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  3. Volume 14, Number 1, 2020
  4. Improving the Method for Producing Adsorbents from Agro-Industrial Wastes

Improving the Method for Producing Adsorbents from Agro-Industrial Wastes

JCCT.
2020;
Volume 14, Number 1
: pp. 102 - 108
https://doi.org/10.23939/chcht14.01.102
Authors:
  1. Volodymyr Shmandiy
  2. Olena Kharlamova
  3. Myroslav Malovanyy
  4. Lilija Bezdeneznych
  5. Tetyana Rigas
1
Kremenchuk Mykhailo Ostohradskyi National University
2
Kremenchuk Mykhailo Ostohradskyi National University
3
Lviv Polytechnic National University
4
Kremenchuk Mykhailo Ostrohradskiy National University
5
Kremenchuk Mykhailo Ostohradskyi National University

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.

adsorbent
agro-industrial wastes
mechanochemical modification
electrostatic separation
cavitation
ecological safety
purification
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