Supramolecular Coordination Polymer Nanotube Additive for Enhanced Performance and Reduced Emission in Diesel Engines Using Biodiesel/Diesel Blend Fuels

Document Type : Original Article

Authors

1 Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt.

2 Mechanical engineering department, Faculty of Engineering, Pharos University in Alexandria, Alexandria, Egypt., Mechanical Power Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt.

3 Mechanical Power Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt.

10.1088/1757-899X/975/1//iccee.2025.460388

Abstract

Single-crystal and powder X-ray diffraction, electron microscopy (TEM and SEM), and elemental analysis were used to characterize the nano-tube supramolecular coordination polymer {[Cu6(CN)6]·HDA}n, (NTSCP); (HDA= heptan-1,7-diamine). Both copper atoms have a tetrahedral shape and are coordinated with cyanide ligands. Cu1 and Cu2 create the unique cluster structure of two quadruple [Cu2(μ3- CN)2] units exhibiting coprophilic interaction. The development of channels of dimensions 8.917-15.270 nm that stretch three-dimensionally to create fused nanotubes with various shapes is indicated by the structure of NTSCP. In this paper, the prepared nano-tube SCP has been used as a chemical and physical properties enhancer to the west cooking oil biodiesel/diesel blended fuel in direct injection diesel engines. Fuel efficiency can be significantly increased by using NTSCPs, which are effective additives that enhance combustion characteristics and reduce emissions. The engine brake thermal efficiency, exhaust gas temperature, and flue gas concentrations were tested at different engine loads and fixed speeds of 1500 RPM. The experimental data of the engine indicate a consistent and promising engine performance, along with favourable emissions positive results.

Keywords

The International Conference on Chemical and Environmental Engineering
Volume 13, Issue 13
13th International Conference on Chemical and Environmental Engineering (ICEE-13).
October 2025
Pages 1-10

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