DE4116128A1 - Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted water - Google Patents
Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted waterInfo
- Publication number
- DE4116128A1 DE4116128A1 DE4116128A DE4116128A DE4116128A1 DE 4116128 A1 DE4116128 A1 DE 4116128A1 DE 4116128 A DE4116128 A DE 4116128A DE 4116128 A DE4116128 A DE 4116128A DE 4116128 A1 DE4116128 A1 DE 4116128A1
- Authority
- DE
- Germany
- Prior art keywords
- nitrate
- exchanger
- water
- mixt
- low
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/04—Mixed-bed processes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Non-Alcoholic Beverages (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung kleiner Mengen entkeimten, nitratarmen, teilentsalzten Trinkwassers für den Hausbedarf.The present invention relates to a method for manufacturing small amounts of sterilized, low-nitrate, partially desalinated drinking water for home use.
Die Einhaltung von Maximalwerten an Inhaltsstoffen des Trinkwasser wird durch physikalische, chemische oder biologische Behandlung des vorhandenen Rohwassers erreicht. Zur Enthärtung, Nitratelemi nierung und Teilentsalzung von Trinkwasser mittels Ionenaustauscher sind in der Literatur viele Verfahren beschrieben. All diese Ver fahren sind aber ungeeignet zur Lösung des Problems der Nachver keimung bei der Aufbereitung bzw. der Bevorratung von Trinkwasser, welches mittels einer Hauswasserversorgung gewonnen wurde.Compliance with maximum levels of ingredients in drinking water is through physical, chemical or biological treatment of the raw water available. For softening, nitratelemi Renewal and partial desalination of drinking water using an ion exchanger many methods are described in the literature. All these ver driving are unsuitable for solving the problem of follow-up germination during the treatment or storage of drinking water, which was obtained from a domestic water supply.
Aufgabe der Erfindung ist es, die bekannten technischen Verfahren durch ein neues unkompliziertes Verfahren unter Einsatz von Ionen austauschern zu ersetzen. Es soll mit einfachen Mitteln und ohne wesentlichen Investitionsaufwand gute Effekte bei der Gewinnung von hygienisch einwandfreiem, nitratarmen, teilentsalztem Trink wasser aufweisen und das generell bestehende Regenerierproblem lösen.The object of the invention is the known technical processes through a new uncomplicated process using ions exchangers. It should be done with simple means and without significant investment costs good effects in the extraction of hygienically perfect, low-nitrate, partially desalinated drinking have water and the generally existing regeneration problem to solve.
Die Aufgabe wurde erfindungsgemäß dadurch gelöst, daß das vorrätige Trinkwasser vor der eigentlichen Verwendung kurzzeitig mit einem Ionenaustauschergemisch, bestehend aus einem nitratselektiven Anionenaustauscher, dessen funktionelle Gruppen mit 70 bis 100% HCO3⁻-Ionen beladen sind, einem schwachsauren Kationenaustauscher in der H⁺-Form als Hauptkomponenten und gegebenenfalls mit einem starksauren Kationenaustauscher in der H⁺- oder Na⁺-Form sowie einem nitratselektiven Anionenaustauscher in der Cl⁻- bzw. SO4 -- -Form in Kontakt gebracht wird. Der Anteil des Anionenaustauschers in der HCO3⁻-Form sollte in der Mischung mindestens 30 Gewichtsprozent betragen. Die gegebenenfalls in der Mischung enthaltenen stark sauren Kationenaustauscher sowie der nitratselektive Anionenaus tauscher in der Cl⁻- oder SO4 ---Form sind mit einem Anteil von jeweils 10 bis 20 Gewichtsprozent in dem Ionenaustauschergemisch enthalten.The object was achieved according to the invention in that the drinking water in stock briefly before use with an ion exchange mixture consisting of a nitrate-selective anion exchanger whose functional groups are loaded with 70 to 100% HCO 3 ⁻ ions, a weakly acidic cation exchanger in the Form as main components and, if appropriate, with a strongly acidic cation exchanger in the H⁺ or Na⁺ form and a nitrate-selective anion exchanger in the Cl⁻ or SO 4 - form. The proportion of the anion exchanger in the HCO 3 ⁻ form should be at least 30 percent by weight in the mixture. The strongly acidic cation exchanger optionally contained in the mixture as well as the nitrate-selective anion exchanger in the Cl⁻ or SO 4 - form are contained in the ion exchanger mixture in each case in a proportion of 10 to 20 percent by weight.
Das in Anwendung kommende Ionenaustauschergemisch kann dem Verbraucher in einer Filtervorrichtung verschiedener Bauart dem Verbraucher vorgeschaltet werden. So kann z. B. bei der Kaffee- oder Teezuberei tung in den dazu verwendeten handelsüblichen Haushaltsgeräten das Ionenaustauschergemisch in geeigneter Weise (z. B. in Behälter, Filter, Beutel) eingebracht werden. Das vorhandene Wasser durchströmt das Ionenaustauschergemisch und wird nach dem Austausch der Entkeimung direkt dem Verwendungszweck zugeführt. Dabei kann der Zwangsdurch lauf des Wassers gesteuert werden. Bei Temperaturerhöhung läßt sich der Austauscheffekt verbessern.The ion exchange mixture used can be of benefit to the consumer in a filter device of various types to the consumer upstream. So z. B. in coffee or tea making tion in the commercial household appliances used for this the ion exchange mixture in a suitable manner (e.g. in containers, Filter, bag). The existing water flows through the ion exchange mixture and is after the exchange of disinfection directly used for the purpose. The forced passage can course of the water can be controlled. When the temperature rises the exchange effect will improve.
Vorteile des erfindungsgemäßen Verfahrens sind die geringe Aufwand menge am Ionenaustauschgemisch, eine kurze Berührungsdauer mit dem Wasser, ein hoher Wirkungsgrad bei der Entfernung von Keimen, von Nitrat und der Salzminderung. Die Umweltbelastung wird sehr gering gehalten. Im Gegensatz zu bekannten Verfahren wird ausschließ lich die für die Speisezubereitung benötigte Wassermenge erzeugt.Advantages of the method according to the invention are the low outlay amount of the ion exchange mixture, a short contact time with the water, a high efficiency in the removal of germs, of nitrate and salt reduction. The environmental impact becomes very kept low. In contrast to known methods, it is excluded Lich the amount of water required for food preparation.
Die Erfindung soll an nachstehenden Ausführungsbeispielen erläutert werden.The invention will be explained using the following exemplary embodiments will.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4116128A DE4116128A1 (en) | 1991-05-17 | 1991-05-17 | Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4116128A DE4116128A1 (en) | 1991-05-17 | 1991-05-17 | Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted water |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4116128A1 true DE4116128A1 (en) | 1992-11-19 |
Family
ID=6431851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4116128A Withdrawn DE4116128A1 (en) | 1991-05-17 | 1991-05-17 | Purificn. of water supply for domestic consumption - by treatment with mixt. of nitrate-selective anion exchanger and weak acid cation exchanger to give germ-free, low nitrate, partially desalted water |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4116128A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1683576A1 (en) * | 2005-01-20 | 2006-07-26 | Luigi Ture | Limescale prevention device |
WO2006095282A1 (en) * | 2005-03-07 | 2006-09-14 | Koninklijke Philips Electronics N.V. | Ion exchange cartridge |
US7740766B2 (en) | 2001-08-23 | 2010-06-22 | The Procter & Gamble Company | Methods for treating water |
US7740765B2 (en) | 2001-08-23 | 2010-06-22 | The Procter & Gamble Company | Methods for treating water |
US7749394B2 (en) | 2001-08-23 | 2010-07-06 | The Procter & Gamble Company | Methods of treating water |
US7850859B2 (en) | 2001-08-23 | 2010-12-14 | The Procter & Gamble Company | Water treating methods |
US7922008B2 (en) | 2001-08-23 | 2011-04-12 | The Procter & Gamble Company | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
-
1991
- 1991-05-17 DE DE4116128A patent/DE4116128A1/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7740766B2 (en) | 2001-08-23 | 2010-06-22 | The Procter & Gamble Company | Methods for treating water |
US7740765B2 (en) | 2001-08-23 | 2010-06-22 | The Procter & Gamble Company | Methods for treating water |
US7749394B2 (en) | 2001-08-23 | 2010-07-06 | The Procter & Gamble Company | Methods of treating water |
US7850859B2 (en) | 2001-08-23 | 2010-12-14 | The Procter & Gamble Company | Water treating methods |
US7922008B2 (en) | 2001-08-23 | 2011-04-12 | The Procter & Gamble Company | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
US8119012B2 (en) | 2001-08-23 | 2012-02-21 | The Procter & Gamble Company | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
EP1683576A1 (en) * | 2005-01-20 | 2006-07-26 | Luigi Ture | Limescale prevention device |
WO2006095282A1 (en) * | 2005-03-07 | 2006-09-14 | Koninklijke Philips Electronics N.V. | Ion exchange cartridge |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: CHEMIE GMBH BITTERFELD-WOLFEN, 06749 BITTERFELD, D |
|
8130 | Withdrawal |