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The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
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Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae
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Conversion of microalgae to jet fuel: process design and simulation.

Hui-Yuan Wang1, David Bluck2, Bernard J Van Wie1

  • 1The Gene & Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA 99164, United States.

Bioresource Technology
|July 6, 2014
PubMed
Summary
This summary is machine-generated.

Microalgae are ideal for sustainable liquid fuel production. This study simulates microalgae processing using PRO/II software, optimizing hydrotreating for Jet B fuel and assessing economic feasibility.

Keywords:
Jet fuelMicroalgaeProcess designSimulationThermolysis

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Area of Science:

  • Biotechnology and Biofuel Production
  • Chemical Engineering and Process Simulation

Background:

  • Microalgae offer a sustainable, renewable feedstock for liquid fuels.
  • Their rapid growth and genetic modifiability make them promising for biomass conversion.
  • Addressing fossil fuel dependency and reducing emissions are critical global challenges.

Purpose of the Study:

  • To demonstrate the adaptability of PRO/II software for simulating microalgae-based biofuel production.
  • To optimize the hydrotreating process for producing Jet B compliant fuel from microalgae.
  • To evaluate the economic feasibility of microalgae biofuel production.

Main Methods:

  • Simulation of a microalgae photobioreactor and thermolysis using PRO/II software.
  • Modeling of a cooling tower, gas flotation with flash drums, and solids removal.
  • Analysis of hydrotreating within PRO/II, applying Jet B fuel constraints.

Main Results:

  • Optimal hydrotreating parameters determined: 6.8% biooleum bypass, 230°C temperature, and 20:1 distillation ratio.
  • Successful integration of heat exchangers, cooling towers, and flotation units in the simulation.
  • PRO/II software demonstrated adaptability for complex biofuel process modeling.

Conclusions:

  • Microalgae biofuel production is economically feasible with access to low-cost resources (CO2, H2O, nutrients) and energy sources (solar, byproduct combustion).
  • Optimized hydrotreating is crucial for meeting Jet B fuel specifications.
  • PRO/II software provides a robust platform for designing and optimizing microalgae-to-biofuel processes.