Volume 56, Iss.4, 2021

Journal of Chemical Technology and Metallurgy

56, Iss. 4, 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

 

Surface and mechanical properties of bio-inspired coatings

Nikoleta Philipova, Nadya Mineva, Rayna Bryaskova

 

In situ investigation of tyrosinase immobilization on poly-(acrylonitrile– co–acrylamide) by quartz crystal microbalance

Spaska Yaneva, Tzvetan Velinov

 

Optimization of synthesis of methyl acetate from acetic acid and methanol using microwave-assisted esterification

Heri Septya Kusuma, Ansori Ansori, Mahfud Mahfud

 

Synthesis and characteristics of polyacrylonitrile (PAN) nanofiber membrane using electrospinning method

Jaidan Jauhari, Suharli A.J., Zainuddin Nawawi, Ida Sriyanti

 

Antibacterial activity of the antiseptic detergent mahogany seed extract (Swietenia mahogany L.)

Widiastuti Agustina E. S., Mela Yuliyanti, Vinsensius Maunia S. H., Halida Anwar A. F

 

Component composition and antioxidant activity of the blackcurrant (Ribesnigrum L.) and apricot pomace (Prunusarmeniaca L.) extracts

Viktoria Vorobyovа, Margarita Skіba, Georgii Vasyliev, Olena Chygyrynets

 

Synthesis of new pyrrole compounds with potential antihyperlipidemic effect

Stanislava Vladimirova

 

The thermal analysis of the linear carbohydrates constructed of glucose rings

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

 

Characterisation of carboxymethylcellulose-based superabsorbent polymer hydrogel for slow-release of nitrogen-phosphorus-potassium fertiliser

Sri Mulyani, Aprilia Sekar Mawarni, Dimas Gilang Ramadhani

 

Investigation of the influence of washed water quantity on the main indicators of fertilizer precipitate

Abduaziz L. Giyasidinov, Bokhodir E. Sultonov, Shafoat S. Namazov, Jamshid E. Kholmurodov

 

Surface morphology and biodegradation tests of polyurethane/clay rigid foam composites

Mohammad Masykuri, Frenika Widyasari

 

Preparation of colloidal silver nanoparticles assisted by microwave irradiation and their stability during storage

Endang Susilowati, Maryani, Ashadi

 

Investigating the hydrophilicity of zinc oxide nanoparticles using xylene and water for ibuprofen adsorption

Maria Ulfa, Durrotun Nisa, Muhammad Fajar P., Didik Prasetyoko

 

Removal of Cu (II) ions from aqueous solution using calcium-aluminium/carbon-derived fish bones

Mukhamad Nurhadi, Ratna Kusumawardani, Iis Intan Widiyowati, Sin Yuan Lai

 

Kinetic behavior for the adsorption of different metal ions on fly ash

Ajay Kumar Agarwal

 

Nanosized mesoporous CuO-CeO₂ -TiO₂ and CuO-ZrO₂-TiO₂ composites as catalysts for methanol decomposition: Effect of modification procedure

Aleksandra Mileva, Tanya Tsoncheva, Gloria Issa, Momchil Dimitrov, Daniela Kovacheva, Jiří Henych

 

Photocatalytic activity of CuBDC and UiO-66 MOFs for methyl orange degradation

Andi Haryanto, Laela Mukaromah, Yessi Permana, Aep Patah

 

Integration of microbial fuel cells in a system for biomethanation and photosynthesis

Anatoliy Angelov, Svetlana Bratkova, Polina Velichkova

 

Facile chemical synthesis and characterization of nanostructured nickel oxide - ceria composite anode materials for solid oxide fuel cells working at low temperature

Mullukattil Lukose Reni, Arputharaj Samson Nesaraj

 

Experimental investigation of cooling solar photovoltaic (PV) cells by using heat pipe approach

Adnan G. Tuaamah Al Hasnawi, Hadia Kadhim Judran, Anmar Khalil Ibrahim

 

Research of the charge load influence over the tumbling mill characteristics through general utility function

Ivan Minin, Petko Nedyalkov, Simeon Savov

 

Time-dependent composition of the electrodeposited nanocrystalline Fe-Co-Ni films

Setia Budi, Afrizal, Sukro Muhab, Ucu Cahyana, Agung Purwanto, Maria Paristiowati

 

Influence of solution concentration on the protective properties of SiO₂ sol-gel coatings in corrosive medium

Stancho Yordanov, Irina Stambolova, Luben Lakov, Mihaela Aleksandrova, Bojidar Jivov

 

Effect of tributylmethylammonium methyl sulfate (MTBS) addition on hardness and corrosion resistance of Ni-W alloy

Cindy Claudia Christanti, Achmad Rochliadi, Aep Patah

 

Leaching of lithium and rubidium elements from boron production wastes

Reyhan Ozbas, Emek M. Derun

 

Influence of overalloyed filler wire to preclude the microsegregation in weld joint of alloy C-276

Mohan Cigurupadi Ganesan, Arulmurugan Balasubramanian, Subramani Pasupathi, Sathishkumar Mathiyazhagan, Rajamurugan Govindasamy, Arivazhagan Natarajan, Manikandan Manoharan

 

Microstructure of bimetallic wire in the “ECAP-drawing” process

Irina Volokitina, Andrey Volokitin, Abdrakhman Naizabekov, Sergey Lezhnev, Evgeniy Panin

 

Closed problem of plasticity theory

Valeriy Chigirinsky, Abdrakhman Naizabekov, Sergey Lezhnev

 

Guide for Authors