KR19990066922A - 포토레지스트 현상폐액의 재생처리방법 및 장치 - Google Patents
포토레지스트 현상폐액의 재생처리방법 및 장치 Download PDFInfo
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- KR19990066922A KR19990066922A KR1019980063280A KR19980063280A KR19990066922A KR 19990066922 A KR19990066922 A KR 19990066922A KR 1019980063280 A KR1019980063280 A KR 1019980063280A KR 19980063280 A KR19980063280 A KR 19980063280A KR 19990066922 A KR19990066922 A KR 19990066922A
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Classifications
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- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
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- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction
- B01D15/361—Ion-exchange
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- B01D61/027—Nanofiltration
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- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
- B01D61/0271—Nanofiltration comprising multiple nanofiltration steps
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- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/422—Electrodialysis
- B01D61/423—Electrodialysis comprising multiple electrodialysis steps
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- B01J39/04—Processes using organic exchangers
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- B01J41/04—Processes using organic exchangers
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/3092—Recovery of material; Waste processing
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- G—PHYSICS
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- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
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- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/322—Aqueous alkaline compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
시료액1 | 시료액2 | |||
원폐액 | NF투과액 | 원폐액 | NF투과액 | |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 0.8 477 1730 84 2210 2.6 | 0.7 28 1120 29 260 0.4 | 29.2 3100 1670 1650 570 24.5 | 29.0 1280 1650 1020 340 3.7 |
시료액1 | 원폐액 | NF투과액 | ED농축액 | IE처리액 |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 0.8 477 1730 84 2210 2.6 | 0.7 28 1120 29 260 0.4 | 2.4 1.2 3950 11 19 0.3 | 2.4 〈 0.1 〈 10 〈 10 〈 10 〈 0.2 |
시료액2 | 원폐액 | NF투과액 | ED농축액 | IE처리액 |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 29.2 3100 1670 1650 570 24.5 | 29.0 1280 1650 1020 340 3.7 | 2.4 6 420 12 〈 10 0.3 | 2.4 〈 0.1 〈 10 〈 10 〈 10 〈 0.2 |
시료액1 | 원폐액 | ED농축액 | IE처리액 |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 0.8 477 1730 84 2210 2.6 | 2.4 15 5740 44 210 1.5 | 2.4 〈 0.1 〈 10 13 110 0.8 |
시료액2 | 원폐액 | ED농축액 | IE처리액 |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 29.231001670165057024.5 | 2.4843015160.8 | 2.4〈0.1〈10〈10〈100.4 |
시료액1 | 원폐액 | NF투과액 | NF농축액 | ED농축액 | IE처리액 |
TMAH(%) 레지스트(ppm) Na(ppb) Fe(ppb) Al(ppb) SiO2(ppm) | 0.847717308422102.6 | 0.7281120292600.4 | 0.8687212012131803.6 | 2.0315530413601.3 | 2.0〈0.1〈10122100.7 |
시료액2 | ED농축액 | ED투과액 | IE처리액 |
TMAH(%)레지스트(ppm)Na(ppb)Fe(ppb)Al(ppb)SiO2(ppm) | 2.4843015160.8 | 2.4〈0.1390〈10〈10〈0.2 | 2.4〈0.1〈10〈10〈10〈0.2 |
Claims (10)
- 포토레지스트 및 테트라알킬암모늄 이온을 주로 함유하는 포토레지스트 현상폐액을 처리함에 있어서, 나노필터레이션막(NF막)에 의해 포토레지스트 현상폐액 또는 포토레지스트 현상폐액에서 유래하는 처리액을 막분리처리하여, 포토레지스트 등의 분순물을 주로 함유하는 농축액과 테트라알킬암모늄 이온을 주로 함유하는 투과액을 얻는 막분리 공정(A)을 적어도 포함하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제1항에 있어서, 상기한 막분리공정(A)을 다단으로 행하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제1항에 있어서, 상기의 포토레지스트 현상폐액에서 유래하는 처리액이, 상기 현상폐액에 대해, 역침투막처리, 증발, 전기투석 및 전해 중 적어도 하나의 농축방법으로 처리하는 농축처리공정(a), 크로마토분리법에 의해 테트라알킬암모늄 이온 화분(畵分)을 얻는 크로마토분리공정(b), 중화을 행하고, 불용성으로 된 분(分)의 포토레지스트를 고액분리에 의해 제거하는 중화+고액분리공정(c), 이온교환체와 접촉시켜 어느 정도의 불순물을 흡착제거하는 이온교환처리공정(d)으로부터 선택되는 적어도 하나의 전처리공정을 행하여 얻어지는 처리액인 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제1항에 있어서, 상기한 포토레지스트 현상폐액에서 유래하는 처리액의 pH 값을, 9.5∼12의 범위 내로 조정하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제1항에 있어서, 상기 공정(A)을 행한 후에, 상기 투과액 및/또는 상기 농축액에 대해, 이온교환수지와 접촉시켜서 불순물을 제거하는 이온교환처리공정(B), 역침투막처리 및 증발의 적어도 하나의 농축방법으로 농축하는 농축공정(C), 전기투석 및 전해의 적어도 하나의 방법으로 테트라알킬암모늄 이온을 농축하는 농축정제공정(D), 크로마토분리에 의해 테트라알킬암모늄 이온 화분을 얻는 크로마토분리공정(E)으로부터 선택되는 적어도 하나의 공정을 행하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제5항에 있어서, 상기 공정(D)에서의 전기투석 및/또는 전해를 행할 때에, 상기 공정(A)을 경유하여 얻어지는 상기 농축액을 탈염시킨 액(피탈염액)으로서, 또 상기 공정(A)을 경유하여 얻어지는 상기 투과액을 테트라알킬암모늄 이온의 농축용 액(회수용 액)으로서 이용하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제5항에 있어서, 상기 공정(d)에 이용하는 이온교환체 및/또는 상기 공정(B)에 이용하는 이온교환수지가, 음이온교환수지 및/또는 수소이온형(H형) 및 테트라알킬암모늄 이온형(TAA형)의 적어도 한쪽 양이온교환수지인 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 제1항에 있어서, 시스템의 말단 또는 그 근방에 막처리장치를 설치하고, 재생현상폐액으로서 수산화 테트라알킬암모늄 용액으로부터 미립자를 제거하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- NF막을 구비한 나노필터 및 NF막에 의해 포토레지스트 현상폐액 또는 포토레지스트 현상폐액에서 유래하는 처리액을 막분리처리 하여 얻은 포토레지스트 등의 불순물을 주로 함유하는 농축액이 탈염셀(cell)을 통과하고, 상기 막분리처리하여 얻어진 테트라알킬암모늄 이온을 주로 함유하는 투과액이 농축셀을 통과하도록 구성한 전기투석장치 또는 전해장치를 포함하고, 바람직하게는 이온교환처리장치를 더 포함하며, 더 바람직하게는 말단 또는 그 근방에 막처리장치를 포함하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리방법.
- 증발 또는 역침투막처리장치, 상기 장치에 의해 포토레지스트 현상폐액 또는 포토레지스트 현상폐액에서 유래하는 처리액을 농축하여 얻어지는 농축액을 막분리하는 NF막을 구비한 나노필터 및 상기 나노필터로부터 얻어지는 투과액을 이온교환수지에 의해 처리하는 이온교환처리장치를 포함하고, 바람직하게는 말단 또는 그 근방에 막처리장치를 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액의 재생처리장치.
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JP01002598A JP3671644B2 (ja) | 1998-01-05 | 1998-01-05 | フォトレジスト現像廃液の再生処理方法及び装置 |
JP98-10025 | 1998-01-05 |
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EP3925689A1 (en) * | 2020-06-16 | 2021-12-22 | Prayon | Process for purifying a phosphate containing acidic solution comprising impurities and apparatus for applying same |
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JP7375953B2 (ja) * | 2021-10-05 | 2023-11-08 | 東レ株式会社 | 一価金属イオンの回収方法 |
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JPS57155390A (en) * | 1981-03-23 | 1982-09-25 | Mitsubishi Petrochem Co Ltd | Manufacture of organic ammonium hydroxide using ion exchange membrane |
JPS60118282A (ja) * | 1983-11-29 | 1985-06-25 | Kurita Water Ind Ltd | テトラアルキルアンモニウム・ハイドロオキシド含有廃液の処理方法 |
JPH0615078B2 (ja) * | 1986-07-23 | 1994-03-02 | 住友重機械工業株式会社 | フオトレジスト廃液処理方法 |
JPH0517889A (ja) * | 1991-07-12 | 1993-01-26 | Chlorine Eng Corp Ltd | 水酸化テトラアルキルアンモニウムの再生方法 |
US5354434A (en) * | 1991-07-12 | 1994-10-11 | Chlorine Engineers Corp. Ltd. | Method for regenerating tetraalkylammonium hydroxide |
JP3360365B2 (ja) * | 1993-07-29 | 2002-12-24 | クロリンエンジニアズ株式会社 | 水酸化テトラアルキルアンモニムの再生方法 |
JP3392483B2 (ja) * | 1993-11-15 | 2003-03-31 | クロリンエンジニアズ株式会社 | 水酸化テトラアルキルアンモニウム含有廃液の処理方法 |
JP3164968B2 (ja) * | 1994-06-02 | 2001-05-14 | オルガノ株式会社 | テトラアルキルアンモニウムヒドロオキシド含有廃液の処理方法及び装置 |
JPH08281295A (ja) * | 1995-04-14 | 1996-10-29 | Matsushita Electron Corp | フォトレジスト含有廃液の処理方法 |
KR0160395B1 (ko) * | 1996-04-01 | 1998-11-16 | 김정식 | 현상, 박리폐액 처리방법 |
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- 1998-11-27 GB GB9826135A patent/GB2332957B/en not_active Expired - Fee Related
- 1998-12-21 US US09/217,280 patent/US6083670A/en not_active Expired - Lifetime
- 1998-12-29 MY MYPI98005929A patent/MY120171A/en unknown
- 1998-12-30 TW TW087121874A patent/TW464637B/zh not_active IP Right Cessation
- 1998-12-31 KR KR10-1998-0063280A patent/KR100361799B1/ko not_active IP Right Cessation
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KR20220029831A (ko) | 2020-08-28 | 2022-03-10 | 삼성물산 주식회사 | 폐액 처리방법 및 폐액 처리장치 및 이를 포함하는 폐액 재이용 시스템 |
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JPH11192481A (ja) | 1999-07-21 |
KR100361799B1 (ko) | 2003-02-05 |
GB2332957B (en) | 2000-04-12 |
MY120171A (en) | 2005-09-30 |
GB9826135D0 (en) | 1999-01-20 |
GB2332957A (en) | 1999-07-07 |
JP3671644B2 (ja) | 2005-07-13 |
TW464637B (en) | 2001-11-21 |
US6083670A (en) | 2000-07-04 |
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