Renewable Propane - Biopropane Fuel
Search for clean and renewable fuel ends with Renewable Propane!

 

How is propane produced?

Current processes for propane production involves pumping out oil from the ground. During the extraction of oil from the earth, a mixture of crude and wet gas is collected. The two are separated, with the wet gas containing propane. The wet gas is then cooled and separated into natural gas and LPG. The LPG is then purified and can be separated to yield propane fuel. While this process has remained dominant over the last century, a decreasing supply of oil fields threatens the system. Biopropane production can fill this gap.

How is biopropane produced?

There are currently multiple processes for the production of biopropane under investigation.

Feedstocks:    Waste glycerol from biodiesel production

Crop waste

Food processing waste

Sugarcane bagasse (leftover sugarcane waste after juice extraction)

Corn stovers (leaves and stalks of leftover corn waste)

Algae

Energy Crops like switchgrass and giant miscanthus 

Compostible garbage like yard waste, food waste

Conversion Processes: Multiple chemical and thermochemical routes can be employed for conversion.  Economics are based on conversion.  Routes are

Pyrolysis

Fisher Troph Conversion

Steam Reformulation

Pyrolysis with Hydrogen

Biotransformation

Fermentation

In the first process, MIT has developed a system which converts a fermentation product to propane. The product is derived from the corn and sugarcane. A reaction is conducted with supercritical water causing the formation of propane from the starting product. The process requires no catalysts, causing a drastic decrease in the end-cost of the product. After the reaction, the mixture is cooled and the biopropane is separated out.

Biodiesel is an important biofuel in Brazil, Europe and elsewhere. It provides an important fuel utilizing an vegetable and animal oils. However, during the process of biodiesel transestrification, large amounts of glycerin are produced as waste. Researchers are designing a process to efficiently convert the glycerin, a 3-carbon molecule to biopropane (also 3 carbon molecule), as the molecules are similar.  This process has a potential to reduce 90% of green house gases.

 

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Testimonial

Renewable Propane--Same Properties Sourced From Waste!  True Drop-in biofuel.

 

"Renewable propane is an ideal biofuel. It has same properties as petroleum derived propane, but can be produced outside every town and city from garbage or unusable agricultural wastes." 

-- S. Bhargava, US