Volume 43, Iss. 2 (2008)

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Journal of Chemical Technology and Metallurgy

43, Iss. 2, 2008
ISSN 1311-7629 (print)
ISSN 1314-3859 (on line)

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

History of sol-gel science and technology (adobe PFD)
Y. Dimitriev, Y. Ivanova, R. Iordanova

Chemical Technology

Synthesis of 2-benzothiazole(trimetoxysilylethyl)sulfide and investigation of its influence on the properties of silica filled styrene-butadiene rubber
T. Bojhurina, I. Traikov, M. Ivanov

Synthesis of amphiphilic PEG-PCL-PEG triblock copolymers
S. Petrova, S. Miloshev, R. Mateva, I. Iliev

Copolymerization of n-(dichlorophenyl) maleimides with methyl methacrylate
V. Konsulov, Z. Grozeva, J. Tacheva, K. Tachev

A  possibility  to  use  fibers  with  high  SiO2  content at  high temperature     
L. Lyubchev,   I. Markovska

Study of the sorption properties of technical hydrolysis lignin and wool shoddy towards oil pollution
S. Nenkova, M. Herzog, V. Gancheva, R. Garvanska

Influence of flocculants on the precipitation of  paper  production  white  waters
S.  Bencheva,  D. Todorova,   K. Todorova

Calculating the salt index of pk and npk liquid fertilizers from potassium phosphates
K. Kamburova, Pl. Kirilov

Functional nanocomposite coatings for corrosion protection of aluminum alloy and steel
G. Tsaneva, V. Kozhukharov, S. Kozhukharov, M. Ivanova, J. Gerwann, M. Schem, T. Schmidt

Crystallization kinetics and some thermodynamic characteristics of chalcogenide glasses
from the As2Se3-As2Te3-Sb2Te3 system

T. Hristova-Vasileva, V. Vassilev, L. Aljihmani, V. Parvanova

The study of the air pollution by a surface mining exploitation from Romania
C. Căpăţînă, G. Lazăr

Chemical Engineering

A correlation for estimating the vapour phase fraction of a multicomponent mixture
to perform flash equilibrium calculations

B.  Zare Nezhad

An experimental study of spiral plate heat exchanger for electrolytes
R.Rajavel, K. Saravanan

Mathematical modelling of external loop fermentors
I. Pentchev, P. Dinkova, M. Karsheva


Desulphurization of lead cake by sodium carbonate and sodium hydroxide
D. Atanasova, N. Lyakov, V. Vassilev, G. Angelov, G. Haralampiev


Application of the anaerobic threshold concept - a key factor for an optimal effect
from a sport training process

S. T. Tzvetkov

Short Communications

Utilization of industrial wastes in  the  compositions of fireproof  concrete  and  mortars
L. Zashkova, K. Spirov, N. Penkova, V. Iliev