%0 Journal Article
%T Feasibility Investigation of Bitumen Properties by Blending of Coal Tar Pitch
%A Bat-Erdene Erdenetsogt
%A Zoltuya Khashbaatar
%A Ilchgerel Dash
%A Battsetseg Tsog
%J Advances in Chemical Engineering and Science
%P 93-104
%@ 2160-0406
%D 2023
%I Scientific Research Publishing
%R 10.4236/aces.2023.132008
%X There are numerous methods and additives available
to improve the durability and quality of road bitumen. A coal tar obtained by
coal coking was distilled in a laboratory into fractions of initial boiling
point IBP<span style=\"font-family:Verdana;\">-</span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">180</span><span style=\"white-space:nowrap;font-family:Verdana;\">¡æ</span><span style=\"font-family:Verdana;\"></span><span style=\"font-family:Verdana;\"> (gasoline</span></span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">like
fuel), 180</span><span style=\"white-space:nowrap;font-family:Verdana;\">¡æ</span></span><span style=\"font-family:Verdana;\"> - </span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">360</span><span style=\"white-space:nowrap;font-family:Verdana;\">¡æ</span><span style=\"font-family:Verdana;\"> (diesel</span></span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">like
fuel), and &gt;360</span><span style=\"white-space:nowrap;font-family:Verdana;\">¡æ</span><span style=\"font-family:Verdana;\"> (residue or coal tar pitch). The coal tar pitch was added
into road bitumen by up to 1</span></span><span style=\"font-family:Verdana;\"> - </span><span style=\"font-family:Verdana;\">5 wt% and investigated the alteration of physical and chemical
properties. The physico</span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">mechanical
properties of coal tar pitch and bitumen blends, as well as the </span><span style=\"font-family:Verdana;\">chemical group composition, were determined using
standard techniques</span><span style=\"font-family:Verdana;\"> (MNS) and the SARA method, respectively. Results of
3% coal tar pitch addition into bitumen enhanced ductility by 12.4% and
softening point by 1.6<span style=\"white-space:nowrap;\">&amp;#8451;</span>. We found that blending with bitumen coal tar pitch as
a modifier could improve bitumen properties.</span></span>
%K Modified Bitumen
%K Blending
%K Coal Tar Pitch
%K Ductility
%K Softening Point
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=124259