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  4. Рhysical and chemical principles of technology of production of adsorbents of silicate nature

Рhysical and chemical principles of technology of production of adsorbents of silicate nature

CTAS.
2025;
Volume 8, Number 1
Authors:
  1. R. I. Semegen
  2. A.S. Danelskaya
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University

This study investigates the effect of thermoactivation temperature on the pore characteristics of zeolites from the Sokyrnytsia deposit and local tuffaceous rock at 600, 800, and 1000°C, as well as on the sorption properties of the materials under water absorption conditions. A series of compositions for adsorbent production using ceramic processing techniques has been developed. The influence of firing temperature on the formation of the porous structure of the materials has been examined. A formulation comprising zeolite, bentonite, and local gray clay, supplemented with finely ground cellulose, was designed. Upon firing at 800°C, an adsorbent with a porosity of 46.50% was obtained. The developed materials were tested under industrial conditions at LLC "POLIKEM" for water absorption applications in the production of alkyd varnish "Alkydox 270."

adsorbents
zeolites
bentonite
polymineral clays
thermoactivation
firing
water absorption
total porosity
bulk density
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