Volume 55 Iss. 5, 2020

Journal of Chemical Technology and Metallurgy

55, Iss. 5, 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

Microbiological and physicochemical characterization of traditional Bulgarian sourdoughs and screening of lactic acid bacteria for amylolytic activity

Mariana Petkova, Petya Stefanova, Velitchka Gotcheva, Iordanka Kuzmanova, Angel Angelov

 

RMSD calculations and computer modelling of protein structures

Fatima Sapundzhi, Valentin Slavov

 

L-Valine peptidomimetic effect on neural functions

Eleonora N. Encheva - Stoykova, Daniela S. Tsekova, Yordan K. Hodzhev, Hristina H. Nocheva, Lyubka P. Tancheva

 

Fluorescence properties and conformational stability of hemocyanin isolated from snails Helix aspersa maxima

Yuliana Raynova, Ivan Angelov, Krassimira Idakieva

 

Chemical modifications and anti-proliferative activity of a bi-functional peptide against MDA-MB-231 breast cancer cells

Maya G. Georgieva, Anelia Balacheva, Roumiana Detcheva, Tamara Pajpanova

 

A computational study of cannabinoid receptors and cannabinoid ligands

Fatima Sapundzhi, Tatyana Dzimbova

 

DFT calculations, characterization and in vitro cytotoxicity of platinum(II) complex of 3-amino-1,2,4-triazole

Rumyana Yankova, Aneliya Kostadinova, Lachezar Radev

 

Synthesis and characterization of non-ionic graft copolymers

Maxat Myrzakhanov, Khalid Umar, El-Sayed Moussa Negim, Mohamad Nasir Bin Mohamad Ibrahim

 

Thermal stability of highly filled low density spheroplastics based on polydimethylsiloxane binders and problems of their improvement

Vladimir Yu. Chukhlanov, Oleg G. Selivanov, Natalia V. Chukhlanova

 

Synthesis and screening of components of anti-wear additives based on plant raw materials

Galina Y. Klimentova, Marina V. Zhuravleva, Bulat R. Vagapov

 

Combustion processes of gas generators in the form of cartridges on the basis of ammonium nitrate, flammable nanoaluminum and nanocarbon additives

Marat Tulepov, Nurgul Rakhova, Larissa Sassykova, Fedosya Abdrakova, Igor Pustovalov, Gulmira Tureshova, Olga Golovchenko, Dana Tolep, Almagul Kerimkulova, Galiya Spanova

 

А combined ultrasound and ozone (US/O₃) treatment enhancing k-carrageenan depolymerization

Aji Prasetyaningrum, Bakti Jos, Ratnawati Ratnawati, Yudhy Dharmawan, Andri C. Kumoro

 

TiO₂-photocatalized degradation of vanillic acid in olive mill wastewaters

Hamza El Moudden, Adil El Yadini, Yousra El Idrissi, Hicham Harhar, Badia Tabyaoui, Mohamed Tabyaoui, Abdelkader Zarrouk

 

A comparative study of two-parameter adsorption isotherms applied to removal of nickel, zinc and lead ions from an aqueous solution using a low-cost adsorbent

Ajay K. Agarwal

 

Sorbents based on rice husk and graphite: synthesis, characterization and determination of their sorption capacity in the oil-water system

Gulnura R. Nyssanbayeva, Kenes K. Kudaibergenov, Larissa R. Sassykova, Almagul R. Kerimkulova, Zulkhair A. Mansurov, Raushan A. Berkutbayeva

 

Development of a method оf modifying а natural sorbent for uranium extraction

Bagdaulet K. Kenzhaliyev, Tatiana Yu. Surkova, Ainur N. Berkinbayeva, Zamzagul D. Dosymbayeva, Ainur A. Mukhanova, Bekzat E. Abdikerim

 

Adsorption of Au (III) ions by carbonized apricot stones in presence of heavy metal ions

Zulkhair A. Mansurov, Raushan M. Mansurova, Vladimir A. Zakharov, Zhazira A. Supiyeva

 

Kinetic and thermodynamic studies of the adsorption of Cu (II) and Cr (VI) ions from an industrial effluent on a kaolinite clay

Paul Egwuonwu Dim, Solomon Chukwunonso Olu, Joseph Onyebuchi Okafor

 

Synthesis and characterization of goethite, activated carbon and their composite

Ganiyu B. Adebayo, Folahan A. Adekola, Haleemat I. Adegoke, Sidiq Fausiyat, Jamiu Wasiu

 

Preparation and antimicrobial activity of Collagen/(RGO/ZnO/TiO₂/SiO₂) composites

Anna Staneva, Madalina Albu-Kaya, Boris Martinov, Iliana Ivanova, Todorka Vladkova

 

Power performance of a microbial fuel cell

Yana Mersinkova, Ralitza Koleva, Hyusein Yemendzhiev, Valentin Nenov

 

Tailoring the surface chemistry of Vulcan XC-72R for the production of dilute hydrogen peroxide with a two-compartment electrochemical cell

Sara Aslan, Cavus Falamaki, Mahmood Kazemzad

 

A reduction phenomenon on the anode surface: selenate and copper (II) ions reduction to their elemental state on the anode surface

Abduali Bayeshov, Azhar Bayeshova

 

Fluorination of rutile, electrochemical reduction of titanium fluoride to titanium, and its separation from the electrolyte salts melt

Vladimir A. Karelin, Fedor A. Voroshilov, Alexander N. Strashko, Alexander V. Sazonov, Nadezhda V. Karelina

 

Electrochemical processing of secondary lead-tin alloys

Galina A. Ussoltseva, Merey S. Akbarov, Oksana V. Chernyshova, Aliya O. Baikonurova, Rinat S. Akpanbayev

 

Pozzolan effect on the behavior of concrete used in an aggressive environment in Algeria (Biskra case)

Sayad Youcef , Bouzidi Mezghiche

 

A conjugate heat transfer in a fixed-bed ceramic regenerator for air conditioning applications

Angel Penev, Lubomir Tsokov, Nina Penkova

 

A cooling potential of formulated bio-quenchant oils on a cast aluminium alloy material

Adebayo Surajudeen Adekunle, Adekunle Akanni Adeleke, Tajudeen Adelani Gbadamosi, Friday O. Nwosu, Jamiu K. Odusote, Peter Olorunleke Omoniyi, Tajudeen O. Popoola, Kazeem Adekunle Adebiyi

 

Assessment of a new equipment for mechanical testing of materials by a torsion

Aleksandr A. Bogatov, Danil L. Shvarts, Andrey O. Tolkushkin, Sergey N. Lezhnev, Abdrakhman B. Naizabekov, Rozina М. Yordanova

 

A low-cost process option for enriching iron in red mud for resource augmentation

P. A. Mohamed Najar, Sneha Dwivedi, Amrita Karn, Shama Wadsariya, Priyanka Nayar, Periyasamy Mahendiran, Suresh Puttewar, Anupam Agnihotri

 

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.