1 edition of Biological flocculation of microalgae found in the catalog.
Written in English
|Statement||by Ho Kang|
|The Physical Object|
|Pagination||xvii, 163 leaves :|
|Number of Pages||163|
2. The stability of microalgae with respect to their separability from aqueous suspensions. Colloidal character of microalgae suspension Algae sedimentation rate 4 4 9 3. Flocculation of microalgae 11 4. Algae harvesting technologies 16 Filtration screening & straining 18 Sedimentation 31 Flotation 34 4,4 Centrifugation 40 5 File Size: 2MB. Background: Potential of algal biomass for fuels, food, feed, and value-added chemicals through autotrophic and heterotrophic metabolic pathways has long b Cited by: 4.
Further scale up was conducted with L of microalgae cultures, and the operating parameters were the same as described above. The results presented in Fig. 3 a, b show the visual characteristics of the cultures before and after flocculation, respectively. The dark-green color observable in Fig. 3 a disappeared in Fig. 3 b with dense algal biomass (flocs) at the bottom of the flocculation Cited by: Chitosan is a nontoxic biobased polymer, attractive for the flocculation-based harvesting of microalgae. While it is generally effective to harvest algae in freshwater medium, its performance in seawater has been unpredictable. This study determined the optimal conditions for flocculation of the marine microalgae Nannochloropsis oculata using chitosan. Whereas in freshwater a low pH (Cited by: 7.
Flocculation method developed by using chitosan as a natural flocculant is a worthy microalgal harvesting method for microalgae-based biofuel production. There is hope that chitosan can be reasonably and technically realistically applied in a Cited by: Biofuels from Microalgae Algae was initially examined as a potential replacement fuel source for fossil fuels in the s amidst the gas scare (9), but prohibitive production costs and limitations discouraged the commercial development of algae‐based fuel by:
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Texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection. National Emergency Library. Top Biological flocculation of microalgae Item Preview remove-circle Share or Embed This Item. EMBED EMBED (for Pages: In addition, fatty acid, biological, and biomedical applications of marine microalgae are explored.
Biofuels such as bioethanol, biohydrogen, and biodiesel are also briefly discussed. Select Chapter 2 - An Introduction to Microalgae: Diversity and Significance.
Book Biological flocculation of microalgae book Full text access. Sometimes, flocculation occurs spontaneously in microalgal blooms growing in water reserves like lakes, ponds, and rivers, which is often induced by extracellular polymeric compounds in the medium produced by other microbes including bacteria, fungi, and algae, hence named as bio‐flocculation Author: Sana Malik, Fahad Khan, Zahida Atta, Nida Habib, Muhammad Nabeel Haider, Ning Wang, Asraful Alam, Eb.
The chapters explore new microalgae cultivation techniques, including solid (biofilm) systems, and heterotrophic production methods, while also critically investigating topics such as combining wastewater as a source of nutrients, the effect of CO 2 on growth, and converting biomass to methane through anaerobic digestion.
The book highlights innovative bioproduct optimization and molecular genetic. Book. TOC. Actions. Share. Handbook to 90% of their weight made up from carbohydrate, protein and oil. As well as these macromolecules, microalgae are also rich in other high-value compounds, such as vitamins, pigments, and biologically active compounds, All these compounds can be extracted for use by the cosmetics, pharmaceutical.
Purchase Handbook of Marine Microalgae - 1st Edition. Print Book & E-Book. ISBNmethod that has been proposed for induced flocculation of microalgae is biologically induced flocculation with bacteria as has been applied successfully in wastewater treatment (Lee et al. Bio-flocculation of microalgae with bacteria, however, demands additional substrate as well as an extra energy source for bacterial growth andCited by: Handbook of Microalgal Culture is truly a landmark publication, drawing on some 50 years of worldwide experience in microalgal mass culture.
This important book comprises comprehensive reviews of the current available information on microalgal culture, written by 40 contributing authors from around the globe.
The book is divided into four parts, with Part I detailing biological and 5/5(1). The highest harvesting efficiency for all the studied microalgae were at pHand measurement of zeta-potential confirmed that the flocculation was induced by charge neutralization.
Bio-flocculation of microalgae with bacteria, however, demands additional substrate as well as an extra energy source for bacterial growth and this will evoke undesirable bacterial contamination of the algal production plant.
Recently, the naturally flocculating diatom Skeletonema was used to form flocs of Nannochloropsis (Schenk et al. As diatoms have a silica-based cell wall, they require different medium composition than most of microalgal Cited by: Electrofloculation for Harvesting Microalgae.
Book October complete flocculation of the microalgae without damaging the microalgae cells by charge. Considering the obstacles still found in harvest stage of the microalgae industrial processing, this study aims to evaluate the effect of physical (i.e., centrifugation), chemical (i.e., chemical flocculant) and biological (i.e., temperature, irradiance, growth phase) mechanisms on the solid-liquid separation of microalgae and the possibility.
This comprehensive book details the most recent advances in the microalgae biological sciences and engineering technologies for biomass and biofuel production in order to meet the ongoing need for new and affordable sources of food, chemicals and energy for future generations.
The chapters explore. Biological CO 2 fixation and wastewater treatment by using microalgae has recently received growing interest. Microalgae can be cultivated in photobioreactors by utilizing CO 2 from point sources such as power plants, cement manufacturing facilities and waste water from industrial, municipal, dairy facilities.
These processes can provide the nutrient sources for sunlight microalgae photosynthesis. Bio-flocculation of microalgae by co-cultivation with filamentous fungi relies on the development of large structures that facilitate cost effective harvesting. A yet unknown filamentous fungus was. Biological based methods are flocculation caused by extracellular polymeric substance such as polysaccharides and proteins, originating from microalgae and microorganism.
Chemical based methods mainly refer to chemical flocculation induced by inorganic and organic by: Current harvesting methods include biological, chemical, mechanical, and to a lesser extent, electrical operations .In general though, there is no proven single best method for harvesting microalgae , as each has its advantages and disadvantages ().Typical strategies currently applied for harvesting microalgae include centrifugation, filtration, various forms of flocculation (e.g Cited by: Title:Bio-Flocculation of Microalgae: Status and Prospects VOLUME: 4 ISSUE: 4 Author(s):Wenguang Zhou, Roger Ruan and Jinghan Wang Affiliation:Center for Biorefining, Department of Bioproducts and Biosystems Engineering, University of Minnesota, Eckles Ave.
Saint Paul, MNUSA., Environmental Simulation and Pollution Control State Key Joint Laboratory, School of Environment Cited by: 4. Combination of chemical biological flocculation and microalgae biofilm growth for decentralized sewage treatment.
Communications in agricultural and applied biological sciences, 77 (1), / Zamalloa, C.; Boon, N.; Verstraete, by: 2. A mixed consortium wild-type microalgae (such as Chlorella sp.) and bacteria was tested for biological treatment of dairy industry wastewater in stirred tank batch bioreactor.
Size of microalgae cells increase by Flocculation so that sedimentation will be easily done with large cells particle. Chemical flocculation and centrifugation is useful in high density algae because using certain chemical such as alum, lime and aluminum sulphate will coagulate and precipate the cell down or float to the surface.A two-stage treatment system for domestic wastewater treatment in situ is proposed.
In the first stage, COD and P are removed by chemical biological adsorption. In the second stage, N and P are removed by immobilization in microalgae biomass biofilm. Algal biofilm grown in an innovative parallel plate reactor installed on a roof. COD and P discharge limits meet EU regulation but N is just below these Cited by: Production and emission of CO2 from different sources have caused significant changes in the climate, which is the major concern related to global warming.
Among other CO2 removal approaches, microalgae can efficiently remove CO2 through the rapid production of algal biomass. In addition, microalgae have the potential to be used in wastewater by: 8.