Thibelo le taolo ea tšilafalo ts'ebetsong ea ho etsa pampiri ea ntloana li ka aroloa ka mekhahlelo e 'meli: kalafo e sa sireletseng tikoloho ea semela sebakeng seo le kalafo ea metsi a litšila kantle ho sebaka seo.
Kalafo ea ka hare ho limela
Ho kenyeletsoa: ① matlafatsa tokisetso (lerōle, sediment, ho peeling, pith, jj.), tšebeliso ea moqokeleli oa lerōle la filimi ea metsi, ho fokotsa tšilafalo ea lerōle setsing sa ho lokisetsa, pokello ea litšila, ho hlaphoheloa ha matla a mocheso, joalo ka tšebeliso ea makhapetla, li-chips tsa patsi, boiler ea ho chesa joang; ② paballo ea metsi, ho sebelisoa hape ha metsi a masoeu, ho sebelisoa hape ha metsi ka makhetlo a 'maloa; ③ ho ntlafatsa ho ntšoa ha joala bo botšo bo phehiloeng, ho matlafatsa tsamaiso ea karolo ea ho hlatsoa ea counter current ho eketsa palo ea likarolo, ho fokotsa bongata ba joala bo botšo bo phehiloeng ka pulp e nkiloeng ho hlatsuoa, le ho sebelisa mokhoa o phethahetseng oa ho hlaphoheloa ha metsi a litšila a ho pheha lik'hemik'hale le theknoloji ea matla a mocheso, joalo ka ho hlaphoheloa ha alkali, le ts'ebeliso e felletseng ea metsi a litšila. 'Me u sebelise mokhoa o phethahetseng oa ho hlaphoheloa ha metsi a litšila a ho pheha lik'hemik'hale le theknoloji ea matla a mocheso, joalo ka ho hlaphoheloa ha alkali, hammoho le ts'ebeliso e 'ngoe e felletseng ea theknoloji ea metsi a litšila; ④ chlorine dioxide kapa oxy-alkali bleaching, kapa hydrogen peroxide bleaching, e le ho fokotsa lignin chloride ea metsi a litšila, chlorophenol le mesi e meng e chefo; ⑤ condensate e litšila e hloekisitsoeng ka mokhoa oa ho ntša mouoane bakeng sa ho sebelisoa hape ho fokotsa mesi e litšila ea sebabole le lintho tse qhibilihang tse fokolang metsing; ⑥ pokello ea joala bo botšo bo phallang le bo rothang, mokelikeli o motala, mokelikeli o mosoeu, ka taolo ea khomphutha ea elektroniki ho lekanya mahloriso a eona, e khutlisetsoa ka bohona ho percussion e tsamaellanang le eona, ho fokotsa mesi e kotsi; ⑦ ho hlaphoheloa ha likhoele tse lahlehileng, ho fokotsa litaba tsa lintho tse tiileng tse emisitsoeng metsing a litšila; ⑧ ho ntlafatsa ho hlaphoheloa ha sesepa sa turpentine sulphate, ho fokotsa ho tsoa ha lintho tse chefo; ⑨ kalafo ea litšila tse tiileng, tšebeliso ea ho tuka ho khutlisa mocheso, tšebeliso e felletseng le ho tlatsa sekoti sa mefuta e meraro ea kalafo; ⑩ kalafo ea lerōle, e ka sebelisoa ho tloseng lerōle ka motlakase, ho tlosoeng lerōle la filimi ea metsi le karohano ea sefefo le lisebelisoa tse ling; ts'ebetso ea tšilafalo ea moea Sekarohano le lisebelisoa tse ling; kalafo ea tšilafalo ea moea, pokello ea khase e nkhang hamonate setsing se seng le se seng sa mosebetsi, ho kenyeletsoa khase e nkhang hamonate e phahamisitsoeng ke mouoane o litšila oa metsi a condensation, kamora ho pholile, ho felloa ke metsi 'meleng, ho thibela ho phatloha le mehato e meng, e rometsoeng boiler, ontong ea ho hlaphoheloa ea alkali kapa kalafo ea ho tuka ha ontong ea lime;? Kalafo ea lerata, nka mehato ea ho felisa ho thothomela, ho thibela molumo le ho fetohela ho lisebelisoa tse nang le lerata le tlase.
Kalafo ea metsi a litšila ka ntle ho fektheri
Metsi a litšila a tsoang mothapong oohle oa ho ntša metsi a semela sohle a phekoloa boemong ba pele kapa ba bobeli pele a tšolloa metsing, kapa metsi a litšila a sebelisetsoa ho nosetsa 'me mobu le limela li sebelisetsoa ho hloekisa metsi a litšila. Kalafo ea mantlha e tlosa lintho tse emisitsoeng haholo-holo, ka mekhoa e kang ho sedimentation le ho sefa le ho flotation ha moea. Limela ka bomong li eketsa li-flocculant metsing a litšila ho tlosa tse ling tsa lintho tse qhibilihisitsoeng tsa colloidal, tse kang lignin le pigment. Kalafo ea mantlha e akaretsang e ka tlosa 80 ~ 90% SS le 20% BOD5. Kalafo ea bobeli bakeng sa kalafo ea biochemical, haholo-holo ho tlosa BOD5. Chaena e na le limela tse 'maloa tse sebelisitsoeng mokhoa ona, ho baloa matamo a oxidation, li-biofilters, bio-turntable le seretse se sebetsang (ho kenyeletsoa le ho monya le ho nchafatsa, ho potlakisa moea, oxidation ea ho kopana). Kalafo ea bobeli e akaretsang e ka tlosa 60 ~ 95% BOD5. Linaheng tse tsoetseng pele tsa indasteri, ho na le limela ka bomong bakeng sa ho tlosa 'mala oa metsi a litšila le kalafo ea tlhoekiso, e le ho fihlela boemo ba metsi a nooang, empa litšenyehelo lia tura.
Pampiri ea ntloana ea Yashi e 100% ha e sebelise manyolo a lik'hemik'hale le chefo e bolaeang likokoanyana. Ts'ebetso eohle e sebelisa theknoloji ea ho phunya le ho se soeufatse ho netefatsa hore ha ho na masala a chefo le a kotsi joalo ka lik'hemik'hale, chefo e bolaeang likokoanyana, litšepe tse boima, jj. E lekiloe ke mokhatlo oa liteko oa machaba o tsebahalang oa SGS 'me ha e na likarolo tse chefo le tse kotsi le li-carcinogen. Tšebeliso E bolokehile haholoanyane 'me bareki ba na le bonnete bo eketsehileng.
Nako ea poso: Phato-13-2024
