Ho etsa pampiri ho hlahisa alkali sulfide, caustic soda le li-alkali tse ling nakong ea ho phunya le ho pheha.Lik'hemik'hale tsa sebabole tse kang H2S, methyl mercaptan, dimethyl mercaptan, le likhase tse ling tse senyang le tsona li hlahisoa nakong ea ho phunya, 'me khase ea chlorine e boetse e hlahisoa nakong ea pulp bleaching.Sebaka sa polante se sebelisa lisekoere-mithara tse 120,000 tsa letlapa la tšepe le koahetsoeng ka matla, le sebelisoang haholo-holo bakeng sa sebaka se ka ntle se thibelang kutu ea marulelo le sekontiri sa tora ea seretse.
Lihlahisoa tse ncha tse entsoeng lipatlisiso le ho ntlafatsoa ke k'hamphani ea rona - matla a koahetsoeng ka tšepe a sebelisoa haholo ka metallurgy, salinization, manyolo, khatiso le ho daea, indasteri ea lik'hemik'hale, ceramics, electroplating, casting, chlor-alkali, tšepe e seng ferrous le liindasteri tse ling.E sebelisoa haholo ho likhokahano tsa boleng bo holimo tsa indasteri le liindasteri tsa sesole.
Re netefatsa hore lilemo tse tšoarellang li feta lilemo tse leshome bakeng sa lakane ea tšepe e koahetsoeng ka matla.