KR100913076B1 - 높은 광활성도를 가지는 TiO2 슬러리 및 오염수 정화용 콘크리트/TiO2 구조재의 제조 방법 - Google Patents
높은 광활성도를 가지는 TiO2 슬러리 및 오염수 정화용 콘크리트/TiO2 구조재의 제조 방법 Download PDFInfo
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
Abstract
Description
구분 | 슬러리 고형분(100 중량부) | 용매 | |||||
TiO2 | 결합제 | 가소제 | 분산제 | 계면활성제 | |||
PEG | EG | ||||||
비교예1 | 52.6중량부 | 42.1중량부 | - | - | 5.3중량부 | - | 105중량부 |
비교예2 | 49.3중량부 | 34.5중량부 | 8.9중량부 | - | 4.9중량부 | 2.4중량부 | 123중량부 |
발명예 | 50중량부 | 32.5중량부 | - | 7.5중량부 | 5중량부 | 5중량부 | 250중량부 |
Claims (6)
- TiO2 분말 50~70중량%, 분산제 5~8중량%, 계면활성제 1~5중량%, 결합제 17~40중량% 및 가소제 1~20중량%로 이루어진 슬러리 고형분과 상기 슬러리 고형분 100중량부당 100~350중량부의 용매를 혼합한 것을 특징으로 하는 TiO2 슬러리.
- 제 1 항에 있어서, 상기 TiO2 분말은 광촉매용 TiO2 분말로서 아나타제 상의 비율이 70% 이상이며 분말의 입도는 50nm 이하인 것을 특징으로 하는 TiO2 슬러리.
- 제 1 항에 있어서, 상기 분산제는 알파-테르피네올(α-terpineol)이며, 상기 계면활성제는 포토-플로200(Photo-Flo200), 에톡실레이티드 노닐페놀(Ethoxylated nonylpheonl), 에톡실레이티드 트리데실 알코올(Ethoxylated tridecyl alcohol), 소디움 스테아레이트(Sodium stearate), 소디움 디소프로필나프탈렌 술포네이트(Sodium disopropylnaphtalene sulfonate) 및 도데실트리메틸암모늄 클로라이드 (Dodecyltrimethylammonium chloride) 중에서 선택되고, 상기 결합제는 폴리비닐 알코올(Polyvinyl alcohol), 폴리비닐 부티랄(Polyvinyl butyral), 폴리메틸 메타크릴레이트(Polymethyl methacrylate), 파라핀(Paraffin), 왁스 에멀젼(wax emulsions) 및 마이크로크리스탈라인 왁스(microcrystalline wax) 중에서 선택되며, 상기 가소제는 폴리에틸렌 글리콜(Polyethylene glycol), 에틸렌 글리콜(Ethylene glycol), 디에틸렌 글리콜(Diethylene glycol), 트리에틸렌 글리콜(Triethylene glycol), 테트라에틸렌 글리콜(Tetraethylene glycol), 글리세롤(Glycerol), 디부틸 프탈레이트(Dibutyl phthalate) 및 디메틸 프탈레이트(Dimethyl phthalate) 중에서 선택되며, 상기 용매는 에탄올(Ethanol), 톨루엔(Toluene), 메탄올(Methanol), 부탄올(Butanol), 클로로포름(Chloroform), 디클로로메탄(Dichloromethane), 에틸아세테이트(Ethylacetate), 헥산(Hexane), 디에틸에테르(Diethylehter), 아세토니트릴(Acetonitrile), 벤젠(Benzene) 또는 이들 중 2종 이상의 혼합물인 것을 특징으로 하는 TiO2 슬러리.
- TiO2 분말 50~70중량%, 분산제 5~8중량%, 계면활성제 1~5중량%, 결합제 17~40중량% 및 가소제 1~20중량%로 이루어진 슬러리 고형분과 상기 슬러리 고형분 100중량부당 100~350중량부의 용매를 혼합하여 슬러리를 준비하는 단계;상기 준비된 슬러리를 콘크리트 블록 표면에 코팅하는 단계;상기 슬러리가 코팅된 담체를 건조하는 단계; 및상기 건조된 구조재(담체+슬러리)를 소성하는 단계;로 이루어진 것을 특징으로 하는 오염수 정화용 콘크리트/TiO2 구조재의 제조 방법.
- 제 4 항에 있어서, 상기 담체는 콘크리트 블록인 것을 특징으로 하는 오염수 정화용 콘크리트/TiO2 구조재의 제조 방법.
- 제 4 항 또는 제 5 항에 있어서, 상기 건조된 구조재(담체+슬러리)를 소성하는 단계는, 상기 구조재를 300~800℃의 소성온도까지 10℃/min 이하의 속도로 승온한 후 소성온도에서 3시간 이상 유지하는 과정으로 이루어지는 것을 특징으로 하는 오염수 정화용 콘크리트/TiO2 구조재의 제조 방법.
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JP2003205243A (ja) | 2002-01-15 | 2003-07-22 | Babcock Hitachi Kk | 光触媒構造物の製造方法 |
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