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Full-Text Articles in Chemical Engineering

Zips Precious Plastics: Plastic Extruder, Patrick Cole Jan 2020

Zips Precious Plastics: Plastic Extruder, Patrick Cole

Williams Honors College, Honors Research Projects

This project's goal was to design and build an affordable desktop filament extruder that can precisely and consistently extrude filament to a certain tolerance acceptable for 3D printers using wasted printing material. The group is partnering with an on campus organization focusing on engineering applications for sustainable futures. Zips Precious Plastics is a student run design group that intends to bring an innovation space on campus to help educate students about the importance of a closed looped system within plastic manufacturing.


Systems Analysis For Sustainability Assessment Of Biogas And Bio-Ch4 Production From Food Waste And Dairy Manure Mixtures In The Us, Sharath Kumar Ankathi Jan 2020

Systems Analysis For Sustainability Assessment Of Biogas And Bio-Ch4 Production From Food Waste And Dairy Manure Mixtures In The Us, Sharath Kumar Ankathi

Dissertations, Master's Theses and Master's Reports

The purpose of the dissertation is to relate systems analysis for bioenergy to identify optimum configurations for improved scenarios and to make better decisions in a systems perspective.

Chapter 1 is a review of the literature to identify the state of the knowledge in terms of systems analysis for anaerobic digestion (AD) bioenergy systems. The key outcomes from this review showed that anaerobic digestion of mixtures of food waste and animal manure has great potential to achieve economic and environmental benefits compared to other treatments of organic waste materials, such as landfilling or conventional manure management.

Chapter 2 focuses on …