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Producing Energy and Fertilizer From Organic Municipal Solid Waste -- Project Deliverable #1

Publication number Date Published
07-07-024June 2007
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Author(s) Usama Zaher, Dae-Yeol Cheong, Binxin Wu, and Shulin Chen
Description The earlier collaborative effort between Washington State University (WSU) and the Washington Department of Ecology (Ecology) ( has identified municipal solid waste as a major biomass in the state. With directed funding from the State, WSU and Ecology established a new partnership under Inter Agency Agreement C-0700136 to explore the beneficial uses of the waste material. This project was proposed to produce fuel and fertilizer from the organic fraction of municipal solid waste (OFMSW) through the application/development of anaerobic digestion technology. The purpose of this project is to develop a design of an effective high solids anaerobic digestion (HSAD) system that is ready for pilot test. The design will be tested on a bench scale to demonstrate the potential of biogas and nutrients recovery from various types of organic municipal wastes. This project includes five objectives: (1) evaluation and review of existing HSAD designs, (2) bench scale trials and validation, (3) development of modeling tools for evaluation and development of high solids digestion systems, (4) developing a technology for enhancing the anaerobic bacterial population in the high solids digestion, and (5) design of a pilot digester. This report is the first deliverable of the project.
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Keywords organics, municipal, agreement, fuel, model, waste, solid waste, fertilizer, anaerobic
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