Volume 59, Iss. 1, 2024

Journal of Chemical Technology and Metallurgy

59, Iss. 1, 2024
ISSN 1314-7471 (print)
ISSN 1314-7978 (on line)

Honorary Editor
Prof. Dr. Bogdana Koumanova
University of Chemical Technology and Metallurgy
 

Editor-in-Chief
Prof. Dr. Dancho Danalev
University of Chemical Technology and Metallurgy

 

Nanotechnology in the cosmetic industry (Review)

Tsvetelina Foteva

 

Application of whey protein hydrolysates as a fermentation medium with strains of lactic acid bacteria

Maria Doneva, Kamelia Loginovska, Svetla Dyankova, Iliana Nacheva, Petya Metodieva, Nadya Ninova-Nikolova

 

Тolerance to freeze-drying conditions of Lactobacillus delbrueckii subsp. bulgaricus strains after acidic expose

Ivo Ganchev

 

Cotinus coggygria ethanol extract as crosslinking agent in formulation of the protein films

Ayten Solak, Svetla Dyankova

 

Obtaining lactic acid from the fermentation of residual sugar cane, corn, and cassava

Biuty Sherina Velez Mendoza, Daniel Alejandro Navia Proaño, Ernesto Alonso Rosero-Delgado, María Antonieta Riera

 

Application of dill essential oil as additive to bulgarian yoghurt

Milen Dimitrov Dimov, Ira Taneva Dimitrova, Zlatin Dimitrov Zlatev

 

Evaluation of the oxidative thermal stability of fish oil with the addition of pumpkin seed oil or rosemary extract

Artan Gashi, Georgi Chernev,Edyta Symoniuk, Zivko Jankulovski, Carolina Krebs de Souza, Fatos Rexhepi

 

Characterization and comparative study of pyrolysis of low rank coal and biomass

Rinny Jelita, Iryanti Fatyasari Nata, Chairul Irawan, Jefriadi, Muhammad Hafiz, Indrayati Angreini, Meilana Dharma Putra

 

Techno-economical study on the production of high octane gasoline in light naphtha plant

Rendra Panca Anugraha, Renanto Renanto, Rifky Arya Maulana, Rasyid Dito Kusumo

 

Propane-butane supply for coke oven and blast furnace gas enrichment in reheating furnaces

Ilya Maliga, Valeria Pererva, Assylbek Nurumgaliyev, Almas Erzhanov, Sergey Kuzmin

 

Treatment of oyster shells and preparing them as an adsorbent surface to toluidine blue dye

Ghusoon Jawad Shabaa, Rahman Sahib Zabibah

 

Implementation of an economical IoT-based liquid tank control system to support online process control practicum

Rendra Panca Anugraha, Juwari, Renanto, Sahara Putri Fachrudya,Yuliana Erika Daoed

 

Sand-rose shaped β-Ni(OH)₂ microspheres: A high efficient additive in the thermal decomposition of ammonium perchlorate

Vesselina Rangelova, Maya Spassova, George Tzvetkov, Tony Spassov, Peter Tzvetkov

 

Effect of nozzle configuration on performance of a spray dryer

Ashraf Ali Basheer, Singh Sunil Kumar

 

Process for recovering silica from lithomarg clay: Value addition of unexploitedmining reject

Mohamed Najar, Amrita Karn, Paresh Nageshwar, Pravin Bhukte, Mukesh Chaddha, Anupam Agnihotri

 

Studying the solubility of the system ZnSO₄ - KNO₃ - H₂O

Dilnoza Ne’matjon qizi Makhkamova, Zokirjon Turayev

 

Migration of heavy metals from mine waste rock dump end environmental impact on groundwaters and sediments

Svetlana Bratkova, Plamen Tsvetkov

 

Synthesis and properties of NdMe^IITeO_4.5(Me^II – Ca,Ba) tellurites

Kenzhebek Rustembekov, Aitolkyn Toibek, Mitko Stoev, Gulim Mukusheva, Timur Sadykov

 

Chemical removal of iron sulfide deposit in pipes from oil and sour gas production

Fernando Benedicto Mainier, André Armando Mendonça de Alencar Junior, Edilson Ferreira Barros

 

Research of injection methods for Y₂O₃ nanoparticles into nickelfree stainless steel during induction vacuum remelting

Alexandr Panichkin, Fedor Popov, Nikita Lutchenko, Askhat Beldeubayev, Ivan Samokhvalov, Alexandr Arbuz

 

Development of recommendations for the implementation of combined deformation treatment “ECAP-drawing” into production

Irina Volokitina, Andrey Volokitin, Gulnara Ulyeva, Elisey Khlopkov, Oxana Maldina

 

Investigation of microstructure and energy-power parameters in the simulation of a new technology for the production of hardened screw fittings

Sergey Lezhnev, Abdrakhman Naizabekov, Andrey Tolkushkin, Evgeniy Panin, Alexandr Arbuz, Dmitry Kuis, Pavel Tsyba

 

Modelling the evolution of casting defect closure by radial shear rolling

Fedor Popov, Nikita Lutchenko, Alexandr Panichkin, Sergey Lezhnev, Evgeniy Panin, Leonid Vinogradov, Alexandr Arbuz

 

Investigation of the microstructure of AISI 321 stainless steel after laser surface melting

Tsanka D. Dikova, Natalina K. Panova, Ivaylo D. Parushev

 

Physical-chemical modeling and investigation of the “high-entropy metal matrix / TiC” system components interaction

Abdrakhman Naizabekov, Marina Samodurova, Evgenii Bodrov, Sergey Lezhnev, Dmitry Mikhailov, Ksenia Litvinyuk, Evgeniy Panin

 

Correlation between aging time period of metal precursor sol – phase composition and textural properties of zirconia nanopowders

Eva Mitkova, Irina Stambolova, Daniela Stoyanova, Vesislava Toteva, Ognian Dimitrov

 

Guide for Authors