Volume 54, Iss. 1, 2019

Journal of Chemical Technology and Metallurgy

54, Iss. 1, 2019
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

 

Synthesis and characterization of limited mixed sodium manganese - sodium copper sulfate dihydrates with a kröhnkite-type structure and their anhydrous analogues

Delyana Marinova, Mitko Georgiev, Tsvetelina Bancheva, Donka Stoilova

 

Kinetic study of the oxidation of thiosulphate by hexacyanoferrate(III) in water pools of cetyl trimethyl ammonium bromide reverse micelles

Venkata Nagalakshmi Kilana, Shyamala Pulipaka, Venkata Subba Rao Pulugurtha

 

A highly effectual protocol for the production of triazolo[1,2-a]indazole-triones and 2H-indazolo[2,1-b]phthalazine-triones using 1,3-disulfonic acid imidazolium hydrogen sulfate as a dual-functional catalyst

Fatemeh Masihpour, Abdolkarim Zare, Maria Merajoddin, Alireza Hasaninejad

 

Investigation on the kinetics of coated paper thermal aging

Dimitrina Todorova, Veska Lasheva, Greta Radeva, Radostina Cenkova

 

Statistical features of epoxy resin based hybrid composites reinforced with jute, banana and flax natural fibers

Narendiranath Babu T., R.V. Mangalaraja, T. Manvel Raj, D. Rama Prabha

 

Investigation of pyrolysis and flammability processes of vinyl acetate copolymer paints

Mаlik N. Abdikarimov, Raushan Kh. Turgumbayeva, Daulet T. Sartayev

 

Fire behaviour assessment of rigid polyurethane foams containıng nanoclay and intumescent flame retardant based on cone calorimeter tests

Bilal Aydoğan, Nazım Usta

 

Ignition time of selected ceiling materials and escape temperature time prediction of fire fighter rescue mission

Dirisu Joseph Osekhoghene, Oyedepo Sunday Olayinka, Fayomi Ojo Sunday Isaac, Okokpujie Imhade Princess

 

The development of inhibitors of scale formation in water circulation systems in industry, power and municipal households

Tatiana Overchenko, Svitlana Frolenkova, Victoria Vorobyova

 

Characterization and colour removal from an aqueous solution using bio-coagulants: response surface methodological approach

Okechukwu Dominic Onukwuli, Ifeoma Amaoge Obiora-Okafo, Monday Omotioma

 

Kinetic and thermodynamic study of the reaction between Bromocresol green with sodium hydroxide in an aqueous solution

Latona Dayo Felix, Adejoro Ajibade

 

Adsorption of a dye (crystal violet) on an acid modified non-conventional adsorbent

Oguanobi Nonso Collins, Onu Chijioke Elijah, Onukwuli Okechukwu D.

 

The usage of Ricinus communis as a natural adsorbent for removal of dyes from an aqueous solution

Akshay Mahajan, Vipan Kumar Sohpal, Vijay Kumar Bulasara

 

Modification of an industrial crude oil desalting unit by electric mixing to improve the dehydration efficiency

Forough Hosseinpour, Sattar Ghader, Mohammad Reza Rahimpour, Hamidreza Bagheri

 

Response surface modeling of compressive strength of high-performance concrete formulated by a high water reducing and setting accelerating superplasticizer. Box-Behnken experimental design

Mohammed Hussein Khudhair, Ahmed Mohammed Al-Anweh, Majeed Hazza Nomaan, Mohamed Berradi, Rachid Hsissou, Atigah Bekhta, Mohamed Salahdine Elyoubi, Ahmaed Elharfi

 

The surface charge of unsupported nano-structured titania ceramic membrane top layers with varying calcination temperatures

İlker Erdem, Muhsin Çiftçioğlu

 

Statistical evaluation and forecasting of the dust particles concentrations depending on the meteorological conditions

Marko I. Uzunov, Dimitar I. Pilev, Evgenia M. Savova-Videnova

 

Dependence of the magnetic properties of alloyed Co-Ni, Co-Sn, Ni-Sn nanopowders on the elemental compositions

Ivania N. Markova, Milena T. Georgieva, Mehmet B. Piskin, Dimitar V. Tzankov, Rositca V. Gavrilova, Boyan I. Yordanov, Ivan I. Zahariev

 

Synthesis of zirconia/magnesia composite coating on AZ91 magnesıum alloy

Ekin Selvi, Faiz Muhaffel, Murat Baydoğan

 

Dispergation of aluminum powder (aluminum flakes) in silicon enamel in presence of Troysperse^TM 98C additive

Vitaliy Y. Tyukanko, Antonina N. Duryagina, Kirill A. Ostrovnoy, Oleg Petukhov, Kristina V. Makievskaya

 

Extraction of lithium from wastes generated in titanium production

Omirserik Baigenzhenov, Weiwei Wang, Assel Dagubayeva, Yerbol Zhaksylykuly Shabanov

 

Application of calcium hydrocarboaluminate for the production of coarse-graded alumina

Ekaterina Viktorovna Siziakova, Pavel Vladimirovich Ivanov, Aleksey Viktorovich Boik

 

Cooling condition effects on transformation temperature and microstructure of Cu₈₁Al₁₃Ni₄Ti₂ SMA

Fethi Dagdelen, M.Sait Kanca, Mustafa Boyrazli

 

Potentiodynamic polarization and gravimetric evaluation of corrosion of copper in 2M H₂SO₄ in absence and presence of ammonium dichromate as an inhibitor

Cleophas Akintoye Loto, Ojo Sunday Isaac Fayomi, Roland Tolulope Loto, Abimbola Patricia Idowu Popoola

 

Modeling and optimization of the inhibition efficiency of Euphorbia heterophylla extracts based corrosion inhibitor оf mild steel corrosion in HCl media using а response surface methodology

Odejobi Oludare J., Akinbulumo Olatunde A.

 

Technology of heat treatment of mill rolls

Konstantin N. Vdovin, Gennady A. Dubskiy, Lyudmila G. Egorova

 

Circular economy aspects related to steel production

Andrea Di Schino

 

Guide for Authors