Desulfurization as a pre-treatment technique, of the transportation fuel is peremptory both for
upgrading fuel quality for commercial exploitation and reducing the outflow of poisonous …

Pyrite in coal causes serious environmental pollution in the utilization of coal. Flotation is an
appropriate method to remove pyrite present in fine coal. Sodium humate (HA-Na) and 3 …

The selective removal of stable sulfur-configuration makes high-sulfur coking coal reserves
available in coking process. However, stable organic sulfur is difficult to remove effectively …

This study reports the desulfurization and deashing of Hangu coal by air oxidation assisted
froth floatation technique applying performic acid (H 2 O 2+ HCOOH) as co-oxidant and Fe …

Handling and disposal of high volume of fine coal tailings is a biggest challenge for coal
washeries. Separation of clean coal by density separation and flotation shows limited yields …

Iron-assisted pyrolysis (Fe-assisted pyrolysis) is a high-efficiency technique to remove sulfur
from low-rank coal. However, the sulfur removal mechanism of Fe-assisted pyrolysis did not …

In the present study, desulfurization and de-ashing of the low rank lignite coal were
investigated by catalytic oxidation using H2O2/HCOOH oxidation system in the presence of …

Coal combustion for energy results in the emission of air pollutants such as NO x and SO x,
which negatively affect human health and the environment. Reducing toxic gas emissions …

The desulfurization and de-ashing of Darra Adam Khel Coal (Pakistan) was studied by
oxidation using Hydrogen peroxide (H2O2) and formic acid (HCOOH) oxidation system. The …

In this research work, thar coal was treated with NaOH solution in dissolved oxygen with
different reaction parameters in an isothermal reactor. All three types of sulfur were removed …