Results 61 to 70 of about 112,917 (304)

Synthesis and Surface Modification of Iron Oxide Nanoparticles for the Extraction of Cadmium Ions in Food and Water Samples: A Chemometric Study

open access: yesSeparations, 2023
In this project, a prompt, efficient, and effective method for Cd2+ ions extraction from different food and water samples using magnetic dispersion-based solid phase extraction by functionalized iron oxide nanoparticles was proposed.
Faheem Shah, Munazza Ghafoor
doaj   +1 more source

Process modelling and techno-economic analysis of natural gas combined cycle integrated with calcium looping [PDF]

open access: yes, 2016
Calcium looping (CaL) is promising for large-scale CO2 capture in the power generation and industrial sectors due to the cheap sorbent used and the relatively low energy penalties achieved with this process. Because of the high operating temperatures the
Edward, Anthony   +4 more
core   +1 more source

Selective Benzene Capture by Metal‐Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) hold significant potential for capturing benzene from air emissions and hydrocarbon mixtures in liquid phases. This capability stems from their precisely engineered structures, versatile chemistries, and diverse binding interactions.
Zongsu Han   +4 more
wiley   +1 more source

Ecofriendly chitosan-based super sorbent obtained under microwave radiation for valuable metals recovery from wastewater

open access: yesPolymer Testing, 2022
This paper deals with the preparation and characterization of novel super-sorbent materials prepared from chitosan under microwave-assisted conditions according to Sustained Development principles applicable in valuable metals recovery.
Julia Radwan-Pragłowska   +8 more
doaj   +1 more source

Synthesis and sorption properties of filled fibrous sorbents with immobilized hetarylformazan groups [PDF]

open access: yes, 2003
New sorbents were prepared by immobilization of structurally different sulfur-containing hetaryl-formazans on nonwoven polyacrylonitrile fiber tilled with AV-17 anion exchanger.
Lipunov, I. N.   +4 more
core  

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

open access: yesAdvanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr   +7 more
wiley   +1 more source

Solid sorbent air sampler [PDF]

open access: yes, 1986
A fluid sampler for collecting a plurality of discrete samples over separate time intervals is described. The sampler comprises a sample assembly having an inlet and a plurality of discreet sample tubes each of which has inlet and outlet sides.
Galen, T. J.
core   +1 more source

Performance of silica-supported copper oxide sorbents for SOx/NOx-removal from flue gas II. Selective catalytic reduction of nitric oxide by ammonia [PDF]

open access: yes, 1992
The selective catalytic reduction (SCR) of nitric oxide by ammonia was studied for silica-supported copper oxide particles to be used as a sorbent/catalyst in a continuous process for the simultaneous removal of SOx and NOx from flue gases.
Edelaar, A.C.S.   +4 more
core   +2 more sources

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

open access: yesAdvanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian   +7 more
wiley   +1 more source

Wpływ hydrożeli na zawartość niektórych składników sałaty masłowej uprawianej w nieogrzewanym tunelu foliowym

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2022
W produkcji ogrodniczej poszukuje się składu podłoża, które zapewnia utrzymanie w środowisku korzeni optymalnych właściwości fizycznych, głównie powietrznych i wodnych.
Brygida Wierzbicka, Joanna Majkowska
doaj   +1 more source

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