Comparative Study of Water and Milk Kefir Grains as Biopolymeric Adsorbents for Copper(II) and Arsenic(V) Removal from Aqueous Solutions

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F24%3APU154958" target="_blank" >RIV/00216305:26310/24:PU154958 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21110/24:00378278 RIV/61989100:27350/24:10256312

Result on the web

<a href="https://www.mdpi.com/2073-4360/16/23/3340" target="_blank" >https://www.mdpi.com/2073-4360/16/23/3340</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/polym16233340" target="_blank" >10.3390/polym16233340</a>

Result language

angličtina

Original language name

Comparative Study of Water and Milk Kefir Grains as Biopolymeric Adsorbents for Copper(II) and Arsenic(V) Removal from Aqueous Solutions

Original language description

This study investigates the biosorption capabilities of kefir grains, a polysaccharide-based byproduct of the fermentation process, for removing copper(II) and arsenic(V) from contaminated water. Unlike traditional heavy-metal removal methods, which are typically expensive and involve environmentally harmful chemicals, biopolymeric materials such as kefir grains provide a sustainable and cost-effective alternative for adsorbing hazardous inorganic pollutants from aqueous solutions. Our experimental results revealed significant differences in the sorption capacities of two types of kefir grains. Grains of milk kefir outperformed water kefir, particularly in copper(II) removal, achieving up to 95% efficiency at low copper concentrations (0.16 mmol<middle dot>L-1) and demonstrating a maximum sorption capacity of 49 mu mol<middle dot>g-1. In contrast, water kefir grains achieved only 35.5% maximum removal efficiency and exhibited lower sorption capacity. For arsenic(V) removal, milk kefir grains also showed superior performance, removing up to 56% of arsenic in diluted solution with experimental sorption capacities reaching up to 20 mu mol<middle dot>g-1, whereas water kefir grains achieved a maximum removal efficiency of 34.5%. However, these findings also suggest that while kefir grains show potential as low-cost biosorbents, further modifications are needed to enhance their competitiveness for large-scale water treatment applications.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10400 - Chemical sciences

Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Polymers

ISSN

2073-4360

e-ISSN

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Volume of the periodical

16

Issue of the periodical within the volume

23

Country of publishing house

CH - SWITZERLAND

Number of pages

19

Pages from-to

„“-„“

UT code for WoS article

001376134800001

EID of the result in the Scopus database

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