Results 21 to 30 of about 134,803 (296)

Calcium carbonate synthesis with prescribed properties based on liquid waste of soda production

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2016
A promising direction in solving of environmental problems of soda industry is the development of low-waste resource-saving technologies, which consist in recycling of valuable waste components with obtaining the commercial products.
E.O. Mikhailova   +2 more
doaj   +3 more sources

Investigation of the parametar influences of UV/H2O2 process on humic acid degradation [PDF]

open access: yesHemijska Industrija, 2010
Degradation of the humic acids (HA) in aqueous solution by UV radiation in the presence of H2O2 (UV/H2O2 process) was investigated. Low-pressure mercury vapor lamps with the emission maximum at 253.7 nm were used as a UV light source.
Veselinović Aleksandar M.   +6 more
doaj   +1 more source

Using small molecules to facilitate exchange of bicarbonate and chloride anions across liposomal membranes [PDF]

open access: yes, 2009
Bicarbonate is involved in a wide range of biological processes, which include respiration, regulation of intracellular pH and fertilization. In this study we use a combination of NMR spectroscopy and ion-selective electrode techniques to show that the ...
Oluyomi A. Okunola   +13 more
core   +1 more source

Alkaline Autoclave Leaching of Refractory Uranium-Thorium Minerals [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2011
This paper deals a with the study of an innovative method for processing the Oman placer ores by alkaline leaching in ball mill autoclaves, where grinding and leaching of the refractory minerals take place simultaneously.
S A. Milani, A Sam
doaj  

Sulfate radicals-based degradation of antraquinone textile dye in a plug flow photoreactor [PDF]

open access: yesJournal of the Serbian Chemical Society, 2019
The study evaluated the degradation of the antraquinone textile dye reactive blue 19, a frequently used dye in the textile industry, by means of sulfate radicals.
Mitrović Jelena   +6 more
doaj   +1 more source

The effects of temperature and pH on the dissolution and passivation processes of copper in carbonate-bicarbonate solutions [PDF]

open access: yesJournal of the Brazilian Chemical Society, 1997
Electrochemical studies of polycrystalline copper electrodes in carbonate-bicarbonate solutions analyzing both temperature and pH effects were carried out, covering a wide range of electrolyte composition in the 5-65 °C range. Hydrodynamic conditions were also considered.
Ribotta, S.B., Folquer, M.E.
openaire   +3 more sources

Precipitating sandy aluminium hydroxide from sodium aluminate solution by the neutralization of sodium bicarbonate

open access: yes, 2009
In the sinter process for alumina production, it is still difficult to produce sandy aluminium hydroxide by the carbonation of sodium aluminate solution.
Li, Yan   +4 more
core   +1 more source

A Water-Soluble Epoxy-Based Green Crosslinking System for Stabilizing PVA Nanofibers

open access: yesMolecules, 2022
With the ever-growing concern about environmental conservation, green production and water-based nanofibers have attracted more and more interest from both academic and industrial fields; nevertheless, the stabilization process of water-based nanofibers ...
Yujian Zhang   +3 more
doaj   +1 more source

Electrogenic sodium-bicarbonate cotransport in human ciliary muscle cells

open access: yes, 1992
We investigated membrane voltage and intracellular pH (pHi) in cultured human ciliary muscle cells using a cell line (H7CM) and primary-cultured human ciliary muscle cells.
Lepple-Wienhues, A.   +9 more
core   +1 more source

New Insight on Carbon Dioxide‐Mediated Hydrogen Production**

open access: yesChemistryOpen, 2022
A new approach to hydrogen production from water is described. This simple method is based on carbon dioxide‐mediated water decomposition under UV radiation.
Prof. Dr. Antoni W. Morawski   +11 more
doaj   +1 more source

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