Results 41 to 50 of about 2,201,882 (299)

Use of ion-exchange resins for purification of L-lactic acid-containing Rhizopus oryzae fermentation broth

Тонкие химические технологии
Objectives. The work set out to describe conditions for the purification of a model fermentation broth for cultivating the lactic acid-containing micromycete Rhizopus oryzae from impurities of inorganic salts using ion-exchange resins under dynamic ...
E. V. Pikurova, A. N. Boyandin, D. R. Serebryakov, N. L. Ertiletskaya, O. V. Anishchenko, A. A. Sukhanova   +5 more
doaj   +1 more source

Evaluation of a new, macroporous polyvinylpyridine resin for processing plutonium using nitrate anion exchange [PDF]

, 1989
Anion exchange in nitric acid is the major aqueous process used to recover and purify plutonium from impure scrap materials. Most strong-base anion exchange resins incorporate a styrene-divinylbenzene copolymer.
S.F. Marsh, Marsh, S.F.
core   +1 more source

ML Workflows for Screening Degradation‐Relevant Properties of Forever Chemicals

Advanced Science, EarlyView.
The environmental persistence of per‐ and polyfluoroalkyl substances (PFAS) necessitates efficient remediation strategies. This study presents physics‐informed machine learning workflows that accurately predict critical degradation properties, including bond dissociation energies and polarizability.
Pranoy Ray, Andrew R. Castillo, Manoj Kolel‐Veetil, Surya R. Kalidindi   +3 more
wiley   +1 more source

The elution of platinum and palladium cyanide from strong base anion exchange resins

, 2017
© 2017 Elsevier B.V.The paper discusses the elution of platinum cyanide and palladium cyanide from strong base anion exchange resins, namely Amberlite PWA5 and Minix, with the use of acidic thiourea, potassium thiocyanate and zinc cyanide.
G. Akdogan (23305411), S. Bradshaw (23337892), E. Schoeman (23408809), C. Snyders (23344180), Jacobus Eksteen (23291077)   +4 more
core   +2 more sources

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

Processing of Chloride-Containing Productive Solutions after Uranium in situ Leaching by Ion Exchange Method

Indonesian Journal of Chemistry, 2019
The uranium sorption from productive solutions containing chloride ions using anion-exchange resins was investigated. The VPAE ion exchanger had the highest values of the sorption capacity, which for the experiment in the static mode was 13 kg U m-3, and
Svetlana Titova, Sergey Skripchenko, Alexey Smirnov, Vladimir Rychkov   +3 more
doaj   +1 more source

Sustainable Treatment and Resource Recovery of Anion Exchange Spent Brine by Pilot-Scale Electrodialysis and Ultrafiltration

Membranes, 2022
The anion exchange (AIX) spent brine, generated during the NDMP-3 resin regeneration process, highly loaded with organic substances mainly humic substances (HSs) and salts (mainly NaCl) remains an environmental concern. In this study, pilot-scale electro
Hongfang Sun, Daoxu Zhu, Peng Shi, Wenxiang Ji, Xun Cao, Shi Cheng, Yufeng Lou, Aimin Li   +7 more
doaj   +1 more source

High-efficiency 99Tc separation from contaminated liquid waste using some anion exchange resins [PDF]

99Tc removal from contaminated aqueous solution was explored using some commercially available anion exchange resins with various specifications. Various combinations of physicochemical parameters like polymeric network, pore diameter, percent cross ...
DEBASISH, DAS
core   +1 more source

Recent Advances in Carbon Cathode Materials toward High‐Performing Zinc‐Ion Hybrid Supercapacitors

Advanced Science, EarlyView.
Aqueous zinc‐ion hybrid supercapacitors (ZHSCs) have emerged as promising next‐generation electrochemical energy‐storage devices. Porous carbon materials have been extensively studied as cathodes, with advances in tailoring pore structures and material properties to enhance performance.
Take Hirooka, Zhaolin Liu, Ivan P. Parkin, Guanjie He   +3 more
wiley   +1 more source

Recoveries of Ru(III) and Co(II) by Solvent Extraction and Ion Exchange from Tungsten Carbide-Cobalt Scrap through a HCl Leaching Solution

Metals, 2019
The addition of ruthenium to tungsten carbide-cobalt hard metals improves their mechanical properties. Since ruthenium is a platinum group metal, the recovery of ruthenium together with cobalt from the scrap of hard metals is of great importance.
Hyeong Hun Ahn, Man Seung Lee
doaj   +1 more source