CA2613390C - Method of clarifying oily waste water - Google Patents
Method of clarifying oily waste water Download PDFInfo
- Publication number
- CA2613390C CA2613390C CA2613390A CA2613390A CA2613390C CA 2613390 C CA2613390 C CA 2613390C CA 2613390 A CA2613390 A CA 2613390A CA 2613390 A CA2613390 A CA 2613390A CA 2613390 C CA2613390 C CA 2613390C
- Authority
- CA
- Canada
- Prior art keywords
- hyperbranched
- water
- waste water
- dendritic
- polyethyleneimine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/682—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of chemical compounds for dispersing an oily layer on water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/325—Emulsions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2305/04—Surfactants, used as part of a formulation or alone
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/159,498 | 2005-06-23 | ||
| US11/159,498 US7431845B2 (en) | 2005-06-23 | 2005-06-23 | Method of clarifying oily waste water |
| PCT/US2006/024319 WO2007002298A2 (en) | 2005-06-23 | 2006-06-23 | Method of clarifying oily waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2613390A1 CA2613390A1 (en) | 2007-01-04 |
| CA2613390C true CA2613390C (en) | 2013-11-19 |
Family
ID=37566019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2613390A Active CA2613390C (en) | 2005-06-23 | 2006-06-23 | Method of clarifying oily waste water |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7431845B2 (2) |
| EP (1) | EP1907325B1 (2) |
| JP (1) | JP5420899B2 (2) |
| KR (1) | KR101387034B1 (2) |
| BR (1) | BRPI0613810B1 (2) |
| CA (1) | CA2613390C (2) |
| NO (1) | NO340776B1 (2) |
| WO (1) | WO2007002298A2 (2) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7273981B2 (en) * | 2001-02-09 | 2007-09-25 | Bsst, Llc. | Thermoelectric power generation systems |
| PL1722634T3 (pl) | 2004-03-10 | 2011-12-30 | Monsanto Technology Llc | Kompozycje herbicydowe zawierające N-fosfonometyloglicynę i herbicyd auksynowy |
| US20080274929A1 (en) * | 2007-05-01 | 2008-11-06 | Whitekettle Wilson K | Method for removing microbes from surfaces |
| CN101357992B (zh) * | 2008-06-20 | 2010-12-08 | 中国海洋石油总公司 | 一种星状聚季铵盐高效反相破乳剂的制备方法 |
| WO2010040117A2 (en) | 2008-10-03 | 2010-04-08 | California Institute Of Technology | Extraction of anions from solutions and mixtures using hyperbranched macromolecules |
| US9815712B2 (en) | 2008-10-03 | 2017-11-14 | California Institute Of Technology | High capacity perchlorate-selective resins from hyperbranched macromolecules |
| US20130118986A1 (en) * | 2008-10-03 | 2013-05-16 | Mamadou S. Diallo | High Capacity Oxoanion Chelating Media From Hyperbranched Macromolecules |
| US20120142532A1 (en) | 2009-08-10 | 2012-06-07 | Monsanto Technology Llc | Low volatility auxin herbicide formulations |
| US8658702B2 (en) | 2009-12-17 | 2014-02-25 | Mamadou Diallo | Soluble anion exchangers from hyperbranched macromolecules |
| CN102190380B (zh) | 2010-03-16 | 2015-03-25 | 通用电气公司 | 溶液的处理系统和方法 |
| CN102452700B (zh) * | 2010-10-22 | 2014-07-30 | 通用电气公司 | 水性含油溶液的处理方法及处理系统 |
| AU2012328638B2 (en) | 2011-10-26 | 2016-11-17 | Monsanto Technology Llc | Salts of carboxylic acid herbicides |
| WO2013103909A1 (en) * | 2012-01-05 | 2013-07-11 | California Institute Of Technology | High capacity oxoanion chelating media from hyperbranched macromolecules |
| CN102559246B (zh) * | 2012-02-16 | 2013-12-25 | 中国海洋石油总公司 | 一种反相破乳剂及其制备方法 |
| CN102559245B (zh) * | 2012-02-16 | 2013-12-25 | 中国海洋石油总公司 | 反相破乳剂及其制备方法 |
| DE102012005377A1 (de) * | 2012-03-16 | 2013-03-14 | Clariant International Ltd. | Alkoxylierte Polyamidoamine und deren Verwendung als Emulsionsspalter |
| DE102012005279A1 (de) * | 2012-03-16 | 2013-03-14 | Clariant International Limited | Alkoxylierte, vernetzte Polyamidoamine und deren Verwendung als Emulsionsspalter |
| UY34845A (es) | 2012-06-04 | 2014-01-31 | Monsanto Technology Llc | ?composiciones herbicidas concentradas acuosas que contienen sales de glifosato y sales de dicamba |
| CA3123572A1 (en) | 2013-02-27 | 2014-09-04 | Monsanto Technology Llc | Glyphosate composition for dicamba tank mixtures with improved volatility |
| US20160326443A1 (en) | 2014-01-09 | 2016-11-10 | Dow Global Technologies Llc | Composition and method for oilfield water clarification processes |
| KR101715747B1 (ko) * | 2015-02-27 | 2017-03-28 | 코웨이엔텍 주식회사 | 원유 폐수의 에멀젼 파괴에 의한 유수 분리 방법 |
| TWI713605B (zh) * | 2015-10-12 | 2020-12-21 | 美商藝康美國公司 | 分解在乙烯製造過程中形成的乳化液之方法 |
| BR112018010928A2 (pt) | 2015-12-02 | 2018-12-04 | Ecolab Usa Inc | método de tratamento de uma corrente, e, líquido de desempenho multicomponente |
| US11434435B2 (en) * | 2016-08-23 | 2022-09-06 | Sabic Global Technologies B.V. | Online zeta-potential measurements for optimization of emulsion breaker dosage in ethylene plants |
| JP6916289B2 (ja) * | 2017-08-24 | 2021-08-11 | 株式会社日本触媒 | エチレンイミン重合体溶液およびその製造方法 |
| WO2019046409A1 (en) | 2017-08-30 | 2019-03-07 | Ecolab Usa Inc. | MOLECULES HAVING A HYDROPHOBIC GROUP AND TWO IDENTICAL HYDROPHILIC IONIC GROUPS AND CORRESPONDING COMPOSITIONS |
| US10597527B2 (en) * | 2017-12-21 | 2020-03-24 | Hongbin Zhu | Heavy oil demulsifier |
| CN108314894A (zh) * | 2018-01-30 | 2018-07-24 | 浙江理工大学 | 一种复合材料及其制备方法和应用 |
| WO2019158601A1 (en) | 2018-02-16 | 2019-08-22 | Rhodia Operations | Low volatility herbicidal compositions |
| WO2020047181A1 (en) | 2018-08-29 | 2020-03-05 | Ecolab Usa Inc. | Use of multiple charged ionic compounds derived from polyamines for waste water clarification |
| CA3110686C (en) | 2018-08-29 | 2025-11-04 | Ecolab Usa Inc. | IONIC COMPOUNDS WITH MULTIPLE CHARGES DERIVED FROM POLYAMINES AND COMPOSITIONS BASED ON THESE COMPOUNDS AND ASSOCIATED PREPARATION PROCESSES |
| CN116082183A (zh) | 2018-08-29 | 2023-05-09 | 埃科莱布美国股份有限公司 | 衍生自多胺的带多个电荷的离子化合物及其组合物和其作为反相破乳剂用于油气操作的用途 |
| US11084974B2 (en) | 2018-08-29 | 2021-08-10 | Championx Usa Inc. | Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations |
| US11058111B2 (en) | 2018-08-29 | 2021-07-13 | Ecolab Usa Inc. | Use of multiple charged cationic compounds derived from primary amines or polyamines for microbial fouling control in a water system |
| EP3845296B1 (en) * | 2018-08-31 | 2026-02-25 | Nippon Shokubai Co., Ltd. | Draw solute and water treatment equipment |
| CN109364530B (zh) * | 2018-11-27 | 2020-11-24 | 浙江大学 | 一种对水包油型乳状液进行破乳的方法 |
| WO2020121031A1 (en) * | 2018-12-12 | 2020-06-18 | Sabic Global Technologies B.V. | Polyethylenimine as a new emulsion breaker for quench water systems |
| CA3136427C (en) | 2019-04-16 | 2023-10-24 | Ecolab Usa Inc. | Use of multiple charged cationic compounds derived from polyamines and compositions thereof for corrosion inhibition in a water system |
| CN111018176A (zh) * | 2019-12-12 | 2020-04-17 | 陕西欧菲德环保科技有限公司 | 一种破乳剂及其制备方法与应用 |
| CN112058245B (zh) * | 2020-09-24 | 2023-06-09 | 内蒙古东源环保科技股份有限公司 | 一种用于污水处理的有机高分子吸附剂及其制备方法 |
| CN113429078A (zh) * | 2021-07-07 | 2021-09-24 | 天津开放大学 | 一种含油废水的处理方法 |
| EP4381038A1 (en) | 2021-08-05 | 2024-06-12 | Ecolab USA Inc. | Sugar/gluconoamide alkoxylate compositions and uses thereof |
| WO2023014941A1 (en) | 2021-08-05 | 2023-02-09 | Ecolab Usa Inc. | Polyamine-polyesters as corrosion inhibition |
| CN114479091B (zh) * | 2022-03-08 | 2023-05-12 | 宁波锋成先进能源材料研究院有限公司 | 一种超支化材料及其制备方法、纳米乳液及其制备方法和在含油污泥循环清洗中的应用 |
| US11814580B1 (en) | 2022-06-09 | 2023-11-14 | Saudi Arabian Oil Company | Hyperbranched polymer-based hydraulic fracturing fluid crosslinker |
| CN115584279B (zh) * | 2022-09-27 | 2023-11-17 | 浙江大学 | 利用双功能超支化型表面活性剂对油水两相体系乳化/破乳的方法 |
| US12065614B1 (en) | 2023-04-03 | 2024-08-20 | Saudi Arabian Oil Company | Branched cellulose-based hydraulic fracturing fluid crosslinker |
| WO2025245389A1 (en) * | 2024-05-22 | 2025-11-27 | Dyasa Ambiental, S.A. de C.V. | Composition and method for municipal and industrial wastewater treatment |
| CN121177806B (zh) * | 2025-10-09 | 2026-03-20 | 华南理工大学 | 一种复合助剂及其制备与在粗煤气吸收和油水分离中的应用 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259587A (en) * | 1960-08-04 | 1966-07-05 | Petrolite Corp | Demulsification |
| US3703545A (en) * | 1970-07-02 | 1972-11-21 | Dow Chemical Co | Polyalkylenepolyamines with n-(2-hydroxy-3-sulfopropyl) groups |
| US4308149A (en) * | 1980-07-14 | 1981-12-29 | Nalco Chemical Company | Branched/cross-linked cationic phenol-formaldehyde polymers useful in wastewater treatment |
| US4457860A (en) * | 1982-04-26 | 1984-07-03 | The Dow Chemical Company | Use of heterocyclic ammonium polyamidoamines as demulsifiers |
| US4507466A (en) * | 1983-01-07 | 1985-03-26 | The Dow Chemical Corporation | Dense star polymers having core, core branches, terminal groups |
| US4737550A (en) * | 1983-01-07 | 1988-04-12 | The Dow Chemical Company | Bridged dense star polymers |
| US4568737A (en) * | 1983-01-07 | 1986-02-04 | The Dow Chemical Company | Dense star polymers and dendrimers |
| US4587329A (en) * | 1984-08-17 | 1986-05-06 | The Dow Chemical Company | Dense star polymers having two dimensional molecular diameter |
| JPH0747085B2 (ja) * | 1985-05-17 | 1995-05-24 | 三井東圧化学株式会社 | 油水分離方法 |
| JPS61282370A (ja) * | 1985-06-03 | 1986-12-12 | ナルコ ケミカル カンパニ− | 解乳化剤およびそれを用いる水清浄化方法 |
| DE3627199A1 (de) * | 1986-08-11 | 1988-02-25 | Henkel Kgaa | Verfahren zur steuerung der spaltung von oel-/wasseremulsionen |
| DE3635235A1 (de) * | 1986-10-16 | 1988-05-05 | Basf Ag | Alkoxylierte amidgruppenhaltige polyamide und deren verwendung zum brechen von oel-in-wasser- und wasser -in-oel-emulsionen |
| US4857599A (en) * | 1988-02-08 | 1989-08-15 | The Dow Chemical Company | Modified dense star polymers |
| US5445767A (en) | 1990-02-06 | 1995-08-29 | British Telecommunications Public Limited Company | Optical switches |
| DE4009760A1 (de) * | 1990-03-27 | 1991-10-02 | Bayer Ag | Verfahren zum auftrennen von oel-in-wasser- emulsionen |
| DE4136661A1 (de) * | 1991-11-07 | 1993-05-13 | Basf Ag | Erdoelemulsionsspalter |
| DE4418800A1 (de) * | 1994-05-30 | 1995-12-07 | Basf Ag | Verfahren zur Abtrennung vom Wasser aus Rohöl und hierbei verwendete Erdölemulsionsspalter |
| DE4435688A1 (de) * | 1994-10-06 | 1996-04-11 | Basf Ag | Verfahren zur Herstellung von Oligoaminen oder Polyaminen |
| DE19545874A1 (de) * | 1995-12-08 | 1997-06-12 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Homopolymerisaten des Ethylenimins |
| CA2245515C (en) | 1996-02-02 | 2003-06-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Solutions for preserving and sterilizing contact lenses |
| US6132630A (en) * | 1998-02-17 | 2000-10-17 | Tuboscope Vetco International Inc. | Methods for wastewater treatment |
| US6036868A (en) * | 1998-07-23 | 2000-03-14 | Nalco Chemical Company | Use of hydrophilic dispersion polymers for oily wastewater clarification |
| JP2004123916A (ja) * | 2002-10-02 | 2004-04-22 | Nippon Shokubai Co Ltd | コア/シェル型ポリアミンデンドリマー化合物 |
-
2005
- 2005-06-23 US US11/159,498 patent/US7431845B2/en active Active
-
2006
- 2006-06-23 WO PCT/US2006/024319 patent/WO2007002298A2/en not_active Ceased
- 2006-06-23 JP JP2008518391A patent/JP5420899B2/ja active Active
- 2006-06-23 CA CA2613390A patent/CA2613390C/en active Active
- 2006-06-23 BR BRPI0613810A patent/BRPI0613810B1/pt active IP Right Grant
- 2006-06-23 EP EP06773777.5A patent/EP1907325B1/en not_active Not-in-force
-
2007
- 2007-12-18 NO NO20076539A patent/NO340776B1/no unknown
-
2008
- 2008-01-16 KR KR1020087001311A patent/KR101387034B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| NO340776B1 (no) | 2017-06-19 |
| US20060289359A1 (en) | 2006-12-28 |
| EP1907325A4 (en) | 2011-08-17 |
| CA2613390A1 (en) | 2007-01-04 |
| BRPI0613810A2 (pt) | 2011-02-15 |
| US7431845B2 (en) | 2008-10-07 |
| JP2009507619A (ja) | 2009-02-26 |
| BRPI0613810B1 (pt) | 2016-09-06 |
| NO20076539L (no) | 2007-12-18 |
| EP1907325B1 (en) | 2020-10-28 |
| KR20080025157A (ko) | 2008-03-19 |
| JP5420899B2 (ja) | 2014-02-19 |
| EP1907325A2 (en) | 2008-04-09 |
| WO2007002298A2 (en) | 2007-01-04 |
| KR101387034B1 (ko) | 2014-05-07 |
| WO2007002298A3 (en) | 2008-07-24 |
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Legal Events
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|---|---|---|---|
| EEER | Examination request | ||
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 19TH ANNIV.) - STANDARD Year of fee payment: 19 |
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