IN170621B - - Google Patents
Info
- Publication number
- IN170621B IN170621B IN920/DEL/86A IN920DE1986A IN170621B IN 170621 B IN170621 B IN 170621B IN 920DE1986 A IN920DE1986 A IN 920DE1986A IN 170621 B IN170621 B IN 170621B
- Authority
- IN
- India
Links
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
-
- 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
Landscapes
- 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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/793,815 US4707271A (en) | 1985-11-01 | 1985-11-01 | Stabilization of iron in aqueous systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN170621B true IN170621B (pt) | 1992-04-25 |
Family
ID=25160879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN920/DEL/86A IN170621B (pt) | 1985-11-01 | 1986-10-17 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4707271A (pt) |
| EP (1) | EP0220726A3 (pt) |
| JP (1) | JPS62110799A (pt) |
| KR (1) | KR870004909A (pt) |
| CN (1) | CN1005969B (pt) |
| AU (1) | AU587077B2 (pt) |
| BR (1) | BR8605395A (pt) |
| DK (1) | DK522086A (pt) |
| IN (1) | IN170621B (pt) |
| PT (1) | PT83663B (pt) |
| ZA (1) | ZA868155B (pt) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919821A (en) * | 1986-03-21 | 1990-04-24 | Nalco Chemical Company | Modified maleic anhydride polymers and the like for use as scale inhibitors |
| US4818506A (en) * | 1988-01-15 | 1989-04-04 | Nalco Chemical Company | Gypsum scale inhibitors for flue gas desulfurization systems |
| US4869828A (en) * | 1988-02-26 | 1989-09-26 | Nalco Chemical Company | Stabilization of iron in aqueous systems |
| JPH07119951B2 (ja) * | 1988-08-05 | 1995-12-20 | 富士写真フイルム株式会社 | 熱現像感光材料 |
| US5035806A (en) * | 1989-05-15 | 1991-07-30 | Nalco Chemical Company | Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers |
| US4937002A (en) * | 1989-06-12 | 1990-06-26 | National Starch And Chemical Investment Holding Corporation | Interpolymers for barium sulphate inhibition |
| DE4004953C3 (de) * | 1990-02-19 | 1998-01-29 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung von neutralisierten Polyacrylsäuren und ihre Verwendung als Mahl- und Dispergierhilfsmittel |
| US5302293A (en) * | 1992-07-13 | 1994-04-12 | Nalco Chemical Company | Method of controlling iron in produced oilfield waters |
| US9052289B2 (en) * | 2010-12-13 | 2015-06-09 | Schlumberger Technology Corporation | Hydrogen sulfide (H2S) detection using functionalized nanoparticles |
| JP5862193B2 (ja) * | 2011-10-18 | 2016-02-16 | 栗田工業株式会社 | 蒸気発生器の水側缶内における鉄スケール防止方法 |
| JP5903953B2 (ja) * | 2012-03-15 | 2016-04-13 | 栗田工業株式会社 | 蒸気発生器の鉄スケール防止剤及び防止方法 |
| CN104692515A (zh) * | 2015-02-04 | 2015-06-10 | 华东理工大学 | 一种加强活化过氧化钙去除水中氯代烯烃的方法 |
| CN115612015B (zh) * | 2022-12-19 | 2023-04-28 | 山东泰和科技股份有限公司 | 一种水溶性综合阻垢剂及其制备方法和在水处理中的应用 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386005A (en) * | 1981-01-06 | 1983-05-31 | Chemical Sciences, Inc. | Scale inhibitor for reverse osmosis water purification system |
| US4434059A (en) * | 1981-02-02 | 1984-02-28 | Johnson Donald A | Polymers for prevention of fouling by iron oxides in cooling systems |
| US4361492A (en) * | 1981-04-09 | 1982-11-30 | Nalco Chemical Company | Particulate dispersant enhancement using acrylamide-acrylic acid copolymers |
| US4431547A (en) * | 1981-08-24 | 1984-02-14 | Nalco Chemical Company | Use of acrylamide/acrylic acid copolymers for prevention of fouling by Ca3 (PO4)2 |
| US4387027A (en) * | 1981-10-09 | 1983-06-07 | Betz Laboratories, Inc. | Control of iron induced fouling in water systems |
| US4432884A (en) * | 1982-07-19 | 1984-02-21 | Katayama Chemical Works Co., Ltd. | Scale inhibiting agent |
| FR2536383A1 (fr) * | 1982-11-24 | 1984-05-25 | Elf Aquitaine | Procede et produit pour l'empechement de l'entartrage par des eaux |
| CA1234033A (en) * | 1983-10-26 | 1988-03-15 | Fu Chen | Water treatment polymers and methods of use thereof |
| US4566973A (en) * | 1984-08-06 | 1986-01-28 | The B. F. Goodrich Company | Scale inhibition in water systems |
-
1985
- 1985-11-01 US US06/793,815 patent/US4707271A/en not_active Expired - Lifetime
-
1986
- 1986-10-17 IN IN920/DEL/86A patent/IN170621B/en unknown
- 1986-10-21 AU AU64295/86A patent/AU587077B2/en not_active Ceased
- 1986-10-27 ZA ZA868155A patent/ZA868155B/xx unknown
- 1986-10-29 EP EP86115026A patent/EP0220726A3/en not_active Withdrawn
- 1986-10-31 BR BR8605395A patent/BR8605395A/pt unknown
- 1986-10-31 CN CN86107456.4A patent/CN1005969B/zh not_active Expired
- 1986-10-31 DK DK522086A patent/DK522086A/da not_active Application Discontinuation
- 1986-10-31 PT PT83663A patent/PT83663B/pt not_active IP Right Cessation
- 1986-10-31 JP JP61258690A patent/JPS62110799A/ja active Pending
- 1986-11-01 KR KR860009227A patent/KR870004909A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CN86107456A (zh) | 1987-07-01 |
| PT83663A (en) | 1986-11-01 |
| CN1005969B (zh) | 1989-12-06 |
| EP0220726A2 (en) | 1987-05-06 |
| PT83663B (pt) | 1989-05-31 |
| AU6429586A (en) | 1987-05-07 |
| EP0220726A3 (en) | 1988-11-30 |
| JPS62110799A (ja) | 1987-05-21 |
| AU587077B2 (en) | 1989-08-03 |
| KR870004909A (ko) | 1987-06-02 |
| US4707271A (en) | 1987-11-17 |
| ZA868155B (en) | 1987-08-26 |
| BR8605395A (pt) | 1987-08-11 |
| DK522086D0 (da) | 1986-10-31 |
| DK522086A (da) | 1987-05-02 |