Nadiifinta 6N Ultra-High-High-Purity Sulfur Distillation iyo Habka Sifaynta oo leh qiyaaso faahfaahsan

Soo saarista 6N (≥99.9999% daahirnimo) baaruud nadiif ah oo ultra-sare ah waxay u baahan tahay shaandhayn heerar badan ah, adsorption qoto dheer, iyo sifaynta aadka u nadiifka ah si loo baabi'iyo biraha raadraaca, wasakhda organic, iyo walxaha. Hoos waxaa ku yaal hannaan cabbir warshadeed oo isku daraya nadiifinta faakuumka, nadiifinta ku-caawinta microwave-ka, iyo tignoolajiyada saxda ah ee daaweynta kadib.

aniga Kahortagista Walaxda Ceyriinka iyo ka saarida wasakhda

1. Xulashada Walxaha Ceyriinka ah iyo Ka Hortagga

• ?Shuruudaha‌: Nadiifinta sulfur ee ugu horeysa ≥99.9% (darajada 3N), wadarta wasakhda birta
• ?Mikrowave-ku-caawiyey dhalaalidda:
  Baaruud cayriin waxaa lagu farsameeyaa reactor microwave (2.45 GHz inta jeer, 10–15 kW) at 140–150°C. Wareegga ku-meel-gaadhka ah ee Microwave-ku-abuuray waxay hubisaa dhalaalid degdeg ah iyada oo la burburinayo wasakhaha dabiiciga ah (tusaale, xeryahooda daamurka). Waqtiga dhalaalka: 30-45 daqiiqo; qoto dheer ee dhexda microwave: 10-15 cm
• ?Biyo-dhaqidda dheecan:
  Baaruud dhalaalaysa waxa lagu qasaa biyo fuuqsamay (iska caabin ≥18 MΩ · cm) marka loo eego 1:0.3 saamiga cufka ee reactor-ka walaaqay (120°C, cadaadiska 2 bar) 1 saac si meesha looga saaro milixda biyaha ku milma (tusaale, ammonium sulfate, sodium chloride). Marxaladda aqueous waa la gooyaa oo dib ayaa loo isticmaalaa 2-3 wareegyo ilaa socodka ≤5 μS/cm.

2. Xayeysinta Marxalada Badan iyo Shaandhaynta

• ?Dhulka Diatomaceous/Adsorption Kaarboon Firfircoon:
  Dhulka Diatomaceous (0.5-1%) iyo kaarboon firfircoon (0.2-0.5%) ayaa lagu daraa baaruud dhalaalaysa iyadoo la ilaalinayo nitrogen (130°C, walaaqaya 2-saac)
• ?Sifeynta aadka u saxsan:
  Shaandhaynta laba-heer iyadoo la isticmaalayo filtarrada sintered titanium (0.1 μm pore cabbirka) at ≤0.5 MPa cadaadiska nidaamka. Sifeynta ka dib tirinta qayb ka mid ah: ≤10 qaybood/L (cabir>0.5 μm).

II. Habka Kala-saarista faakuumka Marxalada badan

1. Distillation Aasaasiga ah (kasaarida wasakhda birta)

• ?Qalabka‌: Tiirka distillation quartz daahir-sare leh oo 316L ahama baakad habaysan (≥15 taarikada teori), vacuum ≤1 kPa.
• ?Hababka Hawleed:
• ?Quudi heerkulka‌: 250-280°C ( baaruudku waxa uu karkariyaa 444.6°C marka la eego cadaadiska deegaanka; faakuumku waxa uu yareeyaa barta karkarinta ilaa 260-300°C).
• ?Saamiga Reflux5:1–8:1; isbedbeddelka heerkulka tiirka sare ≤±0.5°C.
• ?Alaabta‌: Nadiifinta baaruudka la isku daray

2. Distillation Molecular Secondary (Ka saarida wasakhda Organic)‌

• ?Qalabka‌: Distiller molecular-ga-gaaban oo leh 10-20 mm faraqa uumi-qaboojinta, heerkulka uumiga 300-320 ° C, faakuum ≤0.1 Pa.
• ?Kala saarida wasakhda:
  Walxaha dabiiciga ah ee karkarin hooseeya (tusaale, thioethers, thiophene) waa la uumi baxay oo la daadgureeyay, halka wasakhda karsanaysa (tusaale, polyaromatics) ay ku hadhsan yihiin hadhaaga sababtoo ah kala duwanaanshaha dariiqa xorta ah ee molecular.
• ?Alaabta‌: Nadiifinta sulfur ≥99.999% (darajada 5N), kaarboonka organic

3. Sifaynta Aagga Sare (Helitaanka 6N daahirnimada)‌

• ?Qalabka‌: Sifeeyaha aagga horizontal oo leh xakamaynta heerkulka aag-badan (± 0.1°C), xawaaraha safarka aagga 1-3 mm/h.
• ?Kala soocida:
  Isticmaalka isku-duwayaasha kala soocida (K=Csolid/CliquidK=Cadag /Cdareere), 20-30 aag waxay dhaaftaa biraha xoogga leh (As, Sb) ee dhammaadka la gooyey. 10-15% ugu dambeeya ee sulfur ingot waa la tuuray.

III. Daawaynta ka dib iyo Samaynta Nadiifinta Sare

1. Soo saarista dareeraha saafiga ah

• ?Soo saarista Ether/Kaarboon Tetrachloride:
  Sulfur waxaa lagu qasi karaa ether-chromatographic-fasalka (1: 0.5 saamiga mugga) hoos gargaarka ultrasonic (40 kHz, 40 ° C) 30 daqiiqo si meesha looga saaro raad organics polar .
• ?Soo-kabashada dareeraha:
  Xoojinta shaandhada molecular iyo nadiifinta faakuumku waxay yareeyaan haraaga dareeraha ilaa ≤0.1 ppm.

2. Ultrafiltration iyo Ion Exchange

• ?PTFE Membrane Ultrafiltration:
  Baaruud dhalaalaysa waxaa lagu sifeeyaa 0.02 μm xuubka PTFE ee 160-180°C iyo cadaadiska ≤0.2 MPa.
• ?Ion Exchange Resins:
  Beeyada Jeelaynta (tusaale, Amberlite IRC-748) waxay ka saartaa ayoonooyinka birta heerka ppb (Cu²⁺, Fe³⁺) 1-2 BV/saacaddii.

3. Samaynta Jawi Nadiif ah oo aadka u nadiifsan

• ?Atomization Gaaska Inert:
  Qolka nadiifka ah ee Fasalka 10, baaruud dhalaalaysa waxaa lagu atomeeyaa nitrogen (cadaadiska 0.8-1.2 MPa) 0.5-1 mm granules wareegsan (qoyaan <0.001%).
• ?Baakadaha Vacuum:
  Badeecada ugu dambeysa waxaa lagu shaabadeeyay faakuum-ku-xidhay filim aluminium ka kooban oo hoos yimaada argon ultra-pure (≥99.9999% daahirnimo) si looga hortago oksaydhka.

IV. Hababka Habraaca Furaha

V. Xakamaynta Tayada iyo Tijaabada

1. ?Raad-raac Falanqaynta Xumaanta:

• ?GD-MS (Iftiinka Bixinta Mass Spectrometry)‌: Wuxuu ka ogaadaa biraha ≤0.01 ppb.
• ?Falanqeeyaha TOC‌: Wuxuu cabbiraa kaarboonka organic ≤0.001 ppm.

1. ?Xakamaynta Cabbirka Qaybaha:
   Kala-duwanaanta laser-ka (Mastersizer 3000) waxay hubisaa leexashada D50 ≤± 0.05 mm.
2. ?Nadaafadda Dusha sare:
   XPS (X-ray Photoelectron Spectroscopy) waxay xaqiijinaysaa dhumucda oksaydhka dusha ≤1 nm.

VI. Badbaadada iyo Naqshadaynta Deegaanka

1. ?Kahortagga Qaraxyada:
   Dareemayaasha ololka infrared iyo nidaamyada daadka nitrogen waxay ilaaliyaan heerarka ogsijiinta <3%
2. ?Xakamaynta sii daynta:

• ?Gaasaska Asiidhka‌: xoqitaanka NaOH ee laba-heer ah (20% + 10%) waxay meesha ka saaraysaa ≥99.9% H₂S/SO₂.
• ?VOCs‌: Zeolite rotor + RTO (850°C) waxa ay hoos u dhigtaa karbonnada aan methane ahayn ilaa ≤10 mg/m³.

1. ?Dib u warshadaynta qashinka:
   Dhimista heerkulka sare (1200 ° C) ayaa soo kabanaya biraha; haraaga baaruudda <0.1% .

VII. Metrics Techno-Economic

• ?Isticmaalka Tamarta‌: 800-1200 kWh koronto iyo 2-3 tan uumi halkii tan oo ah 6N baaruud.
• ?Wax-soo-saarka: Soo kabashada sulfur ≥85%, heerka haraaga <1.5%.
• ?QiimahaQiimaha wax soo saarka ~120,000-180,000 CNY/ton; qiimaha suuqa 250,000-350,000 CNY/ton (fasalka semiconductor) .

Nidaamkani wuxuu soo saaraa 6N baaruud ee sawir-qaadayaasha semiconductor, substrates-ka III-V, iyo codsiyada kale ee horumarsan. La socodka wakhtiga-dhabta ah (tusaale, falanqaynta aasaasiga ah ee LIBS) iyo ISO Class 1 hagaajinta qolka nadiifka ah waxay xaqiijiyaan tayada joogtada ah.

Qoraallada hoose

1. Tixraaca 2: Heerarka Sifaynta Sulfur Warshadaha
2. Tixraaca 3: Farsamooyinka Sifeynta Sare ee Injineerinka Kiimikada
3. Tixraaca 6: Buug-gacmeedka Waxqabadka Alaabta Nadiifinta Sare leh
4. Tixraaca 8: Hab-maamuuska Wax Soo Saarka Kiimikada ee Semiconductor-Fasalka
5. Tixraaca 5: Hagaajinta Distillation Vakuum