Which priority area of science and technology corresponds to: fundamental scientific research on the most important problems of developing scientific, technical, socio-economic, socio-political, human potential to ensure the competitiveness of Ukraine in the world and the sustainable development of society and the state; new substances and materials
Research: fundamental
Perspective for further implementation in 2019-2023: to be continued as a fundamental
Research level: no analogues in the world
Patent: no.
What additional actions require further research: additional funding, modern scientific equipment.
Brief description, advantages, further prospects for application.
Studies of the interaction of glycerin (Gl) with acetone (Ac), acetic acid (AA) in the presence of acid-modified samples of bentonite (N-BNT), clinoptillolite (N-CPT), tripolite (N-TRP) were carried out. A characteristic feature of the studied processes is the need to change the reaction conditions when changing the carbonyl partner compound. The reaction kinetics is satisfactorily described by the Michaelis-Menten model. The optimal conditions for the H-modification (concentration of nitric and sulfuric acids, impregnation with solutions of cuprum(II) and cobalt(II) chlorides) of samples of natural CPT, H-BNT, TRP as catalysts for the transformation of Hl to cyclic acetals and acetins were revealed. It was found that the nature of the mineral acid (H2SO4, HNO3) does not affect the catalytic properties of the samples obtained by modifying the initial aluminosilicates with the corresponding acidic one.
The growth in biodiesel production objectively leads to the growth and volumes of HL, and therefore the utilization of this waste is very important, since HL can become an affordable and promising raw material for obtaining a wide range of various and valuable chemical compounds. At present, technologies have already been developed that allow the extraction of Hl with a purity of more than 98% from biodiesel production waste. The basis for the creation of such catalysts can be domestic natural aluminosilicates and silicas, the deposits and wastes of which are rich.