Methane

Methane (CH4) is a chemical compound with one atom of carbon and four atoms of hydrogen.  It is the simplest alkane and is the main constituent of natural gas.  The abundance of methane makes it an attractive fuel, although capturing and storing can pose challenges.  Naturally occurring methane is found both below ground and under the…

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Gas to Liquid Fermentation PPT

This is a good PowerPoint by Lee Enterprises Expert, Greg Benz, about gas to liquid fermentation and the agitation used to aid in the gas to liquid mass transfer. It talks about basic mass transfer equations, gas solubility, and minimizing power consumption in production.

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Sewage and Sludge Treatment

Sewage treatment is the process of removing contaminants from municipal wastewater coming mainly from household sewage and industrial wastewater. There are several physical, chemical, and biological processes that are used to remove contaminants to produce a treated wastewater, called treated effluent, in a form that is safe enough to release into the environment.  There are also several…

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Creating Value from Landfill Gas

Creating Value from Landfill Gas? Landfills contain a toxic stew of biomass materials from old tires to food wastes to animal manure. It is literally the bottom of the rubbish barrel. The US EPA estimates that 250 million tons of municipal solid wastes are sent to landfills each year. These materials have a wide range…

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