JP5245964B2 - 液体オゾン廃棄方法及び液体オゾン製造装置 - Google Patents
液体オゾン廃棄方法及び液体オゾン製造装置 Download PDFInfo
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- JP5245964B2 JP5245964B2 JP2009070202A JP2009070202A JP5245964B2 JP 5245964 B2 JP5245964 B2 JP 5245964B2 JP 2009070202 A JP2009070202 A JP 2009070202A JP 2009070202 A JP2009070202 A JP 2009070202A JP 5245964 B2 JP5245964 B2 JP 5245964B2
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims description 340
- 239000007788 liquid Substances 0.000 title claims description 120
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 239000007789 gas Substances 0.000 claims description 153
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 45
- 229910001882 dioxygen Inorganic materials 0.000 claims description 45
- 230000008016 vaporization Effects 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052754 neon Inorganic materials 0.000 claims description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 42
- 238000010586 diagram Methods 0.000 description 19
- 238000009826 distribution Methods 0.000 description 19
- 239000012535 impurity Substances 0.000 description 18
- 238000003860 storage Methods 0.000 description 18
- 238000009825 accumulation Methods 0.000 description 17
- 238000010790 dilution Methods 0.000 description 17
- 239000012895 dilution Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 8
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- 230000008859 change Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
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- 238000009413 insulation Methods 0.000 description 4
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- 235000012431 wafers Nutrition 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
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Images
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- Separation By Low-Temperature Treatments (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Description
k=4.6×1015[cm3/mol/s]×exp(−23800)[cal/mol]/RT)]
M=O3+0.44O2+0.4N2
O3消失 O+O3→2O2 k=3.0×1013[cm3/mol/s]×exp(−5960[cal/mol]/RT)]
オゾン以外の吸着した低蒸気圧不純物の廃棄ライン(ガス排出管6)が液体オゾン蓄積ラインやプロセス装置への供給ガスライン(ガス排出管67)と独立しているため、これらの不純物による蓄積、供給ラインの汚染、腐食を防ぐことができる。
2…オゾンベッセル
3…冷却ブロック
4…冷却ブリッジ
5…ガス導入管
6…ガス排出管
Claims (6)
- 液体オゾンを貯留させた系内にオゾンよりも蒸気圧が高く且つオゾンに対して不活性なガスを導入して前記液体オゾンを気化させて当該系から廃棄すること
を特徴とする液体オゾン廃棄方法。 - 前記ガスは酸素ガス、窒素ガス、ヘリウムガス、ネオンガス、アルゴンガスのいずれかであることを特徴とする請求項1に記載の液体オゾン廃棄方法。
- オゾン含有ガスを冷却してオゾンのみを液化させるベッセルと、
オゾンよりも蒸気圧が高く且つオゾンに対して不活性なガスを前記ベッセル内に導入して液体オゾンを気化させるための導入ラインと、
前記ベッセル内の液体オゾンから気化したオゾンガスを廃棄するための廃棄ラインと
を備えたこと
を特徴とする液体オゾン製造装置。 - 前記ベッセル内のオゾンガスを他の系に移送するための移送ラインとは独立に前記廃棄ラインを備えたことを特徴とする請求項3に記載の液体オゾン製造装置。
- 前記廃棄ラインはベッセルの圧力に基づき開度調整可能なバルブを備えたことを特徴とする請求項4に記載の液体オゾン製造装置。
- 前記導入ラインはベッセルの圧力に基づきガス流路を遮断するバルブを備えたことを特徴とする請求項3から5のいずれか1項に記載の液体オゾン製造装置。
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JP2009070202A JP5245964B2 (ja) | 2009-03-23 | 2009-03-23 | 液体オゾン廃棄方法及び液体オゾン製造装置 |
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JP2009070202A JP5245964B2 (ja) | 2009-03-23 | 2009-03-23 | 液体オゾン廃棄方法及び液体オゾン製造装置 |
Publications (2)
Publication Number | Publication Date |
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JP2010223478A JP2010223478A (ja) | 2010-10-07 |
JP5245964B2 true JP5245964B2 (ja) | 2013-07-24 |
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JP2009070202A Expired - Fee Related JP5245964B2 (ja) | 2009-03-23 | 2009-03-23 | 液体オゾン廃棄方法及び液体オゾン製造装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7403592B1 (ja) * | 2022-07-08 | 2023-12-22 | 明電ナノプロセス・イノベーション株式会社 | オゾンガス供給システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01257103A (ja) * | 1988-04-05 | 1989-10-13 | Amatani Seisakusho:Kk | オゾン濃縮装置 |
JP3038353B2 (ja) * | 1990-12-21 | 2000-05-08 | 石川島播磨重工業株式会社 | オゾンの保存方法 |
US5624734A (en) * | 1996-02-21 | 1997-04-29 | Rees; Darci L. | Continuous process and apparatus for generation of ozone for industrial application with cryogenic refrigeration |
JP4036623B2 (ja) * | 2001-07-04 | 2008-01-23 | 独立行政法人産業技術総合研究所 | オゾン生成装置 |
JP2004184195A (ja) * | 2002-12-03 | 2004-07-02 | Meidensha Corp | 残留オゾンチェック方法およびオゾン生成方法 |
JP2006298701A (ja) * | 2005-04-21 | 2006-11-02 | Meidensha Corp | 可変熱抵抗ブロック、加熱冷却装置及びオゾン供給装置 |
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- 2009-03-23 JP JP2009070202A patent/JP5245964B2/ja not_active Expired - Fee Related
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