INFLUENCE OF POTASSIUM HUMATE ON THE TECHNOLOGICAL AGING PROCESSES OF OXIDIZED PETROLEUM BITUMEN

被引：5
|
作者：
Donchenko, Myroslava [1 ]
Grynyshyn, Oleg [1 ]
Demchuk, Yuriy [1 ]
Topilnytskyy, Petro [1 ]
Turba, Yuriy [1 ]
机构：
[1] Lviv Polytech Natl Univ, 12 S Bandery St, UA-79013 Lvov, Ukraine
来源：
CHEMISTRY & CHEMICAL TECHNOLOGY | 2023年 / 17卷 / 03期
关键词：
bitumen; bitumen aging; modification; oxidized bitumen; potassium humate; pavement; ASPHALT;
D O I：
10.23939/chcht17.03.681
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The possibility of using potassium humate as an inhibitor of the technological aging of oxidized petroleum bitumen has been investigated. Samples of potas-sium humate obtained from various raw materials, in particular peat and leonardite, were selected and compared. Aging coefficients have been calculated and operational properties of modified bitumen as a binding material for hot mix asphalt have been investigated. It was established that 3.0 wt. % of PH-3 added to oxidized petroleum bitumen, slows down the technological aging processes and allows obtaining asphalt concrete with better characteristics compared to the coating made on the basis of unmodified bitumen.
引用
收藏
页码：681 / 687
页数：7
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