Coal, containing all the elements that are present in nature and more than 200 minerals, has
a complex chemical structure, making it one of the most complex geological materials …

Sulphur and halogens (fluorine, chlorine, bromine and iodine) are nonmetallic elements that
are found in various matrices, where their existence can be in the form of an impurity or of …

In this study, the anaerobic digestion of egg-laying hen manure combined with membrane-
based ammonia separation was investigated. Long-term continuous experiments with and …

A rapid, simple and green ultrasound-assisted extraction method using deep eutectic
solvents (DES) for extraction of As, Cr, Mo, Sb, Se and V in soil samples, has been …

Sulfur is one of the most abundant elements on the crust of Earth, and it is an essential
element for animals and plants. In addition to playing a vital role in living organisms, it has a …

Lithium is a very important metal for energy production. Lithium isotopes can be used to
trace the source of fossil fuels that contribute to atmospheric haze and examine the …

The present work describes the development of a novel and efficient microwave-assisted
digestion method based on the use of diluted hydrogen peroxide (H 2 O 2) for rapid …

Coal fly ash (CFA) provides important resources of gallium, which is regarded as an
irreplaceable material in many technologies. A prospective roasting reagent assisted acid …

In this review, sample preparation strategies and various analytical techniques are reviewed
in details for quantitative determination of multi-element in coal samples. In addition, this …

Coal combustion is one of the largest anthropogenic contributors to SO x and some other
volatile elemental emissions to the atmosphere. Therefore, the current study investigated the …