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Carbon Nanotube-Like Materials in the Exhaust From a Diesel Engine Using Gas oil/ethanol Mixing Fuel With Catalysts and Sulfur

Carbon Nanotube-Like Materials in the Exhaust From a Diesel Engine Using Gas oil/ethanol Mixing Fuel With Catalysts and Sulfur

Shunsuke Suzuki, Shinsuke Mori

J Air Waste Manag Assoc. 2017 Aug;67(8):873-880.

PMID: 28278030

Abstract:

Particulate matter from a diesel engine, including soot and carbon nanomaterials, was collected on a sampling holder and the structure of the materials was studied by transmission electron microscopy (TEM) and scanning electron microscopy (SEM). As a result of employing gas oil/ethanol mixing fuel with sulfur and ferrocene/molybdenum as catalyst sources, formation of carbon nanotubes (CNT)-like materials in addition to soot was observed in the exhaust gas from a diesel engine. It was revealed that CNT-like materials were included among soot in our system only when the following three conditions were satisfied simultaneously: high ethanol fraction in fuel, high sulfur loading, and presence of catalyst sources in fuel. This study confirmed that if at least one of these three conditions was not satisfied, CNT-like materials were not observed in the exhaust from a diesel engine. These experimental results shown in this work provide insights into understanding CNT-like material formation mechanism in a diesel engine.
Implications:
Recent papers reported that carbon nanotube-like materials were included in the exhaust gas from engines, but conditions for carbon nanotube-like material formation have not been well studied. This work provides the required conditions for carbon nanotube-like material growth in a diesel engine, and this will be helpful for understanding the carbon nanotube-like material formation mechanism and taking countermeasures to preventing carbon nanotube-like material formation in a diesel engine.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS212772	Sulfur in Diesel			Price

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