Results 11 to 20 of about 7,204 (222)

Bioleaching as an Eco‐Friendly Nano‐Factory for Sustainable Inorganic Waste Management: Current Advancements, Challenges, and Opportunities [PDF]

open access: yesChemistryOpen
Inorganic waste management and metal recovery technology pose significant challenges to the global research community and policymakers. Bioleaching is an economical, eco‐friendly, and sustainable technology used for extracting metals and nanoparticles ...
Adhish Jaiswal   +7 more
doaj   +2 more sources

Recovery of Metals from Electronic Waste by Reduction Melting Method

open access: yesApplied Environmental Research, 2015
This study investigates application of the reduction melting method to recover metals from electronic wastes. The study began with determination of the optimal conditions for metal recovery from cathode ray tube (CRT) glass by melting under various ...
Pornpaitoon Laosombatthawee   +2 more
doaj   +7 more sources

Rational Design of a 3D Crown‐Based Material for the Selective Recovery of Silver Ions from Seawater and e‐Waste

open access: yesAdvanced Materials Interfaces, 2023
Silver recovery from sustainable sources such as seawater and e‐waste is critical for the conservation of land‐based resources and the reduction of the environmental impacts of e‐waste disposal.
Ismail Abdulazeez   +5 more
doaj   +1 more source

Towards sustainable metal recovery from e-waste: A mini review

open access: yesSustainable Chemistry for the Environment, 2023
E-waste seems to be the major concern in present day technological world. It is the high time to treat the e-waste and to prevent various adverse effects from e-waste pollution. Heavy metals present in the e-waste raises the concern to be worried. Various research and studies have been focused and developed on e-waste recycling.
S. Manikandan   +3 more
openaire   +2 more sources

Recovery of Rare Earth Elements by Carbon-Based Nanomaterials—A Review

open access: yesNanomaterials, 2019
Modern societies depend strongly on electronic and electric equipment (EEE) which has a side effect result on the large production of electronic wastes (e-waste).
Celso E. D. Cardoso   +5 more
doaj   +1 more source

Metal Extraction Processes for Electronic Waste and Existing Industrial Routes: A Review and Australian Perspective

open access: yesResources, 2014
The useful life of electrical and electronic equipment (EEE) has been shortened as a consequence of the advancement in technology and change in consumer patterns.
Abdul Khaliq   +3 more
doaj   +1 more source

A Potential Alternative for Precious Metal Recovery from E-waste: Iodine Leaching

open access: yesSeparation Science and Technology, 2015
Printed circuit board (PCB) is the essential part of electronic devices and has an important source of base and precious metals with high economic potential. In this study, selective leaching of gold from PCB was performed in an iodine-hydrogen peroxide (I2-H2O2) solution system.
Sahin, Merve   +5 more
openaire   +4 more sources

Directed evolution of enzymes at the crossroads of tradition and innovation

open access: yesFEBS Open Bio, EarlyView.
An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova   +2 more
wiley   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

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