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Filtration Filter element Cartridge filter「CENTRAL FILTER MFG. CO., LTD.」 System Commodities

Acidulous Sterilizable Water System / E mizu Killer

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Acidulous Sterilizable Water System by dissolved carbon dioxide
Application: Sterilization of cut vegetables, marine products and cookware.
Use points: Food factory, Supermarket, Hospital, Feeding center


What is E mizu Killer?

The pH value of the sodium hypochlorite solution is adjusted from 5 to 6 (acidulous) by using carbon dioxide (CO2) and so, strong sterilizable water that contains a large amount of HOCl is manufactured.


Feature of E mizu Killer

  1. Carbon dioxide completely dissolves to water because of using the membrane.
  2. Neither the chlorine gas nor the hydrogen gas are generated.
  3. The running cost is cheaper than electrolysis and using the medicine.
  4. The device of a safe, cheap and easy handling can be chosen according to the usage.

Basic Flow

Sterilization Effect Test Results

Bacteria Bacterial counts
before treatment(pcs./ml)
30 seconds
Escherichia coli 4.3x105 <10
Salmonella 7.2x105 <10
Staphylococcus aureus 7.7x105 <10

pH:5.48 Residual chlorine concentration:32ppm Temperature:20℃

Bacteria:Bacillus subtilis Before 1 minute 3 minutes 5 minutes
Cl 80ppm,pH5.42 7.8x105 3.1x105 1.3x105 <10
Cl 188ppm,pH9.20 7.8x105 7.4x105 6.6x105 4.3x105

(Japan Food Research Laboratories)

Comparison of Manufacturing Method

  Dissolved CO2
E mizu Killer
Acidulous Electrolyzed Water
pH 5.0-6.0 5.0-6.0 8.0-
Cl concentration(ppm) 10-100 10-30(80) 80-
Corrosivity No Yes Yes
Treatment of Chlorine gas
and Hydrogen gas
Unnecessary Necessary Necessary
Running cost
Initial cost


  CCK500 CCK1000 CCK2500 CCK5000 CCK10000
Cap. ℓ/h 500 1,000 2,500 5,000 10,000
300x500x400 400x800x500 500x1,500x600 650x1,600x700 600x1,700x700
pH 5.0-6.0
Cl (ppm) 20-100

*The above specifications are subject to change without notice.