KR100956169B1 - 난용성 침전물 제거용 조성물 및 난용성 침전물 제거 방법 - Google Patents
난용성 침전물 제거용 조성물 및 난용성 침전물 제거 방법 Download PDFInfo
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- KR100956169B1 KR100956169B1 KR20090095029A KR20090095029A KR100956169B1 KR 100956169 B1 KR100956169 B1 KR 100956169B1 KR 20090095029 A KR20090095029 A KR 20090095029A KR 20090095029 A KR20090095029 A KR 20090095029A KR 100956169 B1 KR100956169 B1 KR 100956169B1
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- poorly soluble
- composition
- acid
- soluble precipitate
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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
- C02F5/12—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 nitrogen
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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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)
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Abstract
Description
| 오염물 분류 | 주성분 | 제거제 | 제거 메커니즘 |
| 무기물 | Cilay, Silica, Talc,TiO2, CaCo3, etc | 산에 의한 제거와 Acrylate계 분산제 및 -COOH계 킬레이트제 등 | 분산,용해 착화물 형성(수용성) |
| 유기물 | AKD,ASA,Lignin, Rosin Size, Fatty acids, Wax,notmelts, etc | 용제처리, 양이온Polymer, 흡착제 사용 등 | 흡착 및 섬유에 대한 Fixing 제어 |
| 미생물 | Algae, Fungi, Bacteria | DBNPA,Isothiazoline 등의 Slimecide | 살균 |
| 지종 | pH | 전도도 (ms/m) | M- Alkalinity (ppm) | Ca- hardness (ppm) | TDS (ppm) | SiO2 (ppm) | SO4 (ppm) |
| 신문지종 A사 | 7.70 | 680 | 166 ppm | 420 | 2195 | 74 | 1200 |
| 신문지종 B사 | 7.00 | - | 200 ppm | 570 | 2330 | 129 | 800 |
| 라이너지종 A사 | 6.63 | 821 | 358 ppm | 1290 | 3707 | - | - |
| 라이너지종 B사 | 5.90 | 1356 | 74 ppm | 600 | 1796 | - | - |
| 라이너지종 C사 | 6.62 | 520 | 190 ppm | 900 | 2303 | - | - |
| 성분 | 농도 (조성물 내 함량) | 역할 |
| 에틸렌디아민테트라아세트산(Ethylene diamine tetra acetic acid)의 염 | 10~30 중량% | 용해제 |
| 수용성 아크릴레이트 중합체(수처리제용) (단일중합체, 공중합체, 삼원공중합체 등) | 5~10 중량% | 분산제 |
| -C00H 함유 유기산 | 1~5 중량% | 용해 보조제 |
| 폴리 에틸렌 글리콜 에테르계/글리코시드계 비이온성 계면활성제 | 0.1~0.5 중량% | 침투제 |
| 물 | 54.5~ 83.9 중량% | 담체 |
| 침전물 종류 | 용해도적 | 발생원인 |
| CaCO3 | 4.8 * 10-9 | 충전제(Filler)나 백수 순환이 높은 공정 |
| CaSO4 | 6.1 * 10-5 | 경도가 높은 공정수에 Alum 사용이 많거나 석고벽지 생산 시 |
| CaC2O4 | 2.3 *10-9 | GP*내 잔존하는 -C2O4 이온에 의해 발생 |
| BaSO4 | 1.0 * 10-10 | Ba계 Filler 사용 시 기타 특수고지 사용 시 |
| Al(OH)3 | 5* 10-33 | Alum** 과다 사용 시 |
| 적용위치 | Flume | |
| 적용농도 | 9-10 중량% | pH 12 - 13 |
| 공정수량 | 170ton | |
| 약 품 량 | 16ton | |
| 적용온도 | 60-70℃ | 순환온도유지 |
| 적용시간 | 4시간 | 순환세정 |
| 적용위치 | Save all | |
| 적용농도 | 10 중량% | pH 12- 13 |
| 공정수량 | Top M/C :20ton, Middle M/C :30ton | |
| 약 품 량 | Top M/C :2ton, Middle M/C :3ton | |
| 적용온도 | 60-70℃ | 순환온도유지 |
| 적용시간 | 4시간 (각각) | 순환세정 |
| 적용위치 | Save all | |
| 적용농도 | 9-10 중량% | pH 12- 13 |
| 공정수량 | 45ton | |
| 약 품 량 | 4ton | |
| 적용온도 | 60-70℃ | 순환온도유지 |
| 적용시간 | 3시간 | 순환세정 |
Claims (10)
- 에틸렌디아민테트라아세트산(Ethylene diamine tetra acetic acid)의 염 10 내지 30중량%;수용성 아크릴레이트 중합체 5 내지 10중량%;탄소수 1 내지 10의 유기산 1 내지 5중량%;에틸렌옥사이드(EO) 부가몰수 10 내지 30 몰수의 폴리 에틸렌 글리콜 에테르 및 탄소수 8 내지 10의 알킬폴리글리코시드로 이루어진 군에서 선택된 1종 이상의 계면활성제 0.1 내지 0.5중량%; 및잔량의 물을 포함하고,pH 10 내지 14의 알칼리성인,난용성 침전물 제거용 조성물.
- 삭제
- 제1항에 있어서,상기 에틸렌디아민테트라아세트산의 염은 에틸렌디아민테트라아세트산의 나트륨염인,난용성 침전물 제거용 조성물.
- 제1항에 있어서,상기 수용성 아크릴레이트 중합체는 아크릴레이트 단독중합체, 아크릴레이트와 아크릴아미드의 공중합체, 및 아크릴레이트와 아크릴아미드와 AMPS(2-acrylamido-2-methylpropane sulphonic acid)의 삼원 공중합체로 이루어진 군에서 선택된 1종 이상인,난용성 침전물 제거용 조성물.
- 제1항에 있어서,상기 유기산은 시트르산, 말산, 호박산, 및 개미산으로 이루어진 군에서 선택된 1종 이상인,난용성 침전물 제거용 조성물.
- 삭제
- 제1항에 있어서,상기 난용성 침전물은 CaCO3, CaSO4, CaC2O4, BaSO4, Al(OH)3, 및 CaSiO4 로 이루어진 군에서 선택된 1종 이상인,난용성 침전물 제거용 조성물.
- 제1항, 제3항 내지 제5항, 및 제7항 중 어느 한 항에 있어서,제지공정 중의 난용성 침전물 제거를 위한 것인,난용성 침전물 제거용 조성물.
- 제1항, 제3항 내지 제5항, 및 제7항 중 어느 한 항에 따른 난용성 침전물 제거용 조성물을 난용성 침전물에 적용하는 단계를 포함하는,난용성 침전물 제거 방법.
- 제9항에 있어서,상기 난용성 침전물 제거용 조성물을 제지공정 중에 생성된 난용성 침전물에 적용하는 것을 특징으로 하는,난용성 침전물 제거 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20090095029A KR100956169B1 (ko) | 2009-10-07 | 2009-10-07 | 난용성 침전물 제거용 조성물 및 난용성 침전물 제거 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20090095029A KR100956169B1 (ko) | 2009-10-07 | 2009-10-07 | 난용성 침전물 제거용 조성물 및 난용성 침전물 제거 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100956169B1 true KR100956169B1 (ko) | 2010-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20090095029A Active KR100956169B1 (ko) | 2009-10-07 | 2009-10-07 | 난용성 침전물 제거용 조성물 및 난용성 침전물 제거 방법 |
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| KR (1) | KR100956169B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210032141A1 (en) * | 2019-07-30 | 2021-02-04 | Solenis Technologies, L.P. | Silica scale inhibitors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020000796A (ko) * | 1999-03-26 | 2002-01-05 | 추후 | 녹 및 스케일 제거용 조성물 및 방법 |
| US7427584B2 (en) * | 2001-10-25 | 2008-09-23 | Schlumberger Technology Corporation | Treating composition |
-
2009
- 2009-10-07 KR KR20090095029A patent/KR100956169B1/ko active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020000796A (ko) * | 1999-03-26 | 2002-01-05 | 추후 | 녹 및 스케일 제거용 조성물 및 방법 |
| US7427584B2 (en) * | 2001-10-25 | 2008-09-23 | Schlumberger Technology Corporation | Treating composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210032141A1 (en) * | 2019-07-30 | 2021-02-04 | Solenis Technologies, L.P. | Silica scale inhibitors |
| CN114340766A (zh) * | 2019-07-30 | 2022-04-12 | 索理思科技开曼公司 | 二氧化硅垢抑制剂 |
| EP4003576A4 (en) * | 2019-07-30 | 2023-05-31 | Solenis Technologies Cayman, L.P. | Silica scale inhibitors |
| US11897801B2 (en) * | 2019-07-30 | 2024-02-13 | Solenis Technologies, L.P. | Silica scale inhibitors |
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