Water is an exceptionally essential source for the presence of life on the earth. The water
quality has seriously affected because of the overgrowth of the population, human activities …

Arsenic's history in science, medicine and technology has been overshadowed by its
notoriety as a poison in homicides. Arsenic is viewed as being synonymous with toxicity …

Next to cellulose, lignin is the second most abundant biopolymer, and the main source of
aromatic structures on earth. It is a phenolic macromolecule, with a complex structure which …

Water pollution by heavy metal ions is currently of great concern due to their high toxicity
and carcinogenicity. In recent years, great efforts have been devoted to the search for new …

Industrial, agricultural, and domestic activities of humans have affected the environmental
system, resulting in drastic problems such as global warming and the generation of …

The present review compiles the work done over the last few decades on the use of lignin
and lignin-based chars and activated carbons as adsorbents for the removal of substances …

Industrial wastes, such as, fly ash, blast furnace slag and sludge, black liquor lignin, red
mud, and waste slurry, etc. are currently being investigated as potential adsorbents for the …

Lignin as a naturally synthesized polymer widely existing in plant cell walls, is characterized
by extensive sources, environmental protection and abundant functional groups. In recent …

The primary aim of modern biorefineries is the efficient conversion of lignocellulosic
materials into valuable products. Sugars and oils can be converted into valuable chemicals …

Bio-char by-products from fast wood/bark pyrolyses, were investigated as adsorbents for the
removal of the toxic metals (As3+, Cd2+, Pb2+) from water. Oak bark, pine bark, oak wood …