Vol. 60 No. 1 (2025)

The present issue of Journal of Chemical Technology and Metallurgy is published with the financial support of the Bulgarian Fund “Scientific Research”, Contract No KP-06-NP6/22, 02 December 2024.

Published: 2025-01-06

Articles

VALORISATION VIA NANOFILTRATION OF THE ANTIOXIDANT RESIDUAL WATER FROM INDUSTRIAL HYDRODISTILLATION OF ROSA DAMASCENA MILL. PETALS

Yoana Stoyanova, Nevena Lazarova-Zdravkova, Dimitar Peshev

3-10
- pdf
SOLID-PHASE EXTRACTION OF S-TRIAZINE HERBICIDES BASED ON NEW ORGANIC-INORGANIC HYBRID COPOLYMER

Mariya Mitreva, Ivanka Dakova

11-20
- pdf
USING WASTE FROM PET TO PRODUCE GRAPHENE-BASED ADSORBENT USED FOR DYES REMOVAL FROM AN AQUEOUS SOLUTION

Lenka Blinová, Maroš Sirotiak, Peter Rantuch, Alica Pastierová, Peter Gogola

21-32
- pdf
STUDY OF THE POLYTHERMIC SOLUBILITY OF THE H5CN3O4 · HOCH2CH2NH2 - [10 % C10H11ClN4 + 90 % C2H5OH] - H2O SYSTEM

Bakhtiyor Akhmedov Bokhodiro`g`li, Zhamshid Shukhurov Sultonovich, Nemat Olimov Kayumovich

33-42
- pdf
STRUCTURAL FEATURES OF MONTMORILLONITE-SURFACTANT SYSTEMS: INFLUENCE OF SURFACTANT PACKING DENSITY AND MONTMORILLONITE SURFACE NATURE

Oksana Seitnazarova, Alisher Kalbaev, Nozim Mamataliev, Aziza Abdikamalova, Nursulu Najimova

43-62
- pdf
COMPARATIVE ANALYSIS OF THE MECHANOCHEMICAL HEM ACTIVATION EFFECT ON THE MICROSTRUCTURE AND PHASE TRANSFORMATIONS OF SEDIMENTARY APATITES

Vilma Petkova, Katerina Mihaylova, Ekaterina Serafimova, Tiit Kaljuvee

63-74
- pdf
ENHANCING SURFACE CHARACTERISTICS OF AA2024-T3 AIRCRAFT ALLOY THROUGH SYNERGISTIC ANODIZATION AND CERIUM CONVERSION COATING. PART II: MODIFICATION OF SURFACE PROPERTIES AND TOPOLOGY

Stefania Portolesi, Stephan Kozhukharov, Christian Girginov, Vanya Lilova, Plamen Petkov

75-86
- pdf
STUDY OF THE EFFECT OF MEDIUM PH ON THE KINETICS OF THE WATER DEMANGANATION PROCESS

Mariia Tverdokhlib, Inna Trus, Vita Halysh, Arsenii Taranenko, Mykola Gomelya

87-94
- pdf
ABSORPTION OIL FOR COKE OVEN GAS PURIFICATION

Denis Miroshnichenko, Leonid Bannikov, Artem Bannikov, Sergiy Nesterenko, Fedir Cheshko, Sergiy Kravchenko

95-102
- pdf
INFLUENCE OF PHENOLIC COMPOUNDS ON THE OPERATIONAL CHARACTERISTICS OF COAL TAR WASH OIL

Denis Miroshnichenko, Artem Bannikov, Leonid Bannikov, Sergiy Nesterenko

103-112
- pdf
PREPARATION AND CHARACTERIZATION OF SLAG REINFORCED TOUGHENED EPOXY COMPOSITES

Ahmad Mousa, Michaela Gedan-Smolka, Kornelia Schlenstedt

113-120
- pdf
MATHEMATICAL MODELING OF NON-STATIONARY THERMAL STATE OF THE PROCESSED METAL DURING ITS LASER HARDENING

Elena Naprimerova, Igor Yachikov, Yuliya Latfulina, Marina Samodurova, Evgeny Trofimov, Sergey Lezhnev, Sergey Efremov, Evgeniy Panin

121-129
- pdf
PHYSIO - ELECTRICAL CHARACTERISTICS OF Sn/Pb SOLDER AFFECTED ALUMINUM SUBJECTED TO PLASTIC DEFORMATION AND THERMAL TREATMENT

Mohammad Salim Kaiser

131-142
- pdf
LEACHING OF WASTE SLAGS FROM COPPER SMELTING PROCESSES

Jakub Zieliński, Patrycja Chodorowska, Dominik Nieweś, Mariusz Kowalski, Józef Hoffmann

143-150
- pdf
THE ROLE OF MIXTURE ADDITIVES ON THE SELECTIVE REDUCTION OF SAPROLITIC NICKEL LATERITE: SODIUM SULFATE - CALCIUM SULFATE

Bambang Suharno, Fajar Nurjaman, Aiesha Azizah

151-162
- pdf
EVALUATION OF THE MECHANICAL PROPERTIES OF STEEL WIRE ROPE DURING ITS OPERATION IN THE MINING INDUSTRY

Rozina Yordanova, Svetla Yankova

163-172
- pdf
MATERIAL BALANCE MODEL FOR STEEL PRODUCTION IN ELECTRIC ARC FURNACE - OXIDATION PERIOD

Petar B. Petrov

173-184
- pdf
TECHNICAL-ECONOMIC INVESTIGATION OF POTENTIAL OF PEM HYDROGEN TECHNOLOGY FOR DRIVING THE TRANSITION TO A LOWER CARBON PRODUCTION OF CHEMICAL INDUSTRY

Dimitar Blagoev, Ivan Georgiev, Nikolay Karev

185-194
- pdf