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Improving the Method for Producing Adsorbents from Agro-Industrial Wastes

Volodymyr Shmandiy1, Olena Kharlamova1, Myroslav Malovanyy2, Lilija Bezdeneznych1, Tetyana Rigas1
Affiliation: 
1 Kremenchuk Mykhailo Ostrohradskiy National University, 20, Pershotravneva St., 39600 Kremenchuk, Ukraine sefira@mail.ru 2 Lviv Polytechnic National University, 12, S.Bandery St., 79013 Lviv, Ukraine
DOI: 
https://doi.org/10.23939/chcht14.01.102
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Keywords:

Abstract: 
A multi-stage method for producing an absorbent with increased absorption capacity based on agro-industrial wastes has been proposed. The method includes treatment of raw materials with sulfuric acid, mechanochemical modification, electrostatic separation, and cavitation stage. The expediency of the proposed adsorbent usage in the process of purification of contaminated water from fats, phenols, petroleum products, and heavy metal ions has been proved. The complex application of adsorbents (absorption of gaseous pollutants and wastewater purification) has been tested. Adsorption properties relative to pollutants extraction were found to be better for obtained adsorbents compared with natural absorbents and activated carbon.
References: 

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