Ethanol

Ethanol (also known as ethanol gas or ethanol fuel) is a renewable fuel made of plant material that is added to gasoline to oxygenate it, reducing air pollution. Most of the gasoline now sold in the United States is blended with some amount of fuel ethanol. These blends are named by their ethanol content. For…

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Clean Energy Experts

Clean energy is that which is produced through methods that do not release greenhouse gases or any other pollutants. Clean energy is good as it keeps global warming and pollution lower and keeps the planet sustainable.  Renewable energy is that which is derived from some natural process that is regenerated over relatively short periods of…

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Diesel Biodiesel

Diesel biodiesel, or simply “biodiesel,”  refers to vegetable oil, or animal fat-based, diesel fuel consisting of long-chain alkyl (methyl, ethyl, or propyl) esters.  Biodiesel is typically made by chemically reacting lipids (e.g., vegetable oil, soybean oil, animal fat (tallow) with an alcohol-producing fatty acid.  Biodiesel is meant to be used in standard diesel engines and…

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Financial Due Diligence in Renewable Energy

Financial due diligence is an important step for securing financial backing.  Most renewable energy projects and technology proposals will receive money from investors, financial institutions, or grant makers only after they pass the scrutiny of major due diligence. Securing the upfront financing and arranging due diligence, from experts or firms that can offer the most…

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Best Renewable Energy

What is the best renewable energy?  To even attempt such an assessment requires answering two questions initially.  First, what is encompassed by the term “renewable energy”?   Second, how does one evaluate which is “best”?  By definition, “renewable energy” refers to a specific type of energy that is collected from some renewable resources, such as sunlight,…

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Heat Transfer Issues in Mechanically Agitated Fermenters

Heat Transfer Issues in Mechanically Agitated Fermenters? Aerobic fermentation generates a significant amount of heat, which must be removed to maintain a constant temperature. The main heat sources are metabolic heat generation, agitator power input, and compressor power input. Removing the heat is made more challenging by the fact that fermenters are operated at mild…

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Renewable Natural Gas

Renewable Natural Gas is produced from organic materials at farms, landfills, wastewater treatment plants, and food waste systems.  As an alternative to fossil fuel natural gas, RNG systems with good RNG technology can reduce greenhouse gas emissions. RNG is a manufactured product developed from the raw, methane-containing biogas produced by anaerobic digestion, in turn, a…

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Process Design

The task of process design is to lay out the process unit operations in a Block Flow Process Diagram (BFPD), in which the processing unit operations are connected by the continuous process stream flows.  A process is the transformation of raw materials, into one or more products of commercial value. The process development aims for…

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