However, some primary refineries also refine secondary lead; this has led to a growing use of rotary furnaces, which are batch kilns that are rotated during the smelting process.
Moreover, reaction times for the batch process in an industrial kiln are typically 8 days.
In this work, the adsorption of Basic Blue 69 (BB69) and Acid Red 114 (AR114) dyes on cement kiln dust using batch technique was studied.
If the limit of PCBs in used oils is exceeded, the owner is enforced to destruct the complete oil batch by incineration in rotary kilns.
Veneer kilns that operate as batch units, veneer dryers heated by radio frequency or microwaves that are used to redry veneer, and veneer redryers (defined elsewhere in this section) that are heated by conventional means are not considered to be hardwood veneer dryers.
Veneer kilns that operate as batch units, veneer dryers heated by radio frequency or microwaves that are used to redry veneer, and veneer redryers (defined elsewhere in this section) that are heated by conventional means are not considered to be softwood veneer dryers.
Upon his return to his Verona, Wisconsin studio Littleton began melting small batches of glass in his ceramics kiln, using hand-thrown stoneware bowls as crucibles.
Twisting up and down Ichon's mountain roads, you encounter kiln upon kiln.
On harvesting day, they are wheeled to the gamma-ray kiln in red picnic coolers, each batch in a plastic pipe the size of a gelato container.
The paucity of details surrounding the latest royal admission did not discourage the "unabashed monarchists" at pottery company Emma Bridgewater from sending their first batch of £19.95 hand-made mugs to the kiln at the firm's Victorian factory in Stoke-on-Trent.
In the concrete batches, expanded clay particles that were manufactured in a rotary kiln were used as the lightweight aggregates.
