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Contaminants in water and their treatment methods

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Water pollutants and their treatment methods.

 

Suggestions for water correction.

The following results are a basic guide, to determine the most suitable water treatment, it is necessary to know: concentrations, flows, contaminants and temperature to know if the treatment can be viable.

In each section you will find a list of recommended treatment methods to reduce each contaminant.

To access more information on each method, click on the link for the corresponding word.

Contact us for recommendations: [email protected]

CONTAMINANTS AND A LISTED OF THE METHOD OF TREATMENT.

 

Aluminum (Al+3)

1) Ion exchange (Cation)

2) Reverse osmosis

 

Antimony

1) Flocculation / Filtration

2) Filtration submicron

 

Arsenic (as +3)

1) Ion exchange (Anion)

2) Reverse osmosis

 

Arsenic (as +5)

1) Reverse osmosis

 

Arsenic (as +6)

1) Activated carbon

 

Complex organic arsenic

1) Reverse osmosis

 

Asbestos

1) Flocculation / Filtration

2) Filtration submicron

3) Reverse osmosis

4) Ultrafiltration

 

Barium (Ba+2)

1) Ion exchange (Cation)

2) Reverse osmosis

 

Benzene (C6H6)

1) Activated carbon (minimum contact time 10 min)

 

Beryllium

1) Flocculation / Filtration

2) Carbon Block

3) Ion exchange (Cation)

 

Cadmium (Cd+2)

1) Ion exchange (Cation)

2) Reverse osmosis

 

Chrome (Cr+3)

1) Ion exchange (Cation)

2) Reverse osmosis

 

Chrome (Cr+6)

1) Ion exchange (Anion)

2) Reverse osmosis

 

Complex organic chrome

1) Activated carbon

 

Chloramines

1) Chlorine Dioxide

2) Activated carbon

 

Coliform bacteria

1) Chlorination

2) Ozone

3) Chlorine Dioxide

4) UV radiation

5) Iodine (as I2 + KI2)

6) Microfiltration

7) Ultrafiltration (with pores smaller than 0.45 microns)

 

Colloids

1) Diatomaceous earth (DE) Filtration

2) Flocculation

3) Multimedia or deep bed

4) Ion exchange (Adsorption)

 

Color

1) Filtration

2) Flocculation

3) Chlorination

4) Activated carbon

5) Reverse osmosis

6) Anionic acrylic resins

 

Copper (Cu+2)

1) Ion exchange (cation) 20-90%

2) Reverse osmosis

 

Cyanide

1) Ion exchange (Anion)

2) Reverse osmosis

 

Fluoride (F-1)

1) Reverse osmosis

2) Adsorption with activated alumina (Test – Run Jar)

 

Foaming agents (MBAS)

(Methylene blue substrate)

1) Chlorination

2) Reverse osmosis

3) Activated carbon

4) Ozone

 

Iron (Fe+2) (ferrous ion)

Iron (Fe+3) (Ferric ion)

1) Aeration / Filtration

2) Manganese dioxide catalysts

3) Chlorination– Precipitation / Filtration

 

Lead (Pb+2)

1) Reverse osmosis

2) Nanofiltration

3) Ion exchange (Cation) 20-90%

 

Manganese (Mn+2)

1) Aeration / Filtration

2) Manganese Dioxide Catalysts

3) Chlorination – Precipitation / Filtration

 

Manganese (Mn+4) Oxidizing

1) Filtration

 

Mercury (Hg+2) Inorganic

2) Reverse osmosis

3) Activated carbon

 

Mercury (Hg+2) Onorganic

1) Activated carbon

 

Mercury (HgCl3-1)

1) Ion exchange (Anion)

2) Reverse osmosis

 

Nitrates (NO3-1)

1) Ion exchange (with / soft water)

2) Reverse osmosis (sensitive to pressure)

 

Odor

1) Activated carbon

2) Aeration

3) Chlorination/Filtration

4) Ozone

 

Organic (VOC’s)

1) Activated carbon

2) Aeration (AWR call)

 

Organic pH >7

1) Acid.

 

Organic pH <7 and >5.8

1) Neutralizing filters

 

Organic pH <5.8

1) Alkaline bed

 

Radon

1) Aeration

2) Ion exchange.

3) Activated carbon

 

Selenium (Se+4)

1) Ion exchange (Anion)

2) Reverse osmosis

3) Activated alumina

4) Flocculation /Filtration

 

Selenium (Se+6)

1) Ion exchange (Anion)

2) Reverse osmosis

 

Silver (Ag+1)

1) Ion exchange.

2) Flocculation / Filtration

 

Sulphate (SO4-2)

1) Ion exchange (Anion) (It must be soft water)

2) Reverse osmosis

 

TDS Total dissolved solids

1) Reverse osmosis

2) Deionization with Ion Exchange

3) Flocculation / Filtration

 

Thallium

1) Ion exchange (Cation)

 

Turbidity

1) Deep bed filters

2) Diatomaceous earths (DE) Filtration

3) Flocculation / Filtration

 

Zinc (Zn+2)

1) Ion exchange (Cation)

2) Reverse osmosis

Source: Watts Water

 

Need help removing specific water contaminants?

Call us on the phone: (33) 38340906  or write us to the mail: [email protected] and one of our engineers will contact you as soon as possible.

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