Publications

CTT

Improved Biomass Feedstock Materials Handling and Feeding Engineering Data Sets, Design Methods, and Modeling/Simulation Tools

Abstract  The overarching objective of this project is to contribute to the design and operation of reliable, cost effective, continuous feeding of biomass feedstocks into a reactor of an integrated biorefinery. The overarching goal is made up of two sub goals: 1) Develop and validate a comprehensive computational model to predict mechanical and rheological behavior …

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Effect of Pyrolysis Method on Physical Properties of Activated Biochar and its Application as Cathode Material for Lithium-Sulfur Battery

Abstract The influence of preparation method on the specific surface area, total pore volume, and pore size distribution of activated biochar derived from canola meal and Douglas fir was investigated for its use as cathode material for a lithium-sulfur (Li-S) battery. The specific surface area and total pore volume of fast pyrolysis derived activated biochars …

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Finite Element Modeling of Biomass Hopper Flow

Finite Element Modeling of Biomass Hopper Flow

Abstract  This presentation was given by Forest Concepts’ collaborator Pennsylvania State University and lead by Hojae Yi. Biomass flowability is the result of interactions between physical properties of bulk biomass and handling equipment. An appropriate biomass flowability model should be able to account for the material properties and equipment characteristics in tandem. Therefore, the computational …

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Biomass Flow Characterization through CTT

Biomass Flow Mechanical Properties Characterization

Abstract  This presentation was given by Forest Concepts’ collaborator Pennsylvania State University and lead by Hojae Yi. Unreliable handling of biomass is widely observed in plants using milled biomass. Flow behavior of bulk solids is a manifestation of mechanical interactions between the particulate material and handling equipment.  Overall, the current issue of unreliable biomass handling …

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Innovations in Biomass Pretreatment

Innovations in Biomass Pretreatment

Abstract  In this 11-minute presentation, Forest Concepts Chief Technology Officer Jim Dooley shares key innovations in biomass pretreatment.  These innovations have been made possible through a key funding partnership with the DOE. The objectives of the work at Forest Concepts have been to maximize feedstock flowability during handling, create feedstock attributes that maximize conversion yield, reduce …

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Reactor Ready Feedstocks for Thermochemical Conversion

Preprocessing Reactor-Ready Feedstocks for Thermochemical Conversion

Abstract  In this 15-minute presentation, Forest Concepts Senior Engineer David Lanning discusses the Techno-Economic Analysis (“TEA”) on the Crumbler® rotary shear system completed in partnership with Idaho National Laboratory. The project compared the feedstock preprocessing pathways of the Crumbler® system and a hammermill.  Lanning shares the resulting advantages the TEA revealed for the Crumbler® shear, …

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Cubical Triaxial Tester Biomass Handling Measurement

Overview of DOE Flowability Measurement and Modeling Project at Forest Concepts and Penn State University

Abstract  New and improved laboratory equipment to measure biomass physical, mechanical, and flowability properties are being developed to prototype stage within this project. Improved analytical models and simulation tools are being developed to improve the design of biomass handling unit operations such as hoppers, chutes, feeders, and the like. The objective of the project is …

Overview of DOE Flowability Measurement and Modeling Project at Forest Concepts and Penn State University Read More »

CTT Design

Design of a Biomass Scale Cubical Triaxial Tester

Abstract  The bioenergy industry is dependent on predictable and reliable feedstock handling equipment. High profile failures in the industry demonstrate the need for better modeling tools for feedstock handling, specifically tools which can model the bulk flow of biomass feedstock materials in handling equipment such as hoppers or screw conveyors. Measurement of bulk material flow …

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Crumbler Waste to Energy Presentation

Application of Crumbler® Technology to Recovered Plastics and MSW for Chemical Recycling and Waste to Energy

Abstract  Crumbler® rotary-shear technology from Forest Concepts is the solution to produce high quality feedstocks. This short presentation explains some of our emerging work in applying this patent-protected technology to recovered plastics and MSW for chemical recycling and waste to energy.  About the Publication  Dooley, J. H. (2020).  Auburn, WA, Forest Concepts, LLC. Read the …

Application of Crumbler® Technology to Recovered Plastics and MSW for Chemical Recycling and Waste to Energy Read More »

Two Crumbler Modules in a Tower Arrangement

Techno-Economic Analysis of Forest Concepts, LLC Crumbler® Operated at Proton Power to Process Crumbles® from Hardwood Chips

Abstract  Developing cost-effective methods for processing biomass into an economic biofuel product is critical to the success for the bioenergy industry in the United States. Size reduction and drying of the material, where used, are two of the most costly and energy-intensive operations that are undertaken during preprocessing. Reducing the energy required during these two …

Techno-Economic Analysis of Forest Concepts, LLC Crumbler® Operated at Proton Power to Process Crumbles® from Hardwood Chips Read More »