Prof. Dr. Serhiy Pyshyev
Lviv Polytechnic National University, Lviv, L’vivs’ka Oblast’, Ukraine
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Academic Career Length
24Years (2003-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications25 December 2016 in Chemistry & Chemical Technology
Journal Article
Serhiy PyshyevVGVolodymyr Gunka
Volodymyr Gunka
YGYuriy Grytsenko
Yuriy Grytsenko
MBMichael Bratychak
Michael Bratychak
The main reasons and ways of bitumen modification by polymers were examined. Positive and negative aspects of the usage of different polymer modifiers (elastomers, thermoplastic elastomers, reactive polymers, thermoplastics) were analysed. The authors’ achievements concerning modification of bitumen by various polymers, namely indene-coumarone, petroleum, phenol-formaldehyde and epoxy resins, were described.
21 August 2020 in Road Materials and Pavement Design
Journal Article
Volodymyr GunkaYDYuriy Demchuk
Yuriy Demchuk
ISIurii Sidun
Iurii Sidun
DMDenis Miroshnichenko
Denis Miroshnichenko
BNBemgba B. Nyakuma
Bemgba B. Nyakuma
Serhiy PyshyevIn this study, the phenol-cresol-formaldehyde (PhCR-F) resin was synthesised from the phenolic fraction of coal tar resin and formaldehyde through polycondensation. The physico-mechanical properties of the asphalt concrete were subsequently characterised to examine its water saturation, coefficient of long-term water-resistance (after 15 and 30 days), and compressive strength (at 20°C and 50°C). The results revealed that the addition of PhCR-F markedly increased the adhesion index with the surface of granite aggregates and glass before and after heating the bitumen. Furthermore, the PhCR-F addition enhanced the bitumen softening point, long-term water resistance, and thermo-stability but decreased the water-saturation index along with the penetration and ductility of bitumen. In conclusion, the study findings revealed that the synthesised PhCR-F resin is a promising adhesion promoter in pavement grade oil bitumen for application with asphalt concrete.
15 February 2021 in Chemistry & Chemical Technology
Journal Article
Serhiy PyshyevДМД. В. Мірошниченко
Д. В. Мірошниченко
IMIvan Malik
Ivan MalikACAquilino Bautista Contreras
Aquilino Bautista Contreras
NHNader Hassan
Nader HassanAEAhmed Abd ElRasoul
Ahmed Abd ElRasoul
The use of charcoal (CC) for various industries was analysed; the modern ideas about the factors influencing the process of obtaining CC were considered. The effect of raw materials nature (wood or agricultural wastes) and their characteristics (size, physical properties, chemical composition), as well as carbonization temperature, heating rate, oxygen level and pressure on the yield and quality of CC was described. The existing technologies for charcoal production were analyzed; they were classified according to the type of heating initiation and temperature maintenance during the carbonization process. The Lambiotte, DPC and Carbonex technologies were considered.
10 December 2018 in Chemistry & Chemical Technology
Journal Article
Yuriy DemchukISIurii Sidun
Iurii Sidun
Volodymyr GunkaSerhiy PyshyevSSSerhiy Solodkyy
Serhiy Solodkyy
15 June 2020 in Chemistry & Chemical Technology
Journal Article
Yuriy DemchukVolodymyr GunkaSerhiy Pyshyev
Iurii SidunYHYurii Hrynchuk
Yurii HrynchukMBMichael Bratychak
Michael Bratychak +1
14 June 2024 in Chemistry & Chemical Technology
Journal Article
Serhiy PyshyevYLYurii Lypko
Yurii Lypko
YDYuriy Demchuk
Yuriy Demchuk
OKOleh Kukhar
Oleh Kukhar
BKBohdan Korchak
Bohdan Korchak
IZIhor Zhytnetskyi
Ihor Zhytnetskyi
+1
The review considers the environmental problem of generation, accumulation and utilization of waste tires in Ukraine and the world. It is established that waste tires can serve as a valuable raw material for obtaining fuel components and technical/individual chemicals for further industrial processing. One of the promising methods for the rational utilization of waste tires may be their pyrolysis. The pyrolysis process of waste tires produces gaseous, liquid and solid carbonized residue. At the same time, there is no ideal universal technology for the use of waste tire pyrolysis products without preliminary treatment/purification methods. The main characteristics, processing methods and applications of products obtained from the pyrolysis of waste tires are briefly considered.
About Me
Serhiy Pyshyev
Work address: Department of Chemical Technology of Oil and Gas Processing, Lviv Polytechnic National University, 12, Stepana Bandery str., 79013, Lviv, Ukraine
e-mail: gajva@polynet.lviv.ua serhii.v.pyshiev@lpnu.ua
Nationality: Ukrainian
Areas of professional interest: oxidative purification and processing of solid and liquid
fuels; obtaining modified bitumens and bitumen emulsions; usage of by-products of thermal processing of combustible minerals for the modification of bitumen.
Experience: 2014 – present: Professor in the Department of Chemical Technology
of Oil and Gas Processing.
Responsibilities: lecturing and holding practical classes, methodical and scientific work.
Education: 2015 - received the academic title of Professor of Chemical Technology of Oil and Gas Processing.
2013 - Doctor of Technical Sciences.
Professional activity:
2015 – present member of specialized scientific councils: D 35.052.07, D 08.084.05.
Fellow of the Queen Jadwiga Foundation; internship at
the Jagiellonian University (Krakow, Poland).
Languages: Native - Ukrainian, Polish, English.
Computer and software skills: professional user of Windows 10, MS Office, AutoCAD, Power Point
in oral presentation skills.