35 Ill. Adm. Code 211.695
Batch Operation
Section 211
Section 211.695 Batch
Operation
"Batch operation"
means, for purposes of 35 Ill. Adm. Code 218 and 219, Sections 218.500 through
218.506 and 219.500 through 219.506, a noncontinuous operation in which a
discrete quantity or batch of feed is charged into a chemical manufacturing
process unit and distilled or reacted, or otherwise used at one time, and may
include, but is not limited to, reactors, filters, dryers, distillation
columns, extractors, crystallizers, blend tanks, neutralizer tanks, digesters,
surge tanks and product separators. After each batch operation, the equipment
is generally emptied before a fresh batch is started.