Results 11 to 20 of about 377,659 (302)

Advances in sorption systems for energy efficient heating and cooling [PDF]

open access: yes, 2017
At present there is important R&D in the field of sorption heating, cooling and thermal energy storage systems going on worldwide. Sorption systems can enable a more efficient use of renewable energies (solar, geothermal, etc.) both for domestic and ...
Cabeza, Luisa F., Schossig, Peter
core   +2 more sources

Preferential sorption versus preferential permeability in pervaporation [PDF]

open access: yes, 1985
Transport of liquids by pervaporation takes place by a solution—diffusion mechanism. In order to investigate the “solution part” of this transport model, preferential sorption has been compared with preferential permeability.
Franken, T.   +2 more
core   +3 more sources

Carbon Adsorbents and Catalysts Produced from Worked out Gas Mask Cartridges

open access: yesEurasian Chemico-Technological Journal, 2005
It is offered here the procedure of utilization of gas mask or respirator charge when operation term is expired. This technique enables to get not only high quality active carbon but also its oxidized variety that has properties of polyfunctional ...
N. T. Kartel   +3 more
doaj   +1 more source

Sorption of Perfluorochemicals to Granular Activated Carbon in the Presence of Ultrasound [PDF]

open access: yes, 2011
Perfluorochemicals (PFCs) are emerging pollutants of increasing public health and environmental concern due to their worldwide distribution, environmental persistence, and bioaccumulation potential.
Cheng, Jie   +3 more
core   +2 more sources

Comparative moisture and heat sorption properties of fibre and shiv derived from hemp and flax [PDF]

open access: yes, 2019
: Unlike many mineral-based insulation materials bio-based lignocellulosic fibre and shiv offer a number of benefits including thermal and hygroscopic properties. The microstructure, porosity and chemical compositions of the plant cell walls play a major
Ansell, Martin   +4 more
core   +2 more sources

Obtaining of zirconium silicate materials of aerogel type from aqueous solutions of Na2SiO3 and ZrOCl2 salts

open access: yesХімія, фізика та технологія поверхні, 2020
Aerogels are gels in which the liquid phase is completely replaced by a gaseous one. They form a new class of solids with a very low density, a large specific surface area and high porosity, which opens up wide possibilities for their practical ...
M. V. Kravchenko   +2 more
doaj   +1 more source

Uptake of tridodecylmethylammonium chloride by PVC [PDF]

open access: yes, 1977
The uptake of tridodecylmethylammonium chloride (TDMAC) by poly(vinyl chloride) has been investigated to provide a more quantitative basis for the preparation of blood-compatible surfaces based on TDMAC-heparin coatings.
Bantjes, A.   +3 more
core   +14 more sources

Rapid removal of ammonium from domestic wastewater using polymer hydrogels [PDF]

open access: yes, 2018
To date, technologies to recover ammonium from domestic wastewater from the mainstream have not found widespread application. This is largely due to the low ammonium concentrations in these wastewater streams.
Cruz, Heidy   +5 more
core   +2 more sources

Cation-containing active carbons as photocatalysts for dyes degradation

open access: yesХімія, фізика та технологія поверхні, 2017
We have oxidized commercial coconut-shell-based activated carbon Aquacarb 607C with nitric acid. Prepared oxidized active carbon has micro-mesoporous structure and contains surface carboxyl and phenol/enol groups.
V. V. Sydorchuk   +4 more
doaj   +1 more source

Dilation kinetics of glassy, aromatic polyimides induced by carbon dioxide sorption [PDF]

open access: yes, 1995
Over the past years, the equilibrium sorption of gases in polymers has been intensively studied. Mostly, glassy polymers were investigated because of their excellent selective mass transport properties.
Huisman, I.   +4 more
core   +2 more sources

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