Specific features of sorption of chromium(VI) anions by VION fibrous chemisorbents

Zverev, M. P.; Zverev, O. M.; Abdulkhakova, Z. Z.; Polovikhina, L. A.; Dovbii, E. V.; Sil'chenkov, D. G.

doi:10.1134/s1070427207040088

Cited by 2 publications

(2 citation statements)

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“…Russia has mastered the production of polymer fibrous ionexchange materialsweak-acid cation resin KN-1, strong base anion-exchange resin AS-1 and weak base anion-exchange resin AN-1 [9]. The specified materials are characterized by increased chemical resistance in wide рН ranges containing strong oxidizers and their ability to maintain the repeated cycles "sorption-regeneration" without losing initial absorbing and strength characteristics.…”

Section: Imentioning

confidence: 99%

Hygienic Efficiency of Treatment Strongly Polluted Industrial Waste Water Using Fibrous Ion-Exchange Materials

Trukhina¹,

Skupnevskiy²

2019

Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" Dedicated to the

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The paper analyzes polymer fibrous ion-exchange materials on the basis of polyacrylonitrile matrix released as KN-1 cation exchanger and AS-1 and AN-1 anion exchangers. The purpose is to study the sorption properties of the specified materials in relation to multicomponent salt solutions of heavy metals. According to obtained results, the exchange processes are characterized by high speed, and materialsby high exchange capacity. The cascade filtration purifies heavily polluted industrial waste waters to the levels of 10-3 mg/l of Pb (II), Zn(II), CD (II), Cu(II), Mo(VI), W(VI) thus fully satisfying hygienic requirements. The advantages of the studied materials include low flow resistance, a possibility of repeated regeneration (with acid and alkali) with desorption of valuable components and creation of waste-free or low-waste technologies on their basis.

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Section: Imentioning

confidence: 99%

Hygienic Efficiency of Treatment Strongly Polluted Industrial Waste Water Using Fibrous Ion-Exchange Materials

Trukhina¹,

Skupnevskiy²

2019

Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" Dedicated to the

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“…Эти ионообменные сорбенты используют для удаления следов комплексообразующих металлов из органических растворителей, из воды и водных растворов солей самых разнообразных металлов [1,2]. В настоящее время существенно расширился ассортимент комплексообразующих сорбентов, что связано с разработкой методов синтеза, позволяющих вводить в полимерную матрицу разнообразные высокоселективные группы, способные к образованию прочных комплексов с ионами металлов [3][4][5][6]. Волокнистые комплексообразующие сорбен-ты благодаря существенным преимуществам перед гранульными нашли широкое применение для концентрирования микроэлементов в аналитической практике [7][8][9].…”

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Sorption properties of new fibrous chelate ion exchanger

Грачек¹,

Шункевич²,

Polikarpov³

et al. 2020

Vescì Akademìì navuk Belarusì. Seryâ himičnyh navuk

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The sorption properties of new iminodiacetate fibrous cation exchanger FIBAN XC-1 synthesized on a chemically resistant matrix of polypropylene fiber with a grafted copolymer of styrene and divinylbenzene, which can withstand elevated temperatures and aggressive environments, were studied. It was shown that the fibrous chelate ion exchanger FIBAN XC-1 is an effective sorbent of heavy and non-ferrous metals from multi-ionic aqueous solutions under static and dynamic conditions. It was found that the cation exchanger operates at high speeds up to 20 column volumes / min in water purification from copper and lead ions (purification from Cu2+ – 82 % and purification from Pb2+– 65 %). It was found that the fibrous chelate ion exchanger FIBAN XC-1 is easily regenerated and does not lose its sorption and mechanical properties in the sorption– regeneration cycles.

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Specific features of sorption of chromium(VI) anions by VION fibrous chemisorbents

Cited by 2 publications

References 1 publication

Hygienic Efficiency of Treatment Strongly Polluted Industrial Waste Water Using Fibrous Ion-Exchange Materials

Hygienic Efficiency of Treatment Strongly Polluted Industrial Waste Water Using Fibrous Ion-Exchange Materials

Sorption properties of new fibrous chelate ion exchanger

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