CH174090A - Process for softening water. - Google Patents

Process for softening water.

Info

Publication number
CH174090A
CH174090A CH174090DA CH174090A CH 174090 A CH174090 A CH 174090A CH 174090D A CH174090D A CH 174090DA CH 174090 A CH174090 A CH 174090A
Authority
CH
Switzerland
Prior art keywords
water
softening water
lactic acid
acid salts
softening
Prior art date
Application number
Other languages
German (de)
Inventor
Franz Dr Siegwart
Original Assignee
Franz Dr Siegwart
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.)
Filing date
Publication date
Application filed by Franz Dr Siegwart filed Critical Franz Dr Siegwart
Publication of CH174090A publication Critical patent/CH174090A/en

Links

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
    • C02F5/105—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 combined with inorganic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Treatment Of Water By Ion Exchange (AREA)

Description

  

  Verfahren zum Enthärten von Wasser.    Es wurde gefunden, dass Milchsäure un  ter Anwendung von phosphorsauren Salzen  das Wasser enthärtet. Durch den Zusatz von  Milchsäure zum Wasser wird ein Teil der  Mineralstoffe desselben in wasserlösliche,  milchsaure Salze übergeführt. Um die Sul  fate des Wassers (Kalk-Magnesiumsulfat)  unschädlich zu machen, werden in .diesem  Phosphate, wie zum Beispiel Natriumphos  phat, aufgelöst. Die Sulfate, aber auch die  milchsauren Salze, setzen sich vermutlich  nach     komplizierten    Vorgängen mit den Phos  phaten um. Derart behandeltes Wasser eignet  sich zum Beispiel als Kesselspeisewasser.    Milchsäure wird schon lange bei der  Enthärtung von Wasser verwendet. Neu ist  der Zusatz von phosphorsauren Salzen neben  Milchsäure.  



  <I>Beispiel:</I>  Es wird 1 Liter Quellwasser mit 0,7 gr  Milchsäure gemischt und 1 gr     Dinatrium-          phosphat    im Wasser aufgelöst.



  Process for softening water. It has been found that lactic acid softens the water with the use of phosphoric acid salts. By adding lactic acid to the water, some of the minerals in the water are converted into water-soluble, lactic acid salts. In order to render the sulphates of the water (lime magnesium sulphate) harmless, phosphates, such as sodium phosphate, are dissolved in this. The sulphates, but also the lactic acid salts, probably react with the phosphates after complicated processes. Water treated in this way is suitable, for example, as boiler feed water. Lactic acid has long been used to soften water. The addition of phosphoric acid salts in addition to lactic acid is new.



  <I> Example: </I> 1 liter of spring water is mixed with 0.7 gram of lactic acid and 1 gram of disodium phosphate is dissolved in the water.

Claims (1)

PATENTANSPRUCH: Verfahren zum Enthärten von Wasser, dadurch gekennzeichnet, dass dieses mit Milchsäure und phosphorsauren Salzen ver setzt wird. PATENT CLAIM: Process for softening water, characterized in that it is mixed with lactic acid and phosphoric acid salts.
CH174090D 1934-05-15 1934-05-15 Process for softening water. CH174090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH174090T 1934-05-15

Publications (1)

Publication Number Publication Date
CH174090A true CH174090A (en) 1934-12-31

Family

ID=4425196

Family Applications (1)

Application Number Title Priority Date Filing Date
CH174090D CH174090A (en) 1934-05-15 1934-05-15 Process for softening water.

Country Status (1)

Country Link
CH (1) CH174090A (en)

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