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Making Algae Photobioreactors at Home

Making Algae Photobioreactors at Home
Author: David Sieg
Publisher: Lulu.com
Total Pages: 272
Release: 2009-10
Genre: Education
ISBN: 0982418213

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Biofuels from Algae

Biofuels from Algae
Author: Hong-Wei Yen
Publisher: Elsevier Inc. Chapters
Total Pages: 36
Release: 2013-08-08
Genre: Science
ISBN: 0128083662

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The cultivation of phototrophic microalgae has been recognized as a promising platform for the production of renewable biofuels and a variety of valuable products through a series of biorefinery processes. To enable microalgal growth at the maximum productivity level to enhance economic competitiveness, the design of photobioreactors for efficient and cost-effective phototrophic cultivation is one of the most important issues in practice. This article elucidates comprehensive information on the characteristics of microalgae cultivation as well as the key factors and challenges that should be addressed regarding the phototrophic process. The design principle of the photobioreactor (PBR) for achieving highly efficient cultivation is also summarized. Many of today’s PBRs are open systems due to the cost issue; even so, closed photobioreactors have recently attracted considerable attention for the production of valuable compounds. The comparison of designs and features of the open and closed systems are discussed. Furthermore, the current development status of commercial microalgae cultivation systems by several companies is given as examples to expose the potential of and the challenges in using microalgal biomass. The objective of this chapter is to provide useful knowledge and information with regard to the design of PBR for microalgae cultivation with critical evaluations of those systems to facilitate the future development of the microalgae industry.


Microalgae Cultivation for Biofuels Production

Microalgae Cultivation for Biofuels Production
Author: Abu Yousuf
Publisher: Academic Press
Total Pages: 384
Release: 2019-11-23
Genre: Science
ISBN: 0128175370

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Microalgae Cultivation for Biofuels Production explores the technological opportunities and challenges involved in producing economically competitive algal-derived biofuel. The book discusses efficient methods for cultivation, improvement of harvesting and lipid extraction techniques, optimization of conversion/production processes of fuels and co-products, the integration of microalgae biorefineries to several industries, environmental resilience by microalgae, and a techno-economic and lifecycle analysis of the production chain to gain maximum benefits from microalgae biorefineries. 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 biorefineries into several industries


Making Algae Biodiesel at Home

Making Algae Biodiesel at Home
Author: David Sieg
Publisher: Createspace Independent Publishing Platform
Total Pages: 0
Release: 2011
Genre: Algae
ISBN: 9781463733605

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The global bestseller has now come to Amazon.com! The New 2012 edition is here! The global bestseller is now in paperback. Over 350 pages, and over 80 pages of new material. Including... * Locating algal strains in your environment, * Where to buy algae strains world-wide. * Building a low-cost algae lab, * Building an algal "bio-pond", * Building a "Backyard Open Pond" * Building a low cost photo bio-reactor. *Commercial production concepts. And much, much more It's all here and more if you want to understand the concepts and how to get in on the cutting edge of 21st. century fuel making.


Grow Algae for Profit

Grow Algae for Profit
Author: Christopher Kinkaid
Publisher: CreateSpace
Total Pages: 74
Release: 2014-07-13
Genre: Science
ISBN: 9781500485450

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Algae is a miracle of Nature. Rich, in Amino acids, Proteins, Lipids, Carbohydrates, Anti-oxidants, phycobiliproteins, and other valuable products, algae is being tapped as the new feedstock across industries. This Book describes how to build your own Photobioreactor to grow pure algae species (taxa). Algae, are Earths "engine" to fuel the food web. As a "primary producer," responsible for nearly half the oxygen production on Earth, the power of algae is being commercialized to produce valuable organic products. Build your own, Algae Photobioreactor (PBR) grow kit, to Cultivate valuable algal strains, and tap into the rapidly growing Algae Industry. Grow algae reliability, and repeatably, with Photobioreactor (PBR) Algae Grow Kits for controlled photosynthesis. Grow up to Four different Algal taxa using these 4-vessel Algae grow kits rated at 80 Liter total capacity. Complete with optical, mechanical, electrical, pneumatic, and biological systems, photobioreactors give you complete control. Growing monocultures of algae, using photobioreactors, is useful for researchers, developers, companies, universities, and those who need to cultivate Algal monocultures with purity, and minimal cost of construction. Algae, produce valuable amino-acids, proteins, carbohydrates, and essential oils (lipids) consuming water-borne pollution for nutrients. Algae species, grown with your PBR algae grow kits, enable researchers to tap algae's enormous productivity, able to double in mass in 24 hours under exponential growth phase. Algal researchers, work to develop protocols for increased production. Growing algae converts water, in-organic compounds (CO2), and solar radiation into valuable organic molecules. This eBook is written as a resource for building your own photobioreactor, and growing valuable algal strains. This Book is written, as a resource for researchers, to construct an effective bioreactor, rated at 80 Liters, for growing algae monocultures. Isolated from contamination, these photobioreactors, offer the researcher total control of all inputs, and thermodynamic conditions, to grow a specific monoculture algal strain. Grow Algae for Profit, using photobioreactors, to produce useful quantities of pure species (taxa). Grow Algal Biomass, for your experiments, or for sale, with this easy-to-build Photobioreactor.


Temperature Influence and Heat Management Requirements of Microalgae Cultivation in Photobioreactors

Temperature Influence and Heat Management Requirements of Microalgae Cultivation in Photobioreactors
Author: Thomas H. Mehlitz
Publisher: GRIN Verlag
Total Pages: 153
Release: 2009-07-25
Genre: Technology & Engineering
ISBN: 3640382250

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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


Making Algae Biodiesel at Home

Making Algae Biodiesel at Home
Author: David Sieg
Publisher:
Total Pages: 270
Release: 2010
Genre: Biodiesel fuels
ISBN:

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Biofuels from Algae

Biofuels from Algae
Author: Kuan-Yeow Show
Publisher: Elsevier Inc. Chapters
Total Pages: 48
Release: 2013-08-08
Genre: Science
ISBN: 0128083697

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Extensive effort is being made globally to develop various biofuels as an inexhaustible and renewable energy source. Biofuels are viewed as promising alternatives to conventional fossil fuels because they have the potential to eliminate major environmental problems such as global warming and climate change created by fossil fuels. Among the still-developing biofuel technologies, biodiesel production from algae offers a good prospect for large-scale practical use, considering the fact that algae are capable of producing much more yield than other biofuels such as corn and soybean crops. Although research on algae-based biofuel is still in its developing stage, extensive work on laboratory- and pilot-scale algae-harvesting systems with promising prospects has been reported. This chapter presents a discussion of the literature review of recent advances in algal biomass harvesting. The chapter focuses on stability and separability of algae and algae-harvesting methods. Challenges and prospects of algae harvesting are also outlined. The review aims to provide useful information for future development of efficient and commercially viable algal biodiesel production.


Pattern light simulation and sensing automation of flat plate photobioreactor for sustainable growth and cultivation of Microalgae

Pattern light simulation and sensing automation of flat plate photobioreactor for sustainable growth and cultivation of Microalgae
Author: Erim Sezer
Publisher: GRIN Verlag
Total Pages: 107
Release: 2015-08-17
Genre: Technology & Engineering
ISBN: 3668031258

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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.