In the present research, granular metallic iron was used to reduce the
chlorine species into chloride in chlorine solutions. Optimum conditi
ons were investigated with regard to pH, particle size, and contact pe
riod. It was determined that the species of OCl- and HOCl were removed
by 100% between pH 4 and 7 within 25 min. Copyright (C) 1996 Elsevier
Science Ltd.