Author Project - University of Minnesota（作者项目明尼苏达大学）.pdf

Biomass Gasification: A Comprehensive Demonstration of a Community-Scale Biomass Energy System Final Report to the USDA Rural Development Grant 68-3A75-5-232 Chapter 8: A Case Study in Biomass Preprocessing Biomass Gasification Author Joel Tallaksen, Ph.D. Project Biomass Gasification Project Coordinator West Central Research and Outreach Center University of Minnesota Biomass Gasification: A Comprehensive Demonstration of a Community Scale Biomass Energy System USDA Final Report Contents 1. Introduction…………………………………………………………………………………………………………………………………………. 3 2. Biomass Properties and Other Considerations……………………………………………………………………………………… 4 3. Equipment and Systems for Preprocessing Biomass…………………………………………………………………………….. 7 3.1: Size Alteration……………………………………………………………………………………………………………………………… 7 3.2: Densification…………………………………………………………………………………………………………………………….…. 8 3.3: Biomass Drying…………………………………………………………………………………………………………………………... 10 3.4: Quality Control and Preprocessing Steps………………………………………………………………………………….… 10 3.5: Designing a Preprocessing System……………………………………………………………………………………………... 11 3.6: The Morris Biomass Processing Experience………………………………………………………………………………… 12 4. Processing Steps and Figures……………………………………………………………………………………………………………… 13 Chapter 8: A Case Study in Biomass Preprocessing Page 2 Biomass Gasification: A Comprehensive Demonstration of a Community Scale Biomass Energy System USDA Final Report 1 Introduction A significant limitation to the deployment of biomass energy systems is the difficulty in working with biomass compared to conventional fossil fuels. Fossil fuels are a uniform, hig