Results 51 to 60 of about 2,599 (228)

Advanced Materials in Responsible Electronics: Innovations for Sustainability, Health, and Circularity

open access: yesAdvanced Materials Technologies, Volume 10, Issue 23, December 3, 2025.
Contemporary electronic devices produce significant waste, harming ecosystems. Innovation in design, consumption, materials, and end‐of‐life management is crucial. This review explores advanced materials for sustainable and responsible electronics, highlighting their potential to reduce environmental and health hazards while improving device ...
Rawan Omar   +7 more
wiley   +1 more source

Characterization of Double Leached Waelz Oxide for Identification of Fluoride Mineral

open access: yesMetals, 2019
Double leached Waelz oxide (DLWO), with 76% zinc, is a secondary zinc containing raw materials obtained by the treatment of electric arc furnace dust. The content of fluoride in DLWO is still too high for direct leaching, as fluoride has a detrimental ...
Suchandra Sar   +4 more
doaj   +1 more source

Treatment of refinery crude oil tank sludge : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Environmental Engineering at Massey University [PDF]

open access: yes, 1999
Appendix A-5 held on floppy disk. Please consult print copy in Library.The treatment and disposal of oil refinery tank sludge is a critical issue among oil refineries.
Guan Hing, Jose B
core  

The optimal use of tris-2-ethylhexylamine to recover hydrochloric acid and metals from leach solutions and comparison with other extractants [PDF]

open access: yes, 2018
This document is the Accepted Manuscript version of the following article: Uchenna Kesieme, Andreas Chrysanthou, Maurizio Catulli, and Chu Yong Cheng, ‘The optimal use of tris-2-ethylhexylamine to recover hydrochloric acid and metals from leach solutions
Catulli, Maurizio   +3 more
core   +2 more sources

Bioleaching Microbial Community Metabolism and Composition Driven by Copper Sulphide Mineral Type

open access: yesEnvironmental Microbiology Reports, Volume 17, Issue 6, December 2025.
Bioleaching is a microbially mediated green technology for the recovery of metals from ore. Here, microbial consortia from a copper bioleaching column in Cyprus were cultivated on chalcopyrite (CuFeS2) and then sub‐cultured on chalcocite (Cu2S) and chalcopyrite to investigate how mineral type and surface chemistry influence microbial community ...
Katherine R. Lane   +9 more
wiley   +1 more source

Polyaniline anode for zinc electrowinning from sulfate electrolytes

open access: yesTransactions of Nonferrous Metals Society of China, 2010
Abstract Polyaniline (Pani) anode is tested to highlight the feasibility of reduction of both energy consumption and capital costs in zinc electrowinning from sulfate solution without any modification to the existing plant. Current density, electrolyte temperature, added gelatin, added Mn 2+ , oxygen-evolution potential, cell potential and long ...
Hui HUANG   +3 more
openaire   +1 more source

Ferric chloride leaching of the Delta sulfide ores and gold extraction from the leaching residue [PDF]

open access: yes, 1988
Conventional differential and bulk flotation processes have difficulties in achieving high recoveries with acceptable grades far zinc, lead and copper from the complex sulfide ores found at Tok, Alaska.
Lin, H.K., Rao, P.D.
core  

Study of Manganese and Phosphoric Acid on Dimensionally Stable Anodes During Zinc Electrowinning

open access: yesMaterials and Corrosion, Volume 76, Issue 11, Page 1697-1708, November 2025.
Study on the effect of dimensionally stable anodes replace of Pb–Ag alloy anode during zinc deposition. Adding phosphoric acid to the electrolyte to complex the manganic Mn3+ ion. Phosphoric acid leads to improve the performance of dimensionally stable anodes during zinc electrolysis.
Fusheng Liu   +5 more
wiley   +1 more source

Designs and Materials of Electrodes for Electrochemical Sensors

open access: yesChemElectroChem, Volume 12, Issue 19, October 3, 2025.
Nowadays, electrochemical sensors and biosensors play a crucial role in modern life. This work highlights the importance of electrode material selection and chip design in optimizing sensor performance. It provides a practical guide for choosing suitable materials and structural configurations tailored to specific sensing applications, aiming to ...
Pierre J. Obeid   +8 more
wiley   +1 more source

Scale-Up of Membrane-Based Zinc Recovery from Spent Pickling Acids of Hot-Dip Galvanizing

open access: yesMembranes, 2020
Zinc recovery from spent pickling acids (SPAs) can play an important role in achieving a circular economy in the galvanizing industry. This work evaluates the scale-up of membrane-based solvent extraction technology aimed at the selective separation of ...
Andrea Arguillarena   +5 more
doaj   +1 more source

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