Bioenergy Potential from Food Waste in California
| Autor: | Ling Jin, Hanna M. Breunig, Alastair Robinson, Corinne D. Scown |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Engineering
Municipal solid waste 020209 energy 02 engineering and technology 010501 environmental sciences Solid Waste Combustion 01 natural sciences Bioenergy 0202 electrical engineering electronic engineering information engineering Environmental Chemistry 0105 earth and related environmental sciences Energy recovery Waste management Moisture business.industry Environmental engineering General Chemistry Refuse Disposal Waste Disposal Facilities Food waste Electricity generation Landfill gas Food Biofuels business Methane |
| Zdroj: | Environmental Science & Technology. 51:1120-1128 |
| ISSN: | 1520-5851 0013-936X |
| DOI: | 10.1021/acs.est.6b04591 |
| Popis: | Food waste makes up approximately 15% of municipal solid waste generated in the United States, and 95% of food waste is ultimately landfilled. Its bioavailable carbon and nutrient content makes it a major contributor to landfill methane emissions, but also presents an important opportunity for energy recovery. This paper presents the first detailed analysis of monthly food waste generation in California at a county level, and its potential contribution to the state's energy production. Scenarios that rely on excess capacity at existing anaerobic digester (AD) and solid biomass combustion facilities, and alternatives that allow for new facility construction, are developed and modeled. Potential monthly electricity generation from the conversion of gross food waste using a combination of AD and combustion varies from 420 to 700 MW, averaging 530 MW. At least 66% of gross high moisture solids and 23% of gross low moisture solids can be treated using existing county infrastructure, and this fraction increases to 99% of high moisture solids and 55% of low moisture solids if waste can be shipped anywhere within the state. Biogas flaring practices at AD facilities can reduce potential energy production by 10 to 40%. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|