In a batch reactor the reactants and the catalyst
are placed in the reactor which is then closed to transport of matter and the reaction
is allowed to proceed for a given time whereupon the mixture of unreacted material
together with the products is withdrawn. Provision for mixing may be required.
PAC, 1976, 46, 71
(Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix
II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II:
on page 80