Ts'ebeliso ea mochini oa mochini oa filthara khoebong e futhumatsang ea hot-dip e Vietnam

Lintlha tsa motheo:Khoebo e sebetsana le lithane tse 20000 tsa metsi a chesang a chesang selemo le selemo, 'me metsi a litšila a hlahisoang hangata a hlatsoa metsi a litšila. Ka mor'a phekolo, palo ea metsi a litšila a kenang setsing sa phekolo ea metsi a litšila ke 1115 cubic metres ka selemo. E baloa ho latela matsatsi a 300 a ts'ebetso, palo ea metsi a litšila a hlahisoang e ka ba 3.7 cubic metres ka letsatsi.

Mokhoa oa kalafo:Ka mor'a ho bokella metsi a litšila, tharollo ea alkaline e kenngoa tanka e laolang neutralization ho fetola boleng ba pH ho 6.5-8. Motsoako o etsoa homogenized le homogenized ka ho susumetsa moea, 'me li-ion tse ling tse nang le ferrous li kenngoa ho li-ion tsa tšepe; Ka mor'a hore ho be le sedimentation, metsi a litšila a phallela ka tanka ea oxidation bakeng sa aeration le oxidation, ho fetola li-ion tsa ferrous tse sa tlosoang hore e be li-ion tsa tšepe le ho felisa ketsahalo ea ho ba mosehla ka har'a metsi a litšila; Ka mor'a ho qhibiliha, metsi a phallang ka boeona ka tanka ea metsi a sebelisoang hape, 'me boleng ba pH bo fetoloa ho 6-9 ka ho eketsa asiti. Hoo e ka bang 30% ea metsi a hloekileng a sebelisoa hape karolong ea ho hlatsoa, ​​​​'me metsi a hloekileng a setseng a finyella litekanyetso' me a hokahanngoa le marang-rang a lipeipi tsa likhoerekhoere tsa lehae sebakeng sa fektheri. Seretse se tsoang ka tanka ea sedimentation se nkuoa e le litšila tse kotsi ka mor'a ho ntšoa ha metsi, 'me filtara e khutlisetsoa tsamaisong ea kalafo.

Lisebelisoa tsa mochini oa sefa: Ho tlosa metsi a litšila ka mochini ho sebelisa lisebelisoa tse kang XMYZ30/630-UBmohatelli oa sefe(kakaretso ea matla a kamore ea filthara ke 450L).

Mehato ea boiketsetso:Lisebelisoa tsa ho laola pH li kentsoe libakeng tsohle tse kenyelletsang taolo ea boleng ba pH, ho etsa hore ho be bonolo ho sebetsa le ho boloka litekanyetso tsa meriana. Ka mor'a hore phetoho ea ts'ebetso e phethoe, ho tsoa ka ho toba ha metsi a litšila ho ile ha fokotseha, 'me ho ntšoa ha litšila tse kang COD le SS ho ile ha fokotseha. Boleng ba metsi a litšila bo fihlile boemong ba boraro ba Comprehensive Wastewater Discharge Standard (GB8978-1996), 'me zinki kaofela e fihlile boemong ba pele.