Our renewable natural gas (RNG) facility located in Stanfield, Arizona, currently operates six anaerobic digesters processing local dairy manure and food waste into renewable natural gas. The RNG is set to a natural gas pipeline and transported to California for use in the transportation sector. The Stanfield RNG facility is on the forefront of renewable natural gas production, and is a remarkable example of technical innovation using massive amounts of agricultural and food waste to produce clean renewable energy.
With anaerobic digestion, bacteria digest the organic material in food waste and dairy manure in an oxygen free environment and produces methane during the proses. In addition to methane the digestion process also produces some other gases including carbon dioxide and hydrogen sulfide. We process this raw biogas into RNG which contains 99% renewable methane.
The RNG is then injected into a natural gas pipeline and can be used for all the applications currently using natural gas. RNG is a drop in replacement for traditional natural gas.
The process of anaerobic digestion doesn't just benefit us in terms of energy generation. It also offers a sustainable solution to waste management. By utilizing organic waste such as manure and food scraps, we not only divert these materials from landfills but also harness their potential as a renewable energy source. Moreover, by transitioning from traditional fossil fuels to renewable natural gas, we can reduce greenhouse gas emissions.
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