Mekhoa ea Kalafo bakeng sa Electroplating Cyanide Exhaust Gas

Selelekela

ka electroplating indasteri, li-cyanides li sebelisoa haholo e le li-additives tsa bohlokoa tsa electroplating. Li ka ntlafatsa haholo boleng le katleho ea likarolo tsa electroplating. Leha ho le joalo, nakong ea ts'ebetso ea electroplating, cyanide-e nang le khase ea ho ntša metsi e hlahisoa, e nang le lintho tse chefo haholo tse kang hydrogen cyanide (HCN). Sena se baka tšokelo e khōlō tikolohong le bophelong ba batho. Ka hona, phekolo e sebetsang ea electroplating cyanide exhaust khase e bohlokoa haholo.

Mehloli ea Khase ea Electroplating Cyanide Exhaust

1. Litanka tsa Electroplating: Nakong ea electroplating, ka lebaka la ho fetoha ha motlakase oa electrolyte le khase e hlahisoang ke karabelo ea electrolytic, khase ea ho qeta e nang le cyanide e lokolloa. Ka mohlala, ho cyanide electroplating ea khauta le silevera, metsoako ea cyanide e ka har'a motsoako oa ho pata e tla fetoha tlas'a ketso ea mocheso le motlakase.

2. Mekhoa ea ho Hloekisa: Ka mor'a electroplating, ha li-workpieces li hloekisoa ka ho hloekisa tharollo e nang le Li-cyanides, palo e nyenyane ea li-cyanide e tla fetoha. Le ha bongata ba li-cyanides ka tharollong ea ho hloekisa bo le tlase, ho bokellana ha nako e telele le ho feto-fetoha ha mocheso ho ntse ho ka baka mathata a tšilafalo.

3. Phekolo ea metsi a litšila: Haeba phekolo ea metsi a litšila ea electroplating e sa nepahala, khase ea cyanide e ka baleha. Ts'ebetsong ea ho phekola metsi a litšila a nang le cyanide, haeba maemo a karabelo a sa laoloe hantle, ho bola ha cyanides ho ka hlahisa khase ea HCN mme ea kena sepakapakeng.

4. Lisebelisoa tse thusang: Lisebelisoa tse kang tsamaiso ea moea le lisebelisoa tsa ho futhumatsa le tsona li ka hlahisa palo e fokolang ea khase ea ho tsoa nakong ea ts'ebetso. Le hoja chelete e le nyenyane, ha ho nahanoa ka chefo e phahameng ea cyanides, e ke ke ea hlokomolohuoa.

Litšobotsi tsa Electroplating Cyanide Exhaust Gas

1. Bohloko bo Phahameng: Metsoako ea cyanide, haholo HCN, e chefo e feteletseng. Esita le maemong a tlaase haholo, a ka baka kotsi 'meleng oa motho. Ho hema moea oa khase ea mouoane e nang le cyanide ho ka lebisa matšoao a kang hlooho, ho tsekela, ho hema ka thata, 'me maemong a matla, ho ka beha bophelo kotsing.

2. Maikutlo a Tlase empa Phello e Koketsang: Ka kakaretso, khase ea electroplating cyanide exhaust gas e batla e le tlase, empa ka lebaka la ho tsoela pele ho hlahisa nakong ea ts'ebetso ea electroplating, haeba e sa phekoloe ka katleho, phello e bokellaneng e tla baka tšilafalo ea nako e telele tikolohong.

Mokhoa oa Kalafo ea Electroplating Cyanide Exhaust Gas

1. Pokello ea Khase ea Exhaust

• Kenya lihoho tsa pokello ea khase kapa lisebelisoa tse ling tsa pokello libakeng tsa ho fehla khase. Lisebelisoa tsena tsa pokello li lokela ho etsoa ho ea ka mokhoa o khethehileng oa tlhahiso le mokhoa oa ho etsa bonnete ba hore khase ea ho ntša metsi e ka bokelloa ka katleho. Ka mohlala, setsing se seholo sa li-electroplating workshop, motsoako oa likoti tsa pokello ea libaka le mekhoa ea ho kenya moea ka kakaretso e ka sebelisoa ho tšoara ka ho feletseng khase ea mouoane e nang le cyanide.

2. Pherekano

• Ho Tlosa Lerōle: Sebelisa lisebelisoa tsa ho tlosa lerōle tse kang li-filters tsa mokotla kapa li-precipitator tsa electrostatic ho tlosa ntho e itseng ka har'a khase ea mouoane. Likokoana-hloko li ka 'na tsa jara metsoako ea cyanide holim'a eona,' me ho e tlosa esale pele ho ka ntlafatsa katleho ea phekolo e latelang le ho thibela tšenyo ea thepa ea phekolo.

• Ho Tlosa Mongobo le Mongobo: Kaha khase ea exhaust e ka 'na ea e-na le mouoane oa metsi le moholi oa oli, sebelisa lisebelisoa tse senyang metsi le li-dehumidifiers ho tlosa lintho tsena. Mouoane oa metsi o ka ama ts'ebetso ea karabelo ea lits'ebetso tse latelang tsa kalafo, 'me moholi oa oli o ka ama ts'ebetso ea li-catalysts le li-absorbents.

3. Mokhoa o ka Sehloohong oa Kalafo

• Mokhoa oa ho monya lik'hemik'hale

• Molao-motheo: Sebelisa litharollo tsa alkaline tse kang sodium hydroxide (NaOH) kapa calcium hydroxide (Ca(OH)₂) e le lintho tse monyang. Motsoako oa cyanide o kopana le motsoako oa alkaline ho etsa matsoai a cyanide. Mohlala, HCN e sebetsana le NaOH ho theha Sodium cyanide (NaCN), e ka khonang ho tlosa cyanide ka katleho khase ea ho qeta.

• Process: Khase ea mouoane e kena tora ea ho monya lik'hemik'hale, moo e kopanang le tharollo ea alkaline e fafalitsoeng ka mokhoa o fapaneng. Hangata tora ea ho monya e tletse lisebelisoa tsa ho paka ho eketsa sebaka sa ho ikopanya pakeng tsa khase le mokelikeli, ho ntlafatsa ts'ebetso ea ho monya.

• Mokhoa oa Catalytic Oxidation

• Molao-motheo: Tlas'a ts'ebetso ea catalyst, cyanide khaseng ea mosi e oxidized ho ba e seng chefo k'habone dioksidese (CO₂), metsi (H₂O), le naetrojene (N₂). Dikabohaedreite tse tlwaelehileng di kenyeletsa dikabohaedreite tsa tshepe ya bohlokwa (tse kang platinum, palladium) le dikabohaedreite tsa tshepe ya oxide (tse kang titanium dioxide, vanadium pentoxide).

• Process: Ka mor'a ho feta tora ea ho monya lik'hemik'hale, khase ea ho qeta e kena ka sesebelisoa sa catalytic oxidation. Sesebelisoa sena se na le bethe ea mokelikeli, 'me khase ea ho qeta e feta betheng ea mocheso ka mocheso o itseng le lebelo la sebaka. Sehlahisoa se khothalletsa karabelo ea oxidation ea cyanide, e fokotsa chefo ea eona.

• Mokhoa oa ho monya metsi

• Molao-motheo: Sebelisa tora ea ho monya e metsi ho fafatsa mokelikeli o monyang ho monya cyanide ka har'a khase e tsoang. Mokelikeli o ka ba tharollo e khethehileng ea lik'hemik'hale e entsoeng ho latela litšobotsi tsa cyanide.

• Process: Khase ea ho ntša metsi e kena ka tora ea ho monya e metsi ho tloha tlase, 'me mokelikeli o fafatsoa ho tloha holimo. Tse peli li kopane ka tora, 'me cyanide e ka har'a khase ea ho ntša metsi e monngoa ke monyezi. Mokelikeli o monyelitsoeng o sebetsoa ka thoko ho tlosa cyanide.

• Mokhoa oa Phekolo ea Likokoana-hloko

• Molao-motheo: Likokoana-hloko tse ling li na le matla a ho bola cyanide. Sebelisa likokoana-hloko tsena ho senya cyanide ka khase ea mouoane sebakeng se loketseng.

• Process: Khase ea mouoane e qala ka mongobo ebe e kena sesebelisoa sa phekolo ea likokoana-hloko. Sesebelisoa se na le sesebelisoa sa biofilm seo likokoana-hloko li khomaretsoeng ho sona. Cyanide ka khase ea mouoane e khangoa ke biofilm mme e bolisoa ke likokoana-hloko hore e be lintho tse seng chefo. Leha ho le joalo, mokhoa ona o hloka taolo e tiileng ea maemo a tikoloho joalo ka mocheso, pH, le phepelo ea limatlafatsi ho netefatsa kholo e tloaelehileng le tšebetso ea likokoana-hloko.

4. Tlhokomelo le Phallo

• Kenya lisebelisoa tsa ho beha leihlo marang-rang boema-kepeng ba ho ntša khase ho tsoela pele ho lekola bongata ba cyanide le lintho tse ling tse silafatsang khase ea mosi. Ke feela ha khase ea exhaust e kopanang le litekanyetso tsa naha le tsa lehae moo e ka ntšetsoang sepakapakeng. Lintlha tsa ho beha leihlo li lokela ho tlalehoa le ho tlalehoa khafetsa ho netefatsa boikamahanyo ba tikoloho.

Case Tse Ithutoang

Khoebo e itseng ea electroplating e bile le mathata a tebileng a tšilafalo ea khase e nang le cyanide nakong ea tlhahiso. Ho rarolla bothata bona, k'hamphani e nkile mehato e latelang ea kalafo:

1. Pokello ea Khase ea Exhaust: E kentse sebaka se phahameng sa pokello ea khase ka holim'a tanka ea electroplating ho etsa bonnete ba hore ho feta 95% ea khase ea ho tsoa e bokelloa.

2. Pherekano: Theha mokhoa oa ho tlosa lerōle le ho tlosa mongobo ho tlosa ka katleho lintho tse nyenyane le mouoane oa metsi ka har'a khase ea ho ntša metsi.

3. Kalafo e ka Sehloohong: E amohetse motsoako oa ho monya lik'hemik'hale le lits'ebetso tsa catalytic oxidation. Ntlha ea pele, khase ea ho qeta e kene ka tora ea ho monya lik'hemik'hale e tletseng tharollo ea NaOH ho tlosa boholo ba cyanide. Ka mor'a moo, cyanide e setseng e ile ea boela ea tšeloa oxidation 'me ea bola ka sesebelisoa sa catalytic oxidation.

4. go baya leitlho: E kentse mokhoa oa ho beha leihlo marang-rang ho netefatsa hore khase ea mouoane e hloekisitsoeng e finyella litekanyetso tsa naha.

Kamora ho kengoa ts'ebetsong ha mehato ena, khatello ea cyanide ka har'a khase ea mouoane oa khoebo e ile ea fokotseha haholo, ea fokotsa ka nepo tšilafalo ea tikoloho le ho sireletsa bophelo bo botle ba basebetsi.

fihlela qeto e

Kalafo ea electroplating cyanide exhaust gase ke mohato oa bohlokoa ho sireletsa tikoloho le bophelo ba batho indastering ea electroplating. Ka ho amohela pokello e nepahetseng ea khase ea mouoane, kalafo ea pele, kalafo ea mantlha, le mehato ea ho beha leihlo le ho e ntša, bongata ba cyanide ka khase ea mouoane bo ka fokotsoa ka nepo ho fihlela litlhoko tsa ts'ireletso ea tikoloho. Nakong e tlang, ka ntlafatso e tsoelang pele ea litlhoko tsa ts'ireletso ea tikoloho, likhoebo tsa electroplating li hloka ho tsoela pele ho ntlafatsa le ho qapa mekhoa ea phekolo ea khase ea ho ntša metsi ho finyella tsoelo-pele e tsitsitseng.