Neutralization and Pipe Mixer
Neutralization is the process of bringing the existing waste water pH to a neutral value (pH 7.0).
A neutral pH is a prerequisite for the performance of biological waste water treatment. The process of neutralization is commonly used in industrial waste water which, depending on the type of applied technology, can have a pH of 1-14.
Adjusting pH values is done by adding chemicals in waste water. The type and amount of added chemicals depend on the pH value of waste water. The most commonly used base is NaOH or acid HCl.
The process of neutralization is carried out before secondary wastewater treatment processes.
System for neutralization consists:
- chemical tenk,
- dose pumps,
- pH probe,
- control unit,
- mixer.
The design is carried out according to the requirements of specific wastewater treatment.
Projektiranje se vrši prema zahtjevima određenim procesom pročišćavanja otpadnih voda.
PIPE MIXER
Pipe mixer belongs to the group of static mixers and have high intensity of mixing fluids with a length of only a few tube diameters. Fully three-dimensional mixing is possible thanks to the corrugated panels of which mixer is made.
Properties of pipe mixer:
• Made of polypropylene
• Resistant to aggressive chemicals
• Extremely effective in the short mixing length
• Suitable for mixing liquids of low viscosity,
• minimum pressure drop in the mixing place
It is using for:
- Mixing of liquids, chemicals and additives in water treatment and in waste water treatment
- Mixing liquids and air in oxidation process,
• Process operations in chemical plants,
• Process operations in cases when it is necessary to achieve high efficiency of mixing.
- Mixing liquids and air in oxidation process,
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