RU2006105194A - Водный раствор натриевой соли hedta - Google Patents

Водный раствор натриевой соли hedta Download PDF

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Publication number
RU2006105194A
RU2006105194A RU2006105194/04A RU2006105194A RU2006105194A RU 2006105194 A RU2006105194 A RU 2006105194A RU 2006105194/04 A RU2006105194/04 A RU 2006105194/04A RU 2006105194 A RU2006105194 A RU 2006105194A RU 2006105194 A RU2006105194 A RU 2006105194A
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RU
Russia
Prior art keywords
aqueous solution
hedta
formula
sodium salt
xna
Prior art date
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RU2006105194/04A
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English (en)
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RU2357951C2 (ru
Inventor
Мартин ХЕУС (NL)
Мартин Хеус
Ханс ЛАММЕРС (NL)
Ханс Ламмерс
Джим ЛИПЕЙДЖ (US)
Джим Липейдж
Original Assignee
Акцо Нобель Н.В. (NL)
Акцо Нобель Н.В.
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.)
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Application filed by Акцо Нобель Н.В. (NL), Акцо Нобель Н.В. filed Critical Акцо Нобель Н.В. (NL)
Publication of RU2006105194A publication Critical patent/RU2006105194A/ru
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/26—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having more than one amino group bound to the carbon skeleton, e.g. lysine
    • 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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • 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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
    • 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
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Detergent Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (6)

1. Водный раствор, содержающий натриевую соль xNa+yH+ хелатообразующего соединения формулы (I)
Figure 00000001
где х = 2,1-2,7; y = 0,9-0,3 и х+y = 3.
2. Водный раствор по п.1, содержающий по меньшей мере 45 мас.% натриевой соли xNa+yH+ хелатообразующего соединения формулы (I), где х = 2,1-2,7, y = 0,9-0,3 и х+y = 3.
3. Контейнер, содержащий по меньшей мере 0,5 кг водного раствора по п.1 или 2.
4. Применение водного раствора по п.1 или 2 для получения хелатного комплекса железа.
5. Способ получения водного раствора, содержащего по меньшей мере 45 мас.% натриевой соли xNa+yH+ хелатообразующего соединения формулы (I), где х = 2,1-2,7, y = 0,9-0,3 и х+y = 3, из тринатриевой соли N-(2-гидроксиэтил)этилендиамин-N,N',N'-триуксусной кислоты (Na3-HEDTA), включающий стадию электродиализа при температуре 20°С водного раствора, содержащего менее 42 мас.% Na3-HEDTA, или при другой температуре максимально при концентрации, когда вязкость является такой же или ниже, чем вязкость 42 мас.%-ного раствора Na3-HEDTA при температуре 20°С, с использованием биполярной и катионной мембраны, таким образом превращая раствор Na3-HEDTA в раствор натриевой соли xNa+yH+ соединения формулы (I), где х = 2,1-2,7, y = 0,9-0,3 и х+y = 3.
6. Способ по п.5, где используют щелочной электролит.
RU2006105194/04A 2003-07-21 2004-07-13 Водный раствор натриевой соли hedta RU2357951C2 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48845103P 2003-07-21 2003-07-21
US60/488,451 2003-07-21
EP03077382 2003-07-30
EP03077382.4 2003-07-30

Publications (2)

Publication Number Publication Date
RU2006105194A true RU2006105194A (ru) 2006-06-27
RU2357951C2 RU2357951C2 (ru) 2009-06-10

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ID=34137577

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RU2006105194/04A RU2357951C2 (ru) 2003-07-21 2004-07-13 Водный раствор натриевой соли hedta

Country Status (11)

Country Link
EP (1) EP1648857B1 (ru)
KR (1) KR101093478B1 (ru)
AT (1) ATE342252T1 (ru)
AU (1) AU2004263258B2 (ru)
BR (1) BRPI0412819A (ru)
CA (1) CA2533323C (ru)
DE (1) DE602004002781T2 (ru)
ES (1) ES2273269T3 (ru)
MX (1) MXPA06000781A (ru)
RU (1) RU2357951C2 (ru)
WO (1) WO2005014527A1 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2086923B1 (en) 2006-11-30 2012-08-15 Akzo Nobel N.V. Process to prepare amino acid-n, n-diacetic acid compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150994C3 (de) * 1971-10-13 1980-06-04 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung reiner Alkalisalze von Aminopolycarbonsauren
CH572461A5 (ru) 1970-12-18 1976-02-13 Basf Ag
US5110965A (en) * 1990-08-16 1992-05-05 W.R. Grace & Co.-Conn. Process for the preparation of salts of iron amino and hydroxy carboxylic acid complexes

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Publication number Publication date
ES2273269T3 (es) 2007-05-01
KR101093478B1 (ko) 2011-12-13
MXPA06000781A (es) 2006-04-18
ATE342252T1 (de) 2006-11-15
KR20060037384A (ko) 2006-05-03
CA2533323A1 (en) 2005-02-17
DE602004002781T2 (de) 2007-08-16
RU2357951C2 (ru) 2009-06-10
CA2533323C (en) 2011-09-13
AU2004263258A1 (en) 2005-02-17
WO2005014527A1 (en) 2005-02-17
BRPI0412819A (pt) 2006-09-26
EP1648857B1 (en) 2006-10-11
EP1648857A1 (en) 2006-04-26
AU2004263258B2 (en) 2010-06-17
DE602004002781D1 (de) 2006-11-23

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Effective date: 20170714