CN101835954B - 用于在重油回收中移除硅石的工艺 - Google Patents
用于在重油回收中移除硅石的工艺 Download PDFInfo
- Publication number
- CN101835954B CN101835954B CN200880113363.9A CN200880113363A CN101835954B CN 101835954 B CN101835954 B CN 101835954B CN 200880113363 A CN200880113363 A CN 200880113363A CN 101835954 B CN101835954 B CN 101835954B
- Authority
- CN
- China
- Prior art keywords
- salt solution
- evaporimeter
- concentrated salt
- directed
- oil
- 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.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000008569 process Effects 0.000 title abstract description 28
- 238000011084 recovery Methods 0.000 title abstract description 13
- 239000000295 fuel oil Substances 0.000 title description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000012267 brine Substances 0.000 claims abstract description 21
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 7
- 239000003129 oil well Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract 6
- 239000012266 salt solution Substances 0.000 claims description 81
- 238000005516 engineering process Methods 0.000 claims description 56
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 46
- 239000007787 solid Substances 0.000 claims description 45
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 32
- 238000004821 distillation Methods 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 26
- 239000000919 ceramic Substances 0.000 claims description 25
- 239000000395 magnesium oxide Substances 0.000 claims description 23
- 239000012141 concentrate Substances 0.000 claims description 20
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 18
- 239000000347 magnesium hydroxide Substances 0.000 claims description 18
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 18
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 16
- 239000011777 magnesium Substances 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 238000000975 co-precipitation Methods 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 46
- 235000019198 oils Nutrition 0.000 description 41
- 238000010521 absorption reaction Methods 0.000 description 29
- 238000002425 crystallisation Methods 0.000 description 24
- 230000008025 crystallization Effects 0.000 description 24
- 238000001704 evaporation Methods 0.000 description 23
- 239000013078 crystal Substances 0.000 description 21
- 230000008020 evaporation Effects 0.000 description 20
- 239000002002 slurry Substances 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000010408 film Substances 0.000 description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 7
- 238000005755 formation reaction Methods 0.000 description 7
- 238000004513 sizing Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 235000019476 oil-water mixture Nutrition 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 239000011552 falling film Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- -1 metal-oxide compound Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- RBORURQQJIQWBS-QVRNUERCSA-N (4ar,6r,7r,7as)-6-(6-amino-8-bromopurin-9-yl)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4h-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol Chemical compound C([C@H]1O2)OP(O)(=S)O[C@H]1[C@@H](O)[C@@H]2N1C(N=CN=C2N)=C2N=C1Br RBORURQQJIQWBS-QVRNUERCSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BIVQBWSIGJFXLF-UHFFFAOYSA-N PPM-18 Chemical compound C=1C(=O)C2=CC=CC=C2C(=O)C=1NC(=O)C1=CC=CC=C1 BIVQBWSIGJFXLF-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910001410 inorganic ion Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Removal Of Specific Substances (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96818007P | 2007-08-27 | 2007-08-27 | |
| US60/968180 | 2007-08-27 | ||
| PCT/US2008/074442 WO2009029653A1 (fr) | 2007-08-27 | 2008-08-27 | Procédé pour éliminer la silice lors de la récupération de pétrole lourd |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101835954A CN101835954A (zh) | 2010-09-15 |
| CN101835954B true CN101835954B (zh) | 2013-07-31 |
Family
ID=40387762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880113363.9A Active CN101835954B (zh) | 2007-08-27 | 2008-08-27 | 用于在重油回收中移除硅石的工艺 |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101835954B (fr) |
| BR (1) | BRPI0815845B1 (fr) |
| RU (1) | RU2479713C2 (fr) |
| WO (1) | WO2009029653A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2954950B1 (fr) | 2010-01-06 | 2012-02-24 | Total Sa | Production de vapeur et son application a la recuperation assistee d'hydrocarbures |
| WO2013142764A2 (fr) * | 2012-03-22 | 2013-09-26 | E. I. Du Pont De Nemours And Company | Traitement d'eau produite en récupération d'huile |
| CA2794356C (fr) | 2012-09-13 | 2018-10-23 | General Electric Company | Traitement d'eau produite avec un evaporateur a culture |
| GB2510159B (en) | 2013-01-27 | 2015-04-22 | Ide Technologies Ltd | Evaporator array for a water treatment system |
| CA2860277C (fr) * | 2014-06-02 | 2016-10-25 | Veolia Water Solutions & Technologies North America, Inc. | Procede de recuperation d'hydrocarbure incluant l'adoucissement amelioree de l'eau produite |
| WO2016025195A1 (fr) * | 2014-08-13 | 2016-02-18 | Veolia Water Technologies, Inc. | Procédé et dispositif pour le refroidissement instantané d'eau produite et le chauffage d'eau d'alimentation de générateur de vapeur |
| CN107032515A (zh) * | 2016-02-04 | 2017-08-11 | 通用电气公司 | 用于从产出水流制备蒸汽的方法和装置及包含其的回收油的工艺和系统 |
| WO2017180548A1 (fr) * | 2016-04-14 | 2017-10-19 | Veolia Water Technologies, Inc. | Procédé de traitement d'eau produite avec de l'oxyde de magnésium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193009A (en) * | 1963-02-28 | 1965-07-06 | Shell Oil Co | Use of low-grade steam containing dissolved salts in an oil production method |
| US4663367A (en) * | 1984-08-30 | 1987-05-05 | The Borden Company Limited | Compositions and methods for reducing the permeability of underground strata |
| US4877536A (en) * | 1981-04-23 | 1989-10-31 | Bertness Enterprises, Inc. | Method of treating saline water |
| US5611931A (en) * | 1995-07-31 | 1997-03-18 | Media And Process Technology Inc. | High temperature fluid separations using ceramic membrane device |
| US6733636B1 (en) * | 1999-05-07 | 2004-05-11 | Ionics, Inc. | Water treatment method for heavy oil production |
| CN1902437A (zh) * | 2003-11-26 | 2007-01-24 | 水技术国际股份有限公司 | 由开采水生产高压蒸汽的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6536523B1 (en) * | 1997-01-14 | 2003-03-25 | Aqua Pure Ventures Inc. | Water treatment process for thermal heavy oil recovery |
| CA2296357C (fr) * | 1997-07-23 | 2006-07-04 | Cleansorb Limited | Procedes utiles pour le depot de matieres dans des reservoirs souterains |
| US6165553A (en) * | 1998-08-26 | 2000-12-26 | Praxair Technology, Inc. | Method of fabricating ceramic membranes |
| US6734144B2 (en) * | 2000-04-25 | 2004-05-11 | Exxonmobil Upstream Research Company | Solids-stabilized water-in-oil emulsion and method for using same |
| US6447577B1 (en) * | 2001-02-23 | 2002-09-10 | Intevep, S. A. | Method for removing H2S and CO2 from crude and gas streams |
| RU2215871C2 (ru) * | 2001-05-03 | 2003-11-10 | Аква-Пьюэр Вентчерс Инк. | Способ удаления загрязняющих примесей из поступающего потока |
| US20030127391A1 (en) * | 2001-07-26 | 2003-07-10 | Craft Frank S. | Method for treatment of circulating cooling water |
| CA2414949C (fr) * | 2002-12-20 | 2010-04-13 | Imperial Oil Resources Limited | Procede integre de traitement de l'eau et de desulfuration de gaz effluents |
-
2008
- 2008-08-27 RU RU2010111793/03A patent/RU2479713C2/ru active
- 2008-08-27 CN CN200880113363.9A patent/CN101835954B/zh active Active
- 2008-08-27 BR BRPI0815845-2A patent/BRPI0815845B1/pt not_active IP Right Cessation
- 2008-08-27 WO PCT/US2008/074442 patent/WO2009029653A1/fr active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193009A (en) * | 1963-02-28 | 1965-07-06 | Shell Oil Co | Use of low-grade steam containing dissolved salts in an oil production method |
| US4877536A (en) * | 1981-04-23 | 1989-10-31 | Bertness Enterprises, Inc. | Method of treating saline water |
| US4663367A (en) * | 1984-08-30 | 1987-05-05 | The Borden Company Limited | Compositions and methods for reducing the permeability of underground strata |
| US5611931A (en) * | 1995-07-31 | 1997-03-18 | Media And Process Technology Inc. | High temperature fluid separations using ceramic membrane device |
| US6733636B1 (en) * | 1999-05-07 | 2004-05-11 | Ionics, Inc. | Water treatment method for heavy oil production |
| CN1902437A (zh) * | 2003-11-26 | 2007-01-24 | 水技术国际股份有限公司 | 由开采水生产高压蒸汽的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0815845A8 (pt) | 2015-12-29 |
| RU2479713C2 (ru) | 2013-04-20 |
| WO2009029653A1 (fr) | 2009-03-05 |
| CN101835954A (zh) | 2010-09-15 |
| BRPI0815845B1 (pt) | 2018-06-12 |
| RU2010111793A (ru) | 2011-10-10 |
| BRPI0815845A2 (pt) | 2015-02-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: VEOLIA WATER TREATMENT TECHNOLOGY NORTH AMERICA CO Free format text: FORMER OWNER: HPD LLC Effective date: 20130703 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130703 Address after: American Pennsylvania Applicant after: Veolia Water Solutions & Technologies North America Inc. Address before: Illinois State Applicant before: HPD LLC |
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| C14 | Grant of patent or utility model | ||
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