentations magazine. General characters ppt general characteristics of algae ppt what are algae. Microalgae or microphytes are microscopic algae, typically found in freshwater and marine systems, living in both the water column and sediment. Depending on their different habitats, algal strains vary in their ease of cultivation under laboratory conditions.
Powerpoint presentation for microalgae undergraduate research. Algae represent the largest aquaculture crop on global basis algae are a major. Microalgae are currently used as an important source of valuable natural biologically active molecules, such as carotenoids, chlorophyll, longchain polyunsaturated fatty acids, phycobiliproteins, carotenoids and enzymes. Microalgae in aquaculture pablo gonzalezalanis microalgae in aquaculture manage a body of water provide more food chemical fertilizers, organic materials manures. Observe the changes in the phytoplankton colony in a shrimp. However, energy efficient cultivation and harvesting technologies are necessary. Using algae for carbon dioxide capture and bio fuel production to combat climate change. Reuse of aquaculture wastewater in cultivating microalgae. Ideally they should be cultivated, capturing the co 2 from renewable energy such as biogas facilities thereby reducing the need for biogas upgrading and thus improving the net energy return. Algae can tolerate broad ranges of ph, salinity, temperature. Culturing microalgae using commercial media is expensive.
Currently, research is ongoing towards the advancement of microalgalbiofuel technologies. Enhancing the growth of chlorella vulgaris using indoor bioreactors supplemented with co2 gas. To enhance the economic viability of largescale microalgae processes, all biomass components need to be valorized, requiring a multiproduct biorefinery. They are therefore seen as promising candidates for the industrial production of biodiesel. Microalgae, together with bacteria, form the base of the food web and provide energy for all the trophic levels above. Certain strains of alkaliphile high ph, halophile high salinity were found to thrive in outdoor by restricting the crosscontamination of other microalgal strains. In addition to this, the report provides an indepth analysis of each segment with respect to the country as well as region coupled with market dynamics.
Pdf bioelectricity production from microalgaemicrobial. This presentation background can be used for all types of research related to. Microalgae have been experimented as a potential feedstock for biofuel generation in current era owing to its rich energy content, inflated growth rate, inexpensive culture approaches, the notable capacity of co2 fixation, and o2 addition to the environment. It addresses general design considerations pertaining to reactors that use natural light and photosynthetic growth mechanisms, with an emphasis on largescale reactors. Macroalgae, commonly known as seaweed, also have many commercial and industrial uses, but due to their size and the specific requirements of the. Ppt introduction to microalgae powerpoint presentation free to. Microalgae, proximate composition, cell, culture, batch culture, continuous. Typically, downstream processing of industrial biotechnological bulk products accounts for 20. The culture of microalgae, the extraction of lipids, the transesterification process and the biodiesel characteristics will be especially discussed. A method to produce high density microalgae having high lipid concentration in mass culture including the steps of inoculating a vessel with microalgae at midlog phase to a depth greater than 25 cm. In artificial culture, most grow best at a salinity that is lower than that of their native habitat. In this paper, the different sources of energy such as oil, conventional and unconventional biofuels like microalgae based biodiesel will be discussed. Specifically, thermochemical processing of microalgae yields products, which can be used both for energy and other industrial purposes, depending on the algal strain, processing method and.
Lag or induction phase this phase during which little increase in cell density occurs is relatively long when an algal culture is transferred from a plate to liquid culture. Sampling and isolation of microalgae from natural habitats is a wellestablished procedure. Feb 04, 2005 algal culturing techniques is a comprehensive reference on all aspects of the isolation and cultivation of marine and freshwater algae, including seaweeds. Apr 09, 2015 powerpoint presentation for microalgae undergraduate research project at upra for fall semester of 2014 1. Ppt aquaculture practices applied to microalgae cultivation. A method is described for saving 30% of the world fish catch by producing fishmeal and fish oil replacement products from marine microalgae. In this paper, we give an overview of different approaches for achieving flocculation of. The base of the food chain in the marine environment comprises phytoplankton phytoplankton is the main producer in marine enviornment most frequently used in commercial culture operations 4. Microalgae are necessary for the second stage of larval development zoea and in combination with zooplankton for the third stage myses of the development of shrimps. Latest development in microalgaebiofuel production with nano. Microalgae biodiesel has disadvantages such as algal lipids have less fuel value rather.
Cultivation and energy efficient harvesting of microalgae. Algae as renewable energy source world bank presentation 2012. Microalgae disks want a guaranteed live alternative for not so live hobby liquid algae cultures. Chapter 1 illustrates the potential role of microalgae in developing a more. Microalgae biodiesel technology is a hot topic which gains numerous attentions recently, a lot of interests on the oil production capability of microalgae to. Microalgae are a promising new source of biomass for production of food, feed, fuel, or chemicals, but the cost and energy demand of largescale production is still too high. Reuse of aquaculture wastewater in cultivating microalgae as. Microalgae cultivation methods marcindebowski,marcinzielinski,miroslawkrzemieniewski, magda dudek, anna grala department of environmental protection engineering university of warmia and mazury in olsztyn k e y w o r d s. Microalgal culture and maintenance in marine hatcheries 95 microalgal culture and maintenance in marine hatcheries shoji joseph and p. This presentation background can be used for all types of research related to minute objects that are so small that they cannot be seen with the naked eye. This method is used in outdoor cultivation and production of microalgae. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Depending on the species, their sizes can range from a few micrometers. Thompson csiro marine and atmospheric research, hobart, tasmania, 7000, australia.
The culture is grown in transparent tubes that lie horizontally on the ground and are connected by a network of pipes. Microalgae, capable of performing photosynthesis, are important for life on earth. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Growth dynamics growth of an axenic culture of microalgae characterized by five phases 1. Ppt microalgae in aquaculture powerpoint presentation. Find powerpoint presentations and slides using the power of, find free presentations research about microalgae ppt. Several microalgae species have been investigated for their potential as value. Microalgae in aquaculture pablo gonzalezalanis microalgae in aquaculture manage a body of water provide more food chemical fertilizers, organic materials manures, suplemetary diet microalgae in aquaculture microalgae in aquaculture bacillariophyta cyanophyta dinophyta euglenophyta microalgae in aquaculture experiment objective. Microalgal culture and maintenance in marine hatcheries. Review on cultivation and thermochemical conversion of.
Largescale production of marine microalgae for fuel and feeds. Free microbiology powerpoint template lets you study microscopic organisms in quite a lot of detail. Microalgae pdf the cultivation of microalgae can play an important role in environmental. Algaculture is a form of aquaculture involving the farming of species of algae the majority of algae that are intentionally cultivated fall into the category of microalgae also referred to as phytoplankton, microphytes, or planktonic algae. Algal culturing techniques is a comprehensive reference on all aspects of the isolation and cultivation of marine and freshwater algae, including seaweeds. Introduction a perspective on algal biogas 05 microalgae systems. Typically, downstream processing of industrial biotechnological bulk products accounts for. Jan 19, 2017 microalgae represent a promising source of renewable biomass for the production of biofuels and valuable chemicals.
The estimation of th e world crude oil reserves is a difficult task. A key step in the isolation of microalgae is to provide culture conditions that mimic their natural habitats. If so, share your ppt presentation slides online with. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. As photosynthetic organisms, microalgae can efficiently convert solar energy into biomass. Jun 17, 2016 carbohydrates in microalgae exist in the forms of sugars, starch, glucose, and other polysaccharides, which are very easy to digest. Evaluation of oil and biomass production of novel strains from milligrams to tons. Jan 22, 20 microalgae are a promising new source of biomass for production of food, feed, fuel, or chemicals, but the cost and energy demand of largescale production is still too high. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Important design aspects include lighting, mixing, water consumption, co2 consumption, o2 removal, nutrient supply. Although of short duration, those larval stages require microalgae culture facilities, which will vary with the size of the hatchery and the level of growth control. Microalgae are renewable, sustainable, and economical sources of biofuels, bioactive medicinal products, and food ingredients. The salinity was optimum for the cell growth at 3035 ppt, but the lipid content of 3436 % was.
Important design aspects include lighting, mixing, water consumption, co2 consumption, o2 removal, nutrient supply, temperature, and ph. The potential for microalgae as bioreactors to produce. Convenient live inoculants of microalgae ready to use when you need them. Dr becker provides a compilation of the different methods employed worldwide for the artificial cultivation of different microalgae, including recipes for culture media, description of outdoor and indoor cultivation systems as well as harvesting and procesing methods. Primary factors affecting growth of microalgae optimal light. The only solution that appears to meet futuristic needs is the use of renewable energy. The microalgae market report includes extensive analysis of market drivers, restraints, market trends and competitive. Ppt algae cultures to biofuels powerpoint presentation. General characteristics of algae, classification of algae based on habitat, thallus diversity in algae, chloroplast shape variations in algae, pigmentation in algae, reproduction in algae, life cycle in algae. Powerpoint presentation for microalgae undergraduate.
Introduction to microalgae is the property of its rightful owner. View and download powerpoint presentations on microalgae ppt. Photobioreactor design for commercial biofuel production. They are unicellular species which exist individually, or in chains or groups. Unialgal, petridish cultures of microalgae specially sealed for extended shelf life. It shows that bioelectricity can be produced from the combination of tapioca wastewater and microalgae culture through the microalgaemicrobial fuel cell mmfc technology. Over the last decades, microalgae have gained a commendable role in the rising field of biofuel production as they do not compete with food supply, reduce greenhouse gases emission, and mitigate co 2. Bioprospecting for oil producing marine microalgae. Then, the different aspects of the microalgae valorization into biodiesel will be considered. The need to achieve higher productivityand to maintain monoculture of. Ppt introduction to microalgae powerpoint presentation.
Cultivation of microalgae using natural and manmade openponds istechnologically simple, but not necessary cheap due to the high downstream processing cost. Inexpensive culture systems using shallow 10 cm deep ponds stirred with paddle wheels in areas of high solar insolation more intensive cultivation systems becoming available algal cultivation can be 50x more productive than traditional crops potential for culture in. Products of microalgae cultured in openpondscould only be marketed as valueadded health food supplements, specialityfeed and reagents for research. The author presents a stateoftheart account of research in algal production and utilization. Thompson encyclopedia of life support systems eolss algal cell culture peter a. Microalgae pdf microalgae pdf microalgae pdf download. Jun 05, 2014 regulation has been observed in the specific mutualism between the vitamin b 12dependent green alga lobomonas rostrata and the soil bacterium mesorhizobium loti, for which the ratio of algaltobacterial numbers equilibrated to around 1.
Latest development in microalgaebiofuel production with. The need to achieve higher productivityand to maintain monoculture of algae led to the. Photobioreactor design for commercial biofuel production from. Flocculation as a lowcost method for harvesting microalgae. Primary factors affecting growth of microalgae optimal. Although various forms of renewable energy are being currently used, the prospects of producing carbonneutral biofuels from microalgae appear.
May 20, 2019 microalgae have been experimented as a potential feedstock for biofuel generation in current era owing to its rich energy content, inflated growth rate, inexpensive culture approaches, the notable capacity of co2 fixation, and o2 addition to the environment. Regulation has been observed in the specific mutualism between the vitamin b 12dependent green alga lobomonas rostrata and the soil bacterium mesorhizobium loti, for which the ratio of algaltobacterial numbers equilibrated to around 1. Proliferation of aquaculture is generating high amount of wastewater containing nitrogen and phosphorus and this could be a source of nutrient for cultivating microalgae thereby reducing the production costs. Although microalgae are a promising biobased feedstock, industrial scale production is still far off. Microalgae represent a promising source of renewable biomass for the production of biofuels and valuable chemicals. Carbon dioxide is acquired directly from atmospheric air. Powerpoint presentation for microalgae undergraduate research project at upra for fall semester of 2014 1. Oct 10, 2018 a method is described for saving 30% of the world fish catch by producing fishmeal and fish oil replacement products from marine microalgae, the natural source of proteins and oils in the marine. Algae are a very large and diverse group of simple, typically autotrophic eukaryotic organisms, ranging. An engineered community approach for industrial cultivation. Algal cell culture encyclopedia of life support systems. This report assesses the economics of microalgae biofuels production.
Microalgae have recently attracted considerable interest worldwide, due to their extensive application potential in the renewable energy, biopharmaceutical, and nutraceutical industries. Global industry demand, growth, forecast 20182025 the global algae biofeedback market report covers industry outlook, size, share, growth, trends, and estimation till 2025. Thus, whole dried microalgae can be used as supplements in food or feed with no limitations. Microalgae as food and dietary supplements some of the microalgae have been consumed as food or health food due to their high nutritional value. The evaluation of microalgae and related extraction wastes used as raw material for.