Results 11 to 20 of about 117,880 (312)

The Challenges and Advances in Recycling/Re-Using Powder for Metal 3D Printing: A Comprehensive Review

open access: yesMetals
This review explores the critical role of powder quality in metal 3D printing and the importance of effective powder recycling strategies. It covers various metal 3D printing technologies, in particular Selective Laser Melting, Electron Beam Melting ...
Alex Lanzutti, Elia Marin
doaj   +3 more sources

Pre-Treatment Characteristics for LCD Glass Recycling: Dismantling, Crushing, and Separation [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
A liquid crystal display (LCD) recycling process is needed to increase its efficiency by recovering the resources in addition to metals and plastics. This study investigates the pre-treatment process for recycling LCD glass.
Seyul Kim   +4 more
doaj   +1 more source

Comparative study of selected indoor concentration from selective laser sintering process using virgin and recycled polyamide nylon (pa12) [PDF]

open access: yes, 2019
Additive manufacturing (AM) stands out as one of the promising technologies that have huge potential towards manufacturing industry. The study on additive manufacturing impact on the environment and occupational exposure are attracting growing ...
  +14 more
core   +1 more source

Research on Key Technologies of Wood Plastic Composites Recycling [PDF]

open access: yesSHS Web of Conferences, 2022
By recycling some plastics and wood powder for the production of plastic wood, the products of the project realize the recycling of waste plastics, save forest resources and contribute to the harmonious development of the environment and society.
Meng Feiyan, Zhang Ziyan
doaj   +1 more source

Recycling of used vegetable oils by powder adsorption

open access: yesWaste Management & Research: The Journal for a Sustainable Circular Economy, 2022
The treatment of used vegetable oil (UVO) with seven different adsorbents and through two different procedures (stirring and gravity filtration) was explored. Important differences in terms of density, turbidity, electrical resistance, free fatty acids (FFAs) content and relative fatty acid distribution were observed.
Mannu, Alberto   +7 more
openaire   +5 more sources

SWOT-assessment of recycling materials for cheap explosives used in the development of fields in the Russian Arctic zone [PDF]

open access: yesE3S Web of Conferences, 2021
The recycling potential is being actualized due to the trends in the production and use of powder and liquid combustible materials from the waste of a mining enterprise in the production cycle of mining, enrichment and processing (polymer packaging and ...
Frantov Alexandre
doaj   +1 more source

Cutting-edge industrial technology of mining tool manufacturing [PDF]

open access: yes, 2016
Purpose. To conduct a comparative economic analysis of cermet alloys regeneration technology, to identify the most “environmentally friendly” and cost-effective processing of solid alloys waste. Methods.
Gurenko, A, Naumenko, O, Savchenko, Iu
core   +2 more sources

ZnO/ionic liquid catalyzed biodiesel production from renewable and waste lipids as feedstocks [PDF]

open access: yes, 2019
A new protocol for biodiesel production is proposed, based on a binary ZnO/TBAI (TBAI = tetrabutylammonium iodide) catalytic system. Zinc oxide acts as a heterogeneous, bifunctional Lewis acid/base catalyst, while TBAI plays the role of phase transfer ...
Casiello, Michele   +8 more
core   +1 more source

An Efficient Process for Recycling Nd–Fe–B Sludge as High-Performance Sintered Magnets

open access: yesEngineering, 2020
Given the increasing concern regarding the global decline in rare earth reserves and the environmental burden from current wet-process recycling techniques, it is urgent to develop an efficient recycling technique for leftover sludge from the ...
Xiaowen Yin   +10 more
doaj   +1 more source

Sustainable Recycling of Insoluble Rust Waste for the Synthesis of Iron-Containing Perovskite-Type Catalysts [PDF]

open access: yes, 2019
Insoluble rust waste from the scraping of rusted iron-containing materials represents a cheap, eco-friendly, and available source of iron. LaFeO3 perovskite-type powders were successfully prepared by solution combustion synthesis using rust waste from an
Deganello, F.   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy