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Anaerobic Digestion At Western Washington University, Sienna Taylor
Anaerobic Digestion At Western Washington University, Sienna Taylor
WWU Honors College Senior Projects
Anaerobic digestion (AD) is the process by which organic matter (such as food waste, manure, paper products, etc.) are broken down by bacteria in a contained system lacking oxygen. The decomposition in this environment produces the byproducts of digestate, which can be used as a liquid fertilizer, and biogas, which can be used in place of natural gas. The goal of anaerobic digestion at Western Washington University is to create a closed-loop waste system to process the pre-consumer and post-consumer organic food waste from the dining halls and use the resulting byproducts. This paper provides recommendations for anaerobic digestion at …
Analyzing Residential Curbside Collection For Food Waste In Humboldt County, Yvette Lindler
Analyzing Residential Curbside Collection For Food Waste In Humboldt County, Yvette Lindler
Cal Poly Humboldt theses and projects
The most prevalent material in the California landfill-destined solid waste stream is food. Food waste is not only an economic and social concern, but a significant environmental challenge as well. Most food waste is disposed of in landfills, where it anaerobically decomposes and releases methane, an extremely potent greenhouse gas and driver of climate change. Policies passed in California, including AB 1826 and SB 1383, aim to implement organic waste recycling programs and reduce methane emissions by diverting organic waste from landfills. The technology to process this food waste exists, but these facilities are limited or nonexistent in rural areas …