NL8202866A - Bestrijding van alkalische ketelsteen. - Google Patents

Bestrijding van alkalische ketelsteen. Download PDF

Info

Publication number: NL8202866A
Authority: NL; Netherlands
Prior art keywords: brine; carbon dioxide; source; formation; water
Prior art date: 1981-07-16

Application number

NL8202866A

Other languages

English (en)

Dutch (nl)

Original Assignee

Mechanical Equipment Co Inc

Priority date (The priority date 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 date listed.)

1981-07-16

Filing date

1982-07-15

Publication date

1983-02-16

1982-07-15 Application filed by Mechanical Equipment Co Inc filed Critical Mechanical Equipment Co Inc

1983-02-16 Publication of NL8202866A publication Critical patent/NL8202866A/nl

Links

CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 178
239000012267 brine Substances 0.000 claims description 148
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 148
239000001569 carbon dioxide Substances 0.000 claims description 89
229910002092 carbon dioxide Inorganic materials 0.000 claims description 89
230000015572 biosynthetic process Effects 0.000 claims description 76
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
239000000654 additive Substances 0.000 claims description 52
239000000126 substance Substances 0.000 claims description 46
230000000996 additive effect Effects 0.000 claims description 42
238000000034 method Methods 0.000 claims description 40
239000013535 sea water Substances 0.000 claims description 39
238000001704 evaporation Methods 0.000 claims description 27
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 26
238000004821 distillation Methods 0.000 claims description 26
230000008020 evaporation Effects 0.000 claims description 25
239000007789 gas Substances 0.000 claims description 23
230000008569 process Effects 0.000 claims description 22
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 20
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical group OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 16
239000002253 acid Substances 0.000 claims description 16
238000000354 decomposition reaction Methods 0.000 claims description 15
238000009835 boiling Methods 0.000 claims description 14
229910000019 calcium carbonate Inorganic materials 0.000 claims description 12
230000000694 effects Effects 0.000 claims description 10
230000002401 inhibitory effect Effects 0.000 claims description 10
238000009833 condensation Methods 0.000 claims description 9
230000005494 condensation Effects 0.000 claims description 9
238000012546 transfer Methods 0.000 claims description 9
-1 polyol esters Chemical class 0.000 claims description 8
230000005764 inhibitory process Effects 0.000 claims description 7
239000003795 chemical substances by application Substances 0.000 claims description 6
239000007788 liquid Substances 0.000 claims description 6
229920001577 copolymer Polymers 0.000 claims description 4
238000010438 heat treatment Methods 0.000 claims description 4
239000000203 mixture Substances 0.000 claims description 4
229920000642 polymer Polymers 0.000 claims description 4
229920002125 Sokalan® Polymers 0.000 claims description 3
229940042400 direct acting antivirals phosphonic acid derivative Drugs 0.000 claims description 3
235000015097 nutrients Nutrition 0.000 claims description 3
150000003007 phosphonic acid derivatives Chemical class 0.000 claims description 3
239000004584 polyacrylic acid Substances 0.000 claims description 3
229920005862 polyol Polymers 0.000 claims description 3
229910019142 PO4 Inorganic materials 0.000 claims description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
PTMHPRAIXMAOOB-UHFFFAOYSA-N phosphoramidic acid Chemical class NP(O)(O)=O PTMHPRAIXMAOOB-UHFFFAOYSA-N 0.000 claims description 2
230000003134 recirculating effect Effects 0.000 claims description 2
238000002156 mixing Methods 0.000 claims 9
235000010216 calcium carbonate Nutrition 0.000 claims 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
JZTPOMIFAFKKSK-UHFFFAOYSA-N O-phosphonohydroxylamine Chemical class NOP(O)(O)=O JZTPOMIFAFKKSK-UHFFFAOYSA-N 0.000 claims 1
229910052799 carbon Inorganic materials 0.000 claims 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims 1
239000010452 phosphate Substances 0.000 claims 1
239000004575 stone Substances 0.000 description 15
238000007906 compression Methods 0.000 description 12
238000005260 corrosion Methods 0.000 description 12
230000007797 corrosion Effects 0.000 description 12
230000006835 compression Effects 0.000 description 10
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 10
239000000347 magnesium hydroxide Substances 0.000 description 10
229910001862 magnesium hydroxide Inorganic materials 0.000 description 10
238000006243 chemical reaction Methods 0.000 description 8
238000002347 injection Methods 0.000 description 8
239000007924 injection Substances 0.000 description 8
238000009434 installation Methods 0.000 description 8
239000011777 magnesium Substances 0.000 description 7
239000000047 product Substances 0.000 description 7
230000007423 decrease Effects 0.000 description 6
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
229910052749 magnesium Inorganic materials 0.000 description 5
230000009467 reduction Effects 0.000 description 5
230000002829 reductive effect Effects 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
239000011575 calcium Substances 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
150000002500 ions Chemical class 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
150000007522 mineralic acids Chemical class 0.000 description 4
239000007921 spray Substances 0.000 description 4
239000002912 waste gas Substances 0.000 description 4
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
159000000007 calcium salts Chemical class 0.000 description 3
238000010411 cooking Methods 0.000 description 3
239000010949 copper Substances 0.000 description 3
229910052802 copper Inorganic materials 0.000 description 3
238000007872 degassing Methods 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
239000000243 solution Substances 0.000 description 3
238000012360 testing method Methods 0.000 description 3
238000004448 titration Methods 0.000 description 3
238000013022 venting Methods 0.000 description 3
229910000881 Cu alloy Inorganic materials 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229920000388 Polyphosphate Polymers 0.000 description 2
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
238000009825 accumulation Methods 0.000 description 2
238000013459 approach Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
150000004649 carbonic acid derivatives Chemical class 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
239000004035 construction material Substances 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000010612 desalination reaction Methods 0.000 description 2
230000008030 elimination Effects 0.000 description 2
238000003379 elimination reaction Methods 0.000 description 2
239000013505 freshwater Substances 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
239000011976 maleic acid Substances 0.000 description 2
239000003595 mist Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
230000000737 periodic effect Effects 0.000 description 2
239000001205 polyphosphate Substances 0.000 description 2
235000011176 polyphosphates Nutrition 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
230000002040 relaxant effect Effects 0.000 description 2
238000011160 research Methods 0.000 description 2
239000010959 steel Substances 0.000 description 2
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
238000009736 wetting Methods 0.000 description 2
JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 0.000 description 1
229910000851 Alloy steel Inorganic materials 0.000 description 1
229910001369 Brass Inorganic materials 0.000 description 1
229910000570 Cupronickel Inorganic materials 0.000 description 1
DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
229920002845 Poly(methacrylic acid) Chemical class 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
CXHWYWOWOTYHEU-UHFFFAOYSA-K [OH-].[OH-].[OH-].[Mg+2].[K+] Chemical compound [OH-].[OH-].[OH-].[Mg+2].[K+] CXHWYWOWOTYHEU-UHFFFAOYSA-K 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000002671 adjuvant Substances 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
239000000956 alloy Substances 0.000 description 1
239000010951 brass Substances 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
229910021386 carbon form Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
239000003518 caustics Substances 0.000 description 1
239000013043 chemical agent Substances 0.000 description 1
239000000567 combustion gas Substances 0.000 description 1
239000013065 commercial product Substances 0.000 description 1
230000003750 conditioning effect Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000006378 damage Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000000779 depleting effect Effects 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
239000003480 eluent Substances 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
230000030279 gene silencing Effects 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000012212 insulator Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
229910001425 magnesium ion Inorganic materials 0.000 description 1
239000000463 material Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
229940012189 methyl orange Drugs 0.000 description 1
239000011707 mineral Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
235000021317 phosphate Nutrition 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
238000005554 pickling Methods 0.000 description 1
238000011020 pilot scale process Methods 0.000 description 1
229920000141 poly(maleic anhydride) Polymers 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
230000002195 synergetic effect Effects 0.000 description 1
238000005979 thermal decomposition reaction Methods 0.000 description 1
230000008719 thickening Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1

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
- C02F5/14—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 phosphorus
- 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
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/042—Prevention of deposits
- 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
- C02F5/02—Softening water by precipitation of the hardness
- C02F5/025—Hot-water softening devices
- 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

Landscapes

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)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)

NL8202866A 1981-07-16 1982-07-15 Bestrijding van alkalische ketelsteen. NL8202866A (nl)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US28393981A	1981-07-16	1981-07-16
US28393981		1981-07-16
US35000482		1982-02-18
US06/350,004 US4444675A (en)	1981-07-16	1982-02-18	Alkaline scale abatement

Publications (1)

Publication Number	Publication Date
NL8202866A true NL8202866A (nl)	1983-02-16

Family

ID=26962315

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8202866A NL8202866A (nl)	1981-07-16	1982-07-15	Bestrijding van alkalische ketelsteen.

Country Status (6)

Country	Link
US (1)	US4444675A (fr)
DE (1)	DE3226745A1 (fr)
FR (1)	FR2509714B1 (fr)
GB (1)	GB2101578B (fr)
IT (1)	IT1196548B (fr)
NL (1)	NL8202866A (fr)

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JPH0732903B2 (ja) *	1985-11-21	1995-04-12	ノ−ウテイカルサ−ビスイズピ−テイ−ワイリミテツド	脱塩器のための給水レベル制御装置
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US4969393A (en) *	1987-09-05	1990-11-13	Robert Krups Stifting & Co. KG	Appliance with water softening facility
ATE81111T1 (de) *	1988-08-01	1992-10-15	Calgon Corp	Verfahren zur kesselsteinbekaempfung mittels allylsulfonat-maleinsaeureanhydridpolymeren.
DE3902366C2 (de) *	1989-01-27	1999-05-12	Jens Pannenborg	Verfahren zum Betreiben von Verbraucherrohrsystemen oder Kreislaufsystemen sowie Vorrichtung zur Durchführung dieses Verfahrens
ATE109434T1 (de) *	1990-04-13	1994-08-15	Denac Nv	Verfahren zur vorbeugung von ablagerungen und korrosion in wasserbehandlungssystemen.
FR2725977B1 (fr) *	1994-10-25	1997-01-03	Hamon Ind Thermique	Procede de traitement antitartre d'eau aeree, notamment dans les refrigerants atmospheriques
EP0947474A3 (fr) *	1998-03-30	2000-01-26	Guldager A/S	Dispositif pour doser le CO2 ajouté à l'eau
US6333005B1 (en)	1999-06-16	2001-12-25	Hercules Incorporated	Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
US6355214B1 (en) *	1999-06-16	2002-03-12	Hercules Incorporated	Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
FR2801300B1 (fr) *	1999-11-23	2001-12-28	Carboxyque Francaise	Traitement au dioxyde de carbone des eaux de refroidissement atmospherique
US20060011546A1 (en) *	2002-07-19	2006-01-19	Livingston Robert C	Portable compact ultra high purity water system via direct processing from city feed water
US7597784B2 (en) *	2002-11-13	2009-10-06	Deka Products Limited Partnership	Pressurized vapor cycle liquid distillation
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US8511105B2 (en)	2002-11-13	2013-08-20	Deka Products Limited Partnership	Water vending apparatus
US8069676B2 (en)	2002-11-13	2011-12-06	Deka Products Limited Partnership	Water vapor distillation apparatus, method and system
US11260316B2 (en) *	2002-11-13	2022-03-01	Deka Products Limited Partnership	Pressurized vapor cycle liquid distillation
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EP2476471B1 (fr)	2002-11-13	2016-07-27	DEKA Products Limited Partnership	Distillation de liquides avec recyclage des vapeurs comprimées
US7488158B2 (en) *	2002-11-13	2009-02-10	Deka Products Limited Partnership	Fluid transfer using devices with rotatable housings
CA2544874A1 (fr) *	2003-09-19	2005-03-31	Arion Water, Inc.	Systeme d'eau pour preparations pharmaceutiques injectables anticorrosion
US11826681B2 (en)	2006-06-30	2023-11-28	Deka Products Limited Partneship	Water vapor distillation apparatus, method and system
US11884555B2 (en)	2007-06-07	2024-01-30	Deka Products Limited Partnership	Water vapor distillation apparatus, method and system
WO2008154435A2 (fr)	2007-06-07	2008-12-18	Deka Products Limited Partnership	Appareil, procédé et système de distillation de vapeur d'eau
MX367394B (es)	2008-08-15	2019-08-20	Deka Products Lp	Aparato expendedor de agua.
US8834726B2 (en)	2008-11-19	2014-09-16	Prochemtech International, Inc.	Treatment of gas well hydrofracture wastewaters
US20110030586A1 (en) *	2009-08-07	2011-02-10	Brent Constantz	Carbonate products for carbon capture and storage
RU2462422C1 (ru) *	2011-03-04	2012-09-27	Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет"	Способ умягчения воды от солей жесткости
US9796612B2 (en)	2012-06-21	2017-10-24	Eureka Resources, Llc	Method and system for treating wastewater
WO2014018896A1 (fr)	2012-07-27	2014-01-30	Deka Products Limited Partnership	Commande de la conductivité dans une sortie d'eau de production destinée à un évaporateur
GB2537392B (en) *	2015-04-15	2017-09-20	Ide Technologies Ltd	Improved evaporator
US9945221B2 (en)	2015-05-07	2018-04-17	Veolia Water Technologies, Inc.	Process for treating produced water evaporator concentrate
KR101781503B1 (ko) *	2015-05-07	2017-09-25	두산중공업 주식회사	고온의 일부 효용기에 부분적으로 산을 투입하는 다중효용 담수화 장치 및 이를 이용한 담수화 방법
US10202286B2 (en)	2015-06-22	2019-02-12	Eureka Resources, Llc	Method and system for treating wastewater
US20180023804A1 (en) *	2016-07-21	2018-01-25	Great Ocean Ltd.	Water treatment and steam generation system for enhanced oil recovery and a method using same
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1982
- 1982-02-18 US US06/350,004 patent/US4444675A/en not_active Expired - Fee Related
- 1982-07-14 GB GB08220401A patent/GB2101578B/en not_active Expired
- 1982-07-15 NL NL8202866A patent/NL8202866A/nl not_active Application Discontinuation
- 1982-07-15 IT IT48821/82A patent/IT1196548B/it active
- 1982-07-16 DE DE19823226745 patent/DE3226745A1/de not_active Ceased
- 1982-07-16 FR FR8212537A patent/FR2509714B1/fr not_active Expired

Also Published As

Publication number	Publication date
GB2101578A (en)	1983-01-19
FR2509714B1 (fr)	1987-04-03
FR2509714A1 (fr)	1983-01-21
DE3226745A1 (de)	1983-02-03
IT8248821A0 (it)	1982-07-15
GB2101578B (en)	1985-04-17
IT1196548B (it)	1988-11-16
US4444675A (en)	1984-04-24

Legal Events

Date	Code	Title
1983-06-01	BT	A notification was added to the application dossier and made available to the public
1985-01-01	A85	Still pending on 85-01-01
1985-05-01	BA	A request for search or an international-type search has been filed
1985-06-03	BB	A search report has been drawn up
1985-07-01	BC	A request for examination has been filed
1989-03-01	BV	The patent application has lapsed

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