KR890003632A - 스케일 방지제 - Google Patents
스케일 방지제 Download PDFInfo
- Publication number
- KR890003632A KR890003632A KR870009434A KR870009434A KR890003632A KR 890003632 A KR890003632 A KR 890003632A KR 870009434 A KR870009434 A KR 870009434A KR 870009434 A KR870009434 A KR 870009434A KR 890003632 A KR890003632 A KR 890003632A
- Authority
- KR
- South Korea
- Prior art keywords
- scale
- acrylic acid
- copolymer
- methacrylic acid
- molar ratio
- Prior art date
Links
- 239000002455 scale inhibitor Substances 0.000 title claims 3
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 10
- 229920001577 copolymer Polymers 0.000 claims 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 7
- 125000005907 alkyl ester group Chemical group 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 238000007334 copolymerization reaction Methods 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000004480 active ingredient Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 238000005189 flocculation Methods 0.000 claims 1
- 230000016615 flocculation Effects 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
Claims (10)
- 아크릴산, 메타크릴산 및 이들의 C1-8알킬에스테르로 구성되는 하기 공중합체 : a) 아크릴산과 메타크릴산과의 공중합 몰비가 약 1:4-4:1, b) 아크릴산 및 메타크릴산의 합계와(메타)아크릴산 C1-8알킬에스테르와의 공중합 몰비가 약 2:1-40: 1, c) 평균 분자량이 약 500-15000을 유효성분으로 함유하는 스케일방지제.
- 청구범위 제 1 항에 있어서, 공중합체에 있어서의 아크릴산과 메타크릴산과의 공중합 몰비가 2:1-1:2인 스케일 방지제.
- 청구범위 제 2 항에 있어서, 공중합 몰비가 약 1:1인 스케일 방지제.
- 청구범위 제 1 항에 있어서, (메타)아크릴산알킬에스테르가 아크릴 또는 메타크릴산과의 C1-4알킬에스테르인 스케일 방지제.
- 청구범위 제 7항에 있어서, 공중합체의 평균 분자량이 약 3000-7000인 스케일 방지제.
- 스케일을 발생시킬 수 있는 대상수계중에, 아크릴산, 메타크릴산 및 이들의 C1-8알킬로 구성되는 하기 공중합체 : a) 아크릴산과 메타크릴산과의 공중합 몰비가 약 1:4-4:1, b) 아크릴산과 메타크릴산의 합계와(메타)아크릴산 C1-8알킬에스테르와의 공중합 몰비가 약 2:1-40:1, c) 평균 분자량이 약 500-15000첨가하여 스케일 발생을 억제 또는 방지할 수 있는 것으로 형성되는 스케일 방지제.
- 청구범위 제 1 항에 있어서, 스케일을 발생시킬 수 있는 대상계수가 함인 화합물을 첨가사용하고 있는 공업용 냉각수소인 스케일의 방지방법.
- 청구범위 제 7항에 있어서, 공중합체의 첨가량이 대상수에 대하여 2-200ppm로되는 스케일 방지방법.
- 청구범위 제 6항에 있어서, 스케일을 발생할 수 있는 고로배가스 집진수의 응집침전처리 수계인 스케일의 방지방법.
- 청구범위 제 9항에 있어서, 공중합체의 첨가량이 대상수에 대하여 0.3-5ppm인 스케일의 방지방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870009434A KR940000561B1 (ko) | 1987-08-28 | 1987-08-28 | 스케일 방지제 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870009434A KR940000561B1 (ko) | 1987-08-28 | 1987-08-28 | 스케일 방지제 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890003632A true KR890003632A (ko) | 1989-04-15 |
KR940000561B1 KR940000561B1 (ko) | 1994-01-24 |
Family
ID=19264030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870009434A KR940000561B1 (ko) | 1987-08-28 | 1987-08-28 | 스케일 방지제 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940000561B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960017545A (ko) * | 1994-11-21 | 1996-06-17 | 마크 에스. 에들러 | 수성시스템에서의 스케일 형성방지방법 |
KR100432043B1 (ko) * | 2000-12-22 | 2004-05-22 | 주식회사 포스코 | 고로 수재 제조 장치의 겔 응집 방지제 |
-
1987
- 1987-08-28 KR KR1019870009434A patent/KR940000561B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960017545A (ko) * | 1994-11-21 | 1996-06-17 | 마크 에스. 에들러 | 수성시스템에서의 스케일 형성방지방법 |
KR100432043B1 (ko) * | 2000-12-22 | 2004-05-22 | 주식회사 포스코 | 고로 수재 제조 장치의 겔 응집 방지제 |
Also Published As
Publication number | Publication date |
---|---|
KR940000561B1 (ko) | 1994-01-24 |
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