Ko te whakaputanga o te whanariki tino parakore 6N (≥99.9999% parakore) me whakamahi i te tātari maha-wāhanga, te mimiti hohonu, me te tātari tino ma hei whakakore i ngā konganuku iti, ngā poke waro, me ngā matūriki. Kei raro nei he tukanga tauine-ahumahi e whakauru ana i te tātari korehau, te purenga āwhina-ngaruiti, me ngā hangarau tukatuka-muri tika.
I. Te Maimoatanga o ngā Rauemi Mata me te Tango i ngā Parakore
1. Te Kōwhiringa Rauemi Mata me te Maimoatanga i mua
- ?Ngā Whakaritenga: Te parakore o te whanariki tuatahi ≥99.9% (tohu 3N), te poke katoa o te konganuku ≤500 ppm, te ihirangi waro waro ≤0.1%.
- ?Te Rerenga Āwhina-Ngaruiti:
Ka tukatukahia te whanariki mata i roto i te tauhohenga ngaruiti (auau 2.45 GHz, mana 10–15 kW) i te 140–150°C. Mā te hurihanga o ngā pou rua i puta mai i te ngaruiti ka tere te rewa, ā, ka pirau hoki ngā poke waro (hei tauira, ngā matū tā). Te wā rewa: 30–45 meneti; te hohonutanga o te urunga o te ngaruiti: 10–15 cm. - ?Horoi Wai Whakakore-ion:
Ka konatunatua te whanariki rewa ki te wai whakakore iona (ātete ≥18 MΩ·cm) i te ōwehenga papatipu 1:0.3 i roto i te tauhohenga whakaoho (120°C, pēhanga 2 pae) mō te 1 hāora hei tango i ngā tote wairewa-wai (hei tauira, te haukinia whanariki, te konutai pūhaumāota). Ka ringihia te wai, ka whakamahia anō mō ngā huringa 2–3 tae noa ki te kawe hiko ≤5 μS/cm.
2. Te Whakapūtanga me te Tātari Maha-Wāhanga
- ?Te Whakaoho i te Whenua Diatomaceous/Waro Whakahohe:
Ka tāpirihia te oneone diatomaceous (0.5–1%) me te waro whakahohe (0.2–0.5%) ki te whanariki rewa i raro i te tiaki hauota (130°C, whakaohokia mō te 2 hāora) hei mimiti i ngā matū whakarewa me ngā toenga matū waro. - ?Tātari Tino Tika:
Tātaritanga e rua ngā wāhanga mā te whakamahi i ngā tātari titanium kua whakakāhia (rahi o te pūwero 0.1 μm) i te pēhanga pūnaha ≤0.5 MPa. Tau o ngā matūriki i muri i te tātaritanga: ≤10 matūriki/L (rahi >0.5 μm).
II. Tukanga Whakatōtō Korehau Maha-Wāhanga
1. Te Whakatōtōtanga Tuatahi (Te Tango i te Parakore Whakarewa)
- ?Ngā taputapu: Pou whakatōtō quartz tino parakore me te takai hanganga maitai kore waikura 316L (≥15 pereti ariā), korehau ≤1 kPa.
- ?Ngā Tawhā Whakahaere:
- ?Te pāmahana whāngai: 250–280°C (ka koropupū te whanariki i te 444.6°C i raro i te pēhanga taiao; ka whakaitihia e te korehau te pūwāhi koropupū ki te 260–300°C).
- ?Ōwehenga Whakamuri: 5:1–8:1; te piki me te heke o te pāmahana o te tihi pou ≤±0.5°C.
- ?Hua: Te parakore o te whanariki whakakōkī ≥99.99% (tohu 4N), te katoa o ngā poke whakarewa (Fe, Cu, Ni) ≤1 ppm.
2. Te Whakatōtōtanga Ira Tuarua (Te Tango i te Parakore Waro)
- ?Ngā taputapu: Mīhini whakapūkara ngota ara-poto me te āputa mimiti-whakapūkara 10–20 mm, te pāmahana mimiti 300–320°C, te korehau ≤0.1 Pa.
- ?Wehenga poke:
Ka mimitihia, ka tangohia atu ngā mea rauropi iti te kohua (hei tauira, ngā thioether, te thiophene), ko ngā mea poke nui te kohua (hei tauira, ngā polyaromatics) ka noho tonu i roto i ngā toenga nā te rerekētanga o te ara kore utu ngota. - ?Hua: Te parakore o te whanariki ≥99.999% (tohu 5N), te waro waro ≤0.001%, te tere toenga <0.3%.
3. Te Whakamaeneene Rohe Tuatoru (Te Whakatutuki i te Parakore 6N)
- ?Ngā taputapu: Kaiwhakapaipai rohe whakapae me te whakahaere pāmahana maha-rohe (±0.1°C), tere haere rohe 1–3 mm/h.
- ?Wehewehenga:
Te whakamahi i ngā tauwehenga wehewehe (K=Csolid/CliquidK=CtotokaCwai), ka whiti te rohe 20–30 i ngā konganuku kukū (As, Sb) i te pito o te ingota. Ka makahia te 10–15% whakamutunga o te ingota whanariki.
III. Te Hanganga Muri i te Maimoatanga me te Tino Ma
1. Tangohanga Whakarewa Tino Parakore
- ?Tangohanga Tetrachloride Etera/Waro:
Ka konatunatua te whanariki ki te etera karaehe-chromatography (ōwehenga rōrahi 1:0.5) i raro i te āwhina ultrasonic (40 kHz, 40°C) mō te 30 meneti hei tango i ngā mea iti o te matū koiora. - ?Whakaora Whakarewa:
Ka whakaitihia e te mimiti tātari ngota me te whakahorohoro korehau ngā toenga whakarewa ki te ≤0.1 ppm.
2. Te Tātaritanga Tino me te Whakawhitinga Āniora
- ?Te tātaritanga ultra-whakarewa o te membrane PTFE:
Ka tātarihia te whanariki rewa mā roto i ngā kiriuhi PTFE 0.02 μm i te 160–180°C me te pēhanga ≤0.2 MPa. - ?Ngā Resin Whakawhiti Ion:
Ka tangohia e ngā kapia chelating (hei tauira, Amberlite IRC-748) ngā katote konganuku taumata-ppb (Cu²⁺, Fe³⁺) i ngā tere rere 1–2 BV/h.
3. Te Hanga Taiao Tino Ma
- ?Te Whakakorikori Hau Korekore:
I roto i tētahi rūma ma o te Akomanga 10, ka whakakorikoria te whanariki rewa ki te hauota (te pēhanga 0.8–1.2 MPa) kia puta he kirikiri porowhita 0.5–1 mm te matotoru (makuku <0.001%). - ?Tākai Korehau:
Ka hiritia te hua whakamutunga ki roto i te kiriata konumohe hiato i raro i te argon tino parakore (≥99.9999% parakore) hei ārai i te waikura.
IV. Ngā Tawhā Tukanga Matua
| Wāhanga Tukanga | Te pāmahana (°C) | Pēhanga | Te Wā/Te Tere | Ngā Taputapu Matua |
| Te Rewa o te Ngaruiti | 140–150 | Āhuarangi | 30–45 meneti | Tauhohenga Ngaruiti |
| Horoi Wai Whakakore-ion | 120 | 2 pae | 1 hāora/huringa | Tauhohenga Whakaoho |
| Te Whakatōtōtanga Irahiko | 300–320 | ≤0.1 Pa | Tonu | Kaiwhakarewa Ngota Ara-Poto |
| Te Whakamahinga Rohe | 115–120 | Āhuarangi | 1–3 mm/h | Kaiwhakapai Rohe Whakapae |
| Te Tātaritanga Tino PTFE | 160–180 | ≤0.2 MPa | Rere 1–2 m³/h | Tātari Pāmahana-Teitei |
| Te Whakakotahitanga Hauota | 160–180 | 0.8–1.2 MPa | Ngā kirikiri 0.5–1 mm | Pou Whakakotahitanga |
V. Te Mana Kounga me te Whakamātautau
- ?Tātaritanga o te Parakore:
- ?GD-MS (Whakamātautau Papatipu Tukunga Hihiko): Ka kitea ngā konganuku i te ≤0.01 ppb.
- ?Kaitātari TOC: Ine i te waro waro ≤0.001 ppm.
- ?Te Mana Whakahaere Rahi Matūriki:
Mā te diffraction laser (Mastersizer 3000) ka whakarite kia rerekē te D50 ≤±0.05 mm. - ?Te Horoi o te Mata:
Mā te XPS (X-ray Photoelectron Spectroscopy) ka whakaū te matotoru o te waikura mata ≤1 nm.
VI. Te Haumaru me te Hoahoa Taiao
- ?Te Ārai i te Pahūtanga:
Ka pupuri ngā pūoko mura whero me ngā pūnaha waipuke hauota i ngā taumata hāora <3% - ?Whakahaere Tukunga:
- ?Ngā Hau Waikawa: Mā te horoi NaOH e rua ngā wāhanga (20% + 10%) ka tangohia te ≥99.9% H₂S/SO₂.
- ?Ngā VOC: Ka whakaitihia e te rotor zeolite + RTO (850°C) ngā hauwaiwai kore-methane ki te ≤10 mg/m³.
- ?Te Hangarua Para:
Ka whakahokia mai ngā konganuku e te whakaheke pāmahana teitei (1200°C); ko te toenga o te whanariki he <0.1%.
VII. Ngā Inenga Hangarau-Ōhanga
- ?Te Whakamahinga Pūngao: hiko 800–1200 kWh me te 2–3 tana mamaoa mō ia tana o te 6N whanariki.
- ?Hua: Te whakaora o te whanariki ≥85%, te tere toenga <1.5%.
- ?Utu: Te utu whakaputa ~120,000–180,000 CNY/tana; te utu mākete 250,000–350,000 CNY/tana (tohu hiko hiko).
Ka puta te whanariki 6N i tēnei tukanga mō ngā ātete whakaahua haurua-ira, ngā papa matū III-V, me ētahi atu tono matatau. Mā te aroturukitanga wā-tūturu (hei tauira, te tātari huānga LIBS) me te whakatikatika rūma ma ISO Akomanga 1 ka whakarite kia rite te kounga.
Ngā Tuhipoka
- Tohutoro 2: Ngā Paerewa Whakamaarama Whāwhā Ahumahi
- Tohutoro 3: Ngā Tikanga Tātari Matatau i roto i te Hangarau Matū
- Tohutoro 6: Pukapuka Tukatuka Rauemi Parakore-Teitei
- Tohutoro 8: Ngā Tikanga Whakaputa Matū Taumata-Haumaru
- Tohutoro 5: Arotautanga Whakatōtō Korehau
Wā tuku: Paenga-whāwhā-02-2025