Results 11 to 20 of about 558,452 (194)

Extractive Metallurgy and Chemistry

open access: yesCrystals, 2023
In recent years, the proper management and recycling of metallurgical waste have become increasingly important due to their significant environmental impact and the potential for the recovery of valuable metals in order to save natural resources [...]
Dmitry Zinoveev   +2 more
openaire   +2 more sources

Chiral separation by enantioselective liquid–liquid extraction [PDF]

open access: yes, 2011
The literature on enantioselective liquid–liquid extraction (ELLE) spans more than half a century of research. Nonetheless, a comprehensive overview has not appeared during the past few decades.
Feringa, Ben L.,   +5 more
core   +2 more sources

Heavy metal contamination in some soils of the McMurdo Sound region, Antarctica [PDF]

open access: yes, 1995
Soil samples from eight sites at Marble Point and Pram Point, McMurdo Sound region, contaminated by human activities were examined for heavy metal content, using sequential extraction methods.
Amin, Z.H.   +4 more
core   +2 more sources

Hydrous Manganese Oxide Doped Gel Probe Sampler for Measuring In Situ Reductive Dissolution Rates. 2. Field Deployment [PDF]

open access: yes, 2010
In situ rates of reductive dissolution in submerged shoreline sediments at Lake Tegel (Berlin, Germany) were measured with a novel hydrous manganese (Mn) oxide-doped gel probe sampler in concert with equilibrium gel probe and sequential extraction ...
Farnsworth, Claire E.   +3 more
core   +2 more sources

Spectrum imaging of complex nanostructures using DualEELS: I. digital extraction replicas [PDF]

open access: yes, 2015
This paper shows how it is possible to use Dual Electron Energy Loss Spectroscopy (DualEELS) to digitally extract spectrum images for one phase of interest in a complex nanostructured specimen. The specific cases studied here concern Nb or V precipitates,
Bobynko, Joanna   +2 more
core   +1 more source

Potential of choline chloride - based natural deep eutectic solvents (NaDES) in the extraction of microalgal metabolites [PDF]

open access: yes, 2017
In a typical chemical process, the solvents are widely used for the dissolution of the reagents, to favor the kinetics and the thermodynamics of a chemical reaction, for the extraction of products, for the separation of mixtures.
Bravi, Marco   +2 more
core   +1 more source

Solvent extraction: the coordination chemistry behind extractive metallurgy

open access: yesChem. Soc. Rev., 2014
AbstractReview: 49 refs.
Wilson, A Matthew   +5 more
openaire   +6 more sources

Connecting frontier research with industrial development : Lanthanide and Actinide Chemistry in the European f-Element Network (EUFEN) [PDF]

open access: yes, 2015
The chemistry of f-elements, even though often not known to the general public, forms part of many industrial processes, manufacturing and medical applications, such as medical imaging (e.g.
Baisch, Ulrich
core   +1 more source

Cellulosic materials as biopolymers and supercritical CO2as a green process: chemistry and applications [PDF]

open access: yes, 2012
In this review, we describe the use of supercritical CO2 (scCO2) in several cellulose applications. The focus is on different technologies that either exist or are expected to emerge in the near future.
Camy, Séverine   +2 more
core   +2 more sources

An eco-friendly, tunable and scalable method for producing porous functional nanomaterials designed using molecular interactions [PDF]

open access: yes, 2017
Despite significant improvements in the synthesis of templated silica materials, post-synthesis purification remains highly expensive and renders the materials industrially unviable.
Centi, A.   +4 more
core   +1 more source

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