ES2946659B2 - Procedimiento para la eliminacion del uso de productos quimicos en el pretratamiento de plantas desaladoras de agua de mar por osmosis inversa - Google Patents
Procedimiento para la eliminacion del uso de productos quimicos en el pretratamiento de plantas desaladoras de agua de mar por osmosis inversaInfo
- Publication number
- ES2946659B2 ES2946659B2 ES202390017A ES202390017A ES2946659B2 ES 2946659 B2 ES2946659 B2 ES 2946659B2 ES 202390017 A ES202390017 A ES 202390017A ES 202390017 A ES202390017 A ES 202390017A ES 2946659 B2 ES2946659 B2 ES 2946659B2
- Authority
- ES
- Spain
- Prior art keywords
- reverse osmosis
- seawater
- dosage
- elimination
- filters
- 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
- 239000013535 sea water Substances 0.000 title claims description 53
- 238000001223 reverse osmosis Methods 0.000 title claims description 36
- 239000000126 substance Substances 0.000 title claims description 26
- 238000010612 desalination reaction Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 19
- 230000008030 elimination Effects 0.000 title claims description 7
- 238000003379 elimination reaction Methods 0.000 title claims description 7
- 239000012528 membrane Substances 0.000 claims description 40
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 19
- 238000000108 ultra-filtration Methods 0.000 claims description 17
- 230000003115 biocidal effect Effects 0.000 claims description 14
- 239000003139 biocide Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000701 coagulant Substances 0.000 claims description 12
- 235000011149 sulphuric acid Nutrition 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000002203 pretreatment Methods 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 238000001914 filtration Methods 0.000 description 17
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 15
- 239000012267 brine Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 238000003860 storage Methods 0.000 description 14
- 235000002639 sodium chloride Nutrition 0.000 description 12
- 239000003651 drinking water Substances 0.000 description 9
- 235000020188 drinking water Nutrition 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 244000005700 microbiome Species 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000012466 permeate Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 235000010216 calcium carbonate Nutrition 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 3
- 235000011128 aluminium sulphate Nutrition 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 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
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 159000000011 group IA salts Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002510 pyrogen Substances 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 238000011888 autopsy Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 2
- 229910052923 celestite Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000010840 domestic wastewater Substances 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 206010024264 Lethargy Diseases 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940005740 hexametaphosphate Drugs 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000011169 microbiological contamination Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- -1 silica (SiO2) Chemical compound 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/18—Details relating to membrane separation process operations and control pH control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/162—Use of acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- 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
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2020/070823 WO2022144470A1 (es) | 2020-12-28 | 2020-12-28 | Procedimiento para la eliminación del uso de productos químicos en el pre-tratamiento de plantas desaladoras de agua de mar por ósmosis inversa |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ES2946659A2 ES2946659A2 (es) | 2023-07-24 |
| ES2946659R2 ES2946659R2 (es) | 2023-11-21 |
| ES2946659B2 true ES2946659B2 (es) | 2024-04-26 |
Family
ID=82259122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES202390017A Active ES2946659B2 (es) | 2020-12-28 | 2020-12-28 | Procedimiento para la eliminacion del uso de productos quimicos en el pretratamiento de plantas desaladoras de agua de mar por osmosis inversa |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20240025780A1 (es) |
| CO (1) | CO2023005692A2 (es) |
| EC (1) | ECSP23032147A (es) |
| ES (1) | ES2946659B2 (es) |
| MA (1) | MA60452B1 (es) |
| MX (1) | MX2023005207A (es) |
| PE (1) | PE20241178A1 (es) |
| WO (1) | WO2022144470A1 (es) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169789A (en) * | 1978-06-01 | 1979-10-02 | Permo Sa | Process and apparatus for purifying sea water by reverse osmosis |
| JPH08108048A (ja) * | 1994-10-12 | 1996-04-30 | Toray Ind Inc | 逆浸透分離装置及び逆浸透分離方法 |
| US6508936B1 (en) * | 1997-10-01 | 2003-01-21 | Saline Water Conversion Corporation | Process for desalination of saline water, especially water, having increased product yield and quality |
| US20060157409A1 (en) * | 2005-01-14 | 2006-07-20 | Saline Water Conversion Corporation (Swcc) | Optimal high recovery, energy efficient dual fully integrated nanofiltration seawater reverse osmosis desalination process and equipment |
| ES2582214T3 (es) * | 2009-10-08 | 2016-09-09 | Bluewater Filterclear Limited | Uso de un filtro de material particulado multicapa para reducir la turbidez y el IDS del agua |
| MX2013001765A (es) * | 2010-08-17 | 2013-03-22 | Toray Industries | Aparato para producir agua fresca y metodo para su operacion. |
| GB201101717D0 (en) * | 2011-02-01 | 2011-03-16 | Ide Technologies Ltd | Chemical free and energy efficient desalination system |
| JO3415B1 (ar) * | 2011-03-30 | 2019-10-20 | Crystal Lagoons Tech Inc | نظام لمعالجة الماء المستخدم لأغراض صناعية |
| JP2014217790A (ja) * | 2011-09-02 | 2014-11-20 | 日東電工株式会社 | 海水淡水化方法 |
| AU2012324220B2 (en) * | 2011-10-19 | 2015-12-24 | Hitachi, Ltd. | Fresh water generation system |
| CN104556437A (zh) * | 2013-10-11 | 2015-04-29 | 中国石油化工股份有限公司 | 一种膜技术用于城市污水深度处理回用的方法 |
| NL2012380B1 (nl) * | 2014-03-07 | 2015-12-08 | Beheer- En Beleggingsmaatschappij J H Van De Graaf B V | Vaartuig voor geïntegreerde fysisch-chemische reiniging. |
| EP3189016B1 (en) * | 2014-09-04 | 2020-06-03 | Clean Chemistry, Inc. | Method of water treatment utilizing a peracetate oxidant solution |
| CN110550801A (zh) * | 2019-08-28 | 2019-12-10 | 陈泉学 | 超滤膜纺丝废水处理系统及处理方法 |
-
2020
- 2020-12-28 PE PE2023001589A patent/PE20241178A1/es unknown
- 2020-12-28 MX MX2023005207A patent/MX2023005207A/es unknown
- 2020-12-28 ES ES202390017A patent/ES2946659B2/es active Active
- 2020-12-28 MA MA60452A patent/MA60452B1/fr unknown
- 2020-12-28 WO PCT/ES2020/070823 patent/WO2022144470A1/es not_active Ceased
- 2020-12-28 US US18/254,185 patent/US20240025780A1/en active Pending
-
2023
- 2023-05-02 EC ECSENADI202332147A patent/ECSP23032147A/es unknown
- 2023-05-03 CO CONC2023/0005692A patent/CO2023005692A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ECSP23032147A (es) | 2023-06-30 |
| US20240025780A1 (en) | 2024-01-25 |
| CO2023005692A2 (es) | 2023-05-29 |
| ES2946659A2 (es) | 2023-07-24 |
| ES2946659R2 (es) | 2023-11-21 |
| WO2022144470A1 (es) | 2022-07-07 |
| MX2023005207A (es) | 2023-05-31 |
| PE20241178A1 (es) | 2024-05-30 |
| MA60452B1 (fr) | 2024-02-29 |
| MA60452A1 (fr) | 2023-09-27 |
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