Volume 55 Iss. 4, 2020

Journal of Chemical Technology and Metallurgy

55, Iss. 4, 2020
ISSN 1314-7471 (print)
ISSN 1314-7978 (on line)

EDITOR-IN- CHIEF
Prof. Dr. Bogdana Koumanova
Tel: (+ 359 2) 81 63 302
University of Chemical Technology and Metallurgy
8 Kl. Ohridski, 1756 Sofia, Bulgaria
E-mail: journal@uctm.edu

Schiff bases chelate sorbents for separation and concentration of Pt from sea water and spent automotive catalysts

Petranka Petrova, Maya Chochkova, Olga Veleva, Metody Karadjov

 

Synthesis and biological evaluation of novel RGD analogues

Anelia Balacheva, Momchil Lambev, Roumyana Detcheva, Thomas Bruckdorfer, Tamara Pajpanova

 

An investigation on the antioxidative properties of glycine amide derivative of 2,2,6,6-tetramethyl-4-aminopiperidine-1-oxyl affecting pancreas protection

Yanka D. Karamalakova, Galina D. Nikolova, Antoaneta M. Zheleva, Veselina G. Gadjeva

 

Modelling of the structure-activity relationships of CBR 2

Fatima Sapundzhi, Tatyana Dzimbova

 

Chemical structure computer modelling

Radoslava Topalska, Fatima Sapundzhi

 

Synthesis of 2-hydroxynaphthyl pyrroles by one-pot three-component reaction under solvent-free conditions

Stanislava Vladimirova

 

A comparative investigtion of the IR spectra of a carbohydrate series

Vladimir A. Sinyayev, Gulparshyn A. Toxeitova, Aigul A. Batyrbayeva, Larissa R. Sassykova, Ryskul N. Azhigulova, Yermek N. Sakhipov

 

Study of heavy crude oil composition after a hydrothermal treatment in presence of nanoparticles

Aigul A. Valieva, Sergey M. Petrov, Alfiya I. Lakhova, Natalia Yu. Bashkirtseva

 

Optimization of the oxidative desulphurization of heavy gas oil

Vesislava Toteva, Kiril Stanulov, Ivelina Shishkova, Dicho Stratiev

 

Reactivity of metastable water in hydrothermal heavy crude oil and carbonaceous compounds conversions

Raikhan R. Zakieva, Eduard R. Vasilev, Ernest A. Karalin, Sergey M. Petrov, Natalia Yu. Bashkirceva

 

Preparation and characterization of biodegradable polymeric nanocomposites based on polylactide and graphene oxide

Petar Velev, Vasil Samichkov, Victor Atanasov, Kostadin Tsvetanov

 

Effect of variable flux and rejection in membrane separation of polyphenols-containing natural extracts

Iren Tsibranska, Daniela Dzhonova-Atanasova, Stela Panyovska

 

Phenolic compounds in peels, seeds, marcs and wines from Mavrud grapes

Diyan Tochev, Maria Karsheva, Dimitar Pilev, Laure Cayla, Gilles Masson, Galya Mihaylova

 

A synthesis of biodiesel on the ground of cooking oil using lignocellulosic residues as a heterogeneous catalyst and alcohol solvents

Darwin, Atma Dian Pratama, Mardhotillah

 

A computer simulation of a biomass gasification process

Chavdar Chilev, Evgeni Simeonov, Valentin Stoyanov, Stilian Chaushev

 

Characterization of olive meals

Metodi Mladenov, Aleksandar Pashev, Galia Gentscheva

 

Optimization of cobalt content management in wastewater using Wasif and Bayda clay composites

Davidson E. Egirani, Mohamed El Naggar, Nabila Shehata, Sayed A. Ahmed, Eman S. Sheneshen, Mahmoud Fathy

 

Se-based chalcogenide glasses as holographic media

Yordanka Trifonova, Ani Stoilova, Vladislava Ivanova, Vanya Lilova, Plamen Petkov

 

Research on the obtaining of low energy cements from technogenic raw materials

Nurgali N. Zhanikulov, Bahitzhan T. Taimasov, Ivan N. Borisov, Zhanna K. Dzhanmuldaeva, Muhtar S. Dauletiarov

 

Catalyst assisted microbial fuel cells

Gergana Peeva, Husein Yemendzhiev, Ralitza Koleva, Valentin Nenov

 

Low-waste process of complex fertilizer based on sulphuric acid processing thermic calcinated phosphorite concentrate

Baktiyar Numonov, Shafoat Namazov, Оydin Badalova, Аtanazar Seytnazarov, Bokhodir Sultonov, Umarbek Alimov

 

A study of uranium and P₂O₅ transfer in Syrian phosphate leaching by commercial nitric and hydrochloric acids

Mouhammad Nour Alkheder, Yousef Jammoal, Kher Aldeen Alkhateb

 

A physico-chemical analysis of carbon ammonium salts’ production technologies

Liliya Ivanchenko, Irina Shapoval, Aleksei Makarov, Aleksandr Borsch

 

Kinetic model of copper leaching from a malachite ore by acetic acid solutions

Mehmet Kayra Tanaydın, Nizamettin Demirkıran, Ahmet Ekmekyapar

 

An effect of the elemental composition on the electrochemical behavior of alloyed (Co-Sn, Ni-Sn) nanopowders in a Li-ion battery

Ivania Markova-Deneva, Tihomir Ivanov Petrov, Mehmet Burcin Piskin, Ivan Zahariev Zahariev , Valentina Lubenova Milanova

 

An effect of NH₄SCN on deposition of Sn-Co and Sn-Ni powders in a fluoride-chloride electrolyte

Katya Ignatova, Momchil Alakushev

 

Corrosion resistance of innovative super-ferritic stainless steels

Andrea Di Schino

 

A calculation of the continuous cold rolling parameters taking into account the possibility of a vibration in the working stands

Aleksandr V. Kozhevnikov, Dmitry L. Shalaevsky, Anatoly S. Smirnov

 

A quenching media effect on the mechanical properties of medium carbon dual phase steel

Muhammed O. H. Amuda­­­ , Taiwo F. Lawal, Tirimisiyu A. Olaniyan, Ganiyu A. Oladapo

 

Elasticity of metallic Ni, Al and Ni₃Al nanowires

Mohammed M. Aish, Emad H. Aish

 

Guide for Authors

 

The present issue of Journal of Chemical Technology and Metallurgy was published with the financial support of the Bulgarian National Science Fund, Contract No КП-06-НП1-33/18.12.2019.