TheTsamaiso ea Benfieldke motheo oa indasteritlhoekiso ea khase, e amohelwang haholo dimeleng tsa dikhemikhale ho tlosa carbon dioxide (CO2) le hydrogen sulfide (H2S) melapong ya kgase, ho netefatsa hore ho na le dihlahiswa tse hlwekileng haholo bakeng sa ditshebediso tsa tlhahiso ya ammonia, tlhahiso ya haeterojene le tshebetso ya kgase ya tlhaho. Taolo e nepahetseng hodima ho bokellana ha tharollo ena ya ho hlwekisa e bohlokwa ho thibela diphephetso tsa tshebetso tse kang ho fofonela, ho fokotseha ha bokgoni ba ho monya, kapa ho bola ha disebediswa.Methara ea mahloriso ea potassium carbonate e ka hareleli-analyzer tsa mahloriso a potassium carbonate tse ka harefana ka tharollo e fetolang ka ho fana ka tlhokomelo e tsoelang pele, ea nako ea sebele ea maemo a K2CO3 le potassium bicarbonate (KHCO3), e nolofalletsang basebetsi ho ntlafatsamokhoa oa ho hloekisa khasele ho fihlella poloko e kgolo ya ditjeo.
Tataiso ena e felletseng e hlahloba mekhoa eaTsamaiso ea Benfield bakeng sa ho tlosoa ha khase ea asiti, le melemo ea tsona bakeng sa liindasteri tse kanglifeme tsa tlhahiso ea ammonia,lifeme tsa tlhahiso ea haeterojene,lifeme tsa ho sebetsana le khase ea tlhaho,limela tsa peterole,lifeme tsa ho fokotsa tšepe ka ho tobalelifeme tsa khase ea mashalaKa ho kopanya lisebelisoa tsena tse tsoetseng pele, basebetsi ba lifeme ba ka ntlafatsa bokgoni, ba netefatsa hore ho latela melao e thata, le ho fana ka tlhahiso e tsitsitseng le ea boleng bo holimo ea khase.
Khemistri le Mekaniki ea Ts'ebetso ea Benfield
TheTsamaiso ea Benfield, e ntshetsweng pele ke US Bureau of Mines mme e laesensetswe ke UOP (eo hona jwale e leng karolo ya Honeywell), ke tshebetso ya ho qhibilihisa e ntjhafatswang ka mocheso, e potolohang e sebedisang tharollo e chesang ya K2CO3 ho tlosa CO2 le H2S melapong ya kgase. Ke mokgwa o tshepahalang watlhoekiso ea khaseLiindastering tse hlokang likhase tse hloekileng haholo, tse kang tlhahiso ea ammonia bakeng sa manyolo, tlhahiso ea haedrojene bakeng sa ho hloekisa, le ts'ebetso ea khase ea tlhaho bakeng sa litlhaloso tsa liphaephe. Ts'ebetso ena e sebetsa ka mekhahlelo e 'meli ea mantlha: ho monya le ho nchafatsa.
Nakong ea mohato oa ho monya, phallo ea khase e hlahisoa tlase kholomong ea monya, e phallang khahlanong le motlakase ho ea tharollong e chesang ea K2CO3 (hangata 20-30 wt%) mochesong o pakeng tsa 100°C le 110°C le khatello e phahameng.
H2S le yona e monyela, e etsa dihlahiswa tse ding tsa karabelo. Khase e hlwekisitsweng e tswa ka hodimo ho monya, ha tharollo e ruileng, e tletseng KHCO3, e fetisetswa ho regenerator (stripper). Mokgahlelong wa tsosoloso, tharollo e futhumatswa ka mouoane kapa e fokotswa kgatello, e fetola karabelo ho lokolla CO2 le H2S, ka hona e hlahisa tharollo ya K2CO3 hape bakeng sa ho sebediswa hape. Tshebetso ena ya potoloho e netefatsa tshebetso e tswelang pele, empa bokgoni ba yona bo itshetlehile hodima ho boloka maemo a K2CO3 le KHCO3 a matle ho qoba mathata a tshebetso.
Hobaneng Taolo ea Mahloriso e le ea Bohlokoa
Taolo e nepahetseng ea mahloriso a tharollo ea K2CO3 e bohlokoa ka mabaka a 'maloa. Maemo a feteletseng a KHCO3 a ka lebisa ho foameng ha monyang, e leng se sitisang ho kopana ha khase le mokelikeli, se fokotsa bokhoni ba ho monya CO2, 'me se beha tšenyo ea lisebelisoa kotsing. Ka lehlakoreng le leng, mahloriso a sa lekaneng a K2CO3 a fokotsa bokhoni ba tharollo ba ho monya likhase tsa asiti, e leng se fellang ka tlhoekiso e sa fellang le ho se latele litlhaloso tsa sehlahisoa. Ho feta moo, mahloriso a sa lokelang a ka eketsa tšebeliso ea matla nakong ea tsosoloso, kaha litharollo tse ruileng haholo li hloka mouoane o mongata ho lokolla likhase tse hapuoeng, 'me li ka mpefatsa mafome lisebelisoa ka lebaka la tlhaho ea alkaline ea tharollo.
Ho tloha khale, tlhokomelo ea mahloriso e ne e itšetlehile ka ho nka sampole ka letsoho le tlhahlobo ea laboratori, ts'ebetso e hlokang basebetsi ba bangata, e sekametseng ho tieho, 'me e sa khone ho fana ka temohisiso ea nako ea sebele. Meeli ena e ka lebisa ho se sebetseng hantle ha ts'ebetso, litšenyehelo tse eketsehileng tsa ts'ebetso, le litlolo tse ka bang teng tsa taolo.Methara ea mahloriso ea potassium carbonate e ka hareho rarolla mathata ana ka ho fana ka litekanyo tse tswelang pele le tse nepahetseng, ho nolofalletsa diphetoho tse potlakileng ho boloka maemo a tshebetso a matle le ho ntlafatsa tshebetso yaTsamaiso ea BenfieldSehlahisoa.
Lihlahisoa tse Khothaletsoang
Kamoo Methapo ea Mahloriso a Inline e Sebetsang Kateng
Methara ea mahloriso ea potassium carbonate e ka harekapabahlahlobike sesupa-tsela se tsoetseng pele sa ts'ebetso se etselitsoeng ho lekanya K2CO3le KHCO3mahloriso a ka kotloloho ka hara molapo wa tshebetso, e leng se fedisang tlhoko ya ho nka sampole ka letsoho. Disebediswa tsena di entswe hore di sebetse tlasa maemo a thata aTsamaiso ea Benfield, ho kenyeletsoa le mocheso o phahameng (ho fihlela ho 110°C) le likhatello, 'me li hahiloe ka thepa e sa senyeheng ho mamella tikoloho ea alkaline ea tharollo ea ho hlatswa.
Ho sebelisoa mahlale a 'maloa limithareng tsena, 'me e 'ngoe le e 'ngoe e fana ka melemo e ikhethang:
Tekanyo ea Ultrasonic: Limithara tsena li lekanya lebelo la molumo ka har'a mokelikeli, e leng se amanang le ho teteana ha oona le mahloriso. Mokhoa ona ha o angoe ke ho tsamaisa ha tharollo, 'mala, kapa ho pepeneneng ha eona, e leng se etsang hore e tšepahale haholo bakeng saTsamaiso ea Benfield bakeng sa CO2ho tlosoaKa ho nepahala ha tekanyo ea 0.05% ho isa ho 0.1%, li-ultrasound concentration metres li fana ka data e nepahetseng bakeng sa ho boloka likarolelano tse ntle ka ho fetisisa tsa alkali-ho-bicarbonate.
Tekanyo ea ho khanna: Limithara tsena li hlahloba ho tsamaisoa ha motlakase ha tharollo, ho fapana ho latela mahloriso a li-ion tsa K+ le HCO3. Limithara tsa ho tsamaisoa ha motlakase li theko e tlaase ebile li loketse ho shebella liphetoho tsa ionic empa li ka hloka puseletso ea mocheso ho netefatsa ho nepahala.
Tekanyo ea Botenya: Ka ho lekanya bongata ba tharollo, bo fetohang ka karolo ea K2CO3 le KHCO3, limithara tsena li fana ka sesupo se tšepahalang sa mahloriso. Limithara tsa bongata li nepahetse empa li ka 'na tsa hloka ho lekanngoa bakeng sa liphetoho tsa mocheso.
Tekanyo ea Coriolis: Le hoja di sebediswa haholoholo bakeng sa ho lekanya phallo, dimetara tsa Coriolis di ka boela tsa lekanya bongata ka ho nepahala ho hoholo (mohlala, ±0.001g/cc), di fana ka mokgwa o se nang ho thella ho hakanya mahloriso metswakong ya dikarolo tse pedi jwalo ka ditharollo tsa K2CO3 le KHCO3.
Hangata dimithara tsena di kenngwa ka hara phaephe pakeng tsa absorber le regenerator kapa moleng wa recirculation, ho netefatsa tlhokomelo e felletseng yasistimi ea tlhoekiso ea khaseKa ho fana ka data ea nako ea sebele, li nolofalletsa basebetsi ho lemoha le ho lokisa ho kheloha ha mahloriso hang-hang, ho thibela mathata a kang ho foa kapa ho monya ho sa lekaneng.
Maano a ho Kenya le ho Kopanya
Ho eketsa katleho eali-analyzer tsa mahloriso a potassium carbonate tse ka hare, ho kenya ka leano ke habohlokoa. Limithara li lokela ho beoa libakeng tsa bohlokoa, joalo ka phaephe ho tloha ho monya metsi ho ea ho regenerator le mohala oa ho potoloha ha tharollo o sa tebang, ho hapa liphetoho tsa mahloriso nakong eohle ea ts'ebetso. Litsamaiso tse sa hlokahaleng li ka sebelisoa ho netefatsa ts'ebetso e tsoelang pele nakong ea tlhokomelo, ho fokotsa nako ea ho se sebetse.
Ho kopanngoa le litsamaiso tsa taolo ea limela ho lumella liphetoho tse iketsahallang, joalo ka ho laola tekanyo ea K2CO3 kapa ho kenngoa ha mouoane, ho latela data ea nako ea sebele. Ho leka-lekanya khafetsa ka litharollo tse tloaelehileng hoa hlokahala ho boloka ho nepahala, haholo-holo maemong a feto-fetohang aMokhoa oa ho tlosa Benfield CO2.
| Theknoloji | Melemo | Likopo Ts'ebetsong ea Benfield |
| Ultrasonic | Ho nepahala ho hoholo, ha ho angoe ke ho tsamaisa motlakase | Ho beha leihlo K2CO3/KHCO3 liphaepheng tsa ho monya |
| Ho khanna motlakase | E theko e tlase, e bonolo ho e kenya tshebetsong | Ho latela liphetoho tsa ionic tharollong ea ho hlapa |
| Botenya | E ka tšeptjoa bakeng sa ho nahana ka mahloriso | Ho lekanya bongata ba tharollo ho regenerator |
| Coriolis | Ha e na ho thellisa, ho nepahala ho hoholo | Tlhokomelo e felletseng lits'ebetsong tse phallang haholo |
Tafole ena e hlalosa mahlale a bohlokoa a sebelisitsoeng holimithara tsa mahloriso, e totobatsang ho tšoaneleha ha tsona bakeng saTsamaiso ea Benfield.
Melemo ea Methapo ea Mahloriso a Inline
Ho Ntlafatsa Bokgoni ba Ts'ebetso
Ho amoheloa hali-meter tsa mahloriso a potassium carbonate tse ka hareHo ntlafatsa haholo bokgoni ba tshebetso dimeleng tsa dikhemikhale. Ka ho fana ka data e tswelang pele, ya nako ya sebele, dimetara tsena di thusa basebetsi ho lemoha le ho lokisa diphapang tsa mahloriso hang-hang, ho fokotsa kotsi ya ditshitiso tsa tshebetso. Mohlala, ho thibela ho foamela ho bakwang ke maemo a hodimo a KHCO3 ho fokotsa tshebediso ya matla ka hara motjhini o ntjhafatsang, kaha ho hlokahala mouoane o monyane ho lokolla dikgase tse hapilweng. Ho ntlafatsa tekanyo ya K2CO3 ho boetse ho fokotsa tshenyo ya thepa e tala, ho fokotsa ditjeo tsa tshebetso.
In lifeme tsa tlhahiso ea ammonia, taolo e nepahetseng ea mahloriso e netefatsa boleng bo tsitsitseng ba khase ea tlhahiso, e fokotsa litšenyehelo tsa matla tse amanang le ho sebetsa bocha.lifeme tsa ho sebetsana le khase ea tlhaho, ho boloka maemo a K2CO3 a nepahetseng ho netefatsa hore ho latela litlhaloso tsa liphaephe, ho qoba likotlo tse turang. Likhakanyo tsa indasteri li bontša hore lifeme tse sebelisang limithara tse ka hare li ka boloka matla ho fihlela ho 15% le ho fokotsa nako ea basebetsi ka ho iketsetsa lits'ebetso tsa ho beha leihlo, ho felisa tlhoko ea ho nka sampole ka letsoho.
Ho netefatsa Boleng ba Sehlahisoa le ho Latela Melao
TheTsamaiso ea Benfielde bohlokoa bakeng sa ho hlahisa likhase tse fihlelang maemo a thata a bohloeki, joalo ka maemo a tlase a CO2 le H2S bakeng sa tlhahiso ea ammonia kapa liphaephe tsa khase ea tlhaho.Methara ea mahloriso e ka hareetsa bonnete ba hore tharollo ea ho hlatswa e boloka motsoako o nepahetseng, e leng se fellang ka khase e hloekisitsoeng ea boleng bo holimo. Mohlala, holifeme tsa tlhahiso ea haeterojene, taolo e nepahetseng e tšehetsa bohloeki ba haeterojene bakeng sa lits'ebetso tsa ho hloekisa, ha e ntse e lelimela tsa peterole, e nolofalletsa tlhahiso ea lik'hemik'hale tse hloekileng haholo joalo ka ethylene oxide.
Ka ho eketseha ha melaoana ea tikoloho, ho latela melao ke ntho ea bohlokoa. Limithara tse ka hare li thusa lifeme ho bontša ho latela litekanyetso tsa mosi o tsoang ka ho boloka ho tlosoa ha CO2 ka katleho, ho fokotsa kotsi ea likotlo kapa litšitiso tsa ts'ebetso. Sena se bohlokoa haholo holifeme tsa khase ea mashala, moo bohloeki ba syngas bo leng bohlokwa bakeng sa ditshebediso tse latelang, le holifeme tsa ho fokotsa tšepe ka ho toba, moo boleng ba khase bo amang katleho ea tlhahiso.
Lipoloko tsa Litšenyehelo le Boleng ba Nako e Telele
Melemo ea lichelete eali-analyzer tsa mahloriso a potassium carbonate tse ka hareli kholo haholo. Ka ho iketsetsa tlhokomelo ea mahloriso, lisebelisoa tsena li fokotsa litšenyehelo tsa basebetsi tse amanang le ho nka sampole ka letsoho, e leng se ka bolokang ho fihlela hora ka letsatsi mesebetsing e meholo. Li boetse li fokotsa litšila ka ho thibela tekanyo e feteletseng kapa e fokolang ea K2CO3, ho ntlafatsa tšebeliso ea thepa e tala. Ho feta moo, ka ho fokotsa tšebeliso ea matla mohatong oa tsosoloso, lifeme li ka fihlella poloko e kholo ea litšenyehelo, haholo-holo liindastering tse sebelisang matla a mangata joalo kats'ebetso ea khase ea tlhaholetlhahiso ea ammonia.
Boleng ba nako e telele bo eketsoa le ho feta ke ho tšoarella ha limithara tsena, tse entsoeng ka thepa e sa senyeheng ho mamella tikoloho ea alkaline eamokhoa oa ho hloekisa khaseLitlhoko tsa bona tse tlase tsa tlhokomelo le bokhoni ba ho hokahana le litsamaiso tsa taolo tse seng li ntse li le teng li ba etsa letsete le theko e tlaase bakeng sa lifeme tsa lik'hemik'hale tse batlang ho ntlafatsa boleng ba tsona.Tsamaiso ea Benfield bakeng sa ho tlosoa ha khase ea asiti.
Ho Khetha Methara e Nepahetseng ea Mahloriso a ka Hare
Mekhoa ea Khetho ea Bohlokoa
Ho khetha e nepahetsengsesupa-tsela sa mahloriso a potassium carbonatee hloka ho nahana ka hloko ka lintlha tse 'maloa ho netefatsa hore e lumellana le litlhoko tsa ts'ebetso ea lifeme tsa lik'hemik'hale:
- Ho nepahala le ho Tšepahala: Methara e tlameha ho fana ka litekanyo tse nepahetseng (mohlala, ho nepahala ha 0.05%–0.1%) tlas'a mocheso o phahameng le khatello eaTsamaiso ea Benfieldho netefatsa tshebetso e tsitsitseng.
- Khanyetso ea Mocheso le Khatello: E tlameha ho mamella maemo a ts'ebetso ho fihlela ho 110°C le khatello e phahameng, ka kaho e matla ho sebetsana le tharollo ea alkaline.
- Ho lumellana ha thepa: Li-sensor li lokela ho etsoa ka thepa e sa senyeheng ke mafome, joalo ka li-alloy tse khethehileng, ho netefatsa hore e phela nako e telele tikolohong e matla ea lik'hemik'hale.
- Ho Hlomamisa le ho Hlokomela Habonolo: Sistimi e lokela ho hokahanngoa ka mokhoa o phethahetseng le liphaephe tse seng li ntse li le teng 'me e hloke tlhokomelo e nyane ho fokotsa nako ea ho se sebetse.
- Ho Kopanya Lintlha: Ho tsamaellana le litsamaiso tsa taolo ea lifeme ho bohlokoa bakeng sa ho boloka data ka nako ea sebele le liphetoho tse iketsahallang, ho ntlafatsa taolo ea ts'ebetso.
Litekanyetso tsena li netefatsa hore mithara e khethiloeng e fihlela litlhoko tse ikhethileng tsalifeme tsa tlhahiso ea ammonia, lifeme tsa tlhahiso ea haeterojene, lifeme tsa ho sebetsana le khase ea tlhaho, limela tsa peterole, lifeme tsa ho fokotsa tšepe ka ho tobalelifeme tsa khase ea mashala.
Theknoloji e fumanehang le lintho tse lokelang ho nahanoa
Mefuta e mengata ealimithara tsa mahlorisoli loketse bakeng saTsamaiso ea Benfield, e 'ngoe le e 'ngoe e na le melemo e ikhethang.Lonnmeter uMethara ea ltrasonic e fana ka ho nepahala ho hoholo 'me ha e angoe ke litšobotsi tsa tharollo, e leng se etsang hore e be e loketseng metsoako e rarahaneng. Methara ea conductivity e theko e tlaase empa e ka hloka puseletso ea mocheso. Methara ea bongata e fana ka data e tšepahalang ea mahloriso empa e hloka ho lekanngoa bakeng sa liphetoho tsa mocheso. Methara ea Coriolis, leha e le theko e boima haholo, e fana ka litekanyo tse se nang ho hoholeha 'me e loketse litsamaiso tsa phallo e phahameng.
Basebelisi ba lifeme ba lokela ho lekola mahlale ana ho latela maemo a itseng a ts'ebetso, joalo ka sebaka se lebeletsoeng sa mahloriso (mohlala, 20–30 wt% K2CO3), mocheso le lithibelo tsa tekanyetso. Bakeng sa lits'ebetso tsa bohloeki bo phahameng, joalo ka holimela tsa peterole, dimethara tsa ultrasonic kapa tsa Coriolis di ka kgethwa ka lebaka la ho nepahala ha tsona.
FAQs
Methapo ea Khatello ea Inline e Ntlafatsa Ts'ebetso ea Benfield Joang?
Methara ea mahloriso ea potassium carbonate e ka harefana ka tlhokomelo ea nako ea sebele ea K2CO3le KHCO3maemo, ho netefatsa hore tharollo ea ho hlatswa e boloka motsoako o motle ka ho fetisisa bakeng sa katlehotlhoekiso ea khaseKa ho thibela mathata a kang ho ntsha lefome kapa ho monya ho sa lekaneng, li ntlafatsa ts'ebetso eaBenfield Process Scrubber, e fana ka tlhahiso ea khase ea boleng bo holimo bakeng sa lits'ebetso hotlhahiso ea ammonialets'ebetso ea khase ea tlhaho.
Melemo ea Litšenyehelo tsa ho Sebelisa Methapo ea Mahloriso a Inline ke Efe?
Tsenalimithara tsa mahlorisofokotsa litšenyehelo tsa ts'ebetso ka ho iketsetsa tlhokomelo, ho fokotsa litlhoko tsa basebetsi, le ho thibela litšila ho tsoa tekanyong e fosahetseng. Li boetse li ntlafatsa tšebeliso ea matla mohatong oa tsosoloso, li fana ka poloko ea ho fihlela ho 15% liindastering tse sebelisang matla a mangata joalo katlhahiso ea haeterojenelekhase ea mashala.
Na Methapo ea Khatello ea Inline e ka Mamella Maemo a Ts'ebetso ea Benfield?
Ea sejoale-joaleli-analyzer tsa mahloriso a potassium carbonate tse ka hareli etselitsoe ho sebetsa ka mokhoa o tšepahalang tlas'a mocheso o phahameng (ho fihlela ho 110°C) le likhatello tsaTsamaiso ea BenfieldLi hahiloe ka thepa e sa senyeheng ke mafome, li netefatsa ts'ebetso ea nako e telele tikolohong ea alkaline easistimi ea tlhoekiso ea khase.
Qetello
Methara ea mahloriso ea potassium carbonate e ka harelebahlahlobike tsa bohlokoa bakeng sa ho ntlafatsaTsamaiso ea Benfield, ho nolofalletsa dimela tsa dikhemikhale ho fihlella taolo e nepahetseng hodima K2CO3le KHCO3Ka ho fana ka data ea nako ea sebele, lisebelisoa tsena li ntlafatsa bokhoni batlhoekiso ea khase, thibela mathata a ts'ebetso joalo ka ho fofonela, le ho netefatsa hore ho latela maemo a thata a tikoloho le boleng.
Bakeng sa liindasteri tse kanglifeme tsa tlhahiso ea ammonia,lifeme tsa tlhahiso ea haeterojene,lifeme tsa ho sebetsana le khase ea tlhaho,limela tsa peterole,lifeme tsa ho fokotsa tšepe ka ho tobalelifeme tsa khase ea mashala, ho amohela tsena tse tsoetseng pelelimithara tsa mahlorisoke letsete la maano le fanang ka poloko e kholo ea litšenyehelo le bokhabane ba ts'ebetso.lonnmeterkajeno ho hlahloba tse etselitsoeng motho ka mongli-meter tsa mahloriso a potassium carbonate tse ka harele ho notlolla bokhoni bohle ba haumokhoa oa ho hloekisa khase.
Nako ea poso: Phuptjane-26-2025
