Producing Energy and Fertilizer from Organic

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  • Topic: Biodegradable waste, Anaerobic digestion, Waste
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Producing Energy and Fertilizer from Organic
Municipal Solid Waste: Enhancing hydrolysis and
bacterial populations and mixing and
thermodynamic modeling of new solid waste
treatment technology
Ecology Publication Number 09-07-064

To ask about the availability of this document in a format for the visually impaired, call the Solid Waste and Financial Assistance Program at 360-407-6900. Persons with hearing loss can call 711 for Washington Relay Service. Persons with a speech disability can call 877-833-6341.

FINAL REPORT

Producing Energy and Fertilizer from Organic Municipal Solid Waste: Enhancing hydrolysis and bacterial populations and mixing and thermodynamic modeling of new solid waste treatment
technology
Submitted by
Bioprocessing & Bioproducts Engineering Laboratory
Department of Biological Systems Engineering
Washington State University
June 2009
Usama E Zaher, PhD, PE
Shulin Chen, PhD, PE
Project Leaders and Principal Investigators
Bioprocessing & Bioproducts Engineering Laboratory
Washington State University, Pullman, WA 99164-6120
Chenlin Li, PhD, Research Associate
Bioprocessing & Bioproducts Engineering Laboratory
Washington State University, Pullman, WA 99164-6120
Liang Yu, Research Assistant
Timothy Ewing, Research Assistant
Bioprocessing & Bioproducts Engineering Laboratory
Washington State University, Pullman, WA 99164-6120

This project was completed under Interagency Agreement C0700136 with the Bioprocessing & Bioproducts Engineering Laboratory, Washington State University

Legal Notice
The Washington State Department of Ecology provided funding for this project through the Beyond Waste Organics Waste to Resources (OWR) project. These funds were provided in the 2007-2009 Washington State budgets from the Waste Reduction Recycling and Litter Control Account. OWR project goals and objectives were developed by the Beyond Waste Organics team, and were approved by the Solid Waste and Financial Assistance Program. This report is available on the Department of Ecology’s website at www.ecy.wa.gov/beyondwaste/organics. The reader may be interested in the other project reports supported by Organic Waste to Resources and Waste to Fuel Technology funding sponsored by Ecology. These are also available on the “organics” link. The Washington State University Extension Energy Program will make this report accessible in its broader library of bioenergy information at www.pacificbiomass.org.

i

Table of Contents
Legal Notice ............................................................................................................................................................i Table of Contents .................................................................................................................................................. ii Executive Summary.............................................................................................................................................. iii 1.

Introduction .................................................................................................................................................. 1 2.
Project Objectives ........................................................................................................................................ 3 3.
Project approach ........................................................................................................................................... 4 3.1.
Feedstock assessment .......................................................................................................................... 4 3.2.
Design concept and modeling ............................................................................................................. 5 3.3.
Unit Process and seeding experimentation .......................................................................................... 8 3.4.
Experimental...
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