In Pakistan several types of zinc-containing waste material are available; these include: electric arc furnace flue dust
, zinc scrap and spent dry cell batteries out of which major proportion of zinc found in EAF dust in different forms.
During the production of steel from Electric Arc Furnace (EAF), large amount of by-product called EAF flue dust
Table 1--Raw materials and products of a blast furnace per ton pig iron Tons Raw materials Ore 1.7 Coke 0.5-0.65 Flux (limestone) 0.25 Air 1.8-2.0 Products Pig iron 1.0 Slag 0.2-0.4 Flue dust
0.05 Blast furnace gas 2.5-3.5
They include materials like iron ores, copper chloride residue, salt and salt sludge, ammonium paratungstate, chromite ore fines, nickel laterites, petroleum coke, rare earth oxides, zinc oxide flue dust
, red mud, and ferrochromium powder.
Contaminated flue dust
from a mining and metallurgical Superfund site in Idaho may be headed to a Colorado landfill as part of a plan to clean up a waste site south of Laramie.
is an industrial waste reinforced in unsaturated polyester and investigated coefficient of friction and wear loss  Chicken feather also a waste from poultry is reinforced in epoxy matrix composite .
After a compliance check under the dossier evaluation procedure, the ECHA issued a final decision requiring Italcementi to submit additional information relative to the identity of the registered substance, flue dust
from Portland cement (name, composition and detailed description of the industrial process).
During the roasting of arsenopyrite concentrates for their gold recovery, flue dust
containing 60-70% arsenic trioxide is collected through the gas handling system.
The process of sintering involves reclaiming the fine dust-like particles of iron which are too small to be used in the blast furnace and mixing them with fine coke, flue dust
, limestone and water.
The stack gas is cleaned from flue dust
by electrical filter before outlet into the open air.
Similarly, Midrex Technology Corp., Charlotte, N.C., has reported that it has produced blast-furnace-quality iron from hot-strip-mill and basic oxygen furnace sludge, mill scale, blast-furnace flue dust
and filter cake in a new process that uses Midrex's FastMet process.