Sodium Metabisulfite Na2S2O5
Sodium Metabisulfite ke phofo e tšoeu kapa e mosehla ea kristale kapa kristale e nyenyane, e nang le monko o matla oa SO2, matla a khoheli a khethehileng a 1.4, a qhibilihang ka metsing, tharollo ea metsi e na le acidic, ho kopana le acid e matla ho tla lokolla SO2 le ho hlahisa letsoai le tšoanang, nako e telele moeeng. , e tla ba oxidized ho na2s2o6, kahoo sehlahisoa se ke ke sa phela nako e telele.Ha mocheso o phahame ho feta 150 ℃, SO2 e tla senyeha.Sodium Metabisulfite e fetoloa phofo ebe e sebelisoa mefuteng e mengata ea tšebeliso ho tloha ho li-preservative ho ea ho hloekisa metsi.Wit-stone e na le mefuta eohle le limaraka tsa sodium Metabisulfite.
| Ntho | Tekanyetso ea Sechaena | Tekanyetso ea k'hamphani |
| Litaba tsa mantlha (Na2S2O5) | ≥96.5 | ≥97.0 |
| Fe (Joaloka litaba Fe) | ≤0.003 | ≤0.002 |
| Ho hlaka | Feta teko | Hlakileng |
| Litšepe tse boima (Pb) | ≤0.0005 | ≤0.0002 |
| Likahare tsa Arsenic (Joaloka) | ≤0.0001 | ≤0.0001 |
Foromo ea molek'hule :Na2S2O5
Boima ba 'mele: 190.10
Ponahalo: phofo e tšoeu ea kristale
Ho paka: mokotla oa polasetiki
Boima ba Nete: 25, 50, 1000 lik'hilograma ka mokotla kapa ho ea ka litlhoko tsa bareki
E sebelisoa ho phekola metsi a litšila .Felisa oksijene e feteletseng metsing a litšila le liphaephe;Lipeipi tsa metsi a hloekileng li indesalination limela hobane li na le likokoana-hloko.
E sebelisoa indastering ea khatiso le ea ho daea e sebetsa ka mokhoa o sebetsang oa ho etsa makhasi, k'hothone le boea, joalo-joalo.
E sebelisoa indastering ea meriana e le setlolo sa li-antioxidant ho lithethefatsi tse nang le injectable le joalo ka moriana o fokotsang.
Indasteri ea letlalo: E ka etsa hore letlalo le be bonolo, le ntlafale hantle, le be le bopaki ba metsi a thata, le khona ho apara Chemical.
Used as an ore-dressing agent for mines.Industry E sebedisetswa ho etsa hydrochloride hydroxylamine le jj.
Indasteri ea lijo: e sebelisoa e le li-preservative, antioxidant, ntlafatso ea phofo
1. Mekhoa e 'meli ea tlhahiso ea sodium pyrosulfite: mokhoa o omileng le mokhoa oa metsi:
1. Mokhoa o omileng : hlohlelletsa molora oa soda le metsi ka mokhoa o ts'oanang ho ea ka tekanyo e itseng ea molar, 'me u li kenye ka har'a mochine ha Na2CO3.nH2O e hlahisoang e le ka mokhoa oa li-blocks, boloka lekhalo le itseng pakeng tsa li-blocks, ebe u eketsa SO2 ho fihlela karabelo e felile, ntša li-blocks, 'me u li silakanye ho fumana sehlahisoa se felileng.
2. Mokhoa oa metsi : eketsa molora o itseng oa soda ka har'a tharollo ea sodium bisulfite ho etsa hore e thehe ho emisoa ha sodium bisulfite, ebe o eketsa SO2 ho etsa likristale tsa sodium pyrosulfite, tse centrifuged le tse omisitsoeng ho fumana sehlahisoa se felileng.
2.Tsamaiso ea setso ea metsi ea sodium pyrosulfite e nang le sebabole e le lintho tse tala
Pele, sila sebabole hore e be phofo, 'me u romele moea o hatelitsoeng ka sebōping sa mollo oa 600 ~ 800 ℃ bakeng sa ho tuka.Palo ea moea e ekelitsoeng e ka ba habeli ho feta tekano, 'me khatello ea SO2 ka khase ke 10 ~ 13.Kamora ho pholile, ho tlosoa lerōle le ho sefa, sebabole sa sublimated le litšila tse ling lia tlosoa, 'me mocheso oa khase o fokotsehile ho 0 ℃, ho tloha ho le letšehali ho ea ho le letona, ebe o romelloa letotong la mochine.
Butle-butle eketsa joala ba 'mè le tharollo ea molora oa soda ho reactor ea boraro bakeng sa karabelo ea neutralization.Foromo ea karabelo ke e latelang:
2NaHSO4+ Na2CO3→ 2 Na2SO4+ CO2+ H2O
Ho emisoa ha sodium sulfite e hlahisoang ho fetisoa ho li-reactor tsa mohato oa bobeli le oa pele ka ho latellana, ebe e kenngoa le ho itšoara ka SO2 ho hlahisa kristale ea sodium pyrosulfite.
3.Kenyelletso ea Sodium Metabisulfite ts'ebetsong ea ts'ebetso ea liminerale tsa tšepe
Sodium Metabisulfite e sebelisoa haholo indastering ea merafo.Mekhoa ea ho lokisa liminerale ke e latelang:
Matla a khoheli |Karohano ea Magnetic |Khetho ea motlakase |Flotation |karohano ea lik'hemik'hale |Likhetho tsa motlakase oa lifoto |Khetho ea likhohlano |Ho chola ka letsoho
Flotation: Flotation ke mokhoa oa ho arola liminerale tse molemo ho tloha ho ore, ho ipapisitse le thepa ea 'mele le ea lik'hemik'hale ea likaroloana tsa liminerale.Hoo e ka bang ore eohle e ka sebelisoa karohanong ea flotation.
Li-reagents tsa flotation tse atisang ho sebelisoa ha ho phaphamala: 'mokelli, ntho e phophomang metsi, mofetoleli.Har'a tsona, modifier e boetse e kenyelletsa inhibitor, activator, pH e fetolang moemeli, moemeli ea qhalakanyang, flocculant, joalo-joalo.
Moemeli oa ho tšoasa: Moemeli oa ho tšoasa ke li-reagents tsa flotation tse fetolang hydrophobicity ea bokaholimo ba liminerale, e etsa hore karoloana ea liminerale ea planktonic e khomarele bubble.Xanthate, phofo e ntšo ke 'mokelli oa anionic.
Ho phaphamala ha loto le zinki
Galena (ke hore PBS) ke diminerale tse batlang li tloaelehile, ke mofuta oa sulfide.Xanthate le phofo e ntšo li atisa ho sebelisoa e le moemeli oa ho tšoasa (potassium dichromate ke inhibitor e sebetsang hantle).
Sphalerite (ZnS) metsoako ea lik'hemik'hale ke liminerale tsa sulfide tse kang ZnS, Crystals.
Bokhoni ba ho ts'oasa ketane e khuts'oane ea alkyl xanthate ho sphalerite e fokola kapa ha e fumanehe.ZnS kapa Marmatite ntle le ts'ebetso e ka khethoa feela ka mofuta oa ketane e telele ea xanthate.
Nakong e tlang, lits'ebetso tsa li-agent tsa xanthate li tla tsoela pele ho lula maemong a ka sehloohong.Bakeng sa ho ikamahanya le tlhokahalo ea ho phaphamala ha Sphalerite ho ntseng ho rarahane, ho bohlokoa ho kopanya k'hemisteng, hape ke mokhoa o sebetsang oa ho tlanya ka botlalo bokhoni ba meriana ea setso.
Li-inhibitor tse ka sehloohong tsa flotation ke tse latelang:
1. Lime (CaO) e na le metsi a matla a ho monya, a sebetsa ka metsi ho hlahisa lime e nang le hydrated Ca(OH)2.Lime li sebelisetsoa ho ntlafatsa pH ea makhasi, ho thibela liminerale tsa iron sulfide.Ka koporo ea sulfide, lead, zinc ore, hangata e amahanngoa le ore ea tšepe ea sulfide.
2. Cyanide (KCN, NaCN) ke inhibitor e sebetsang bakeng sa ho arohana ha lead le zinki.Ka makhasi a alkaline, khatello ea CN ea eketseha, e leng molemong oa ho thibela.
3. The sterling ea Zinc Sulfate ke kristale e tšoeu, e qhibilihang ka metsing, ke inhibitor ea sphalerite, hangata ka har'a makhasi a alkaline e na le phello ea ho thibela.
4. Senotlolo se bapalang likarolo tsa thibelo ho sulfite, sulfite, SO2 haholo-holo HSO3－.Sulfur dioxide le sub sulfuric acid (letsoai) li sebelisoa haholo ho thibela Pyrite le sphalerite.Asiti e fokolang e entsoeng ka lime ho tsoa ho Sulfur dioxide (pH=5–7), kapa sebelisa Sulfur dioxide, zinc sulfate, ferrous sulfate le ferric sulfate hammoho e le inhibitor.Kahoo galena, pyrite, sphalerite li thibetsoe.The inhibited sphalerite e ka sebelisoa ka tekanyo e nyane ea sulfate ea koporo.Hape o ka sebelisa Sodium thiosulfate, sodium metabisulfite ho nka sebaka sa sulfite, ho thibela sphalerite le iron pyrites (e tsejoang ka hore ke FeS2).
Polokelo:
E lokela ho bolokoa sebakeng se pholileng le se omeletseng sa polokelo.Sephutheloana se tla koaloa ho thibela oxidation ea moea.Ela hloko mongobo.E tla sireletsoa pula le khanya ea letsatsi nakong ea lipalangoang.E thibetsoe ka thata ho boloka le ho tsamaisa hammoho le li-acids, li-oxidants le lintho tse kotsi le tse chefo.Sehlahisoa sena ha sea lokela ho bolokoa nako e telele.Tšoara ka hloko nakong ea ho kenya le ho laolla ho thibela ho senyeha ha sephutheloana.Tabeng ea mollo, metsi le litima-mollo tse fapa-fapaneng li ka sebelisoa ho tima mollo.
Ho paka:
E phuthetsoe ka mekotleng e lohiloeng ea polasetiki e nang le mekotla ea polasetiki ea polyethylene, mokotla o mong le o mong o na le boima ba 25kg kapa 50kg.1. Metabisulfite ea sodium e kenngoa ka mekotleng e entsoeng ka polasetiki kapa libarele, tse kentsoeng ka mekotla ea polasetiki, e nang le boima ba 25 kapa 50kg;1100 kg mokotla o boima oa ho paka.
2. Sehlahisoa se tla sireletsoa ho senya, mongobo le ho senyeha ha mocheso nakong ea lipalangoang le polokelo.E thibetsoe ho phela hammoho le oxidant le acid;
3. Nako ea polokelo ea sehlahisoa sena ( Sodium metabisulfite ) ke likhoeli tse 6 ho tloha letsatsing la tlhahiso.
Thomello:
Ts'ehetsa mekhoa e fapaneng ea lipalangoang, amohela ho ikopanya le rona bakeng sa lipuisano.
Boema-kepe:
Boema-kepe bofe kapa bofe China.
P: Nako ea hau ea ho fihla ke mang?
A: Hangata re tla hlophisa thomello ka matsatsi a 7 -15.
Q: Ho thoe'ng ka ho paka?
A: Hangata re fana ka ho paka e le 50 lik'hilograma / mokotla kapa1000kg / mekotla Ha e le hantle, haeba u na le litlhoko tse khethehileng ho tsona, re tla ho ea ka uena.
P: U netefatsa boleng ba sehlahisoa joang?
A: Ntlha ea pele, re na le workshop ea tlhahiso e hloekileng le e hloekileng le kamore ea ho hlahloba.
Ea bobeli, basebetsi ba rōna ba fetola liaparo tse se nang lerōle mosebetsing, tse hloekisoang letsatsi le leng le le leng.
Ntlha ea boraro, workshop ea rona ea tlhahiso e fana ka lisebelisoa tse feletseng ho netefatsa bohloeki ba ts'ebetso ea tlhahiso.
U ka ikopanya le rona ho ithuta haholoanyane ka feme ea rona.
P: Joang ho netefatsa boleng ba sehlahisoa pele u beha litaelo?
K: O ka fumana disampole mahala ho rona kapa wa nka tlaleho ya rona ya SGS e le tshupiso kapa wa hlophisa SGS pele o kenya.
P: Ho kenya port ke eng?
A: Boema-kepeng bofe kapa bofe Chaena.
Ke thabetse ho kopana le WIT-STONE, eo ehlileng e leng morekisi ea khabane oa lik'hemik'hale.Tšebelisano e lokela ho tsoela pele, 'me tšepo e hahoa hanyane ka hanyane.Ba na le tsamaiso e thata ea ho laola boleng, eo ke e ananelang haholo
Kamora ho khetha barekisi ba Sodium Metabisulfite makhetlo a mangata, re ile ra khetha ka tieo WIT-STONE.Botšepehi, cheseho le botsebi li hapile tšepo ea rona khafetsa
Ke feme e tsoang United States.Ke tla odara Sodium Metabisulfite e ngata e le setsi sa ho roala ore bakeng sa merafo .Tshebeletso ea WIT-STONE e futhumetse, boleng ba eona bo tsitsitse, 'me ke khetho e ntle ka ho fetisisa.
