fdt srl

fdt srl

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Water of common use, both civil and industrial, are present in liquid form the encrusting calcium and magnesium salts normally defined "WATER HARDNESS."
The water softeners contain the ion exchange resins to transform the encrusting salts in the neutral salts do not encrusting. The water thus obtained is currently referred to as: "SOFTENED WATER".

The softened water prevents the formation of calcareous incrustations in all equipment and pipes, in which at low temperatures is also heated as:

- Cooling towers;
- Air conditioning;
- Dishwasher;
- Washing machines;

and more sharply in heating boilers or steam. The absence of scale deposits reduces the cost of operation and maintenance. All implants are made of duplex FDT SKlD, wired electrically and hydraulically connected, pre-tested at our. establishment, practically ready for operation

Chlorine dioxide

The chlorine dioxide is an interesting alternative to chlorine due to the different composition. Chlorine dioxide produces no organic chlorine compounds in contact with the most frequently contaminants present in the water.

The compounds resulting from the reaction between chlorine dioxide and organic compounds in the water are therefore more negligible in terms of quantity, perceptive and toxic. This makes chlorine dioxide agent ideal disinfectant for drinking water treatment.



Chlorine dioxide as a chemical agent has several advantages:

• Insensitivity to the value of PH of treated water;
• No reaction with nitrogen compounds to form chloramines;
• 2.5 times more oxidizing power than chlorine;
• bactericidal action at low doses;
• Lack of training alometanici compounds;
• purely oxidant disinfectant action and not chlorinating.

The large capacity of the disinfectant chlorine dioxide is not even linked to factors depending on the contact time or concentration values, (practical aspects that have always limited the use of chlorine derivatives as disinfectants products), because its oxidizing action, also in low dosages, begins immediately upon contact and in a non-selective both on the microbial load present on both the organic material dissolved or suspended in water, resulting in all the available disinfection without undergoing influences of pH values. The chlorine dioxide, in fact, acts with the same force oxidant in acidic or basic, unlike, for example, of sodium hypochlorite, the activity of which is very much influenced by the environment in which it operates, reducing up to 50% around in basically basic waters.

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