Essays about: "virgin"
Showing result 1 - 5 of 154 essays containing the word virgin.
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1. Qualitative Analysis of Chlorinated Paraffins in Recycled Plastics
University essay from Örebro universitet/Institutionen för naturvetenskap och teknikAbstract : Described in many studies as dangerous for the environment and potentially carcinogenic for humans, Chlorinated Paraffins (CPs) are easily widespread due to their substantial production and use in different products. Previous studies reported the presence of CPs in different plastic polymers. READ MORE
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2. Risk assessment of non-intentionally added substances in polyester yarn made from recycled polyethylene terephthalate (PET)
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : Polyester is a synthetic material made from polyethylene terephthalate (PET), which is synthesised from fossil raw materials. Many clothing manufacturers are using polyester in their clothing, which, from an environmental perspective, creates a non-sustainable cycle. READ MORE
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3. Greening the grid of Indonesia - Second life application for Lithium-Ion Electric Vehicle batteries in Indonesia’s Energy System
University essay from Lunds universitet/InnovationAbstract : With the increasing energy demand from urban electrification, the growing economy and global warming, Indonesia has some extensive challenges ahead. Additionally, growing demand for Li-ion batteries is causing shortages of virgin battery minerals in parallel with the increasing demand for energy storage to accommodate electrification. READ MORE
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4. A Simulation-Based Decision Support Tool for Circularity : Remanufacturing of an Electric Machine Case Study
University essay from KTH/ProduktionsutvecklingAbstract : Over the last years, environmental concerns have grown regarding the pressure manufacturing activities exerts on natural resources. Many materials have been classified by the EU as scarce, rare earth elements found in magnets are amongst critical materials with high supply risk. READ MORE
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5. Impact of Residual Stress on the Warm Pre-Stressing Effect
University essay from KTH/HållfasthetsläraAbstract : Irradiation of a reactor pressure vessel (RPV) causes a shift of the ductile to brittle transition region towards higher temperature regions. In the event of a pressurized thermal shock (PTS), where the temperature drops drastically, the ductile to brittle transition region might be entered for irradiated ferritic steel. READ MORE