Volume 56, Iss.5, 2021

Journal of Chemical Technology and Metallurgy

56, Iss. 5, 2021
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

Co-Editor

Prof. Dr. Dancho Danalev

University of Chemical Technology and Metallurgy, Bulgaria

 

Experimental and DFT study on the spectroscopic (FT-IR, UV-VIS, NMR) and NLO properties of 1,4-diallyl-6-chloroquinoxaline-2,3(1H,4H)-dione

Ivaylo Tankov, Rumyana Yankova, Pavleta Shestakova, Leniya Gonsalvesh, Ali El Janati, Youssef Kandri Rodi, Younes Ouzidan, Jerry P. Jasinski, Manpreet Kaur

 

Synthesis of novel Nociceptin analogues: Involvement in analgesic effects of opioid and nitric oxideergic systems after cold stress

Ivelina Himcheva, Nora Angelova, Emilia Naydenova, Galia Stavreva, Dimo Krastev, Dimitar Kochev, Adriana Bocheva

 

Heteroatom (N- and S-) organic compounds in lignite humic acids view by reductive pyrolysis

Stefan Marinov, Maya Stefanova, Lenia Gonsalvesh, Angelina Kosateva, Jan Czech, Robert Carleer, Jan Yperman

 

Oxidation of heavy oil produced from Permian deposits of Tatarstan

Bulat Vagapov, Ilshat Salakhov, Natalia Bashkirtseva, Anelia Manyanina, Andrei Popkov

 

Enhanced phenolic compounds extraction from apricot pomace by natural deep eutectic solvent combined with ultrasonic-assisted extraction

Victoria Vorobyova, Margarita Skiba, Yuliia Miliar, Svitlana Frolenkova

 

Cryobiological studies and freeze drying of cow’s milk and curd

Maria D. Doneva, Svetla M. Dyankova, Daniela P. Miteva, Iliana B. Nacheva, Petya M. Metodieva

 

Biocompatibility and antifungal activity of silver doped SiO₂/pectin composite materials

Tsvetelina Angelova, Veselina Uzunova, Nadezhda Rangelova, Nelly Georgieva, Albena Momchilova, Rumiana Tzoneva

 

Polarizability approach, structure, and nonlinear optical characteristics of tellurite glasses in the V₂O₅-BaO-TeO₂ system

Tina Tasheva, Vesselin Dimitrov

 

Mechanical characterization of 3D printed polycarbonate and polycarbonate reinforced with short carbon fibers

Sridharan Kannan, Manoharan Ramamoorthy

 

Investigation of decarbonization of granulated limestone from the Eastern Rhodopes deposit, Bulgaria

Stoyan Djambazov, Albena Yoleva

 

Improvement of firing curve of ceramic ware via modelling and numerical simulation of the coupled thermo-mechanical processes in the material

Nina Penkova, Kalin Krumov, Penka Zlateva

 

Zeolite coal fly ash preparation using alkaline-hydrothermal method with microwave and ultrasonic pretreatments and its application for Cu²⁺ adsorption in aqueous solution

Galuh Yuliani, Widyani Rahmatul Hayati, Siska Mutiara, Budiman Anwar, Mamun Mollah, Agus Setiabudi

 

Catalytic oxidation of N-hexane on immobilized manganese-containing polymer catalyst

Dilgam B. Tagiev, Ulviya A. Mammadova, Mirsalim M. Asadov, Aygun F. Isazade, Nizami A.Zeynalov, Ofeliya T. Badalova, Shahin T. Bagirov

 

Composites of waste rubber vulcanizates and modified adhesive solutions to create continuous coatings

Nikolay Dishovsky, Nedialko Delchev, Nadejda Ivanova, Petrunka Malinova, Alexander Lachev

 

Development of voltammetric method for determination of trace of Cu(II) in the presence of Fe(III) in water using 5,5’-diphenylimidazolidine-2,4-dione derivative

Stela Georgieva, Petar Todorov, Artem Bezfamilnyi

 

Effectiveness of complexation-nanofiltration during water purification from copper ions

Inna Trus, Mukola Gomelya, Viktoria Vorobyovа, Margarita Skіba

 

Isotherms, kinetics and thermodynamic studies of adsorption of Cd and Ni from textile effluent with acid modified clay

Paul Egwuonwu Dim, Lukman Shehu Mustapha, Mutsee Termtanun

 

Anaerobic co-digestion of domestic sewage sludge and food waste for biogas production: A decentralized integrated management of sludge in Jordan

Salah H. Aljbour, Tayel El-Hasan, Husam Al-Hamiedeh, Bassam Hayek, Khalid Abu-Samhadaneh

 

Lanthanum oxide impact on the properties of chemically resistant ceramics produced using galvanic sludge

Irina Vitkalova, Anastasiya Uvarova, Evgeniy Pikalov, Oleg Selivanov

 

Separation of Cd(II) and Ni(II) from spent Ni-Cd battery using Aliquat 336: process parameter analysis

Niharbala Devi

 

Investigation of the process of sulfide-firing of gold-antimony concentrate

Sholpan Akilbekova, Saule Myrzalieva, Gulnara Moldabayeva, Kulzira Mamyrbayeva, Maira Turkmenbayeva, Botakoz Suleimenova

 

Chemical and mineralogical characterization and thermodynamic investigation of sulphatizing process of flash smelting furnace flue dust and accretions formed in WHB transition

Mohsen Afrouzeh, Maryam Ehteshamzadeh, Saeid Jafari, Mehdi Borhannejad

 

Electrodeposition of Sn-Co powders by stationary and pulse mode

Katya Ignatova, Daniela Lilova, Latinka Vladimirova, Momchil Alakushev

 

Impact of process parameters of laser welding on the mechanical properties of Ti₆Al₄V (A review)

Peter O. Omoniyi, Rasheedat M. Mahamood, Esther T. Akinlabi

 

Influence of silicon carbide-cassava peel ash weight ratio on the mechanical and tribological characteristics of Al-Mg-Si alloy hybrid composites

Oladayo Olaniran, Akinlabi Oyetunji, Babatunde Oji

 

Aspects of sintering the magnesian iron ore concentrate in blends with magnetite concentrates

Salavat K. Sibagatullin, Alexander S. Kharchenko, Dmitriy N. Gushchin, Viktor I. Sysoev, Danil I. Alekseev

 

Desulfurization of iron ore concentrate using a combination of magnetic separation and reverse flotation

Amin Saravari, Abbas Sam, Somayeh Shayanfar

 

The selection of construction of the metal receiver for a two-chamber cylindrical tundish with a centrifugal chamber

Aleksey Smirnov, Yevgen Smyrnov, Aleksey Verzilov

 

Guide for Authors