Cultivation microalgae (77 resultados)

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Taschenbuch. Condición: Neu. Microalgae Biomass for biodiesel production | Current advances on potential species isolation and screening, cultivation system and conditions, biomass harvesting techniques and oil extraction methods | Merawit Alemu | Taschenbuch | Englisch | 2020 | LAP LAMBERT Academic Publishing | EAN 9786203194845 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

Taschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Bachelor Thesis from the year 2015 in the subject Engineering - Industrial Engineering and Management, grade: 1.0, University of Applied Sciences Esslingen (Bachelor Thesis ITESM Mexico), course: International Engineering Management, language: English, abstract: Nowadays, microalgae are considered as a promising new sustainable feedstock due to its higher photosynthetic activity and growth rates compared to other plants. However, its high energy need in the cultivation process, the prevalence of manual work and the high costs deem the production and commercialization of it difficult. Consequently, the challenge of artificial microalgae production is not only to replicate and enhance the optimum natural growth conditions, but to make it automated and profitable. The purpose of this research was to develop an automated system to monitor and control specific growth conditions in order to improve the algae biomass production process. This research required the planning and installation of a control cabinet on a flat plate photobioreactor, components selection, installation of sensors and software programming in LabVIEW. The result of this research was a system that monitors the basic environmental growth parameters, which are temperature, light and pH. In addition to the monitoring system, a control system for light and CO2 flow was integrated to simulate specific growth conditions of microalgae. Further research is required in order to strengthen the idea of a fully automated flat plate photobioreactor for a more efficient microalgae cultivation. This approach may lead to a technology that can be used as a base model for future applications on more reactors.…

Taschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Master's Thesis from the year 2009 in the subject Agrarian Studies, grade: 1, California Polytechnic State University, language: English, abstract: Microalgae are considered one of the most promising feedstocks for biofuel production for the future. The most efficient way to produce vast amounts of algal biomass is the use of closed tubular photobioreactors (PBR). The heat requirement for a given system is a major concern since the best algae growth rates are obtained between 25-30 °C, depending on the specific strain. A procedure to determine temperature influence on algal growth rates was developed for a lab-scale PBR system using the species Chlorella. A maximum growth rate of 1.44 doublings per day at 29 °C (optimal temperature) was determined. In addition, a dynamic mathematical model was developed to simulate heating and cooling energy requirements of tubular PBRs for any desired location. Operating the model with hourly weather data as input, heating and cooling loads can be calculated early in the planning stage of a project. Furthermore, the model makes it possible to compare the operation inside a greenhouse to the outdoor operations, and consequently provides fundamental information for an economic feasibility study. The best configuration for a specific location can be evaluated easily. The model was exemplary tested for a hypothetical 100,000 l photobioreactor located in San Luis Obispo, California, U.S.A. Average algae productivity rates of 23% and 67% for outdoor and indoor PBR operations, respectively, were obtained. Actual energy loads (heating and cooling) needed to maintain the PBR at optimal temperature were determined and compared. Sensitivity analyses had been performed for abrupt temperature and solar radiation steps, PBR row distances, ground reflectivities, and ventilation rates of the greenhouse. An optimal row distance of 0.75 m was determined for the specific PBR. The least amount of energy was needed for a ground reflectivity of 20%. The ventilation rate had no major influence on the productivity rate of the system. Results demonstrated the importance of a simulation model as well as the economic impact of a sophisticated heat management system. Energy savings due to an optimized heat management system will eventually increase proficiency of the systems, which will support a new sustainable industry and future developmental potential.Keywords: Microalgae, photobioreactor, temperature influence, heat management, biodiesel, ethanol, biofuel, algal biomass.…

Taschenbuch. Condición: Neu. Energy Conversion from Microalgae to Bioenergy: A Review | A summary of cultivation, Harvesting, Extraction of Lipids, and Energy Conversion from Microalgae and its applications | Bikkavolu Jogarao (u. a.) | Taschenbuch | Englisch | 2022 | LAP LAMBERT Academic Publishing | EAN 9786204983356 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

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Taschenbuch. Condición: Neu. Cultivation of microalgae using POME for high lipid content | Erisa Viony Putri (u. a.) | Taschenbuch | 156 S. | Englisch | 2015 | LAP LAMBERT Academic Publishing | EAN 9783659743481 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

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Taschenbuch. Condición: Neu. Microalgae Cultivation for Biofuels Production | Abu Yousuf | Taschenbuch | Einband - fest (Hardcover) | Englisch | 2019 | Elsevier Inc | EAN 9780128175361 | Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, 36244 Bad Hersfeld, gpsr[at]libri[dot]de | Anbieter: preigu.…

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Condición: New. Provides an overview of the whole production chain of microalgal biofuels and other bioproducts Presents an analysis of the economic and sustainability aspects of the production chain Examines the integration of microalgae biorefi.