Results 11 to 20 of about 270 (141)

Oxidative destruction of anionite AV-17×8 using the Fenton reaction [PDF]

open access: yesChimica Techno Acta, 2021
The kinetic studies of AV-17×8 strongly basic anionite’s oxidative destruction using the Fenton reaction have been carried out. The effect of the process’s temperature and the concentration of catalysts of iron(II) sulfate or copper(II) sulfate on the ...
M. M. Kozlova   +2 more
doaj   +2 more sources

Sorption of Perrhenate Ions by a New Anion Exchanger Based on an Oligomer of Epichlorohydrin and 4-vinylpyridine [PDF]

open access: yesEurasian Chemico-Technological Journal, 2013
In this study, oligomer epichlorohydrine (OECH) was crosslinked with 4-vinylpyridin (VP) present initiator of peroxide benzoyl (BP). The resulting anionite (OECH-VP) was characterized by scanning electron microscopy (SEM) and tested for perrhenate ions ...
A. Pidakhmet   +3 more
doaj   +2 more sources

Modern technologies in the system of regeneration and purification of boron concentrate [PDF]

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2017
The analysis of the efficiency of the technological chain of a typical installation (device) SVO-6 is performed. Characteristic drawbacks, inherent in combined “evaporation-ion-exchange filtration” systems conditional to the properties of boric acid and ...
Dorozh Оlga А.   +2 more
doaj   +8 more sources

Studies of the rate of gold sorption by the AM-2B anionite from cyanide-alkaline solutions [PDF]

open access: yes, 2022
The paper presents the results of studies on the sorption leaching of gold-containing ore of the Vasilkovskoye deposit. Kinetic dependences of the sorption of gold and associated metals from cyanide-alkali solutions under different physical and chemical ...
Kaumetova, DS   +4 more
core   +2 more sources

Ion exchange demineralization and water softening with increased level of salinity and hardness

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
This work lies in the range of science topics on creation of low-waste demineralization technology of light-salted natural and waste water. The aim of this work is to study the sorption processes of chlorides and sulfates on anion exchange resin AV-17-8
І.М. Макаренко   +2 more
doaj   +5 more sources

Rhenium recovery from highly concentrated sulfuric media using AMR anionite in column mode [PDF]

open access: yes, 2022
The paper deals with the study of rhenium recovery by AMR anionite from model high-acidic sulfuric solution as well as its desorption by ammonia solution in column experiments. Total dynamic exchange capacity was calculated.
Shestak, Yurii   +4 more
core   +1 more source

CALCULATION OF ION EXCHANGE COLUMN FOR PURIFYING OF LITHIUM HYDROXIDE SOLUTION FROM CHLORINE ANIONS

open access: yesSiberian Journal of Life Sciences and Agriculture, 2021
In the article possibility of water solution LiOH tertiary treatment from chlorine anions after electrolysis is viewed. Analyzing the existing purification methods, it is proposed to use the purification of lithium hydroxide in an ion exchange column.
Alexander B. Golovanchikov   +3 more
doaj   +1 more source

Increasing the efficiency of rare earth metal recovery from technological solutions during processing of apatite raw materials

open access: yesЗаписки Горного института, 2021
The issues of complex processing of mineral resources are relevant due to the depletion of available raw materials. So, it is necessary to involve technological waste, generated during the processing of raw materials, to obtain valuable components.
Maria A. Ponomareva   +3 more
doaj   +1 more source

ON A NEW TECHNOLOGY OF PREPARATION OF HOT DRINKING WATER

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2017
The present article contains information concerning the new Cl-anionization technology in the preparation of hot drinking water. In contrast with water softening, that replaces all the hardness salts by sodium cations in the cation exchanger, this new ...
M. F. Jalilov   +2 more
doaj   +1 more source

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