KR890003632A - Scale inhibitor - Google Patents

Scale inhibitor Download PDF

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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
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KR
South Korea
Prior art keywords
scale
acrylic acid
copolymer
methacrylic acid
molar ratio
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Application number
KR870009434A
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Korean (ko)
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KR940000561B1 (en
Inventor
타다히꼬 아사노
마사쯔네 오오구마
께이쇼 나까니시
사까에 가다야마
Original Assignee
가다야마 가즈오
가부시기가이샤 가다야마가가구 고오교겐뀨쇼
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Priority to KR1019870009434A priority Critical patent/KR940000561B1/en
Publication of KR890003632A publication Critical patent/KR890003632A/en
Application granted granted Critical
Publication of KR940000561B1 publication Critical patent/KR940000561B1/en

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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
    • 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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음No content

Description

스케일 방지제Scale inhibitor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도 내지 제 4도는 각각 인산칼슘 스케일에 대한 본 발명 스케일방지제의 효과를 비교예와 함께 예시하는 그래프도.1 to 4 are graphs illustrating the effect of the present antiscaling agent on the calcium phosphate scale, respectively, with comparative examples.

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.The following copolymers composed of acrylic acid, methacrylic acid and their C 1-8 alkyl esters: a) copolymerization molar ratio of acrylic acid and methacrylic acid is about 1: 4-4: 1, b) the sum of acrylic acid and methacrylic acid A copolymerization molar ratio with a (meth) acrylic acid C 1-8 alkyl ester is about 2: 1-40: 1, c) An antiscaling agent containing an average molecular weight of about 500-15000 as an active ingredient. 청구범위 제 1 항에 있어서, 공중합체에 있어서의 아크릴산과 메타크릴산과의 공중합 몰비가 2:1-1:2인 스케일 방지제.The anti-scaling agent according to claim 1, wherein the copolymer molar ratio of acrylic acid and methacrylic acid in the copolymer is 2: 1-1: 2. 청구범위 제 2 항에 있어서, 공중합 몰비가 약 1:1인 스케일 방지제.The scale inhibitor of claim 2 wherein the copolymer molar ratio is about 1: 1. 청구범위 제 1 항에 있어서, (메타)아크릴산알킬에스테르가 아크릴 또는 메타크릴산과의 C1-4알킬에스테르인 스케일 방지제.The scale inhibitor according to claim 1, wherein the (meth) acrylic acid alkyl ester is a C 1-4 alkyl ester with acrylic or methacrylic acid. 청구범위 제 7항에 있어서, 공중합체의 평균 분자량이 약 3000-7000인 스케일 방지제.8. The anti-scale agent of claim 7, wherein the copolymer has an average molecular weight of about 3000-7000. 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.Among the aqueous systems capable of generating scale, the following copolymers composed of acrylic acid, methacrylic acid and their C 1-8 alkyl: a) the copolymer molar ratio of acrylic acid and methacrylic acid is about 1: 4-4: 1, b) the copolymerization molar ratio of acrylic acid to methacrylic acid and (meth) acrylic acid C 1-8 alkyl ester is about 2: 1-40: 1, c) the average molecular weight is about 500-15000 added to suppress scale generation or Anti-scaling agents formed as preventable. 청구범위 제 1 항에 있어서, 스케일을 발생시킬 수 있는 대상계수가 함인 화합물을 첨가사용하고 있는 공업용 냉각수소인 스케일의 방지방법.The method for preventing a scale according to claim 1, wherein the cooling water is industrial cooling hydrogen in which a compound having a target coefficient capable of generating a scale is added and used. 청구범위 제 7항에 있어서, 공중합체의 첨가량이 대상수에 대하여 2-200ppm로되는 스케일 방지방법.The scale preventing method according to claim 7, wherein the amount of the copolymer added is 2-200 ppm with respect to the target water. 청구범위 제 6항에 있어서, 스케일을 발생할 수 있는 고로배가스 집진수의 응집침전처리 수계인 스케일의 방지방법.The method for preventing scale according to claim 6, wherein the scale is a flocculation sedimentation treatment system for blast furnace flue gas collection. 청구범위 제 9항에 있어서, 공중합체의 첨가량이 대상수에 대하여 0.3-5ppm인 스케일의 방지방법.The method for preventing a scale according to claim 9, wherein the amount of the copolymer added is 0.3-5 ppm with respect to the target water. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870009434A 1987-08-28 1987-08-28 Scale inhibitor KR940000561B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870009434A KR940000561B1 (en) 1987-08-28 1987-08-28 Scale inhibitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870009434A KR940000561B1 (en) 1987-08-28 1987-08-28 Scale inhibitor

Publications (2)

Publication Number Publication Date
KR890003632A true KR890003632A (en) 1989-04-15
KR940000561B1 KR940000561B1 (en) 1994-01-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960017545A (en) * 1994-11-21 1996-06-17 마크 에스. 에들러 How to prevent scale formation in aqueous systems
KR100432043B1 (en) * 2000-12-22 2004-05-22 주식회사 포스코 Anti gel fromation chemical used at slag granulator of blast furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960017545A (en) * 1994-11-21 1996-06-17 마크 에스. 에들러 How to prevent scale formation in aqueous systems
KR100432043B1 (en) * 2000-12-22 2004-05-22 주식회사 포스코 Anti gel fromation chemical used at slag granulator of blast furnace

Also Published As

Publication number Publication date
KR940000561B1 (en) 1994-01-24

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