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Digester Feed Material
Glycerine is also a great additive to any biodigestor feedstock that contains ample nitrogen but lacks energy content. Glycerine acts as a carbon source and as a significant energy source. An addition of 5% by weight of glycerine to cow manure increases the methane production by nearly 10%, creating a synergistic co-fermentation effect that produces more methane combined than either feedstock alone can produce (Robra et al 2010; Astals et al. 2011). With pig manure this co-fermentation effect is even greater. With a 20% addition of glycerine to 80% pig manure researchers found a 125% increase in methane production (Astals et al. 2011).
According to Torrijos et al. (2008) glycerine has a high potential for methanisation because of its high methane potential (465 ml CH4/g VS) and high metabolization rates (0.42 g VS/g VSS.d). It is so efficient as a feedstock for microbial methanisation that in multiple studies all the glycerine was completely digested to biogas with no residual remaining.
Gas Scrubbing Material
Crude glycerine is readily available, inexpensive, and non-toxic (WHO Geneva 1976). It has been found to remove most of the contaminants in raw biogas in other applications. Glycerine is an extremely polar compound and it has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature. Research has shown that glycerine scrubbing solutions have a high absorbability of CO2. Limitations have been identified in selecting CO2 over N2 in tests (Chen H., Majurmdar S., Sirkar K.K. 2001); however, when cleaning raw biogas this selectivity is not a concern because both these contaminants need to be removed to produce renewable natural gas (RNG) that meets advanced transportation fuel standards and specifications. Other research has shown glycerine to dissolve H2S (CAS No. 7783-06-4), as well hold siloxances, trace contaminants in raw biogas, in suspension making them available for removal (Santamaria, F.G. 2003).
Waste Water Treatment
Glycerol is better known as a common ingredient in pharmaceuticals, foods, soaps and perfumes, but lately it's been wandering off into strange new territories, popping up here and there as a green chemistry alternative to petrochemicals. In the latest development, glycerol (aka glycerin or glycerine) has been successfully deployed as the main ingredient in an innovative new nitrogen removal system at a New York City wastewater treatment plant. It's the first such facility of its kind in the U.S. It is helping to improve the municipal wastewater treatment process by removing excess nitrogen from effluent before it is released into surrounding waterways (too much nitrogen = dead fish and other problems).
Oil and Gas
Glycerine has been shown to be an effective additive in the fracking process and Glycerine's natural properties make it more environmentally-friendly than many harsher chemical additives. The impact of hydraulic fracking on the surrounding ground and water has been a growing topic of discussion within the community. Glycerine shows promise in being an effective additive to the fracking solution while helping to lessen the residual chemical footprint of the process.

USP or TECH Grades for a myriad of specialized applications.

Feed stock for Refined Glycerine and as is in a myriad more specialized applications.

Custom formulations for various conditions and applications.

Glycerine as an additive to animal feed.

Glycerine has unparalleled environmentally friendly anti-freeze and freeze control properties.