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Properties, Purification, and Applications of Phosphogypsum: A Comprehensive Review Towards Circular Economy
Springer Science and Business Media LLC - - 2024
Phosphogypsum (PG) is a by-product produced during the wet process of phosphoric acid (H3PO4) production from natural phosphate rocks. Approximately 4–6 tons of PG is produced per ton of phosphoric acid production, where worldwide PG generation exceeds 300 million tons annually. The vast majority of produced PG is discarded irresponsibly, leading to significant environmental and health consequence......
Hành Vi Hấp Phụ, Chuyển Đổi Thủy Tinh và Tính Dễ Chảy Của Bột Phụ Phẩm Cam Dịch bởi AI
Springer Science and Business Media LLC - Tập 3 - Trang 1-8 - 2021
Mục tiêu của nghiên cứu này là đóng góp 100% vào các mô hình kinh tế tuần hoàn của ngành công nghiệp nông sản thực phẩm thông qua việc nâng cao giá trị của toàn bộ phụ phẩm nước cam, nhằm cung cấp một nguyên liệu thực phẩm bột tự nhiên, đa năng, chất lượng cao và ổn định cho dinh dưỡng con người. Việc biến nó thành một sản phẩm đổi mới tiết kiệm chi phí, với giá trị gia tăng nhờ vào hàm lượng cao ......
#kinh tế tuần hoàn #phụ phẩm cam #bột thực phẩm #hợp chất sinh học #tính dễ chảy
Altered Properties: Introducing a Novel Circular Cellulose–Based Binder for Printing Textile Finishes
Springer Science and Business Media LLC - Tập 5 - Trang 1-13 - 2023
Technologies for regenerating post-consumer cellulose-based textiles are heralded as one of the solutions in achieving a circular economy for textiles. These chemical recycling processes are often focused on the like-for-like replacement of environmentally impactful textile fibres with waste-derived man-made cellulosic fibres. Regenerated cellulose materials that are not suitable for the fibre pro......
Sorting and Recycling of Lightweight Packaging in Germany — Climate Impacts and Options for Increasing Circularity Using Tracer-Based-Sorting
Springer Science and Business Media LLC - Tập 3 - Trang 1-15 - 2021
This paper elaborates an energy and material flow model for conventional lightweight packaging sorting and recycling in Germany based on literature analysis and information provided by industry experts. The model is used to determine specific energy and material demands of particular lightweight packaging fractions and their respective climate impacts. Fluorescent-based identification techniques, ......
LCA and LCC Analysis of the Recovering and Reusing Scenario of Metal-Plastic Process Scraps
Springer Science and Business Media LLC - Tập 6 - Trang 1-11 - 2024
The paper investigates the environmental and economic benefits of the possible scenario of recovering and reusing a process scrap in closed loop, by means of the Life Cycle Assessment (LCA) and Life Cycle Costing (LCC) method. As case study a manufacturing process of a large company based in Portugal was utilized. The company demand is to possibly innovate the manufacturing process of one of their......
Nitrogen-Doped Activated Biocarbon from the Agroindustrial Residue of Jatropha Oilcake for Symmetric Supercapacitors: a Study on the Effect of Activation Temperature
Springer Science and Business Media LLC - Tập 6 - Trang 1-16 - 2023
The nitrogen-doped activated biocarbons were synthesized from jatropha oilcake (agro industrial residues)–derived hydrochars via KOH-mediated chemical activation at various temperatures of 600, 700, and 800 °C for 1 h under N2 gas flow. The effects of activation temperatures on the physicochemical, morphological, and capacitive performance of nitrogen-doped activated biocarbon materials were inves......
Effects of Dry Etching Plasma Treatments on Natural and Synthetics Fibers: a Comparative Study
Springer Science and Business Media LLC - Tập 4 - Trang 1-5 - 2022
Nowadays, natural and synthetic fibers are becoming a valuable resource for composite industry. The use of natural and synthetic fibers as reinforcement of polymeric matrices has many advantages: it betters mechanical properties per unit of weight, decreases the cost of manufacturing per unit of volume and, among other things, it is environmentally friendly. Despite all of this, the low compatibil......
X-ray Based Robotic E-Waste Fractionation for Improved Material Recovery
Springer Science and Business Media LLC - Tập 5 - Trang 1-9 - 2022
Small handheld battery-powered devices contain complex material combinations. Current recycling methods achieve low recycling rates for these materials. For a more efficient recycling, fractionation of the devices according to the material composition before a mechanical shredding is helpful. However, this requires either manual disassembly or knowledge of the internal structure of the devices, wh......
Decommissioning Inventory for Wind Turbine Blades Installed Until 2022 in Europe
Springer Science and Business Media LLC - Tập 5 - Trang 1-8 - 2023
Wind turbines (WT) components have established recycling routes. However, wind turbines blades (WTBs) composite materials present unique challenges for recycling. This study aims to develop a comprehensive decommissioning inventory of wind turbines installed in Europe up to the year 2022, with a focus on accounting for the end-of-life (EoL) mass of WTBs composite materials. The inventory provides ......
Building Circular Economy for Smart Textiles, Smart Clothing, and Future Wearables
Springer Science and Business Media LLC - Tập 2 - Trang 1-4 - 2020
As the textile and garment industries aim at minimizing the impact caused by mass fabrication, fast consumption and relatively short utility span of materials and products, they focus on Circular Economy (CE) principles as a feasible solution. In order to build a new practice, lifestyle and ecology under the upcoming CE transition, in this manuscript we propose new approaches to implement concepts......
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